/* ============================================================
   Context — design system v3 "Dopamine+"
   Style: white & airy base + multi-color accents + motion
   Colors: indigo / pink / orange / lime / teal
   Fonts: Unbounded (display) / Manrope (body) / JetBrains Mono
   ============================================================ */

:root {
  --color-bg: #FFFFFF;
  --color-bg-muted: #F7F6FD;
  --color-fg: #171532;
  --color-fg-muted: #5B5872;
  --color-card: #FFFFFF;
  --color-border: #ECEAF6;
  --color-success: #047857;
  --color-error: #DC2626;

  /* dopamine palette */
  --c-indigo: #4F46E5;
  --c-pink: #EC4899;
  --c-orange: #F97316;
  --c-lime: #84CC16;
  --c-lime-text: #4D7C0F;
  --c-teal: #14B8A6;
  --c-teal-text: #0F766E;
  --c-violet: #9333EA;

  --color-primary: var(--c-indigo);

  --grad: linear-gradient(90deg, var(--c-indigo), var(--c-pink), var(--c-orange));

  --font-display: "Unbounded", sans-serif;
  --font-body: "Manrope", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --container: 1160px;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-card: 0 2px 6px rgba(23, 21, 50, 0.04), 0 18px 44px -20px rgba(79, 70, 229, 0.22);
  --transition: 220ms ease;
  --bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-fg);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, p, dl, dd, dt, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--c-pink);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-pink);
  margin-bottom: 1rem;
}

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

.hl--rainbow {
  background: linear-gradient(90deg, var(--c-indigo), var(--c-pink), var(--c-orange), var(--c-teal), var(--c-indigo));
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: rainbow-shift 6s linear infinite;
}
@keyframes rainbow-shift {
  to { background-position: -300% 0; }
}

.hl--marker {
  position: relative;
  white-space: nowrap;
}
.hl--marker::after {
  content: "";
  position: absolute;
  left: -0.15em;
  right: -0.15em;
  bottom: 0.05em;
  height: 0.38em;
  background: linear-gradient(90deg, #BEF264, #5EEAD4);
  border-radius: 4px;
  transform: skew(-12deg);
  z-index: -1;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  max-width: 20ch;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1.2;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition),
              transform var(--bounce), box-shadow var(--transition),
              background-position 400ms ease;
  white-space: nowrap;
}
.btn--lg { padding: 1rem 2rem; font-size: 1rem; }
.btn--primary {
  background-image: linear-gradient(90deg, var(--c-indigo), var(--c-pink), var(--c-orange));
  background-size: 220% 100%;
  background-position: 0% 0;
  color: #fff;
  box-shadow: 0 10px 24px -12px rgba(236, 72, 153, 0.6);
}
.btn--primary:hover {
  background-position: 95% 0;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 30px -12px rgba(236, 72, 153, 0.7);
}
.btn--ghost {
  border-color: var(--color-border);
  color: var(--color-fg);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--c-pink);
  color: var(--c-pink);
  transform: translateY(-3px) rotate(-1deg);
}

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 4px 24px -16px rgba(23, 21, 50, 0.25);
}
.header__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 72px;
}

/* ---------- Logo ---------- */
.logo {
  display: inline-flex;
  align-items: center;
}
.logo__text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  transition: color var(--transition);
}
.logo:hover .logo__text { color: var(--c-indigo); }
.logo__dot {
  color: var(--c-pink);
  animation: dot-blink 2.6s ease-in-out infinite;
}
@keyframes dot-blink {
  0%, 88%, 100% { opacity: 1; }
  94% { opacity: 0.15; }
}

.nav {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
}
.nav__link {
  position: relative;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-fg-muted);
  transition: color var(--transition);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 3px;
  border-radius: 3px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav__link:hover { color: var(--color-fg); }
.nav__link:hover::after { transform: scaleX(1); }

.header__cta { flex-shrink: 0; }

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  margin-left: auto;
}
.burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-fg);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4rem, 10vw, 7.5rem) clamp(4rem, 8vw, 6.5rem);
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  animation: glow-drift 14s ease-in-out infinite alternate;
}
.hero__glow--1 { width: 460px; height: 460px; background: #C7D2FE; top: -160px; right: -100px; }
.hero__glow--2 { width: 400px; height: 400px; background: #FBCFE8; bottom: -170px; left: -120px; animation-delay: -5s; }
.hero__glow--3 { width: 330px; height: 330px; background: #FED7AA; top: 30%; left: 55%; opacity: 0.35; animation-delay: -9s; }
@keyframes glow-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(40px, -30px) scale(1.12); }
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(79, 70, 229, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 70, 229, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 75%);
}

