/* =============================================================
   Órbita — Spectra
   Modern editorial × awwards-detail × HIG-aligned
   ============================================================= */

:root {
  /* ---- Palette ---- */
  --ink:           #0B0B0F;
  --ink-2:         #25252B;
  --ink-3:         #4A4A4F;
  --canvas:        #F5F1E8;
  --canvas-2:      #ECE6D6;
  --paper:         #FAF7F0;
  --shell:         #FFFFFF;

  --indigo:        #2C2A6B;
  --indigo-2:      #1F1D55;
  --indigo-soft:   #4F4DA0;

  --persimmon:     #FF5C3A;
  --persimmon-2:   #E84B2A;
  --persimmon-soft:#FF8466;

  --mute:          #6B6864;
  --mute-2:        #8B8884;
  --hairline:      rgba(11, 11, 15, 0.10);
  --hairline-2:    rgba(11, 11, 15, 0.06);
  --hairline-light:rgba(245, 241, 232, 0.18);

  /* ---- Type ---- */
  --font-display: "General Sans", "Inter", system-ui, -apple-system, sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-italic:  "Fraunces", "GT Sectra", Georgia, serif;
  --font-mono:    ui-monospace, "SF Mono", "Roboto Mono", monospace;

  /* ---- Motion ---- */
  --ease:        cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:     cubic-bezier(0.7, 0, 0.84, 0);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-slow:    900ms;
  --dur:         600ms;
  --dur-fast:    280ms;
  --dur-instant: 140ms;

  /* ---- Layout ---- */
  --bezel:        1.5rem;
  --bezel-tight:  1rem;
  --radius:       14px;         /* cards, surfaces */
  --radius-sm:    10px;         /* buttons, inputs */
  --radius-soft:  10px;         /* legacy alias */
  --radius-lg:    22px;         /* hero frame, viewer */
  --radius-pill:  999px;
}

/* =============================================================
   BASE
   ============================================================= */
* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition-duration: 1ms !important; }
}

html, body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--ink);
  background: var(--canvas);
  font-feature-settings: "ss01", "cv11";
}

/* Warm ambient gradient — barely there, gives life to the canvas */
body {
  background:
    radial-gradient(ellipse 70% 50% at 80% 0%,  rgba(255,92,58,0.045) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(44,42,107,0.05)  0%, transparent 60%),
    var(--canvas);
  background-attachment: fixed;
}

body { line-height: 1.55; }

::selection { background: var(--ink); color: var(--canvas); }
::-moz-selection { background: var(--ink); color: var(--canvas); }

img, svg { display: block; max-width: 100%; }
img { -webkit-user-drag: none; user-select: none; }

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

button, input, textarea, select { font: inherit; color: inherit; }

/* =============================================================
   TYPE
   ============================================================= */
.font-display { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.025em; }
.font-italic  { font-family: var(--font-italic); font-style: italic; font-weight: 400; }
.font-mono    { font-family: var(--font-mono); }

.display-1 {
  font-family: var(--font-display);
  font-size: clamp(56px, 9vw, 152px);
  line-height: 0.92;
  font-weight: 500;
  letter-spacing: -0.035em;
}
.display-2 {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 88px);
  line-height: 0.98;
  font-weight: 500;
  letter-spacing: -0.028em;
}
.display-3 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 48px);
  line-height: 1.05;
  font-weight: 500;
  letter-spacing: -0.022em;
}
.display-4 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.3vw, 30px);
  line-height: 1.15;
  font-weight: 500;
  letter-spacing: -0.014em;
}
.lead {
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.45;
  color: var(--ink-2);
  font-weight: 400;
}
.body { font-size: 16px; line-height: 1.6; color: var(--ink-2); }
.body-sm { font-size: 14px; line-height: 1.55; color: var(--ink-2); }

.italic-serif { font-family: var(--font-italic); font-style: italic; font-weight: 400; }

/* =============================================================
   SURFACES
   ============================================================= */
.bg-ink      { background: var(--ink); color: var(--canvas); }
.bg-indigo   { background: var(--indigo); color: var(--canvas); }
.bg-persimmon{ background: var(--persimmon); color: var(--ink); }
.bg-canvas   { background: var(--canvas); }
.bg-canvas-2 { background: var(--canvas-2); }
.bg-paper    { background: var(--paper); }
.bg-shell    { background: var(--shell); }

.text-ink      { color: var(--ink); }
.text-mute     { color: var(--mute); }
.text-canvas   { color: var(--canvas); }
.text-indigo   { color: var(--indigo); }
.text-persimmon{ color: var(--persimmon); }

