/* ============================================================
   Steller.in Design System — 60-30-10 Palette
   Dominant (60%): Off-White / Soft Warm Cream (#FBFBF9)
   Secondary (30%): Deep Charcoal / Ink Black (#111827)
   Primary Accent (10%): Teal / Cyan (#06B6D4 to #0EA5E9)
   ============================================================ */

:root {
  --radius: 1rem;

  /* 60% DOMINANT (BASE) */
  --bg-cream:         #FBFBF9;
  --bg-white:         #FFFFFF;
  --bg-surface:       #FBFBF9;
  --bg-muted:         #F3F3EF;

  /* 30% SECONDARY (STRUCTURE) */
  --charcoal:         #111827;
  --charcoal-subtle:  #4B5563;
  --charcoal-light:   #6B7280;
  --border-cream:     #E5E5DF;
  --border-strong:    #111827;

  /* 10% PRIMARY ACCENT */
  --accent-teal:      #06B6D4;
  --accent-cyan:      #0EA5E9;
  --accent-grad:      linear-gradient(135deg, #06B6D4 0%, #0EA5E9 100%);
  --accent-grad-hover: linear-gradient(135deg, #0891B2 0%, #0284C7 100%);
  --accent-tint:      #E0F2FE;
  --accent-tint-soft: #F0F9FF;
  --accent-text:      #0284C7;

  /* Core Design System Variables */
  --background: var(--bg-cream);
  --foreground: var(--charcoal);

  --surface: var(--bg-white);
  --card: var(--bg-white);
  --card-foreground: var(--charcoal);

  --popover: var(--bg-white);
  --popover-foreground: var(--charcoal);

  --primary: var(--accent-teal);
  --primary-foreground: var(--charcoal);
  --primary-soft: var(--accent-tint);
  --primary-glow: var(--accent-cyan);
  --primary-light: var(--accent-teal);

  --secondary: var(--bg-muted);
  --secondary-foreground: var(--charcoal);

  --muted: var(--bg-muted);
  --muted-foreground: var(--charcoal-subtle);

  --accent: var(--accent-tint);
  --accent-foreground: var(--charcoal);

  --destructive: #EF4444;
  --destructive-foreground: #FFFFFF;

  --border: var(--border-cream);
  --input: var(--border-cream);
  --ring: var(--accent-teal);
  --star: #F59E0B;

  --gradient-primary: var(--accent-grad);
  --gradient-soft: linear-gradient(
    180deg,
    var(--accent-tint) 0%,
    transparent 100%
  );

  --shadow-soft:
    0 1px 2px rgb(17 24 39 / 0.04), 0 8px 24px -12px rgb(17 24 39 / 0.08);
  --shadow-lift:
    0 2px 4px rgb(17 24 39 / 0.04), 0 20px 40px -18px rgb(6 182 212 / 0.35);
  --shadow-glass:
    0 1px 1px rgb(255 255 255 / 0.8) inset,
    0 30px 60px -24px rgb(17 24 39 / 0.10);
}

::selection {
  background-color: var(--accent-tint);
  color: var(--charcoal);
}

::-moz-selection {
  background-color: var(--accent-tint);
  color: var(--charcoal);
}

* {
  border-color: var(--border);
  box-sizing: border-box;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background-color: var(--background);
  color: var(--foreground);
  font-family:
    "Plus Jakarta Sans",
    ui-sans-serif,
    system-ui,
    -apple-system,
    sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
}

h1,
h2,
h3,
h4 {
  letter-spacing: -0.025em;
  line-height: 1.15;
}

:focus-visible {
  outline: 2px solid var(--accent-teal);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--accent-tint);
}

/* ---------- Custom utilities ---------- */

.surface-grid {
  background-image:
    linear-gradient(to right, rgb(17 24 39 / 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgb(17 24 39 / 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
}

