:root {
  --k7-white: #ffffff;
  --k7-ink: #0a0a0f;
  --k7-ink-2: #1e1b2e;
  --k7-muted: #5e5a6f;
  --k7-line: #e8e4f0;
  --k7-line-strong: #d4cce8;
  --k7-violet-950: #2e1065;
  --k7-violet-900: #4c1d95;
  --k7-violet-800: #5b21b6;
  --k7-violet-700: #6d28d9;
  --k7-violet-600: #7c3aed;
  --k7-violet-500: #8b5cf6;
  --k7-indigo: #4f46e5;
  --k7-gradient: linear-gradient(128deg, var(--k7-violet-900) 0%, var(--k7-violet-700) 55%, var(--k7-violet-600) 100%);
  --k7-gradient-deep: linear-gradient(135deg, #2e1065 0%, #5b21b6 50%, #6d28d9 100%);
  --k7-shadow-hard: 6px 6px 0 var(--k7-violet-900);
  --k7-shadow-hard-sm: 4px 4px 0 var(--k7-violet-800);
  --k7-radius: 0;
  --k7-radius-sm: 2px;
  --k7-header-h: 72px;
  --k7-font: "IBM Plex Sans", system-ui, sans-serif;
  --k7-display: "Syne", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--k7-font);
  font-size: 16px;
  color: var(--k7-ink);
  background: var(--k7-white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul { margin: 0; padding: 0; list-style: none; }

.k7-container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

/* ─── Hero backdrop (right column only) ─── */
.k7-hero-bg {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(50%, 620px);
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
  mask-image: linear-gradient(90deg, transparent 0%, #000 28%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 28%);
}

.k7-hero-bg__circles {
  position: absolute;
  inset: 0;
}

.k7-hero-bg__ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(124, 58, 237, 0.13);
}

.k7-hero-bg__ring--1 {
  width: min(58vw, 520px);
  height: min(58vw, 520px);
  top: -10%;
  right: -32%;
  animation: bg-drift 20s ease-in-out infinite;
}

.k7-hero-bg__ring--2 {
  width: min(42vw, 380px);
  height: min(42vw, 380px);
  top: 18%;
  right: -8%;
  border-color: rgba(91, 33, 182, 0.11);
  animation: bg-drift 24s ease-in-out infinite reverse;
}

.k7-hero-bg__ring--3 {
  width: min(28vw, 240px);
  height: min(28vw, 240px);
  top: 48%;
  right: 22%;
  border-color: rgba(196, 181, 253, 0.45);
  animation: bg-drift 18s ease-in-out infinite;
  animation-delay: -4s;
}

.k7-hero-bg__ring--4 {
  width: min(20vw, 170px);
  height: min(20vw, 170px);
  top: 8%;
  right: 28%;
  border-width: 2px;
  border-color: rgba(124, 58, 237, 0.18);
  animation: bg-drift 16s ease-in-out infinite reverse;
  animation-delay: -9s;
}

.k7-hero-bg__ring--5 {
  width: min(36vw, 320px);
  height: min(36vw, 320px);
  top: 58%;
  right: -18%;
  border-color: rgba(109, 40, 217, 0.09);
  animation: bg-drift 26s ease-in-out infinite;
  animation-delay: -12s;
}

.k7-hero-bg__ring--6 {
  width: min(14vw, 110px);
  height: min(14vw, 110px);
  top: 36%;
  right: 6%;
  border-color: rgba(167, 139, 250, 0.5);
  animation: bg-drift 14s ease-in-out infinite reverse;
  animation-delay: -2s;
}

.k7-hero-bg__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(48px);
}

.k7-hero-bg__blob--1 {
  width: 240px;
  height: 240px;
  top: 10%;
  right: 12%;
  background: rgba(196, 181, 253, 0.34);
  animation: bg-pulse 13s ease-in-out infinite;
}

.k7-hero-bg__blob--2 {
  width: 180px;
  height: 180px;
  top: 52%;
  right: 32%;
  background: rgba(124, 58, 237, 0.16);
  animation: bg-pulse 17s ease-in-out infinite reverse;
  animation-delay: -5s;
}

.k7-hero-bg__waves {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: min(46%, 240px);
}

.k7-hero-bg__wave--1 {
  fill: #ede9fe;
  opacity: 0.92;
  animation: bg-wave 14s ease-in-out infinite;
}

.k7-hero-bg__wave--2 {
  fill: #e4dbff;
  opacity: 0.68;
  animation: bg-wave 18s ease-in-out infinite reverse;
}

.k7-hero-bg__wave--3 {
  fill: #f0ecff;
  opacity: 0.42;
  animation: bg-wave 22s ease-in-out infinite;
  animation-delay: -6s;
}

@keyframes bg-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-10px, 8px) scale(1.02); }
}

@keyframes bg-pulse {
  0%, 100% { transform: scale(1); opacity: 0.38; }
  50% { transform: scale(1.08); opacity: 0.55; }
}

@keyframes bg-wave {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-1.5%); }
}

@media (prefers-reduced-motion: reduce) {
  .k7-hero-bg__ring,
  .k7-hero-bg__blob,
  .k7-hero-bg__wave--1,
  .k7-hero-bg__wave--2,
  .k7-hero-bg__wave--3,
  .k7-modes-bg__orb,
  .k7-modes-marquee__track,
  .k7-modes-headline__pill.k7-is-swapping {
    animation: none !important;
  }
}

/* ─── Header ─── */
.k7-site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--k7-header-h);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 2px solid var(--k7-ink);
  backdrop-filter: blur(8px);
}

.k7-site-header.k7-is-scrolled {
  box-shadow: 0 4px 0 var(--k7-violet-900);
}

.k7-header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.k7-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--k7-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.k7-logo-brand {
  width: auto;
  height: 38px;
  flex-shrink: 0;
  display: block;
  overflow: visible;
}

.k7-nav {
  display: flex;
  gap: 32px;
  margin-left: auto;
}

.k7-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--k7-muted);
  letter-spacing: 0.01em;
  transition: color 0.15s;
}

.k7-nav a:hover { color: var(--k7-violet-800); }

.k7-header-actions {
  display: flex;
  gap: 8px;
}

.k7-burger {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  border: 2px solid var(--k7-ink);
}