/* =============================================================
   GRAIN — subtle awwards texture
   ============================================================= */
.grain { position: relative; }
.grain::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 240 240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/></svg>");
  background-size: 240px 240px;
  opacity: 0.045;
  pointer-events: none;
  mix-blend-mode: multiply;
  z-index: 1;
}
.grain > * { position: relative; z-index: 2; }
.grain.light::before { mix-blend-mode: overlay; opacity: 0.06; }

/* =============================================================
   EYEBROW & STEP LABELS — slightly bigger, less tracked for legibility
   ============================================================= */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  font-weight: 500;
}
.eyebrow::before {
  content: ""; display: inline-block; width: 22px; height: 1px;
  background: var(--persimmon);
}
.eyebrow.no-rule::before { display: none; }
.eyebrow-on-dark { color: rgba(245,241,232,0.85); }
.eyebrow-on-warm { color: rgba(11,11,15,0.75); }

.step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
  font-weight: 500;
}

.index-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
}

/* =============================================================
   BUTTONS
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.95rem 1.4rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  line-height: 1;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--ink);
  color: var(--canvas);
  box-shadow: 0 8px 24px -8px rgba(11,11,15,0.35);
}
.btn-primary:hover {
  background: var(--persimmon);
  color: var(--ink);
  box-shadow: 0 12px 32px -8px rgba(255,92,58,0.55);
}

.btn-indigo {
  background: var(--indigo);
  color: var(--canvas);
}
.btn-indigo:hover { background: var(--indigo-2); }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn-secondary:hover {
  background: var(--ink);
  color: var(--canvas);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  padding: 0.5rem 0;
  position: relative;
}
.btn-ghost::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: currentColor;
  transform-origin: left; transform: scaleX(0);
  transition: transform var(--dur) var(--ease);
}
.btn-ghost:hover { color: var(--persimmon); }
.btn-ghost:hover::after { transform: scaleX(1); }

.btn-on-dark.btn-secondary { color: var(--canvas); border-color: var(--canvas); }
.btn-on-dark.btn-secondary:hover { background: var(--canvas); color: var(--ink); }
.btn-on-dark.btn-ghost { color: var(--canvas); }
.btn-on-dark.btn-ghost:hover { color: var(--persimmon); }
.btn-on-dark.btn-primary {
  background: var(--canvas); color: var(--ink);
}
.btn-on-dark.btn-primary:hover { background: var(--persimmon); color: var(--ink); }

.btn-on-warm.btn-primary { background: var(--ink); color: var(--canvas); }
.btn-on-warm.btn-primary:hover { background: var(--canvas); color: var(--ink); }

/* Pill (used inside viewer chrome) */
.pill {
  padding: 0.5rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.04);
  color: var(--canvas);
  border: 1px solid rgba(255,255,255,0.18);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
}
.pill:hover { color: var(--persimmon); border-color: rgba(255,92,58,0.5); }
.pill.is-active { background: var(--canvas); color: var(--ink); border-color: var(--canvas); }

/* =============================================================
   CARDS
   ============================================================= */
.card {
  background: transparent;
  position: relative;
  padding-bottom: 1.5rem;
  transition: transform var(--dur) var(--ease);
}
.card::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--hairline);
  transform-origin: left;
  transition: background var(--dur) var(--ease);
}
.card:hover::after { background: var(--persimmon); }

/* Card image hover reveal */
.card-image {
  position: relative;
  overflow: hidden;
  background: var(--canvas-2);
  border-radius: var(--radius);
}
.card-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--dur-slow) var(--ease);
  will-change: transform;
}
.card:hover .card-image img,
a:hover .card-image img,
.card-image:hover img { transform: scale(1.045); }

/* =============================================================
   FRAME (gallery image container)
   ============================================================= */
.frame {
  position: relative;
  background: var(--canvas-2);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}
.frame-lg { border-radius: var(--radius-lg); }
.frame-label {
  position: absolute;
  bottom: -2.2rem; left: 0;
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
}

/* =============================================================
   HAIRLINE RULES
   ============================================================= */
.rule { height: 1px; background: var(--hairline); border: 0; }
.rule-strong { height: 1px; background: var(--ink); border: 0; }
.rule-on-dark { height: 1px; background: var(--hairline-light); border: 0; }

/* =============================================================
   REVEAL ON SCROLL
   ============================================================= */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-stagger="1"] { transition-delay: 0.06s; }
.reveal[data-stagger="2"] { transition-delay: 0.12s; }
.reveal[data-stagger="3"] { transition-delay: 0.18s; }
.reveal[data-stagger="4"] { transition-delay: 0.24s; }
.reveal[data-stagger="5"] { transition-delay: 0.30s; }
.reveal[data-stagger="6"] { transition-delay: 0.36s; }

