/* ==========================================================
   GLOBAL TOKENS
   ========================================================== */
:root{
  --bg: #211e51;
  --ink: #ffffff;
  --muted: #d7d9ec;
  --accent: #d2caff;

  /* Why (pale lavender panel) theme */
  --why-bg: #F4F1FC;       /* pale lavender */
  --why-ink: #312b86;      /* deep indigo text */
  --why-muted: #5d56b0;    /* supporting text */
  --why-accent: #5a4fd6;   /* accent for dots etc. */

  /* comparison dots */
  --pos-green: #2ECC71;
  --neg-red:   #FF6B6B;

  --df-logo-height: 0px;
  --df-header-vpad: 0px;
  --df-header-solid: var(--bg);

  --df-hero-top-offset: clamp(0rem, 0.6vw, 0.6rem);
  --hero-bottom-gap: 0rem;
}

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
* { box-sizing: border-box; }

body{
  margin:0;
  color:var(--ink);
  background:var(--bg);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  overflow-x:hidden;
}

.df-accent{ color:var(--accent); }
.df-space-2{ margin-top: 2rem; }

/* ==========================================================
   HERO
   ========================================================== */
.hero{
  position:relative; display:grid; place-items:center; min-height:90vh;
  padding:
    calc(var(--df-logo-height, 0px) + (var(--df-header-vpad, 0px) * 2) + var(--df-hero-top-offset))
    3rem
    var(--hero-bottom-gap);
  isolation:isolate; background-color: var(--bg);
}
@media (max-width: 720px){ .hero{ padding-inline: 1.25rem; } }
.hero__media{ position:absolute; inset:0; z-index:-2; overflow:hidden; }
.hero-bg{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:center 30%; opacity:.35; filter:saturate(1.05); background:#000; }
.hero__overlay{ position:absolute; inset:0; z-index:-1;
  background:radial-gradient(1200px 700px at 50% 30%, rgba(0,0,0,.02), rgba(0,0,0,.04) 70%, rgba(0,0,0,.06) 100%); }

.hero__inner{ max-width:1100px; width:100%; text-align:center; }
.df-hero__title{ margin:0; font-weight:750; font-size:clamp(48px, 8.4vw, 90px); line-height:1.08; letter-spacing:-0.01em; overflow:hidden; }

.df-hero-line{
  display:inline-block; transform: translateX(-120%); opacity: 0;
  animation: dfHeroSlideIn 1.45s cubic-bezier(.2,.85,.25,1) forwards;
}
.df-hero-line:nth-of-type(1){ animation-delay: 0ms; }
.df-hero-line:nth-of-type(2){ animation-delay: 260ms; }
.df-hero-line:nth-of-type(3){ animation-delay: 520ms; }
@keyframes dfHeroSlideIn{ to{ transform: translateX(0); opacity:1; } }

.df-dots{ display:flex; justify-content:center; align-items:center; gap: clamp(12px, 1.6vw, 20px); margin: clamp(18px, 2.6vw, 28px) 0 clamp(14px, 5vw, 22px); pointer-events: none; }
.df-dot{ width: clamp(14px, 1.9vw, 22px); height: clamp(14px, 1.9vw, 22px); border-radius: 50%; background: #fff; opacity:1;
  animation: dfBounceInStrong .9s cubic-bezier(.2,.8,.25,1) forwards; }
.df-dot:nth-child(1){ animation-delay: .08s; }
.df-dot:nth-child(2){ animation-delay: .16s; }
.df-dot:nth-child(3){ animation-delay: .24s; }
.df-dot:nth-child(4){ animation-delay: .32s; }
.df-dot:nth-child(5){ animation-delay: .40s; }
.df-dot:nth-child(6){ animation-delay: .48s; }
@keyframes dfBounceInStrong{
  0% { transform: translateY(-60px) scale(.98); }
  55%{ transform: translateY(30px)  scale(1.02); }
  75%{ transform: translateY(-20px) scale(.995); }
  100%{ transform: translateY(0)     scale(1); }
}

.hero__cta{ display:flex; justify-content:center; margin-top: 3.2rem; }
.btn{ display:inline-block; font-weight: 650; }
.hero__cta a.btn.btn--ghost{
  padding: .95rem 1.25rem; border-radius: .95rem;
  background: rgba(255,255,255,0.18); border: 1.5px solid rgba(255,255,255,0.40); color: #ffffff; text-decoration: none;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  transition: background-color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease, backdrop-filter .25s ease;
}
.hero__cta a.btn.btn--ghost:hover,
.hero__cta a.btn.btn--ghost:focus{
  background: rgba(255,255,255,0.28); border-color: rgba(255,255,255,0.55);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.30), inset 0 1px 0 rgba(255,255,255,0.25);
  transform: translateY(-1px);
}
.hero__cta a.btn.btn--ghost:focus-visible{ outline: 2px solid rgba(255,255,255,0.85); outline-offset: 2px; }

