/* ====================================================
   Know To Win — site.css
   Full visual redesign. SEO-neutral (no HTML content changes here).
   ==================================================== */

/* ---------- Design Tokens ---------- */
:root {
  /* Surface */
  --bg:              #f2f7f9;
  --bg-strong:       #e6f2f5;
  --paper:           rgba(255, 255, 255, 0.82);
  --paper-solid:     #ffffff;

  /* Ink */
  --ink:             #0b1b26;
  --muted:           #4e6778;
  --line:            rgba(11, 27, 38, 0.1);

  /* Brand — slightly richer teal */
  --brand:           #0e8a96;
  --brand-strong:    #0a6570;
  --brand-soft:      #d6f0f3;
  --brand-glow:      rgba(14, 138, 150, 0.32);

  /* Accent amber */
  --accent:          #f5a623;
  --accent-soft:     #fff3d4;

  /* Hero dark */
  --hero-bg:         #07131a;
  --hero-ink:        #e6f4f7;
  --hero-muted:      rgba(230, 244, 247, 0.62);
  --hero-line:       rgba(14, 138, 150, 0.28);

  /* Shadows */
  --shadow-soft:     0 16px 48px rgba(11, 27, 38, 0.08);
  --shadow-strong:   0 28px 72px rgba(14, 138, 150, 0.18);
  --shadow-card:     0 4px 16px rgba(11, 27, 38, 0.06), 0 1px 3px rgba(11, 27, 38, 0.08);

  /* Radii */
  --radius-xl:       28px;
  --radius-lg:       22px;
  --radius-md:       16px;
  --radius-sm:       12px;
  --radius-pill:     999px;

  /* Layout */
  --shell:           1180px;

  /* Type */
  --font-sans:       "Plus Jakarta Sans", "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --font-head:       "Plus Jakarta Sans", "Noto Sans", Georgia, sans-serif;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  font-family: var(--font-sans);
  background:
    radial-gradient(ellipse at top left, rgba(14, 138, 150, 0.09), transparent 38rem),
    radial-gradient(ellipse at bottom right, rgba(245, 166, 35, 0.12), transparent 32rem),
    linear-gradient(180deg, #f8fcfd 0%, var(--bg) 100%);
}

/* Subtle grid texture (light sections only) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(14, 138, 150, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 138, 150, 0.022) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.25) 0%, transparent 72%);
  z-index: 0;
}

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

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

h1, h2, h3, p, ul, ol {
  margin: 0;
}

h1, h2, h3 {
  font-family: var(--font-head);
  letter-spacing: -0.03em;
  font-weight: 800;
}

.shell {
  width: min(calc(100% - 32px), var(--shell));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -52px;
  z-index: 1000;
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  transition: top 140ms ease;
}

.skip-link:focus {
  top: 16px;
}

/* ---------- Scroll-reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1), transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 14px 0 8px;
  transition: padding 200ms ease;
}

body[data-scrolled="true"] .site-header {
  padding: 8px 0 6px;
}

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  grid-template-areas:
    "brand lang cta"
    "nav nav nav";
  align-items: center;
  column-gap: 18px;
  row-gap: 12px;
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  box-shadow: 0 8px 32px rgba(11, 27, 38, 0.08), inset 0 1px 0 rgba(255,255,255,0.9);
  transition: box-shadow 200ms ease, background 200ms ease;
}

body[data-scrolled="true"] .masthead {
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 12px 40px rgba(11, 27, 38, 0.12);
}

.brand {
  grid-area: brand;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(140deg, var(--brand), var(--brand-strong));
  color: #fff;
  font-size: 1.3rem;
  font-weight: 800;
  box-shadow: 0 8px 24px var(--brand-glow);
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.brand:hover .brand-mark {
  transform: scale(1.07);
  box-shadow: 0 12px 32px var(--brand-glow);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1.1;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.82rem;
}

.site-nav {
  grid-area: nav;
  display: flex;
  justify-content: center;
  gap: 4px;
  flex-wrap: wrap;
  width: 100%;
  padding-top: 2px;
  border-top: 1px solid rgba(11, 27, 38, 0.08);
}