/* =============================================================
   HOTSPOT — hairline + persimmon dot
   ============================================================= */
.hotspot {
  position: absolute;
  width: 16px; height: 16px; border-radius: 50%;
  border: 1.5px solid var(--ink);
  background: transparent;
  cursor: pointer;
  display: grid; place-items: center;
  transition: all var(--dur) var(--ease);
}
.hotspot::after {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--persimmon);
  transition: all var(--dur) var(--ease);
}
.hotspot:hover {
  border-color: var(--persimmon);
  transform: scale(1.5);
}

.hotspot.on-dark { border-color: var(--canvas); }
.hotspot.on-dark::after { background: var(--persimmon); }
.hotspot.on-dark:hover { border-color: var(--persimmon); }

/* Pulse halo */
.hotspot::before {
  content: ""; position: absolute; inset: -8px;
  border-radius: 50%; border: 1px solid currentColor;
  opacity: 0; transform: scale(0.8);
  transition: all var(--dur) var(--ease);
  color: var(--persimmon);
}
.hotspot:hover::before { opacity: 0.55; transform: scale(1); }

/* =============================================================
   COMPASS
   ============================================================= */
.compass {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid rgba(245,241,232,0.55);
  background: transparent;
  display: grid; place-items: center;
  color: rgba(245,241,232,0.85);
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.05em;
  backdrop-filter: blur(4px);
  position: relative;
}
.compass::before, .compass::after {
  content: ""; position: absolute; background: rgba(245,241,232,0.55);
}
.compass::before { width: 1px; height: 5px; top: -3px; left: 50%; transform: translateX(-50%); }
.compass::after  { width: 1px; height: 5px; bottom: -3px; left: 50%; transform: translateX(-50%); }

/* =============================================================
   PANNELLUM CUSTOM
   ============================================================= */
.pnlm-controls-container { display: none !important; }
.pnlm-tooltip span {
  font-family: var(--font-body) !important;
  background: rgba(11,11,15,0.94) !important;
  color: var(--canvas) !important;
  border: 1px solid rgba(245,241,232,0.18) !important;
  border-radius: 0 !important;
  padding: 0.6rem 0.9rem !important;
  font-size: 12px !important;
  letter-spacing: 0.02em;
  box-shadow: 0 24px 60px -20px rgba(0,0,0,.55);
}
.custom-hotspot {
  width: 20px; height: 20px; border-radius: 50%;
  border: 1.5px solid var(--canvas);
  background: transparent;
  cursor: pointer;
  display: grid; place-items: center;
  transition: all var(--dur) var(--ease);
}
.custom-hotspot::after {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--persimmon);
  transition: all var(--dur) var(--ease);
}
.custom-hotspot:hover { border-color: var(--persimmon); transform: scale(1.4); }
.custom-hotspot:hover::after { background: var(--canvas); }

.custom-hotspot.scene { border-color: var(--persimmon); }
.custom-hotspot.scene::after { background: var(--persimmon); }
.custom-hotspot.info { border-color: var(--canvas); }

/* =============================================================
   FORMS
   ============================================================= */
input[type="text"], input[type="number"], input[type="email"],
textarea, select {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink);
  transition: border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 4px rgba(255,92,58,0.10);
}

/* =============================================================
   FOCUS RING (HIG)
   ============================================================= */
:focus-visible {
  outline: 2px solid var(--persimmon);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* =============================================================
   GRADIENT BLOBS — soft, animated, behind content
   ============================================================= */
.gradient-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}
.gradient-blob.blob-persimmon {
  background: radial-gradient(circle, #FF5C3A 0%, transparent 65%);
}
.gradient-blob.blob-indigo {
  background: radial-gradient(circle, #2C2A6B 0%, transparent 65%);
}
.gradient-blob.blob-warm {
  background: radial-gradient(circle, #FFB597 0%, transparent 65%);
}
.gradient-blob.blob-cream {
  background: radial-gradient(circle, #FAF7F0 0%, transparent 70%);
  opacity: 0.6;
}

@keyframes blob-drift-a {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(35px, -25px) scale(1.06); }
  66%      { transform: translate(-20px, 30px) scale(0.95); }
}
@keyframes blob-drift-b {
  0%, 100% { transform: translate(0, 0) scale(1.04); }
  50%      { transform: translate(-40px, 20px) scale(0.96); }
}
.blob-anim   { animation: blob-drift-a 22s ease-in-out infinite; }
.blob-anim-b { animation: blob-drift-b 28s ease-in-out infinite; }

@media (prefers-reduced-motion: reduce) {
  .gradient-blob { animation: none !important; }
}