.df-scroll-arrow{ display:inline-grid; place-items:center; width: clamp(64px, 7vw, 86px); height: clamp(64px, 7vw, 86px); margin: 1.35rem auto 0;
  border-radius: 999px; background: rgba(255,255,255,0.10); border: 1px solid rgba(255,255,255,0.25); position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.18);
  cursor: pointer; color: rgba(255,255,255,0.92); }
.df-scroll-arrow::after{ content:""; position:absolute; inset:0; border-radius:inherit; border: 1px solid rgba(255,255,255,0.30); animation: dfArrowPulse 1.9s ease-out infinite; }
.df-scroll-arrow__icon{ width: clamp(28px, 3.2vw, 42px); height: clamp(28px, 3.2vw, 42px); animation: dfArrowBounce 1.25s ease-in-out infinite; }
@keyframes dfArrowBounce{ 0%, 100% { transform: translateY(-3px); } 50% { transform: translateY(10px); } }
@keyframes dfArrowPulse{ 0% { transform: scale(1); opacity:.45; } 70% { transform: scale(1.55); opacity:0; } 100% { transform: scale(1.55); opacity:0; } }

/* ==========================================================
   VISION
   ========================================================== */
.df-vision{ background: var(--df-header-solid); margin-top:0; padding-top: 2rem; padding-bottom: clamp(4rem, 7vw, 7rem); width:100%; }
.df-vision__inner{ max-width: 950px; margin: 0 auto; text-align: center; padding-inline: 1rem; }
.df-vision__title{ margin: 0; font-weight: 850; font-size: clamp(40px, 7vw, 82px); line-height: 1.12; letter-spacing: -0.01em; overflow: hidden; }
.df-vision-line{ display:inline-block; transform: translateX(120%); opacity: 0; }
.df-vision.is-visible .df-vision-line{ animation: dfVisionSlideIn .95s cubic-bezier(.2,.85,.25,1) forwards; }
.df-vision.is-visible .df-vision-line:nth-of-type(1){ animation-delay: 0ms; }
.df-vision.is-visible .df-vision-line:nth-of-type(2){ animation-delay: 200ms; }
.df-vision.is-visible .df-vision-line:nth-of-type(3){ animation-delay: 400ms; }
@keyframes dfVisionSlideIn{ to{ transform: translateX(0); opacity:1; } }

.df-vision__primary{ max-width: 920px; margin-inline:auto; color: #eef0fb; font-size: clamp(20px, 2.4vw, 26px); line-height: 1.85; }
.df-vision__primary p{ margin: 0 0 1.6rem; }
.df-vision__lead{ font-weight: 750; font-size: clamp(22px, 2.8vw, 30px); line-height: 1.6; color: #ffffff; }

/* ==========================================================
   WHY (pale lavender panel) + reveal
   ========================================================== */
.df-why{ padding-inline: 0; }
.df-why__inner{
  background: var(--why-bg); color: var(--why-ink);
  border-radius: 14px; padding: clamp(1.2rem, 3vw, 2rem);
  box-shadow: 0 8px 24px rgba(18, 14, 62, 0.18);

  /* reveal base */
  opacity: 0; transform: translateY(24px);
  transition: opacity .95s cubic-bezier(.2,.85,.25,1), transform .95s cubic-bezier(.2,.85,.25,1);
}
.df-why.is-visible .df-why__inner{ opacity: 1; transform: translateY(0); }

.df-why__lead{ color: var(--why-ink); }
.df-why .df-synth-sep{ color: var(--why-muted); }
.df-why .df-synth-tail{ color: var(--why-ink); }

/* Match body size inside lavender panel */
.df-why__inner,
.df-why__inner p,
.df-why__inner .df-synth-list,
.df-why__inner .df-synth-item,
.df-why__inner .df-synth-line,
.df-why__inner .df-synth-lead,
.df-why__inner .df-synth-tail{
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.85;
}

/* Synth list structure */
.df-synth-list{ list-style:none; padding:0; margin:1.6rem auto 0; max-width: 880px; text-align:left; }
.df-synth-item{ display:grid; grid-template-columns: 1.05em 1fr; column-gap: 14px; margin-bottom: 1.15rem; line-height: 1.75; }
.df-synth-lead{ font-weight:800; }
.df-synth-dot{ width:14px; height:14px; border-radius:50%; border:2px solid var(--why-accent); background: transparent; align-self:start; margin-top:.35em; }