.site-nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: var(--radius-pill);
  transition: color 140ms ease, background 140ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--brand-strong);
  background: var(--brand-soft);
}

.language-switcher[hidden] {
  display: none !important;
}

.language-switcher {
  grid-area: lang;
  position: relative;
  justify-self: end;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid rgba(14, 138, 150, 0.2);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  font-family: var(--font-sans);
  cursor: pointer;
  transition: border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}

.language-toggle:hover,
.language-toggle:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(14, 138, 150, 0.38);
  box-shadow: 0 10px 24px rgba(11, 27, 38, 0.08);
}

.language-toggle::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(14, 138, 150, 0) 6px, var(--brand) 6px, var(--brand) 7px, transparent 7px),
    linear-gradient(90deg, transparent 7px, var(--brand) 7px, var(--brand) 8px, transparent 8px),
    linear-gradient(transparent 7px, var(--brand) 7px, var(--brand) 8px, transparent 8px);
  opacity: 0.85;
}

.language-toggle-meta {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.language-toggle-value {
  font-size: 0.92rem;
  font-weight: 700;
}

.language-toggle::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 140ms ease;
}

.language-switcher.is-open .language-toggle::after {
  transform: rotate(-135deg) translateY(-1px);
}

.language-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 220px;
  padding: 10px;
  border: 1px solid rgba(14, 138, 150, 0.14);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 50px rgba(11, 27, 38, 0.14);
  display: none;
  z-index: 55;
}

.language-switcher.is-open .language-menu {
  display: grid;
  gap: 6px;
}

.language-option {
  display: block;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
  transition: background 140ms ease, color 140ms ease;
}

.language-option:hover,
.language-option:focus-visible {
  background: rgba(14, 138, 150, 0.1);
  color: var(--brand-strong);
}

.language-option.is-active {
  background: rgba(14, 138, 150, 0.14);
  color: var(--brand-strong);
}

.nav-toggle {
  grid-area: toggle;
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.92);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  border-radius: var(--radius-pill);
  transition: transform 150ms ease, opacity 150ms ease;
}

body[data-nav-open="true"] .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body[data-nav-open="true"] .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body[data-nav-open="true"] .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Buttons ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1.5px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.desktop-cta {
  grid-area: cta;
  justify-self: end;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-strong) 100%);
  box-shadow: 0 8px 24px var(--brand-glow);
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 14px 36px var(--brand-glow);
}

.button-secondary {
  color: var(--brand-strong);
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(14, 138, 150, 0.22);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(14, 138, 150, 0.44);
}

.button[disabled],
.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.64;
  transform: none;
  box-shadow: none;
}

/* ---------- Hero (dark section) ---------- */
@keyframes heroGlow {
  0%   { opacity: 0.7; transform: scale(1) rotate(0deg); }
  50%  { opacity: 1;   transform: scale(1.12) rotate(6deg); }
  100% { opacity: 0.7; transform: scale(1) rotate(0deg); }
}

@keyframes floatCard {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-8px); }
  100% { transform: translateY(0); }
}

.hero {
  background: var(--hero-bg);
  padding: 36px 0 52px;
  overflow: hidden;
  position: relative;
}

/* Hero atmospheric glows */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: var(--radius-pill);
  pointer-events: none;
  filter: blur(80px);
  animation: heroGlow 9s ease-in-out infinite;
}

.hero::before {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(14, 138, 150, 0.28), transparent 70%);
  top: -120px;
  right: -60px;
  animation-delay: 0s;
}

.hero::after {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.16), transparent 70%);
  bottom: -80px;
  left: 5%;
  animation-delay: -4s;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 1fr);
  gap: 32px;
  align-items: center;
}

/* Hero copy card */
.hero-copy {
  position: relative;
  padding: 40px 38px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--hero-line);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    0 2px 0 rgba(14, 138, 150, 0.4) inset,
    0 32px 80px rgba(0, 0, 0, 0.3);
}