.k7-burger span {
  width: 20px;
  height: 2px;
  background: var(--k7-ink);
}

/* ─── Buttons ─── */
.k7-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 2px solid transparent;
  transition: transform 0.15s, box-shadow 0.15s;
}

.k7-btn:hover { transform: translate(-2px, -2px); }

.k7-btn-primary {
  color: #fff;
  background: var(--k7-gradient);
  border-color: var(--k7-violet-900);
  box-shadow: var(--k7-shadow-hard-sm);
}

.k7-btn-primary:hover {
  box-shadow: 8px 8px 0 var(--k7-violet-900);
}

.k7-btn-ghost {
  color: var(--k7-violet-800);
  background: var(--k7-white);
  border-color: var(--k7-line-strong);
}

.k7-btn-ghost:hover {
  border-color: var(--k7-violet-700);
  box-shadow: var(--k7-shadow-hard-sm);
}

.k7-btn-outline {
  color: var(--k7-ink);
  background: var(--k7-white);
  border: 2px solid var(--k7-ink);
}

.k7-btn-outline:hover {
  background: var(--k7-violet-950);
  color: #fff;
  border-color: var(--k7-violet-950);
}

.k7-btn-lg { padding: 15px 28px; font-size: 0.95rem; }
.k7-btn-block { width: 100%; }

/* ─── Sections ─── */
.k7-section {
  position: relative;
  z-index: 1;
  padding: 96px 0;
}

.k7-section-alt {
  background: var(--k7-white);
  border-top: 2px solid var(--k7-line);
  border-bottom: 2px solid var(--k7-line);
}

.k7-section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.k7-section-head h2 {
  margin: 0 0 16px;
  font-family: var(--k7-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  text-transform: uppercase;
}

.k7-section-head p {
  margin: 0;
  color: var(--k7-muted);
  font-size: 1.05rem;
  max-width: 52ch;
}

/* ─── Hero ─── */
.k7-hero {
  position: relative;
  overflow: hidden;
  padding-top: 56px;
  padding-bottom: 56px;
  border-bottom: none;
}

.k7-section-modes {
  position: relative;
  padding-top: 80px;
  padding-bottom: 72px;
  border-top: 2px solid var(--k7-ink);
  overflow: hidden;
}

.k7-modes-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.k7-modes-bg__orb {
  position: absolute;
  top: 10%;
  right: -8%;
  width: min(520px, 70vw);
  height: min(520px, 70vw);
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--mode-color, #7c3aed) 28%, transparent) 0%, transparent 68%);
  filter: blur(8px);
  transition: background 0.55s ease;
  animation: modesOrbFloat 8s ease-in-out infinite;
}

.k7-modes-bg__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(91, 33, 182, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 33, 182, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 92%);
}

@keyframes modesOrbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-24px, 18px) scale(1.06); }
}

.k7-modes-wrap {
  position: relative;
  z-index: 1;
}

.k7-modes-kicker {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--k7-violet-800);
  border: 2px solid var(--k7-violet-800);
  background: var(--k7-white);
}

.k7-modes-headline {
  margin: 0 0 16px;
  font-family: var(--k7-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.k7-modes-headline__pill {
  display: inline-block;
  padding: 4px 16px 6px;
  color: var(--mode-color, var(--k7-violet-700));
  background: color-mix(in srgb, var(--mode-color, #7c3aed) 12%, #fff);
  border: 2px solid color-mix(in srgb, var(--mode-color, #7c3aed) 45%, #fff);
  box-shadow: 4px 4px 0 color-mix(in srgb, var(--mode-color, #7c3aed) 35%, transparent);
}

.k7-modes-headline__pill.k7-is-swapping {
  animation: modePillPop 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes modePillPop {
  from { opacity: 0; transform: translateY(10px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.k7-modes-lead {
  margin: 0 0 28px;
  max-width: 52ch;
  font-size: 1.05rem;
  color: var(--k7-muted);
  line-height: 1.55;
}

.k7-modes-lead strong {
  color: var(--k7-ink);
}

.k7-modes-flow,
ol.k7-modes-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  margin: 0 0 40px;
  padding: 0;
  list-style: none;
}

.k7-modes-flow li,
.k7-modes-flow [role="listitem"] {
  list-style: none;
}

.k7-modes-flow li::marker,
.k7-modes-flow [role="listitem"]::marker {
  content: none;
}

.k7-modes-flow__arrow {
  display: none;
}

.k7-modes-flow__step {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 2px solid var(--k7-line);
  background: var(--k7-white);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.k7-modes-flow__step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
  color: var(--k7-violet-600);
  pointer-events: none;
}

.k7-modes-flow__step.k7-is-active {
  border-color: var(--k7-violet-700);
  box-shadow: var(--k7-shadow-hard-sm);
  transform: translateY(-2px);
}

.k7-modes-flow__num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-size: 0.75rem;
  font-weight: 800;
  color: #fff;
  background: var(--k7-gradient);
}

.k7-modes-flow__text {
  font-size: 0.88rem;
  font-weight: 600;
}


.k7-modes-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 28px;
  align-items: start;
  margin-bottom: 28px;
}

.k7-modes-preview {
  border: 2px solid var(--k7-ink);
  background: #0d0d0d;
  box-shadow: 10px 10px 0 var(--k7-violet-900);
  overflow: hidden;
  transition: box-shadow 0.4s ease;
}

.k7-modes-preview.k7-is-live {
  box-shadow: 10px 10px 0 color-mix(in srgb, var(--mode-color, #7c3aed) 55%, var(--k7-violet-900));
}

.k7-modes-preview__chrome {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: #171717;
  border-bottom: 1px solid #2f2f2f;
}

.k7-modes-preview__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #3f3f3f;
}

.k7-modes-preview__dot:first-child { background: #ef4444; }
.k7-modes-preview__dot:nth-child(2) { background: #eab308; }
.k7-modes-preview__dot:nth-child(3) { background: #22c55e; }

.k7-modes-preview__url {
  margin-left: 8px;
  font-size: 0.72rem;
  color: #9b9b9b;
}