.hero__watermark {
  position: absolute;
  right: -0.08em;
  bottom: -0.22em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(8rem, 18vw, 17rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 2px rgba(79, 70, 229, 0.09);
  user-select: none;
}

/* parallax targets */
.hero [data-depth] { will-change: transform; }
.shape, .sticker, .hero__watermark {
  transform: translate(var(--dx, 0px), var(--dy, 0px)) rotate(var(--rot, 0deg));
}

/* floating decorative shapes — each animates "in character" */
.shape { position: absolute; z-index: 1; }
.shape__inner { display: block; width: 100%; height: 100%; }

/* ring: breathes + radar ripple */
.shape--ring { width: 64px; height: 64px; top: 18%; right: 17%; }
.shape--ring .shape__inner {
  position: relative;
  border: 7px solid var(--c-teal);
  border-radius: 50%;
  opacity: 0.85;
  animation: ring-breathe 3.2s ease-in-out infinite;
}
.shape--ring .shape__inner::after {
  content: "";
  position: absolute;
  inset: -7px;
  border: 3px solid var(--c-teal);
  border-radius: 50%;
  animation: ring-ripple 3.2s ease-out infinite;
}
@keyframes ring-breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}
@keyframes ring-ripple {
  0% { transform: scale(0.7); opacity: 0.9; }
  70%, 100% { transform: scale(1.55); opacity: 0; }
}

/* orange dot: bouncing ball with squash */
.shape--dot { width: 26px; height: 26px; top: 58%; right: 42%; }
.shape--dot .shape__inner {
  background: var(--c-orange);
  border-radius: 50%;
  animation: ball-bounce 1.7s ease-in-out infinite;
}
@keyframes ball-bounce {
  0%, 100% { transform: translateY(-12px) scale(0.95, 1.05); }
  50% { transform: translateY(10px) scale(1.15, 0.8); }
}

/* star: spins & twinkles */
.shape--star { width: 52px; height: 52px; color: var(--c-pink); top: 12%; left: 58%; }
.shape--star svg {
  transform-origin: center;
  animation: star-twinkle 5s ease-in-out infinite;
}
@keyframes star-twinkle {
  0%   { transform: rotate(0deg) scale(1); opacity: 1; }
  25%  { transform: rotate(90deg) scale(0.72); opacity: 0.55; }
  50%  { transform: rotate(180deg) scale(1.18); opacity: 1; }
  75%  { transform: rotate(270deg) scale(0.8); opacity: 0.65; }
  100% { transform: rotate(360deg) scale(1); opacity: 1; }
}

/* squiggle: undulates in place via SMIL path morph — rounded ends stay visible */
.shape--squiggle { width: 130px; color: var(--c-lime); bottom: 22%; right: 16%; }

/* cross: winds up and swings */
.shape--cross { width: 22px; height: 22px; color: var(--c-indigo); bottom: 26%; left: 6%; opacity: 0.7; }
.shape--cross svg {
  transform-origin: center;
  animation: cross-wiggle 2.8s ease-in-out infinite;
}
@keyframes cross-wiggle {
  0%, 100% { transform: rotate(-20deg) scale(1); }
  50% { transform: rotate(20deg) scale(1.2); }
}

/* dots grid: diagonal shimmer — each dot swells in turn */
.shape--dots { width: 56px; height: 56px; color: var(--c-indigo); top: 7%; left: 7%; opacity: 0.5; }
.shape--dots circle {
  transform-box: fill-box;
  transform-origin: center;
  animation: dot-shimmer 2.4s ease-in-out infinite;
}
.shape--dots circle:nth-of-type(1) { animation-delay: 0s; }
.shape--dots circle:nth-of-type(2),
.shape--dots circle:nth-of-type(4) { animation-delay: 0.2s; }
.shape--dots circle:nth-of-type(3),
.shape--dots circle:nth-of-type(5),
.shape--dots circle:nth-of-type(7) { animation-delay: 0.4s; }
.shape--dots circle:nth-of-type(6),
.shape--dots circle:nth-of-type(8) { animation-delay: 0.6s; }
.shape--dots circle:nth-of-type(9) { animation-delay: 0.8s; }
@keyframes dot-shimmer {
  0%, 100% { transform: scale(0.5); opacity: 0.35; }
  40% { transform: scale(1.3); opacity: 1; }
}