/* =============================================================
   GRADIENT BG for color bands (with noise overlay handled by .grain)
   ============================================================= */
.bg-indigo-gradient {
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, rgba(79,77,160,0.55) 0%, transparent 60%),
    radial-gradient(ellipse 70% 50% at 100% 100%, rgba(11,11,15,0.45) 0%, transparent 55%),
    var(--indigo);
}
.bg-persimmon-gradient {
  background:
    radial-gradient(ellipse 80% 60% at 0% 0%, #FF8466 0%, transparent 60%),
    radial-gradient(ellipse 70% 50% at 100% 100%, #E84B2A 0%, transparent 60%),
    var(--persimmon);
}

/* =============================================================
   CURSOR FOLLOWER — Awwards-style soft ring
   ============================================================= */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  will-change: transform, width, height;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--persimmon);
  transition: opacity var(--dur) var(--ease), width var(--dur-fast) var(--ease), height var(--dur-fast) var(--ease);
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1.5px solid var(--ink);
  transition: opacity var(--dur) var(--ease),
              width var(--dur-fast) var(--ease),
              height var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease),
              transform 80ms linear;
  mix-blend-mode: difference;
  filter: invert(1);
}
.cursor-visible .cursor-dot,
.cursor-visible .cursor-ring { opacity: 1; }

.cursor-hover .cursor-ring {
  width: 60px; height: 60px;
  border-color: var(--persimmon);
  background: rgba(255,92,58,0.12);
}
.cursor-hover .cursor-dot { width: 0; height: 0; }

@media (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* =============================================================
   MAGNETIC BUTTON HELPER (applied by JS)
   ============================================================= */
.magnetic { transition: transform var(--dur-fast) var(--ease); will-change: transform; }

/* =============================================================
   MARQUEE
   ============================================================= */
@keyframes scroll-x { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee {
  display: flex;
  width: max-content;
  animation: scroll-x 50s linear infinite;
}
.marquee:hover { animation-play-state: paused; }

/* =============================================================
   MOBILE NAV
   ============================================================= */
.desktop-nav { display: flex; }
.mobile-nav  { display: none; }
@media (max-width: 768px) {
  .desktop-nav { display: none; }
  .mobile-nav  { display: flex; }
}

/* =============================================================
   EDITORIAL ROW
   ============================================================= */
.editorial-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--hairline);
  position: relative;
  transition: padding var(--dur) var(--ease);
}
.editorial-row:last-child { border-bottom: 1px solid var(--hairline); }
.editorial-row::before {
  content: ""; position: absolute; left: 0; top: 0;
  height: 1px; width: 0;
  background: var(--persimmon);
  transition: width var(--dur) var(--ease);
}
.editorial-row:hover::before { width: 80px; }

@media (max-width: 768px) {
  .editorial-row { grid-template-columns: 1fr; gap: 0.75rem; padding: 1.75rem 0; }
}

/* =============================================================
   STICKY BAR
   ============================================================= */
.glass-bar {
  background: rgba(245,241,232,0.62);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}
.glass-bar.is-scrolled {
  background: rgba(245,241,232,0.85);
  border-bottom-color: var(--hairline);
}
.glass-bar.on-indigo {
  background: rgba(44,42,107,0.72);
  border-bottom-color: rgba(245,241,232,0.12);
}

/* =============================================================
   LINK UNDERLINE ANIMATION (used in inline links)
   ============================================================= */
.u-link {
  position: relative;
  color: inherit;
}
.u-link::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 1px; background: currentColor;
  transform-origin: right; transform: scaleX(1);
  transition: transform var(--dur) var(--ease);
}
.u-link:hover::after { transform-origin: left; transform: scaleX(0); }
.u-link:hover { color: var(--persimmon); }

/* =============================================================
   SECTION SPACING TOKENS
   ============================================================= */
.section { padding: clamp(64px, 9vw, 144px) 0; }
.section-tight { padding: clamp(48px, 6vw, 96px) 0; }

/* =============================================================
   Subtle dot grid
   ============================================================= */
.dot-grid {
  background-image: radial-gradient(rgba(11,11,15,0.07) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* =============================================================
   <details> reset
   ============================================================= */
details summary { list-style: none; cursor: pointer; }
details summary::-webkit-details-marker { display: none; }

/* =============================================================
   EMBED MODE (used by tour.html)
   ============================================================= */
html.embed [data-chrome] { display: none !important; }

/* =============================================================
   HIG: respect reduced motion already handled at top
   HIG: WCAG min tap targets
   ============================================================= */
button, a.btn, [role="button"] { min-height: 36px; }
@media (max-width: 768px) {
  button, a.btn, [role="button"] { min-height: 44px; }
}