.k7-modes-preview__body {
  display: grid;
  grid-template-columns: 132px 1fr;
  min-height: 280px;
}

.k7-modes-preview__sidebar {
  padding: 12px 10px;
  border-right: 1px solid #2f2f2f;
  background: #0d0d0d;
}

.k7-modes-preview__new {
  margin-bottom: 10px;
  padding: 8px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #ececec;
  border: 1px dashed #3f3f3f;
  border-radius: 8px;
}

.k7-modes-preview__chat-item {
  padding: 8px 10px;
  border-radius: 8px;
}

.k7-modes-preview__chat-item.k7-is-active {
  background: #212121;
}

.k7-modes-preview__chat-title {
  display: block;
  font-size: 0.72rem;
  color: #ececec;
  margin-bottom: 6px;
}

.k7-modes-preview__badge {
  display: inline-block;
  max-width: 100%;
  padding: 2px 7px;
  font-size: 0.58rem;
  font-weight: 700;
  color: var(--mode-color, #9b9b9b);
  background: color-mix(in srgb, var(--mode-color, #9b9b9b) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--mode-color, #9b9b9b) 40%, transparent);
  border-radius: 999px;
  transition: color 0.35s, background 0.35s, border-color 0.35s;
}

.k7-modes-preview__main {
  position: relative;
  padding: 16px;
  background: #0d0d0d;
}

.k7-modes-preview__picker {
  animation: modesFadeIn 0.4s ease;
}

.k7-modes-preview__picker.k7-is-out {
  animation: modesFadeOut 0.35s ease forwards;
}

.k7-modes-preview__picker-title {
  margin: 0 0 12px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #ececec;
}

.k7-modes-preview__picker-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.k7-modes-preview__picker-card {
  padding: 10px;
  font-size: 0.68rem;
  font-weight: 600;
  color: #ececec;
  background: #171717;
  border: 1px solid #2f2f2f;
  border-radius: 10px;
  box-shadow: inset 3px 0 0 var(--mode-color, #7c3aed);
}

.k7-modes-preview__picker-card.k7-is-pick {
  animation: modePickFlash 0.5s ease;
  border-color: var(--mode-color, #7c3aed);
  background: color-mix(in srgb, var(--mode-color, #7c3aed) 14%, #171717);
}

@keyframes modePickFlash {
  0% { transform: scale(1); }
  40% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

.k7-modes-preview__chat {
  animation: modesFadeIn 0.45s ease;
}

.k7-modes-preview__chat[hidden] {
  display: none !important;
}

.k7-modes-preview__msg {
  max-width: 92%;
  margin-bottom: 16px;
  padding: 12px 14px;
  font-size: 0.8rem;
  line-height: 1.5;
  border-radius: 12px;
}

.k7-modes-preview__msg--ai {
  color: #ececec;
  background: #212121;
  border: 1px solid #2f2f2f;
  animation: modeMsgIn 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes modeMsgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.k7-modes-preview__composer {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding: 10px 12px;
  background: #171717;
  border: 1px solid #2f2f2f;
  border-radius: 14px;
}

.k7-modes-preview__input {
  flex: 1;
  font-size: 0.72rem;
  color: #9b9b9b;
}

.k7-modes-preview__send {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #ececec;
}

.k7-modes-picker {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 340px;
  overflow-y: auto;
  padding-right: 4px;
}

.k7-modes-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  text-align: left;
  background: var(--k7-white);
  border: 2px solid var(--k7-line);
  transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s, background 0.25s;
}

.k7-modes-chip:hover,
.k7-modes-chip:focus-visible {
  border-color: color-mix(in srgb, var(--mode-color, #7c3aed) 50%, var(--k7-line));
  outline: none;
}

.k7-modes-chip.k7-is-active {
  border-color: var(--mode-color, var(--k7-violet-700));
  background: color-mix(in srgb, var(--mode-color, #7c3aed) 8%, #fff);
  box-shadow: 4px 4px 0 color-mix(in srgb, var(--mode-color, #7c3aed) 30%, transparent);
  transform: translateX(4px);
}

.k7-modes-chip__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mode-color, var(--k7-muted));
  flex-shrink: 0;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--mode-color, #7c3aed) 18%, transparent);
}

.k7-modes-chip__label {
  font-size: 0.9rem;
  font-weight: 600;
}

.k7-modes-marquee {
  margin-bottom: 20px;
  padding: 14px 0;
  border-block: 2px solid var(--k7-ink);
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.k7-modes-marquee__track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: modesMarquee 36s linear infinite;
}

.k7-modes-marquee__item {
  flex-shrink: 0;
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--mode-color, var(--k7-ink));
  background: color-mix(in srgb, var(--mode-color, #7c3aed) 10%, #fff);
  border: 2px solid color-mix(in srgb, var(--mode-color, #7c3aed) 35%, #fff);
}

@keyframes modesMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes modesFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modesFadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

.k7-modes-note {
  margin: 0 0 24px;
  font-size: 0.92rem;
  color: var(--k7-muted);
  text-align: center;
}

.k7-modes-cta {
  display: flex;
  justify-content: center;
}

.k7-section-features {
  padding-top: 64px;
  border-top: 2px solid var(--k7-ink);
}

.k7-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.k7-hero-copy {
  position: relative;
  z-index: 1;
}

.k7-hero-tag {
  display: inline-block;
  margin: 0 0 24px;
  padding: 6px 12px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--k7-violet-800);
  border: 2px solid var(--k7-violet-800);
  background: var(--k7-white);
}

.k7-hero h1 {
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.k7-brand {
  font-family: var(--k7-display);
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  text-transform: none;
  background: var(--k7-gradient-deep);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.k7-hero-line {
  font-family: var(--k7-display);
  font-size: clamp(1.25rem, 2.8vw, 1.85rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--k7-ink);
  max-width: 28ch;
}

.k7-hero-sub {
  margin: 16px 0 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--k7-ink-2);
  max-width: 46ch;
}

.k7-hero-formats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 24px;
  margin: 0 0 28px;
}

.k7-hero-formats li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--k7-ink-2);
}