.glass-panel {
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-glass);
}

.card-lift {
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.35s ease;
}
.card-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
  border-color: var(--accent-teal);
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.shadow-soft {
  box-shadow: var(--shadow-soft);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 9999px;
  border: 1px solid rgb(6 182 212 / 0.3);
  background: var(--accent-tint);
  color: var(--accent-text);
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- Reveal animation states ---------- */
.reveal {
  opacity: 0;
  will-change: transform, opacity, filter;
}
.reveal-up {
  transform: translateY(28px);
}
.reveal-left {
  transform: translateX(-32px);
}
.reveal-right {
  transform: translateX(32px);
}
.reveal-scale {
  transform: scale(0.95);
}
.reveal-blur {
  filter: blur(12px);
  transform: translateY(16px);
}
.reveal.in-view {
  opacity: 1;
  transform: translate(0, 0) scale(1);
  filter: blur(0px);
  transition:
    opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ---------- Hero image motion ---------- */
.hero-motion {
  opacity: 0;
  transform: translateY(32px) scale(0.98);
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.hero-motion.in-view {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ---------- Carousel ---------- */
.embla {
  overflow: hidden;
}
.embla__container {
  position: relative;
  display: flex;
  gap: 1.5rem;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.embla__slide {
  flex: 0 0 100%;
  min-width: 0;
}
@media (min-width: 640px) {
  .embla__slide {
    flex-basis: calc(50% - 0.75rem);
  }
}
@media (min-width: 1024px) {
  .embla__slide {
    flex-basis: calc(33.333% - 1rem);
  }
}

.embla__dot {
  width: 0.8rem;
  height: 0.5rem;
  border-radius: 9999px;
  background: var(--border);
  border: 0;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
}
.embla__dot:hover {
  background: var(--accent-teal);
}
.embla__dot.is-active {
  width: 2rem;
  background: var(--accent-grad);
}

/* ---------- FAQ accordion ---------- */
.accordion-item {
  margin-bottom: 0.75rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: var(--card);
  padding: 0 1.5rem;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.accordion-item:last-child {
  margin-bottom: 0;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 1.25rem 0;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  cursor: pointer;
}
.accordion-trigger:focus-visible {
  outline: 2px solid var(--accent-teal);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--accent-tint);
}
.accordion-trigger .fa-chevron-down {
  transition: transform 0.25s ease;
  color: var(--accent-text);
  flex-shrink: 0;
}
.accordion-item.is-open .accordion-trigger .fa-chevron-down {
  transform: rotate(180deg);
}
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.accordion-content-inner {
  padding-bottom: 1.25rem;
  font-size: 0.875rem;
  line-height: 1.625;
  color: var(--muted-foreground);
}

/* ---------- Header state ---------- */
.site-header {
  transition: all 0.3s ease;
}
.site-header.scrolled {
  background: rgba(251, 251, 249, 0.92);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-glass);
}

/* ---------- Dialog ---------- */
.dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgb(0 0 0 / 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease;
}
.dialog-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
.dialog-panel {
  width: 100%;
  max-width: 39rem;
  max-height: 92vh;
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 1.5rem;
  transform: translateY(20px) scale(0.98);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
}
.dialog-overlay.is-open .dialog-panel {
  transform: translateY(0) scale(1);
}
.dialog-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: var(--background);
  color: var(--foreground);
  cursor: pointer;
}
.dialog-close:hover {
  background: var(--secondary);
}

/* ---------- Toast ---------- */
.toast-container {
  position: fixed;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10050;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  width: min(92vw, 420px);
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  background: var(--charcoal);
  color: var(--bg-white);
  padding: 0.85rem 1.25rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 10px 30px -10px rgb(0 0 0 / 0.4);
  animation: toast-in 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: auto;
}
.toast.toast-error {
  background: #DC2626;
  color: #FFFFFF;
}
.toast .fa-circle-check {
  color: var(--accent-teal);
}
.toast.toast-error .fa-circle-exclamation {
  color: #FEE2E2;
}
.toast.hide {
  animation: toast-out 0.3s forwards;
}
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-20px);
  }
}

/* ---------- Form field error ---------- */
.form-message {
  color: var(--destructive);
  font-size: 0.8rem;
  margin-top: 0.35rem;
  display: none;
}
.form-field.has-error .form-message {
  display: block;
}
.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea {
  border-color: var(--destructive);
}

/* ---------- Playground scrollbar for table ---------- */
.overflow-x-auto {
  -webkit-overflow-scrolling: touch;
}