/* Lavender dots bounce (replay) */
.df-why .df-synth-dot{ transform: translateY(0) scale(.35); opacity: 0; transition: none; border-color: var(--why-accent); }
.df-why .df-synth-dot.bounce{ opacity: 1; background: var(--why-accent); border-color: var(--why-accent);
  animation: dfWhyDotBounce 1.15s cubic-bezier(.2,.8,.25,1) forwards; }
@keyframes dfWhyDotBounce{
  0%   { transform: translateY(-22px) scale(.88); }
  45%  { transform: translateY(8px)   scale(1.08); }
  70%  { transform: translateY(-5px)  scale(.98); }
  100% { transform: translateY(0)     scale(1); }
}

/* ==========================================================
   CHECKLIST
   ========================================================== */
.df-checklist{ text-align:left; }
.df-checklist__title{ margin:0 0 1rem; font-weight:800; font-size: clamp(20px, 2.2vw, 28px); color:#fff; text-align:center; }
.df-checklist__list{ list-style:none; padding:0; margin:0 auto; max-width:880px; }
.df-checklist__item{ display:grid; grid-template-columns: 1.4em 1fr; column-gap:12px; align-items:start; margin:0 0 1rem 0;
  opacity:0; transform: translateY(22px); transition: opacity .95s cubic-bezier(.2,.85,.25,1), transform .95s cubic-bezier(.2,.85,.25,1); }
.df-checklist__item.reveal{ opacity:1; transform: translateY(0); }
.df-checklist__icon{ align-self:start; margin-top:.15em; }
.df-checklist__svg{ width:1.05em; height:1.05em; display:block; }
.df-checklist__ring{ fill:none; stroke: rgba(255,255,255,0.35); stroke-width:2; }
.df-checklist__tick{ fill:none; stroke: var(--accent); stroke-width:2.6; stroke-linecap:round; stroke-linejoin:round; stroke-dasharray:42; stroke-dashoffset:42; transition: stroke-dashoffset .95s cubic-bezier(.2,.85,.25,1); }
.df-checklist__item.reveal .df-checklist__tick{ stroke-dashoffset:0; }
.df-checklist__text{ color:#eef0fb; line-height:1.65; }

/* ==========================================================
   COMPARE (two-column) + reveal
   ========================================================== */
.df-compare{ margin-top: clamp(1.6rem, 3vw, 2.6rem); }

/* 25% wider container vs 950px vision container */
.df-compare__inner{
  display:grid; gap: clamp(16px, 2.2vw, 22px);
  grid-template-columns: 1fr 1fr;
  max-width: 1200px; margin-inline:auto;
  text-align:left;
}
@media (max-width: 820px){ .df-compare__inner{ grid-template-columns: 1fr; } }

.df-compare__col{
  padding: clamp(1.2rem, 2.6vw, 2rem);
  border-radius: 14px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.28);
  box-shadow: 0 10px 26px rgba(0,0,0,0.24);
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;

  /* reveal base */
  opacity: 0; transform: translateY(20px);
  transition: opacity .95s cubic-bezier(.2,.85,.25,1), transform .95s cubic-bezier(.2,.85,.25,1);

  font-size: clamp(20px, 2.4vw, 26px); line-height: 1.85;
}
.df-compare.is-visible .df-compare__col{ opacity:1; transform: translateY(0); }

.df-compare__title{ margin:0 0 .6rem; font-weight:850; color:#fff; font-size: clamp(22px, 2.8vw, 30px); }
.df-compare__list{ list-style:none; padding:0; margin:0; }

.df-compare__row{
  display:grid; grid-template-columns: 1.35em 1fr; column-gap: 12px; margin:.55rem 0; color:#eef0fb;
  /* rows/text static (we animate dots only) */
  opacity:1; transform:none; transition:none;
}

/* New bouncing dots (replay) */
.df-compare__dot{
  width: 0.95em; height: 0.95em; border-radius: 50%;
  align-self:start; margin-top:.35em;
  transform: translateY(0) scale(.35); opacity:0; transition:none;
}
.df-compare__dot--pos{ background: var(--pos-green); }
.df-compare__dot--neg{ background: var(--neg-red);   }
.df-compare__row.popped .df-compare__dot{
  opacity:1; animation: dfCompareDotBounce 1.25s cubic-bezier(.2,.8,.25,1) forwards;
  box-shadow: 0 0 0 6px rgba(255,255,255,0.06);
}
@keyframes dfCompareDotBounce{
  0%   { transform: translateY(-28px) scale(.85); }
  45%  { transform: translateY(10px)  scale(1.08); }
  70%  { transform: translateY(-6px)  scale(.98); }
  100% { transform: translateY(0)     scale(1); }
}