.k7-hero-formats__mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  color: #fff;
  background: var(--k7-gradient);
  flex-shrink: 0;
}

.k7-hero-formats__mark svg {
  display: block;
}

.k7-lead {
  margin: 0 0 32px;
  font-size: 1.1rem;
  color: var(--k7-muted);
  max-width: 46ch;
}

.k7-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.k7-hero-modes-block {
  margin-bottom: 8px;
}

.k7-hero-modes__lead {
  margin: 0 0 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--k7-muted);
  line-height: 1.4;
}

.k7-hero-modes__new {
  font-weight: 800;
  color: var(--k7-violet-700);
}

.k7-hero-modes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.k7-hero-modes__tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  font-size: clamp(0.68rem, 1.2vw, 0.78rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  white-space: nowrap;
  color: color-mix(in srgb, var(--mode-color, #7c3aed) 72%, var(--k7-ink));
  background: color-mix(in srgb, var(--mode-color, #7c3aed) 14%, #fff);
  border: 1.5px solid color-mix(in srgb, var(--mode-color, #7c3aed) 32%, transparent);
  border-radius: 999px;
}

.k7-hero-stats {
  display: flex;
  gap: 0;
  border: 2px solid var(--k7-ink);
}

.k7-hero-stats li {
  flex: 1;
  padding: 16px 14px;
  border-right: 2px solid var(--k7-ink);
  background: var(--k7-white);
  text-align: center;
}

.k7-hero-stats li:last-child { border-right: none; }

.k7-hero-stats .k7-stat-n {
  display: block;
  font-family: var(--k7-display);
  font-size: clamp(0.9rem, 2.2vw, 1.08rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--k7-violet-800);
  line-height: 1.2;
  margin-bottom: 0;
}

.k7-stat-l {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--k7-muted);
}

/* ─── Hero abstract demo ─── */
.k7-hero-demo {
  border: 2px solid var(--k7-ink);
  background: var(--k7-white);
  box-shadow: 12px 12px 0 var(--k7-violet-900);
  overflow: hidden;
}

.k7-hero-demo__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 2px solid var(--k7-ink);
  background: #faf8ff;
}

.k7-hero-demo__badge {
  padding: 4px 10px;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--k7-violet-800);
  background: var(--k7-white);
  border: 2px solid var(--k7-violet-800);
}

.k7-hero-demo__title {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--k7-ink-2);
}

.k7-hero-demo__tabs {
  display: flex;
  border-bottom: 2px solid var(--k7-ink);
}

.k7-hero-demo__tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--k7-muted);
  background: var(--k7-white);
  border: none;
  border-right: 2px solid var(--k7-ink);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.k7-hero-demo__tab:last-child { border-right: none; }

.k7-hero-demo__tab svg { flex-shrink: 0; opacity: 0.7; }

.k7-hero-demo__tab:hover {
  color: var(--k7-violet-800);
  background: #faf8ff;
}

.k7-hero-demo__tab.k7-is-active {
  color: #fff;
  background: var(--k7-gradient);
}

.k7-hero-demo__tab.k7-is-active svg { opacity: 1; }

.k7-hero-demo__tab:focus-visible {
  outline: 2px solid var(--k7-violet-600);
  outline-offset: -2px;
}

.k7-hero-demo__stage {
  position: relative;
  padding: 20px 16px 14px;
  min-height: 220px;
  background: rgba(255, 255, 255, 0.72);
}

.k7-hero-demo__ambient {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.k7-hero-demo__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(28px);
  opacity: 0.35;
  animation: demo-orb 8s ease-in-out infinite;
}

.k7-hero-demo__orb--1 {
  width: 90px;
  height: 90px;
  top: -20px;
  right: 10%;
  background: #c4b5fd;
}

.k7-hero-demo__orb--2 {
  width: 70px;
  height: 70px;
  bottom: 10%;
  left: 5%;
  background: #7c3aed;
  animation-delay: -3s;
}

.k7-hero-demo__orb--3 {
  width: 50px;
  height: 50px;
  top: 40%;
  left: 45%;
  background: #ddd6fe;
  animation-delay: -5s;
}

@keyframes demo-orb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(12px, -8px) scale(1.12); }
}

.k7-hero-demo__pipeline {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto 52px auto 1fr;
  gap: 6px;
  align-items: center;
}

.k7-hero-demo__slot {
  display: grid;
  gap: 8px;
  min-height: 108px;
  padding: 10px;
  border: 2px solid var(--k7-line-strong);
  background: rgba(255, 255, 255, 0.85);
}

.k7-hero-demo__slot--out {
  border-left: 4px solid var(--k7-violet-700);
}

.k7-hero-demo__slot-label {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--k7-muted);
}

.k7-hero-demo__slot-label--ai { color: var(--k7-violet-800); }

.k7-hero-demo__viz {
  display: grid;
  place-items: center;
  min-height: 72px;
}

.k7-hero-demo__viz .k7-ab { display: none; width: 100%; }

.k7-hero-demo[data-mode="text"] .k7-ab[data-for="text"],
.k7-hero-demo[data-mode="image"] .k7-ab[data-for="image"],
.k7-hero-demo[data-mode="video"] .k7-ab[data-for="video"] {
  display: grid;
}

/* abstract: text */
.k7-ab--text.k7-ab--in { gap: 7px; }

.k7-ab-line {
  display: block;
  height: 6px;
  width: var(--w, 80%);
  border-radius: 2px;
  background: #e5e7eb;
  transform-origin: left;
  transform: scaleX(0);
}

.k7-hero-demo.k7-is-playing .k7-ab-line {
  animation: demo-line-in 0.45s ease forwards;
}

.k7-hero-demo.k7-is-playing .k7-ab-line:nth-child(1) { animation-delay: 0.15s; }
.k7-hero-demo.k7-is-playing .k7-ab-line:nth-child(2) { animation-delay: 0.28s; }
.k7-hero-demo.k7-is-playing .k7-ab-line:nth-child(3) { animation-delay: 0.41s; }
.k7-hero-demo.k7-is-playing .k7-ab-line:nth-child(4) { animation-delay: 0.54s; }