/* triangle: squashes down then jumps */
.shape--triangle { width: 30px; height: 30px; color: var(--c-orange); top: 9%; left: 24%; opacity: 0.8; --rot: -14deg; }
.shape--triangle svg {
  transform-origin: 50% 100%;
  animation: tri-jump 2.6s ease-in-out infinite;
}
@keyframes tri-jump {
  0%, 55%, 100% { transform: translateY(0) rotate(0deg) scale(1, 1); }
  15% { transform: translateY(3px) scale(1.2, 0.75); }
  35% { transform: translateY(-14px) rotate(10deg) scale(0.92, 1.1); }
}

/* halfmoon: rocks like a cradle */
.shape--halfmoon { width: 44px; height: 44px; top: 30%; left: 12%; --rot: -14deg; }
.shape--halfmoon .shape__inner {
  background: var(--c-pink);
  border-radius: 44px 44px 0 0;
  height: 50%;
  margin-top: 50%;
  opacity: 0.75;
  transform-origin: 50% 100%;
  animation: moon-rock 3.4s ease-in-out infinite;
}
@keyframes moon-rock {
  0%, 100% { transform: rotate(-16deg); }
  50% { transform: rotate(16deg); }
}

/* plus: pops and twists a quarter turn */
.shape--plus { width: 20px; height: 20px; color: var(--c-teal); bottom: 22%; left: 66%; opacity: 0.7; }
.shape--plus svg {
  transform-origin: center;
  animation: plus-pop 2.6s ease-in-out infinite;
}
@keyframes plus-pop {
  0%, 30% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(90deg) scale(1.35); }
  70% { transform: rotate(90deg) scale(1); }
  100% { transform: rotate(180deg) scale(1); }
}

/* lime dot: soft firefly pulse */
.shape--dot2 { width: 32px; height: 32px; top: 10%; left: 44%; }
.shape--dot2 .shape__inner {
  background: var(--c-lime);
  border-radius: 50%;
  animation: firefly 2.1s ease-in-out infinite;
}
@keyframes firefly {
  0%, 100% { transform: scale(0.55); opacity: 0.45; }
  50% { transform: scale(1.35); opacity: 1; }
}

/* stickers */
.sticker {
  position: absolute;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  box-shadow: 0 8px 20px -8px rgba(23, 21, 50, 0.25);
}
.sticker--code { background: var(--c-indigo); color: #fff; top: 54%; right: 82%; --rot: 7deg; }
.sticker--247  { background: #D9F99D; color: #3F6212; top: 50%; right: 24%; --rot: -6deg; }

.float-a { animation: float-a 7s ease-in-out infinite; }
.float-b { animation: float-b 9s ease-in-out infinite; }
.float-c { animation: float-a 11s ease-in-out infinite reverse; }
.spin-slow { animation: spin 16s linear infinite; }
.spin-slower { animation: spin 14s linear infinite; }

@keyframes float-a {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-18px) rotate(8deg); }
}
@keyframes float-b {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(14px, -14px); }
}
@keyframes spin { to { transform: rotate(360deg); } }

/* stickers float via inner-less trick: apply float keyframes only when no parallax?
   Parallax JS updates --dx/--dy, float classes on stickers would clash — so stickers
   get a gentle CSS bob via box-shadow pulse instead when JS parallax is active. */
.sticker.float-a, .sticker.float-b, .sticker.float-c { animation: none; }

.hero__inner { position: relative; z-index: 2; }

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.125rem, 6vw, 4.25rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 1.75rem;
}
.hero__subtitle {
  max-width: 34rem;
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  color: var(--color-fg-muted);
  margin-bottom: 2.5rem;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(2rem, 6vw, 4.5rem);
}
.stat__value {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  font-weight: 600;
}
.stat:nth-child(1) .stat__value { color: var(--c-indigo); }
.stat:nth-child(2) .stat__value { color: var(--c-pink); }
.stat:nth-child(3) .stat__value { color: var(--c-orange); }
.stat__label {
  margin-top: 0.375rem;
  font-size: 0.9375rem;
  color: var(--color-fg-muted);
}