/* ---------- WhatsApp popup ---------- */
.wa-popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgb(0 0 0 / 0.55);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease;
}
.wa-popup-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
.wa-popup-panel {
  position: relative;
  width: 100%;
  max-width: 26rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2rem 1.75rem 1.75rem;
  box-shadow: var(--shadow-lift);
  transform: translateY(20px) scale(0.98);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.wa-popup-overlay.is-open .wa-popup-panel {
  transform: translateY(0) scale(1);
}
.wa-popup-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: var(--background);
  color: var(--foreground);
  cursor: pointer;
}
.wa-popup-close:hover {
  background: var(--secondary);
}
.wa-popup-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
}
.wa-popup-icon {
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  background: var(--accent-tint);
  color: var(--accent-text);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}
.wa-popup-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--foreground);
}
.wa-popup-sub {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.5;
}
.wa-popup-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.wa-popup-option {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  text-align: left;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: var(--background);
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.wa-popup-option:hover {
  border-color: var(--accent-teal);
  background: var(--accent-tint-soft);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}
.wa-option-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--foreground);
}
.wa-option-desc {
  font-size: 0.8rem;
  color: var(--muted-foreground);
  line-height: 1.45;
}
.wa-popup-back {
  margin-top: 1rem;
  display: flex;
  justify-content: flex-start;
}
.wa-popup-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 0;
  padding: 0.5rem 0.75rem;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-text);
  cursor: pointer;
  border-radius: 0.5rem;
  transition: background 0.2s ease;
}
.wa-popup-back-btn:hover {
  background: var(--accent-tint);
}

/* Portfolio hidden cards */
.hidden-card {
  display: none !important;
}

/* ============================================================
   60-30-10 Direct Token Utilities
   ============================================================ */

/* Primary 10% High-Intent Accent Button */
.btn-primary-cta {
  background: linear-gradient(135deg, #06B6D4 0%, #0EA5E9 100%) !important;
  color: #111827 !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 14px 0 rgba(6, 182, 212, 0.35);
  transition: all 0.25s ease;
}
.btn-primary-cta:hover {
  background: linear-gradient(135deg, #0891B2 0%, #0284C7 100%) !important;
  box-shadow: 0 6px 20px 0 rgba(6, 182, 212, 0.45);
  transform: translateY(-1px);
}

/* Secondary 30% Button */
.btn-secondary-structure {
  border: 1px solid #111827 !important;
  color: #111827 !important;
  background-color: transparent !important;
  transition: all 0.2s ease;
}
.btn-secondary-structure:hover {
  background-color: #F3F3EF !important;
}

/* Direct mappings for var(...) classes in index.html */
.bg-\[var\(--brand-pink\)\], .bg-accent-teal {
  background: linear-gradient(135deg, #06B6D4 0%, #0EA5E9 100%) !important;
}
.hover\:bg-\[var\(--brand-orange\)\]:hover {
  background: linear-gradient(135deg, #0891B2 0%, #0284C7 100%) !important;
}
.bg-\[var\(--ink\)\], .bg-charcoal { background-color: #111827 !important; }
.bg-\[var\(--white\)\], .bg-white { background-color: #FFFFFF !important; }
.bg-\[var\(--mist\)\], .bg-cream { background-color: #FBFBF9 !important; }
.bg-\[var\(--cloud\)\] { background-color: #FFFFFF !important; }
.bg-\[var\(--tint-pink\)\], .bg-accent-tint { background-color: #E0F2FE !important; }

.text-\[var\(--ink\)\], .text-charcoal { color: #111827 !important; }
.text-\[var\(--slate\)\], .text-charcoal-subtle { color: #4B5563 !important; }
.text-\[var\(--fog\)\] { color: #E5E5DF !important; }
.text-\[var\(--white\)\], .text-white { color: #FFFFFF !important; }
.text-\[var\(--text-pink\)\], .text-accent { color: #0284C7 !important; }
.text-\[var\(--brand-pink\)\] { color: #06B6D4 !important; }
.hover\:text-\[var\(--text-pink\)\]:hover { color: #0284C7 !important; }

.border-\[var\(--fog\)\], .border-cream { border-color: #E5E5DF !important; }
.border-\[var\(--brand-pink\)\] { border-color: #06B6D4 !important; }
.hover\:border-\[var\(--brand-pink\)\]\/40:hover { border-color: rgba(6, 182, 212, 0.4) !important; }
.hover\:border-\[var\(--brand-pink\)\]\/50:hover { border-color: rgba(6, 182, 212, 0.5) !important; }