.hero-copy::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(14, 138, 150, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(14, 138, 150, 0.2);
  color: #6ee7ef;
  border: 1px solid rgba(14, 138, 150, 0.35);
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6ee7ef;
  box-shadow: 0 0 8px #6ee7ef;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

h1 {
  margin-top: 20px;
  font-size: clamp(2.6rem, 6.5vw, 5.2rem);
  line-height: 0.94;
  max-width: 12ch;
  color: var(--hero-ink);
  letter-spacing: -0.04em;
}

.hero-lead {
  margin-top: 22px;
  max-width: 60ch;
  color: var(--hero-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* Override button colours inside dark hero */
.hero-copy .button-primary {
  background: linear-gradient(135deg, var(--brand), #0bbac9);
  box-shadow: 0 8px 28px rgba(14, 138, 150, 0.5);
}

.hero-copy .button-primary:hover {
  box-shadow: 0 14px 40px rgba(14, 138, 150, 0.65);
}

.hero-copy .button-secondary {
  color: var(--hero-ink);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.hero-copy .button-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.4);
}

.hero-highlights {
  margin-top: 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.hero-highlights li {
  position: relative;
  padding-left: 20px;
  color: var(--hero-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.hero-highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--accent), #f97316);
}

/* Hero visual panel — 2-col grid: product-window | stat cards */
.hero-visual {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 200px;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
  align-items: stretch;
  min-height: 520px;
}

.glow {
  position: absolute;
  border-radius: var(--radius-pill);
  filter: blur(20px);
  opacity: 0.85;
  animation: heroGlow 8s ease-in-out infinite;
}

.glow-a {
  right: 6px;
  top: 20px;
  width: 200px;
  height: 200px;
  background: rgba(245, 166, 35, 0.28);
  animation-delay: 0s;
}

.glow-b {
  left: 10px;
  bottom: 30px;
  width: 180px;
  height: 180px;
  background: rgba(14, 138, 150, 0.22);
  animation-delay: -3s;
}

/* Product window mock — left column, spans both rows */
.product-window {
  grid-column: 1;
  grid-row: 1 / 3;
  position: relative;
  padding: 18px;
  background: linear-gradient(180deg, rgba(15, 30, 40, 0.92), rgba(10, 22, 30, 0.96));
  border: 1px solid rgba(14, 138, 150, 0.35);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(16px);
  box-shadow:
    var(--shadow-strong),
    0 0 0 1px rgba(255,255,255,0.04) inset,
    0 2px 0 rgba(14, 138, 150, 0.5) inset;
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(230, 244, 247, 0.5);
  font-size: 0.8rem;
  font-weight: 600;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-pill);
}

.dot:nth-child(1) { background: #ff5f57; }
.dot:nth-child(2) { background: #febc2e; }
.dot:nth-child(3) { background: #28c840; }

.window-label {
  margin-left: 4px;
}

.product-card {
  margin-top: 16px;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(14, 138, 150, 0.25);
}

.card-tag,
.mini-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.card-tag {
  background: rgba(14, 138, 150, 0.2);
  color: #6ee7ef;
  border: 1px solid rgba(14, 138, 150, 0.3);
}

.mini-tag {
  background: rgba(245, 166, 35, 0.2);
  color: #ffd07a;
  border: 1px solid rgba(245, 166, 35, 0.3);
}

.question-card h2 {
  margin-top: 12px;
  font-size: clamp(1.3rem, 2.6vw, 2rem);
  line-height: 1.05;
  color: var(--hero-ink);
}

.answers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 16px;
}

.answer-pill {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: var(--radius-md);
  background: rgba(14, 138, 150, 0.1);
  color: rgba(230, 244, 247, 0.8);
  border: 1px solid rgba(14, 138, 150, 0.2);
  font-weight: 600;
  font-size: 0.9rem;
}

.answer-pill-good {
  background: rgba(14, 138, 150, 0.25);
  color: #6ee7ef;
  border-color: rgba(14, 138, 150, 0.4);
  box-shadow: 0 0 12px rgba(14, 138, 150, 0.2);
}

.learning-card p {
  margin-top: 12px;
  color: rgba(230, 244, 247, 0.55);
  line-height: 1.7;
  font-size: 0.9rem;
}