/* ---------- Crossing marquees ---------- */
.tickers {
  position: relative;
  overflow: hidden;
  padding-block: 2.2rem;
}
.marquee {
  overflow: hidden;
  padding-block: 0.95rem;
  width: 110%;
  margin-left: -5%;
}
.marquee--a {
  background: var(--color-bg);
  border-block: 1px solid var(--color-border);
  transform: rotate(-1.3deg);
}
.marquee--b {
  background: var(--color-fg);
  color: #fff;
  transform: rotate(1.6deg);
  margin-top: -3.4rem;
  box-shadow: 0 14px 34px -18px rgba(23, 21, 50, 0.5);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee__track--reverse { animation-direction: reverse; }
.marquee__group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.marquee__item {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  white-space: nowrap;
  padding-inline: 1.5rem;
}
.marquee__star { font-size: 1.1rem; line-height: 1; }
.star--pink { color: var(--c-pink); }
.star--orange { color: var(--c-orange); }
.star--lime { color: var(--c-lime); }
.star--indigo { color: #818CF8; }
.star--teal { color: var(--c-teal); }

/* shift by exactly one group (4 groups in track) — seamless infinite loop */
@keyframes marquee {
  to { transform: translateX(-25%); }
}

/* ---------- Sections ---------- */
.section { position: relative; padding-block: clamp(4rem, 9vw, 7rem); }
.section--muted { background: var(--color-bg-muted); }
.section > .container { position: relative; }

/* light background doodles (watermark scale) */
.sdeco { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.doodle { position: absolute; display: block; }
.doodle svg { width: 100%; height: auto; display: block; }
.doodle--indigo { color: #E4E2F8; }
.doodle--pink   { color: #FADCEC; }
.doodle--teal   { color: #CBF1EA; }
.doodle--orange { color: #FCE4CE; }
.doodle--lime   { color: #E7F5C8; }
.section--muted .doodle--indigo { color: #DAD7F2; }
.section--muted .doodle--pink   { color: #F4D2E4; }
.section--muted .doodle--lime   { color: #DFF0BC; }

/* ---------- Wavy section dividers ---------- */
.divider {
  position: relative;
  height: clamp(40px, 6vw, 64px);
  overflow: hidden;
}
.divider--to-muted { background: var(--color-bg); }
.divider--to-white { background: var(--color-bg-muted); }
.divider svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.divider__wave--back {
  animation: wave-drift 16s linear infinite;
}
@keyframes wave-drift {
  to { transform: translateX(-720px); }
}
.divider__spark {
  position: absolute;
  top: 8%;
  font-size: 1rem;
  line-height: 1;
  z-index: 1;
  animation: spark-bob 3.4s ease-in-out infinite;
}
@keyframes spark-bob {
  0%, 100% { transform: translateY(0) rotate(0deg) scale(1); opacity: 1; }
  50% { transform: translateY(6px) rotate(45deg) scale(0.8); opacity: 0.6; }
}

/* ---------- Service cards ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--card-accent, var(--c-indigo));
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: transform var(--bounce), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-8px) rotate(-1deg);
  box-shadow: 0 2px 6px rgba(23, 21, 50, 0.04), 0 20px 44px -18px var(--card-glow, rgba(79, 70, 229, 0.35));
}
.card--indigo { --card-accent: var(--c-indigo); --card-glow: rgba(79, 70, 229, 0.35); }
.card--pink   { --card-accent: var(--c-pink);   --card-glow: rgba(236, 72, 153, 0.35); }
.card--orange { --card-accent: var(--c-orange); --card-glow: rgba(249, 115, 22, 0.35); }
.card--lime   { --card-accent: var(--c-lime);   --card-glow: rgba(132, 204, 22, 0.4); }

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  transition: transform var(--bounce);
}
.card:hover .card__icon { transform: rotate(8deg) scale(1.1); }
.card--indigo .card__icon { background: #EEF2FF; color: var(--c-indigo); }
.card--pink .card__icon   { background: #FDF2F8; color: #DB2777; }
.card--orange .card__icon { background: #FFF7ED; color: #EA580C; }
.card--lime .card__icon   { background: #F7FEE7; color: var(--c-lime-text); }

.card__title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}
.card__text {
  font-size: 0.9375rem;
  color: var(--color-fg-muted);
}