@keyframes demo-line-in {
  to { transform: scaleX(1); background: #c4b5fd; }
}

.k7-ab--text.k7-ab--out { gap: 8px; align-content: start; }

.k7-ab-block {
  display: flex;
  gap: 5px;
  opacity: 0;
  transform: translateY(6px);
}

.k7-hero-demo.k7-is-playing .k7-ab-block {
  animation: demo-block-in 0.4s ease forwards;
}

.k7-hero-demo.k7-is-playing .k7-ab-block:nth-child(1) { animation-delay: 1.1s; }
.k7-hero-demo.k7-is-playing .k7-ab-block:nth-child(2) { animation-delay: 1.35s; }
.k7-hero-demo.k7-is-playing .k7-ab-block:nth-child(3) { animation-delay: 1.55s; }

.k7-ab-block i {
  display: block;
  height: 5px;
  flex: 1;
  background: var(--k7-gradient);
  border-radius: 1px;
}

.k7-ab-block--short i { max-width: 40%; }

@keyframes demo-block-in {
  to { opacity: 1; transform: translateY(0); }
}

/* abstract: image */
.k7-ab--image.k7-ab--in {
  place-items: center;
  position: relative;
  min-height: 64px;
}

.k7-ab-frame {
  width: 56px;
  height: 40px;
  border: 2px dashed var(--k7-violet-600);
  opacity: 0;
  transform: scale(0.85);
}

.k7-hero-demo.k7-is-playing .k7-ab-frame {
  animation: demo-frame-in 0.5s ease 0.2s forwards;
}

.k7-ab-frame-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--k7-violet-700);
  opacity: 0;
}

.k7-hero-demo.k7-is-playing .k7-ab-frame-dot {
  animation: demo-dot-pop 0.35s ease 0.65s forwards;
}

@keyframes demo-frame-in {
  to { opacity: 1; transform: scale(1); }
}

@keyframes demo-dot-pop {
  to { opacity: 1; transform: scale(1.2); }
}

.k7-ab--image.k7-ab--out {
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  max-width: 88px;
}

.k7-ab-pixel {
  aspect-ratio: 1;
  background: #ede9fe;
  opacity: 0;
  transform: scale(0.6);
}

.k7-hero-demo.k7-is-playing .k7-ab-pixel {
  animation: demo-pixel-in 0.35s ease forwards;
}

.k7-hero-demo.k7-is-playing .k7-ab-pixel:nth-child(1) { animation-delay: 1.05s; }
.k7-hero-demo.k7-is-playing .k7-ab-pixel:nth-child(2) { animation-delay: 1.12s; }
.k7-hero-demo.k7-is-playing .k7-ab-pixel:nth-child(3) { animation-delay: 1.19s; }
.k7-hero-demo.k7-is-playing .k7-ab-pixel:nth-child(4) { animation-delay: 1.26s; }
.k7-hero-demo.k7-is-playing .k7-ab-pixel:nth-child(5) { animation-delay: 1.15s; }
.k7-hero-demo.k7-is-playing .k7-ab-pixel:nth-child(6) { animation-delay: 1.22s; }
.k7-hero-demo.k7-is-playing .k7-ab-pixel:nth-child(7) { animation-delay: 1.29s; }
.k7-hero-demo.k7-is-playing .k7-ab-pixel:nth-child(8) { animation-delay: 1.36s; }
.k7-hero-demo.k7-is-playing .k7-ab-pixel:nth-child(9) { animation-delay: 1.18s; }
.k7-hero-demo.k7-is-playing .k7-ab-pixel:nth-child(10) { animation-delay: 1.25s; }
.k7-hero-demo.k7-is-playing .k7-ab-pixel:nth-child(11) { animation-delay: 1.32s; }
.k7-hero-demo.k7-is-playing .k7-ab-pixel:nth-child(12) { animation-delay: 1.4s; }

.k7-ab-pixel:nth-child(3n) { background: #a78bfa; }
.k7-ab-pixel:nth-child(4n) { background: #7c3aed; }
.k7-ab-pixel:nth-child(5n) { background: #c4b5fd; }

@keyframes demo-pixel-in {
  to { opacity: 1; transform: scale(1); }
}

/* abstract: video */
.k7-ab--video.k7-ab--in {
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  max-width: 90px;
}

.k7-ab-story {
  aspect-ratio: 9 / 14;
  border: 2px solid #d1d5db;
  background: #f9fafb;
  opacity: 0;
  transform: translateY(8px);
}

.k7-hero-demo.k7-is-playing .k7-ab-story {
  animation: demo-story-in 0.4s ease forwards;
}

.k7-hero-demo.k7-is-playing .k7-ab-story:nth-child(1) { animation-delay: 0.12s; }
.k7-hero-demo.k7-is-playing .k7-ab-story:nth-child(2) { animation-delay: 0.26s; }
.k7-hero-demo.k7-is-playing .k7-ab-story:nth-child(3) { animation-delay: 0.4s; }

.k7-ab-story:nth-child(2) { border-color: var(--k7-violet-500); background: #f5f3ff; }

@keyframes demo-story-in {
  to { opacity: 1; transform: translateY(0); }
}

.k7-ab--video.k7-ab--out { gap: 10px; width: 100%; }

.k7-ab-timeline {
  display: block;
  height: 4px;
  background: #e5e7eb;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.k7-ab-timeline i {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: var(--k7-gradient);
  border-radius: 2px;
}

.k7-hero-demo.k7-is-playing .k7-ab-timeline i {
  animation: demo-timeline 1.8s ease 1s forwards;
}

@keyframes demo-timeline {
  to { width: 72%; }
}

.k7-ab-wave {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 28px;
}

.k7-ab-wave i {
  flex: 1;
  background: #ddd6fe;
  border-radius: 1px;
  transform: scaleY(0.2);
  transform-origin: bottom;
}

.k7-hero-demo.k7-is-playing .k7-ab-wave i {
  animation: demo-wave 0.55s ease forwards;
}