/* ==========================================================
   PRINCIPLE
   ========================================================== */
.df-principle{ margin-top: 3.2rem; display:grid; place-items:center; }
.df-principle__inner{
  width: min(980px, 100%); padding: clamp(1.6rem, 3.2vw, 2.6rem); border-radius:1.4rem;
  background: rgba(255,255,255,0.10); border: 1px solid rgba(255,255,255,0.22);
  box-shadow: 0 18px 60px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.10);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  position: relative; overflow:hidden;
  opacity:0; transform: translateY(26px); transition: opacity .9s ease, transform .9s ease;
}
.df-principle__inner::before{
  content:""; position:absolute; inset:-40% -60%;
  background: linear-gradient(120deg, transparent 35%, rgba(210,202,255,0.22) 50%, transparent 65%);
  transform: translateX(-35%); opacity: 0; pointer-events: none;
}
.df-principle__kicker{ margin:0 0 .85rem; letter-spacing:.16em; text-transform:uppercase; font-weight:750; font-size:.85rem; color: rgba(215,217,236,0.92); }
.df-principle__headline{ margin:0 0 1rem; font-weight:900; letter-spacing:-0.01em; font-size: clamp(28px, 3.2vw, 44px); line-height:1.15; transform: translateX(-22px); opacity:0; }
.df-principle__body{ margin:0; color:#e9ebf6; transform: translateX(-18px); opacity:0; }
.df-principle__emphasis{ font-size: clamp(20px, 2.6vw, 28px); line-height:1.65; font-weight:550; color:#ffffff; }
.df-principle.is-visible .df-principle__inner{ opacity:1; transform: translateY(0); }
.df-principle.is-visible .df-principle__headline{ animation: dfPrincipleIn .95s cubic-bezier(.2,.85,.25,1) forwards; animation-delay:120ms; }
.df-principle.is-visible .df-principle__body{ animation: dfPrincipleIn .95s cubic-bezier(.2,.85,.25,1) forwards; animation-delay:260ms; }
.df-principle.is-visible .df-principle__inner::before{ animation: dfGlowSweep 1.6s ease forwards; animation-delay: 300ms; }
@keyframes dfPrincipleIn{ to{ transform: translateX(0); opacity: 1; } }
@keyframes dfGlowSweep{ 0%{opacity:0; transform: translateX(-35%);} 20%{opacity:1;} 100%{opacity:0; transform: translateX(35%);} }
.df-principle__headline .df-accent{ background: linear-gradient(90deg, #d2caff, #ffffff); -webkit-background-clip:text; background-clip:text; color:transparent; }

/* ==========================================================
   MANIFESTO
   ========================================================== */
.df-manifesto{ margin-top: clamp(2rem, 3.5vw, 3rem); display:grid; place-items:center; }
.df-manifesto__inner{
  width: min(980px, 100%); padding: clamp(1.6rem, 3vw, 2.4rem); border-radius: 1.2rem;
  background: rgba(255,255,255,0.10); border: 1px solid rgba(255,255,255,0.22);
  box-shadow: 0 18px 60px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.10);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  position: relative; overflow:hidden;
}
.df-manifesto__inner::before{
  content:""; position:absolute; inset:-40% -60%;
  background: linear-gradient(120deg, transparent 35%, rgba(210,202,255,0.22) 50%, transparent 65%);
  transform: translateX(-35%); opacity:0; pointer-events:none;
}
.df-manifesto__line{
  margin: 0 0 .6rem; font-size: clamp(18px, 2.2vw, 24px); line-height:1.6; color:#e9ebf6;
  opacity:0; transform: translateY(14px); transition: opacity .95s cubic-bezier(.2,.85,.25,1), transform .95s cubic-bezier(.2,.85,.25,1);
}
.df-manifesto.is-visible .df-manifesto__line{ opacity:1; transform: translateY(0); }
.df-manifesto.is-visible .df-manifesto__line:nth-child(1){ transition-delay: 40ms; }
.df-manifesto.is-visible .df-manifesto__line:nth-child(2){ transition-delay: 140ms; }
.df-manifesto.is-visible .df-manifesto__line:nth-child(3){ transition-delay: 240ms; }
.df-manifesto.is-visible .df-manifesto__line:nth-child(4){ transition-delay: 340ms; }
.df-manifesto.is-visible .df-manifesto__inner::before{ animation: dfManifestoSweep 1.6s ease forwards; animation-delay: 220ms; }
@keyframes dfManifestoSweep{ 0%{opacity:0; transform: translateX(-35%);} 20%{opacity:1;} 100%{opacity:0; transform: translateX(35%);} }

/* ==========================================================
   REDUCED MOTION
   ========================================================== */
@media (prefers-reduced-motion: reduce){
  .df-hero-line,
  .df-dot,
  .df-scroll-arrow__icon,
  .df-scroll-arrow::after,
  .df-vision-line{
    animation: none !important; transform:none !important; opacity:1 !important;
  }

  .df-why__inner,
  .df-principle__inner,
  .df-principle__headline,
  .df-principle__body,
  .df-manifesto__line{