/* ---------- Process (expanding service columns) ---------- */
.process__hint {
  color: var(--color-fg-muted);
  margin: -1.5rem 0 2rem;
}
.paccordion {
  display: flex;
  gap: 1.1rem;
  align-items: stretch;
  min-height: 440px;
}
.pcol {
  position: relative;
  flex: 1;
  background: var(--pc-soft);
  border-radius: 24px;
  overflow: hidden;
  transition: flex 750ms cubic-bezier(0.33, 1, 0.68, 1),
              transform 300ms ease, box-shadow 300ms ease,
              background-color 400ms ease;
}
/* open panel: vibrant animated gradient block */
.pcol.is-open {
  flex: 3.2;
  background-image: linear-gradient(140deg, var(--pc-g1), var(--pc-g2), var(--pc-g1));
  background-size: 220% 220%;
  animation: pcol-aurora 10s ease-in-out infinite;
  box-shadow: 0 24px 50px -22px var(--pc-glow);
}
@keyframes pcol-aurora {
  0%, 100% { background-position: 0% 0%; }
  50% { background-position: 100% 100%; }
}

.pcol--orange { --pc-g1: #EA580C; --pc-g2: #DB2777; --pc-glow: rgba(234, 88, 12, 0.6);  --pc-soft: #FFF7ED; --pc-text: #C2410C; }
.pcol--indigo { --pc-g1: #4F46E5; --pc-g2: #9333EA; --pc-glow: rgba(79, 70, 229, 0.6);  --pc-soft: #EEF2FF; --pc-text: #4338CA; }
.pcol--pink   { --pc-g1: #DB2777; --pc-g2: #7E22CE; --pc-glow: rgba(219, 39, 119, 0.6); --pc-soft: #FDF2F8; --pc-text: #BE185D; }
.pcol--teal   { --pc-g1: #0F766E; --pc-g2: #4D7C0F; --pc-glow: rgba(15, 118, 110, 0.6); --pc-soft: #F0FDFA; --pc-text: #0F766E; }

.pcol:not(.is-open):hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px -18px var(--pc-glow);
}

/* toggle = the whole collapsed strip, cross-fades away when opened */
.pcol__toggle {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.6rem 0.6rem;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  opacity: 1;
  transition: opacity 300ms ease;
}
.pcol.is-open .pcol__toggle {
  opacity: 0;
  pointer-events: none;
}
.pcol__label {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--pc-text);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
  flex: 1;
  display: flex;
  align-items: center;
}
.pcol__plus {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #fff;
  color: var(--pc-text);
  box-shadow: 0 6px 14px -6px var(--pc-glow);
  flex-shrink: 0;
  transition: transform 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.pcol:not(.is-open):hover .pcol__plus { transform: rotate(90deg) scale(1.1); }

/* open content: always laid out at full width, fades in over the gradient */
.pcol__panel {
  position: relative;
  height: 100%;
  min-width: 330px;
  padding: 1.7rem 1.8rem 2.5rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 350ms ease, transform 450ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}
.pcol.is-open .pcol__panel {
  opacity: 1;
  transform: none;
  transition-delay: 200ms;
  pointer-events: auto;
}

.pcol__ghost {
  position: absolute;
  top: -0.12em;
  right: 0.05em;
  font-family: var(--font-display);
  font-size: 6.5rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(255, 255, 255, 0.3);
  pointer-events: none;
  user-select: none;
}
.pcol__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 1.4rem;
  max-width: 14ch;
}

/* steps: glass cards, glide in one by one */
.pcol__steps { display: grid; gap: 0.6rem; }
.pcol__step {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 0.85rem 1.05rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 450ms ease, transform 550ms cubic-bezier(0.22, 1, 0.36, 1),
              background-color 250ms ease;
}
.pcol.is-open .pcol__step { opacity: 1; transform: none; }
.pcol.is-open .pcol__step:nth-child(1) { transition-delay: 240ms; }
.pcol.is-open .pcol__step:nth-child(2) { transition-delay: 330ms; }
.pcol.is-open .pcol__step:nth-child(3) { transition-delay: 420ms; }
.pcol.is-open .pcol__step:nth-child(4) { transition-delay: 510ms; }
.pcol__step:hover { background: rgba(255, 255, 255, 0.26); }
.pcol__step strong { color: #fff; font-weight: 800; }

.pcol__mark {
  display: inline-flex;
  width: 15px;
  margin-top: 0.3rem;
  color: rgba(255, 255, 255, 0.95);
  flex-shrink: 0;
}
.pcol__mark svg { width: 100%; height: auto; }