/* Floating stat cards — right column, stacked */
.floating-card {
  position: relative;
  padding: 20px;
  width: auto;
  background: rgba(15, 30, 40, 0.88);
  border: 1px solid rgba(14, 138, 150, 0.3);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.35), 0 1px 0 rgba(14, 138, 150, 0.4) inset;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.progress-card {
  grid-column: 2;
  grid-row: 1;
  animation: floatCard 5s ease-in-out infinite;
}

.reward-card {
  grid-column: 2;
  grid-row: 2;
  animation: floatCard 6s ease-in-out infinite;
  animation-delay: -2.5s;
}

.floating-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.28rem;
  line-height: 1.1;
  color: var(--hero-ink);
}

.floating-card p {
  margin-top: 8px;
  color: rgba(230, 244, 247, 0.55);
  line-height: 1.6;
  font-size: 0.88rem;
}

/* ---------- Proof Strip ---------- */
.proof-strip {
  padding: 12px 0 0;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.proof-card {
  position: relative;
  padding: 24px 22px 22px;
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.proof-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), #0bbac9);
}

.proof-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 56px rgba(11, 27, 38, 0.12);
}

.proof-kicker {
  display: inline-flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-head);
  color: var(--brand-strong);
  letter-spacing: -0.03em;
  padding: 0;
  background: none;
}

.proof-card p {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.68;
  font-size: 0.92rem;
}

/* ---------- Sections ---------- */
.section {
  padding: 64px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(230, 242, 245, 0.5) 0%, rgba(230, 242, 245, 0.08) 100%);
}

.section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 36px;
  max-width: 52rem;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(245, 166, 35, 0.14);
  color: #7a4900;
  border: 1px solid rgba(245, 166, 35, 0.25);
}

.section-head h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.98;
  max-width: 18ch;
  color: var(--ink);
}

.section-head p:last-child {
  max-width: 66ch;
  color: var(--muted);
  line-height: 1.78;
}

/* ---------- Cards (light sections) — shared glass ---------- */
.feature-card,
.step-card,
.detail-card,
.credit-panel,
.reward-panel,
.audience-card,
.faq-item,
.cta-card {
  position: relative;
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
}

/* ---------- Feature Cards ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-card,
.step-card,
.detail-card,
.credit-panel,
.reward-panel,
.audience-card {
  padding: 26px;
}

.feature-card {
  transition: transform 200ms ease, box-shadow 200ms ease;
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 3px 0 0 3px;
  background: linear-gradient(180deg, var(--brand), transparent);
  opacity: 0;
  transition: opacity 200ms ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(11, 27, 38, 0.12);
}

.feature-card:hover::after {
  opacity: 1;
}

.feature-card-accent {
  background: linear-gradient(160deg, rgba(14, 138, 150, 0.1) 0%, rgba(255, 255, 255, 0.88) 60%);
  border-color: rgba(14, 138, 150, 0.2);
}

.feature-card-accent::after {
  opacity: 1;
  background: linear-gradient(180deg, var(--brand), #0bbac9);
}

.feature-card h3,
.step-card h3,
.detail-card h3,
.credit-panel h3,
.reward-panel h3,
.audience-card h3,
.cta-card h2,
.faq-item summary {
  font-size: 1.18rem;
  line-height: 1.15;
  color: var(--ink);
}

.feature-card p,
.step-card p,
.detail-card p,
.credit-item p,
.reward-panel p,
.reward-panel li,
.audience-card p,
.faq-item p,
.cta-card p,
.footer-grid p {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.72;
  font-size: 0.94rem;
}

/* ---------- Steps ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  position: relative;
}

/* Connector line between steps on desktop */
.steps-grid::before {
  content: "";
  position: absolute;
  top: 42px;
  left: calc(12.5% + 22px);
  right: calc(12.5% + 22px);
  height: 2px;
  background: linear-gradient(90deg, var(--brand-soft), var(--brand), var(--brand-soft));
  pointer-events: none;
  z-index: 0;
}

.step-card {
  z-index: 1;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(11, 27, 38, 0.12);
}

.step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  box-shadow: 0 8px 24px var(--brand-glow);
}

.detail-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

/* ---------- Credits & Rewards ---------- */
.reward-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.credit-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.credit-item {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(11, 27, 38, 0.06);
  transition: background 150ms ease;
}