.k7-hero-demo.k7-is-playing .k7-ab-wave i:nth-child(1) { animation-delay: 1.1s; }
.k7-hero-demo.k7-is-playing .k7-ab-wave i:nth-child(2) { animation-delay: 1.18s; }
.k7-hero-demo.k7-is-playing .k7-ab-wave i:nth-child(3) { animation-delay: 1.26s; }
.k7-hero-demo.k7-is-playing .k7-ab-wave i:nth-child(4) { animation-delay: 1.14s; }
.k7-hero-demo.k7-is-playing .k7-ab-wave i:nth-child(5) { animation-delay: 1.22s; }
.k7-hero-demo.k7-is-playing .k7-ab-wave i:nth-child(6) { animation-delay: 1.3s; }

.k7-ab-wave i:nth-child(odd) { height: 55%; }
.k7-ab-wave i:nth-child(even) { height: 85%; }
.k7-ab-wave i:nth-child(3n) { height: 40%; }

@keyframes demo-wave {
  to { transform: scaleY(1); background: #7c3aed; }
}

/* engine + stream */
.k7-hero-demo__stream {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 28px;
}

.k7-hero-demo__packet {
  display: block;
  width: 8px;
  height: 8px;
  margin: 0 auto;
  background: var(--k7-violet-600);
  opacity: 0;
}

.k7-hero-demo.k7-is-playing .k7-hero-demo__packet {
  animation: demo-packet 1.2s ease infinite;
}

.k7-hero-demo.k7-is-playing .k7-hero-demo__packet:nth-child(1) { animation-delay: 0.5s; }
.k7-hero-demo.k7-is-playing .k7-hero-demo__packet:nth-child(2) { animation-delay: 0.75s; }
.k7-hero-demo.k7-is-playing .k7-hero-demo__packet:nth-child(3) { animation-delay: 1s; }

.k7-hero-demo__stream--back .k7-hero-demo__packet {
  background: var(--k7-violet-400);
}

@keyframes demo-packet {
  0% { opacity: 0; transform: translateX(-6px) scale(0.6); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: translateX(10px) scale(1); }
}

.k7-hero-demo__engine {
  position: relative;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
}

.k7-hero-demo__engine-ring {
  position: absolute;
  inset: 0;
  border: 2px solid var(--k7-violet-700);
  border-radius: 50%;
}

.k7-hero-demo.k7-is-playing .k7-hero-demo__engine-ring {
  animation: demo-spin 3s linear infinite;
}

.k7-hero-demo__engine-ring::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 50%;
  width: 6px;
  height: 6px;
  margin-left: -3px;
  background: var(--k7-violet-700);
  border-radius: 50%;
}

@keyframes demo-spin {
  to { transform: rotate(360deg); }
}

.k7-hero-demo__engine-core {
  font-family: var(--k7-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: var(--k7-gradient);
  border: 2px solid var(--k7-ink);
  border-radius: 50%;
  z-index: 1;
}

.k7-hero-demo__caption {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  padding: 10px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--k7-ink-2);
  text-align: center;
  border: 2px solid var(--k7-line-strong);
  background: rgba(255, 255, 255, 0.9);
  transition: opacity 0.25s;
}

.k7-hero-demo__caption.k7-is-fade { opacity: 0; }

.k7-hero-demo__steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 0;
  padding: 12px 16px;
  list-style: none;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--k7-muted);
  border-top: 2px solid var(--k7-ink);
  background: #faf8ff;
  counter-reset: demo-step;
}

.k7-hero-demo__steps li {
  counter-increment: demo-step;
  opacity: 0.45;
  transition: opacity 0.25s, color 0.25s;
}

.k7-hero-demo__steps li::before {
  content: counter(demo-step) ". ";
  color: var(--k7-violet-800);
  font-weight: 800;
}

.k7-hero-demo__steps li.k7-is-on {
  opacity: 1;
  color: var(--k7-ink-2);
}

@media (prefers-reduced-motion: reduce) {
  .k7-hero-demo.k7-is-playing .k7-ab-line,
  .k7-hero-demo.k7-is-playing .k7-ab-block,
  .k7-hero-demo.k7-is-playing .k7-ab-frame,
  .k7-hero-demo.k7-is-playing .k7-ab-frame-dot,
  .k7-hero-demo.k7-is-playing .k7-ab-pixel,
  .k7-hero-demo.k7-is-playing .k7-ab-story,
  .k7-hero-demo.k7-is-playing .k7-ab-timeline i,
  .k7-hero-demo.k7-is-playing .k7-ab-wave i,
  .k7-hero-demo.k7-is-playing .k7-hero-demo__packet,
  .k7-hero-demo.k7-is-playing .k7-hero-demo__engine-ring,
  .k7-hero-demo__orb {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .k7-ab-line { transform: scaleX(1); background: #c4b5fd; }
  .k7-ab-block { opacity: 1; transform: none; }
  .k7-ab-timeline i { width: 72%; }
  .k7-ab-wave i { transform: scaleY(1); background: #7c3aed; }
}

/* legacy chat styles (features section) */
.k7-chat-window {
  border: 2px solid var(--k7-ink);
  background: var(--k7-white);
  box-shadow: 12px 12px 0 var(--k7-violet-900);
}

.k7-chat-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--k7-ink);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.k7-chat-top .k7-dot {
  width: 8px;
  height: 8px;
  background: var(--k7-violet-500);
}

.k7-chat-title { margin-left: 4px; }

.k7-chat-body {
  padding: 20px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--k7-white);
}

.k7-msg {
  max-width: 90%;
  padding: 12px 14px;
  font-size: 0.88rem;
  line-height: 1.5;
  border: 2px solid var(--k7-line-strong);
}

.k7-msg-user {
  align-self: flex-end;
  background: var(--k7-ink);
  color: #fff;
  border-color: var(--k7-ink);
}

.k7-msg-ai {
  align-self: flex-start;
  background: var(--k7-white);
  border-left: 4px solid var(--k7-violet-700);
  color: var(--k7-ink-2);
}

.k7-msg-ai.k7-typing {
  display: inline-flex;
  gap: 5px;
  align-items: center;
  min-width: 56px;
  border-left-width: 4px;
}

.k7-msg-ai.k7-typing span {
  width: 6px;
  height: 6px;
  background: var(--k7-violet-700);
  animation: pulse 1s infinite;
}