/* service illustration in the open panel — big, faint, tucked in the corner */
.pcol__art {
  position: absolute;
  right: -28px;
  bottom: -34px;
  width: 230px;
  height: 230px;
  color: #fff;
  opacity: 0.14;
  transform: rotate(-8deg);
  pointer-events: none;
  z-index: 0;
}
.pcol__name, .pcol__steps { position: relative; z-index: 1; }

/* ---------- Cases ---------- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.75rem;
}
.case {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--bounce), box-shadow var(--transition);
}
.case:hover {
  transform: translateY(-8px) rotate(-0.5deg);
  box-shadow: var(--shadow-card);
}
.case__cover { aspect-ratio: 5 / 3; overflow: hidden; }
.case__cover svg { width: 100%; height: 100%; transition: transform 600ms ease; }
.case:hover .case__cover svg { transform: scale(1.06) rotate(1deg); }

/* cover scenes come alive on hover */
.case__cover g, .case__cover circle, .case__cover rect, .case__cover path {
  transform-box: fill-box;
  transform-origin: center;
}
.case:hover .cv-drift { animation: cv-drift 4s ease-in-out infinite; }
.case:hover .cv-drift--rev { animation-direction: reverse; }
@keyframes cv-drift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-10px, 8px); }
}

.case:hover .cv1-card, .case:hover .cv2-card { animation: cv-float 2.6s ease-in-out infinite; }
@keyframes cv-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

.case:hover .cv1-bar { transform-origin: left center; animation: cv-bar 1.6s ease-in-out infinite; }
.case:hover .cv1-bar--slow { animation-duration: 2.2s; animation-delay: 0.3s; }
@keyframes cv-bar {
  0%, 100% { transform: scaleX(1); opacity: 1; }
  50% { transform: scaleX(0.55); opacity: 0.6; }
}

.case:hover .cv1-btn { animation: cv-pop 1.3s ease-in-out infinite; }
@keyframes cv-pop {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.18); }
}

.case:hover .cv2-avatar { animation: cv-pop 2s ease-in-out infinite; }
.case:hover .cv2-line {
  stroke-dasharray: 140;
  animation: cv-draw 1.8s ease-in-out infinite;
}
@keyframes cv-draw {
  0% { stroke-dashoffset: 140; }
  60%, 100% { stroke-dashoffset: 0; }
}

.case__cover--3 .cv3-orbit { transform-box: view-box; transform-origin: 50% 50%; }
.case:hover .cv3-orbit { animation: spin 5s linear infinite; }
.case:hover .cv3-core { animation: cv-pop 2.2s ease-in-out infinite; }
.case:hover .cv3-ring { animation: cv-ring 2.2s ease-in-out infinite; }
.case:hover .cv3-ring--in { animation-delay: 0.4s; }
@keyframes cv-ring {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.04); }
}
.case__cover--1 { background: linear-gradient(135deg, #4F46E5, #EC4899); }
.case__cover--2 { background: linear-gradient(135deg, #F97316, #EC4899); }
.case__cover--3 { background: linear-gradient(135deg, #0D9488, #84CC16); }

.case__body { padding: 1.75rem; }
.case__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
}
.tag:nth-child(odd)  { background: #EEF2FF; color: #4338CA; border: 1px solid #E0E7FF; }
.tag:nth-child(even) { background: #FDF2F8; color: #BE185D; border: 1px solid #FBCFE8; }

.case__title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.35;
  margin-bottom: 0.75rem;
}
.case__text {
  font-size: 0.9375rem;
  color: var(--color-fg-muted);
  margin-bottom: 1.25rem;
}
.case__metric {
  font-weight: 800;
  font-size: 1.0625rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}
.case__metric .grad-text { font-family: var(--font-display); font-weight: 600; }

/* ---------- About: bento ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.bento__tile {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-card);
  padding: 2rem 1.9rem;
  transition: transform var(--bounce), box-shadow var(--transition);
}
.bento__tile:hover {
  transform: translateY(-6px) rotate(-0.6deg);
  box-shadow: var(--shadow-card);
}
.bento__tile--main {
  grid-column: span 2;
  background: linear-gradient(135deg, #EEF2FF 0%, #FDF2F8 60%, #FFF7ED 100%);
  border: none;
}
.bento__tile--counter {
  background: var(--color-fg);
  border: none;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.bento__tile--pink   { background: #FDF2F8; border-color: #FBCFE8; }
.bento__tile--orange { background: #FFF7ED; border-color: #FED7AA; }
.bento__tile--lime   { background: #F7FEE7; border-color: #D9F99D; }