.credit-item:hover {
  background: rgba(255, 255, 255, 0.95);
}

.credit-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 11px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.credit-chip-referral  { background: #dbeafe; color: #1d4ed8; }
.credit-chip-donated   { background: #dcfce7; color: #15803d; }
.credit-chip-earned    { background: #fef9c3; color: #854d0e; }
.credit-chip-purchased { background: #ede9fe; color: #6d28d9; }

.reward-steps {
  margin: 18px 0 0;
  padding-left: 22px;
}

.reward-steps li + li {
  margin-top: 10px;
}

.reward-note {
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  border: 1px solid rgba(245, 166, 35, 0.22);
}

.reward-note strong {
  display: block;
  font-size: 0.94rem;
  color: var(--ink);
}

.reward-note p {
  margin-top: 8px;
}

/* ---------- Audience Cards ---------- */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.audience-card {
  transition: transform 200ms ease, box-shadow 200ms ease;
  overflow: hidden;
}

.audience-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(160deg, rgba(14, 138, 150, 0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 200ms ease;
}

.audience-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(11, 27, 38, 0.12);
}

.audience-card:hover::before {
  opacity: 1;
}

/* ---------- FAQ ---------- */
.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  padding: 0;
  overflow: clip;
  box-shadow: var(--shadow-card);
  transition: box-shadow 200ms ease;
}

.faq-item[open] {
  box-shadow: 0 8px 32px rgba(14, 138, 150, 0.1);
}

.faq-item summary {
  display: block;
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 22px 56px 22px 24px;
  font-size: 1.08rem;
  font-weight: 700;
  font-family: var(--font-head);
  color: var(--ink);
  user-select: none;
  transition: color 150ms ease;
}

.faq-item[open] summary {
  color: var(--brand-strong);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%230a6570' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  transition: background-color 150ms ease, transform 250ms ease;
}

.faq-item[open] summary::after {
  background-color: var(--brand);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
  transform: translateY(-50%) rotate(180deg);
}

.faq-item p {
  margin: 0;
  padding: 0 24px 22px;
}

.faq-item a {
  color: var(--brand-strong);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding-top: 12px;
  padding-bottom: 72px;
}

.cta-card {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto;
  gap: 32px;
  align-items: center;
  padding: 44px 48px;
  background:
    radial-gradient(ellipse at top right, rgba(14, 138, 150, 0.3), transparent 20rem),
    radial-gradient(ellipse at bottom left, rgba(245, 166, 35, 0.2), transparent 16rem),
    linear-gradient(135deg, #081820 0%, #0d2e3a 100%);
  border-color: rgba(14, 138, 150, 0.3);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.22), 0 2px 0 rgba(14, 138, 150, 0.5) inset;
  overflow: hidden;
}

.cta-card .section-kicker {
  background: rgba(245, 166, 35, 0.2);
  color: #ffc96a;
  border-color: rgba(245, 166, 35, 0.3);
}

.cta-card h2 {
  margin-top: 12px;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  color: #e6f4f7;
  line-height: 1.02;
}

.cta-card p {
  color: rgba(230, 244, 247, 0.6);
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 270px;
}

/* White primary button inside dark CTA */
.cta-card .button-primary {
  background: linear-gradient(135deg, #fff, #dff4f6);
  color: var(--brand-strong);
  box-shadow: 0 8px 28px rgba(255, 255, 255, 0.2);
}

.cta-card .button-primary:hover {
  box-shadow: 0 14px 40px rgba(255, 255, 255, 0.3);
}

.cta-card .button-secondary {
  color: rgba(230, 244, 247, 0.8);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.cta-card .button-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.35);
  color: #e6f4f7;
}

/* ---------- Generic page hero / support page ---------- */
.page-hero {
  padding: 42px 0 18px;
}

.page-hero-grid,
.support-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 18px;
  align-items: start;
}

.page-hero-copy,
.page-hero-aside,
.support-form-card,
.support-card {
  position: relative;
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
  padding: 28px;
}

.page-hero-copy h1 {
  margin-top: 14px;
  max-width: 12ch;
  color: var(--ink);
}