.k7-msg-ai.k7-typing span:nth-child(2) { animation-delay: 0.15s; }
.k7-msg-ai.k7-typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes pulse {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 1; }
}

.k7-chat-input {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-top: 2px solid var(--k7-ink);
  background: #fafafa;
}

.k7-chat-input span {
  font-size: 0.85rem;
  color: var(--k7-muted);
  font-family: "IBM Plex Mono", monospace;
}

.k7-chat-input button {
  width: 40px;
  height: 40px;
  background: var(--k7-gradient);
  color: #fff;
  font-size: 1.1rem;
  border: 2px solid var(--k7-violet-900);
}

/* ─── Panels ─── */
.k7-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 2px solid var(--k7-ink);
}

.k7-panel-card {
  padding: 36px 32px;
  background: var(--k7-white);
  border-right: 2px solid var(--k7-ink);
}

.k7-panel-card:last-child { border-right: none; }

.k7-panel-card--dark {
  background: var(--k7-gradient-deep);
  color: #fff;
}

.k7-panel-card--dark p { color: rgba(255, 255, 255, 0.78); }
.k7-panel-card--dark .k7-card-label { color: rgba(255, 255, 255, 0.6); border-color: rgba(255,255,255,0.3); }

.k7-panel-card h2 {
  margin: 0 0 14px;
  font-family: var(--k7-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.k7-panel-card p {
  margin: 0;
  color: var(--k7-muted);
  font-size: 0.95rem;
}

/* ─── Compare table ─── */
.k7-section-compare {
  background: #faf8ff;
}

.k7-compare-wrap {
  border: 2px solid var(--k7-ink);
  background: var(--k7-white);
  box-shadow: 12px 12px 0 var(--k7-violet-900);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.k7-compare-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.k7-compare-table th,
.k7-compare-table td {
  padding: 18px 20px;
  border-bottom: 2px solid var(--k7-ink);
  border-right: 2px solid var(--k7-ink);
  text-align: left;
  vertical-align: top;
  line-height: 1.45;
}

.k7-compare-table th:last-child,
.k7-compare-table td:last-child {
  border-right: none;
}

.k7-compare-table tbody tr:last-child th,
.k7-compare-table tbody tr:last-child td {
  border-bottom: none;
}

.k7-compare-table thead th {
  font-family: var(--k7-display);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: #f5f3ff;
  color: var(--k7-ink-2);
}

.k7-compare-table__feat {
  width: 22%;
  color: var(--k7-muted);
}

.k7-compare-table thead .k7-compare-table__ours {
  background: var(--k7-gradient);
  color: #fff;
  border-right: none;
}

.k7-compare-table tbody th[scope="row"] {
  font-weight: 700;
  color: var(--k7-ink);
  background: #fafafa;
  font-size: 0.88rem;
}

.k7-compare-table tbody td {
  color: var(--k7-muted);
  width: 39%;
}

.k7-compare-table tbody td:last-child {
  background: #fdfbff;
  font-weight: 500;
}

.k7-compare-bad::before {
  content: "— ";
  color: #9ca3af;
  font-weight: 800;
}

.k7-compare-good {
  color: var(--k7-ink-2);
  font-weight: 600;
}

.k7-compare-good::before {
  content: "✓ ";
  color: var(--k7-violet-700);
  font-weight: 800;
}

@media (max-width: 720px) {
  .k7-compare-table th,
  .k7-compare-table td {
    padding: 14px 12px;
    font-size: 0.85rem;
  }

  .k7-compare-table__feat {
    width: 28%;
  }
}

.k7-card-label {
  display: inline-block;
  margin-bottom: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--k7-muted);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--k7-line-strong);
}

.k7-card-label--accent {
  color: var(--k7-violet-800);
  border-color: var(--k7-violet-700);
}

/* ─── How to start ─── */
.k7-section-start {
  background: var(--k7-gradient-deep);
  color: #fff;
  border-bottom: 2px solid var(--k7-ink);
}

.k7-section-head--center {
  margin-inline: auto;
  text-align: center;
  max-width: 520px;
}

.k7-section-start .k7-section-head h2 {
  color: #fff;
}

.k7-section-start .k7-section-head p {
  color: rgba(255, 255, 255, 0.78);
}

.k7-start-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0 0 40px;
  padding: 0;
  list-style: none;
  border: 2px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.06);
}

.k7-start-step {
  position: relative;
  padding: 28px 24px 32px;
  border-right: 2px solid rgba(255, 255, 255, 0.35);
}

.k7-start-step:last-child { border-right: none; }

.k7-start-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--k7-violet-900);
  background: #fff;
  border: 2px solid var(--k7-ink);
  border-radius: 50%;
}

.k7-start-step__num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--k7-display);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(255, 255, 255, 0.35);
}

.k7-start-step h3 {
  margin: 0 0 10px;
  font-family: var(--k7-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.k7-start-step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.78);
}

.k7-start-cta {
  text-align: center;
}

.k7-start-cta .k7-btn-primary {
  background: #fff;
  color: var(--k7-violet-900);
  border-color: #fff;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.25);
}

/* ─── FAQ ─── */
.k7-section-faq {
  background: #faf8ff;
}

.k7-faq-list {
  border: 2px solid var(--k7-ink);
  background: var(--k7-white);
  box-shadow: 12px 12px 0 var(--k7-violet-900);
}

.k7-faq-item {
  border-bottom: 2px solid var(--k7-ink);
}

.k7-faq-item:last-child { border-bottom: none; }

.k7-faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-family: var(--k7-display);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.k7-faq-item summary::-webkit-details-marker { display: none; }

.k7-faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--k7-violet-800);
  border: 2px solid var(--k7-violet-800);
  background: #faf8ff;
  transition: transform 0.2s, background 0.2s;
}

.k7-faq-item[open] summary::after {
  content: "−";
  background: var(--k7-gradient);
  color: #fff;
  border-color: var(--k7-violet-900);
}

.k7-faq-item summary:hover::after {
  background: #ede9fe;
}

.k7-faq-item[open] summary:hover::after {
  background: var(--k7-gradient);
}

.k7-faq-item p {
  margin: 0;
  padding: 0 24px 20px;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--k7-muted);
  max-width: 68ch;
}