.bento__title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.9rem;
  max-width: 22ch;
}
.bento__subtitle {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.bento__text {
  font-size: 0.9375rem;
  color: var(--color-fg-muted);
  max-width: 52ch;
}
.bento__tile--counter .bento__text { color: rgba(255, 255, 255, 0.75); }

.bento__num {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(90deg, #A5B4FC, #F9A8D4, #FDBA74);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.75rem;
}
.bento__label {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.8);
}
.bento__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.tech {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(79, 70, 229, 0.15);
  color: var(--color-fg);
  transition: transform var(--bounce), background-color var(--transition);
}
.bento__tile:hover .tech:nth-child(odd) { transform: rotate(-2deg) translateY(-2px); }
.bento__tile:hover .tech:nth-child(even) { transform: rotate(2deg) translateY(-2px); }

.pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-lime);
  position: relative;
  flex-shrink: 0;
}
.pulse::after {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 2px solid var(--c-lime);
  animation: pulse-ring 1.8s ease-out infinite;
}
@keyframes pulse-ring {
  from { transform: scale(0.5); opacity: 1; }
  to { transform: scale(1.4); opacity: 0; }
}

/* ---------- Contact ---------- */
.contact {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
.contact__lead {
  font-size: 1.125rem;
  color: var(--color-fg-muted);
  margin-bottom: 2rem;
  max-width: 26rem;
}
.contact__links { display: grid; gap: 0.75rem; margin-bottom: 2rem; }
.contact__link {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-fg);
  transition: color var(--transition);
}
.contact__link:hover { color: var(--c-pink); }

.mchips { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.mchip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  transition: transform var(--bounce), box-shadow var(--transition);
}
.mchip:hover { transform: translateY(-3px) rotate(-1.5deg); box-shadow: 0 10px 20px -10px rgba(23, 21, 50, 0.3); }
.mchip--vk   { background: #EFF6FF; color: #0057D9; border: 1px solid #DBEAFE; }
.mchip--max  { background: #F5F3FF; color: #6D28D9; border: 1px solid #EDE9FE; }
.mchip--mail { background: #FDF2F8; color: #BE185D; border: 1px solid #FBCFE8; }

.form {
  position: relative;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  box-shadow: var(--shadow-card);
}
.form::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--grad);
}

/* spinning badge on form corner */
.badge-spin {
  position: absolute;
  top: -44px;
  right: -30px;
  width: 116px;
  height: 116px;
  background: #fff;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  box-shadow: 0 14px 30px -14px rgba(79, 70, 229, 0.4);
  display: grid;
  place-items: center;
  z-index: 2;
}
.badge-spin > svg:first-of-type { position: absolute; inset: 6px; width: auto; height: auto; }
.badge-spin__text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  fill: var(--c-indigo);
}
.badge-spin__bolt {
  width: 30px;
  height: 30px;
  color: var(--c-orange);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form__field { margin-bottom: 1.375rem; }

.form__consent {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-bottom: 1.375rem;
  cursor: pointer;
  user-select: none;
}
.form__checkbox {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.form__checkbox-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 2px solid var(--color-border);
  border-radius: 7px;
  background: #FCFBFF;
  flex-shrink: 0;
  margin-top: 0.1rem;
  transition: background-color var(--transition), border-color var(--transition), transform var(--bounce);
  color: #fff;
}
.form__checkbox-box svg { opacity: 0; transform: scale(0.4); transition: opacity var(--transition), transform var(--bounce); }
.form__consent:hover .form__checkbox-box { border-color: var(--c-pink); }
.form__checkbox:checked + .form__checkbox-box {
  background: var(--grad);
  border-color: transparent;
  transform: scale(1.08);
}
.form__checkbox:checked + .form__checkbox-box svg { opacity: 1; transform: scale(1); }
.form__checkbox:focus-visible + .form__checkbox-box {
  outline: 3px solid var(--c-pink);
  outline-offset: 2px;
}
.form__consent.is-invalid .form__checkbox-box { border-color: var(--color-error); }
.form__consent-text {
  font-size: 0.875rem;
  color: var(--color-fg-muted);
  line-height: 1.5;
}
.form__label {
  display: block;
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}
.form__input {
  width: 100%;
  padding: 0.875rem 1.125rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #FCFBFF;
  font: inherit;
  color: var(--color-fg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form__input::placeholder { color: #9A97B0; }
.form__input:hover { border-color: #F4B8D8; }
.form__input:focus {
  outline: none;
  border-color: var(--c-pink);
  box-shadow: 0 0 0 4px rgba(236, 72, 153, 0.14);
}
.form__input.is-invalid { border-color: var(--color-error); }
.form__input--area { resize: vertical; min-height: 110px; }
.form__submit { width: 100%; }
.form__note {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--color-fg-muted);
  text-align: center;
}
.form__status {
  margin-top: 0.75rem;
  font-weight: 700;
  font-size: 0.9375rem;
  text-align: center;
  min-height: 1.5em;
}
.form__status.is-success { color: var(--color-success); }
.form__status.is-error { color: var(--color-error); }