.page-hero-copy p:last-child,
.page-hero-aside p,
.support-card p {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.76;
}

.support-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-strong);
  background: rgba(14, 138, 150, 0.1);
  border: 1px solid rgba(14, 138, 150, 0.2);
}

.page-hero-aside h2,
.support-card h3 {
  margin-top: 14px;
  font-size: 1.34rem;
  line-height: 1.1;
}

.support-side {
  display: grid;
  gap: 16px;
}

.support-form {
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field-wide {
  grid-column: 1 / -1;
}

.form-field span {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid rgba(11, 27, 38, 0.12);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font: inherit;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.form-field textarea {
  resize: vertical;
  min-height: 150px;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: rgba(14, 138, 150, 0.44);
  box-shadow: 0 0 0 4px rgba(14, 138, 150, 0.1);
}

.support-form-actions {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.disabled-button-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.mini-list {
  margin: 16px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.72;
}

.mini-list li + li {
  margin-top: 8px;
}

.support-link-stack {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 0 0 44px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr auto 1fr;
  align-items: start;
  gap: 18px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  position: relative;
}

.footer-grid::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 120px;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), transparent);
}

.footer-grid strong {
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--ink);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
}

.footer-links a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  transition: color 140ms ease, background 140ms ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--brand-strong);
  background: var(--brand-soft);
}

.footer-note {
  text-align: right;
  color: var(--muted);
  font-size: 0.88rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 1140px) {
  .feature-grid,
  .audience-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1020px) {
  .masthead {
    grid-template-columns: auto 1fr auto;
  }

  .desktop-cta {
    display: none;
  }

  .hero-grid,
  .proof-grid,
  .feature-grid,
  .steps-grid,
  .detail-band,
  .reward-grid,
  .audience-grid,
  .page-hero-grid,
  .support-layout,
  .cta-card,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid::before {
    display: none;
  }

  .hero-visual {
    min-height: 640px;
  }

  .footer-note {
    text-align: left;
  }

  .cta-card {
    padding: 32px;
  }

  .cta-actions {
    min-width: 0;
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(calc(100% - 20px), var(--shell));
  }

  .masthead {
    position: relative;
    grid-template-columns: minmax(0, 1fr) auto auto;
    grid-template-areas:
      "brand lang toggle"
      "nav nav nav";
    justify-content: stretch;
    align-items: center;
    border-radius: 22px;
    row-gap: 10px;
  }

  .nav-toggle {
    display: inline-block;
    justify-self: end;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 10px;
    right: 10px;
    top: calc(100% + 8px);
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-soft);
    flex-direction: column;
    align-items: flex-start;
    z-index: 50;
    border-top: 1px solid var(--line);
  }

  body[data-nav-open="true"] .site-nav {
    display: flex;
  }

  .hero {
    padding-top: 20px;
    padding-bottom: 32px;
  }

  .language-toggle {
    min-height: 42px;
    padding: 0 12px;
    max-width: 100%;
  }

  .language-toggle-meta {
    display: none;
  }

  .language-switcher {
    justify-self: end;
  }

  .language-menu {
    right: 0;
    min-width: 180px;
  }

  .brand-copy span {
    display: none;
  }

  .hero-copy {
    padding: 28px 22px;
  }

  .hero-visual {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    min-height: auto;
    gap: 14px;
  }

  .product-window {
    grid-column: 1;
    grid-row: 1;
  }

  .progress-card {
    grid-column: 1;
    grid-row: 2;
  }

  .reward-card {
    grid-column: 1;
    grid-row: 3;
  }

  .glow {
    display: none;
  }

  .floating-card {
    padding: 16px 18px;
    animation: none;
  }

  .answers {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: none;
  }

  .section {
    padding: 48px 0;
  }

  .feature-card,
  .step-card,
  .detail-card,
  .credit-panel,
  .reward-panel,
  .audience-card {
    padding: 22px;
  }

  .cta-card {
    padding: 28px 22px;
  }

  .cta-actions {
    flex-direction: column;
    min-width: 0;
  }

  .hero-actions .button,
  .cta-actions .button {
    width: 100%;
    justify-content: center;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .proof-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}