/* confetti particles */
.confetti {
  position: absolute;
  width: 10px;
  height: 10px;
  pointer-events: none;
  z-index: 10;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: 2.5rem;
  background: var(--color-bg);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem 2.5rem;
}
.footer__nav { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.footer__link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-fg-muted);
  transition: color var(--transition);
}
.footer__link:hover { color: var(--c-pink); }
.footer__copy {
  margin-left: auto;
  font-size: 0.875rem;
  color: var(--color-fg-muted);
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee__track, .hero__glow, .hl--rainbow, .logo__dot, .pulse::after,
  .float-a, .float-b, .float-c, .spin-slow, .spin-slower { animation: none !important; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  /* accordion goes vertical: columns stack, open one grows down */
  .paccordion { flex-direction: column; min-height: 0; }
  .pcol__toggle {
    position: static;
    flex-direction: row;
    justify-content: space-between;
    padding: 1.1rem 1.4rem;
  }
  .pcol__label {
    writing-mode: horizontal-tb;
    transform: none;
    white-space: normal;
    flex: 1;
    display: block;
  }
  .pcol.is-open .pcol__toggle { display: none; }
  .pcol__panel { min-width: 0; height: auto; }
  .pcol:not(.is-open) .pcol__panel { display: none; }
  .pcol:not(.is-open):hover { transform: none; }
  .pcol__ghost { font-size: 5rem; }
  .pcol__panel { padding-bottom: 4.5rem; }
  .pcol__art { width: 72px; height: 72px; opacity: 0.24; }
  .doodle { display: none; }
  .bento { grid-template-columns: 1fr 1fr; }
  .bento__tile--main { grid-column: span 2; }
}

@media (max-width: 900px) {
  .about, .contact { grid-template-columns: 1fr; }
  .footer__copy { margin-left: 0; }
  .shape--squiggle { display: none; }
  .badge-spin { top: -38px; right: 6px; width: 96px; height: 96px; }
}

@media (max-width: 760px) {
  .header__cta { display: none; }
  .burger { display: flex; }
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 1.25rem 1.25rem;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__link { padding: 0.875rem 0; font-size: 1.0625rem; border-bottom: 1px solid var(--color-border); }
  .nav__link::after { display: none; }
  .nav__link:last-child { border-bottom: none; }
  .hero__stats { gap: 1.75rem 2.5rem; }
  .hero__watermark { font-size: 7rem; }
  .shape--ring { width: 44px; height: 44px; right: 6%; }
  .shape--ring .shape__inner { border-width: 5px; }
  .shape--star { width: 36px; height: 36px; left: 74%; top: 8%; }
  .shape--dot, .shape--dot2, .shape--plus, .shape--triangle { display: none; }
  .shape--dots { width: 40px; height: 40px; }
  .sticker--code { top: 28%; right: 5%; }
  .sticker--247 { top: 64%; right: 7%; }
  .marquee--b { margin-top: -3rem; }
  .bento { grid-template-columns: 1fr; }
  .bento__tile--main { grid-column: auto; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
}

/* consent link to /privacy */
.form__consent-link {
  color: var(--c-pink);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.form__consent-link:hover { color: var(--c-indigo); }

/* custom uploaded case cover */
.case__cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 600ms ease;
}
.case:hover .case__cover-img { transform: scale(1.06) rotate(1deg); }