/* legacy cta-band (unused) */
.k7-cta-band {
  padding: 0;
  background: var(--k7-gradient-deep);
  border-bottom: 2px solid var(--k7-ink);
}

.k7-cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 48px 0;
  color: #fff;
}

.k7-cta-band-inner h2 {
  margin: 0 0 10px;
  font-family: var(--k7-display);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  max-width: 20ch;
}

.k7-cta-band-inner p {
  margin: 0;
  opacity: 0.8;
  font-size: 0.95rem;
}

.k7-cta-band-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  flex-shrink: 0;
}

.k7-cta-band .k7-btn-primary {
  background: #fff;
  color: var(--k7-violet-900);
  border-color: #fff;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.25);
}

.k7-cta-band .k7-btn-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
  background: transparent;
}

.k7-cta-band .k7-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  box-shadow: none;
  transform: none;
}

/* ─── Features bento ─── */
.k7-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 2px solid var(--k7-ink);
}

.k7-feature-card {
  position: relative;
  padding: 28px 24px 24px;
  background: var(--k7-white);
  border-right: 2px solid var(--k7-ink);
  border-bottom: 2px solid var(--k7-ink);
  transition: background 0.15s;
}

.k7-feature-card:nth-child(3n) { border-right: none; }
.k7-feature-card:nth-last-child(-n+3) { border-bottom: none; }

.k7-feature-card:hover {
  background: #faf8ff;
}

.k7-feature-num {
  display: block;
  margin-bottom: 16px;
  font-family: var(--k7-display);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--k7-line-strong);
  letter-spacing: -0.04em;
}

.k7-feature-card:hover .k7-feature-num {
  color: var(--k7-violet-700);
}

.k7-feature-card h3 {
  margin: 0 0 8px;
  font-family: var(--k7-display);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.k7-feature-card p {
  margin: 0 0 18px;
  font-size: 0.88rem;
  color: var(--k7-muted);
}

.k7-mini-chat {
  padding: 12px;
  border: 2px solid var(--k7-line-strong);
  background: #fafafa;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.78rem;
}

.k7-mini-prompt {
  color: var(--k7-muted);
  margin-bottom: 10px;
  min-height: 36px;
}

.k7-mini-prompt::before {
  content: "> ";
  color: var(--k7-violet-800);
  font-weight: 700;
}

.k7-mini-send {
  width: 100%;
  padding: 8px;
  font-family: var(--k7-font);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--k7-white);
  background: var(--k7-violet-800);
  border: 2px solid var(--k7-violet-900);
}

/* ─── Capabilities ─── */
.k7-caps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.k7-cap-card {
  padding: 24px;
  border: 2px solid var(--k7-ink);
  background: var(--k7-white);
  transition: box-shadow 0.15s, transform 0.15s;
}

.k7-cap-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--k7-shadow-hard-sm);
}

.k7-cap-num {
  font-family: var(--k7-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--k7-violet-700);
  margin-bottom: 12px;
}

.k7-cap-card h3 {
  margin: 0 0 8px;
  font-family: var(--k7-display);
  font-size: 1rem;
  font-weight: 800;
}

.k7-cap-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--k7-muted);
}

/* ─── Pricing ─── */
.k7-pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}

.k7-pricing-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  border: 2px solid var(--k7-ink);
  background: var(--k7-white);
  box-shadow: 12px 12px 0 var(--k7-violet-900);
}

.k7-pricing-card--featured {
  box-shadow: 14px 14px 0 var(--k7-violet-900);
}

.k7-pricing-card--featured .k7-pricing-top {
  background: #faf8ff;
}

.k7-pricing-top {
  padding: 36px 32px 28px;
  border-bottom: 2px solid var(--k7-ink);
  background: var(--k7-white);
}

.k7-pricing-badge {
  display: inline-block;
  padding: 4px 10px;
  font-family: var(--k7-display);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  background: var(--k7-gradient);
  border: 2px solid var(--k7-violet-900);
}

.k7-pricing-badge--muted {
  color: var(--k7-ink);
  background: var(--k7-white);
  border-color: var(--k7-ink);
}

.k7-pricing-top h3 {
  margin: 16px 0 20px;
  font-family: var(--k7-display);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.k7-price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.k7-price-value {
  font-family: var(--k7-display);
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--k7-violet-900);
}

.k7-pricing-card:first-child .k7-price-value {
  font-size: 2.8rem;
}

.k7-price-period {
  font-size: 0.95rem;
  color: var(--k7-muted);
  font-weight: 500;
}

.k7-price-note {
  margin: 12px 0 0;
  font-size: 0.82rem;
  color: var(--k7-muted);
}

.k7-pricing-list {
  margin: 0;
  padding: 24px 32px;
  display: grid;
  gap: 12px;
  flex: 1;
}

.k7-pricing-list li {
  padding-left: 20px;
  position: relative;
  font-size: 0.92rem;
  color: var(--k7-ink-2);
}

.k7-pricing-list li::before {
  content: "■";
  position: absolute;
  left: 0;
  color: var(--k7-violet-700);
  font-size: 0.6rem;
  top: 0.35em;
}

.k7-pricing-over {
  margin: 0 32px 8px;
  padding: 14px 16px;
  border: 2px solid var(--k7-line-strong);
  background: #fafafa;
}

.k7-pricing-over__title {
  margin: 0 0 10px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--k7-muted);
}

.k7-pricing-over__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.k7-pricing-over__list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--k7-ink-2);
}

.k7-pricing-over__list strong {
  font-family: var(--k7-display);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--k7-violet-800);
  white-space: nowrap;
}

.k7-pricing-card .k7-btn-block {
  margin: 0 32px 32px;
  width: calc(100% - 64px);
}

/* ─── Tech ─── */
.k7-tech-grid { display: grid; gap: 24px; }

.k7-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 2px solid var(--k7-ink);
}

.k7-tech-tags span {
  padding: 12px 18px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--k7-ink);
  background: var(--k7-white);
  border-right: 2px solid var(--k7-ink);
}

.k7-tech-tags span:last-child { border-right: none; }

.k7-tech-tags span:hover {
  background: var(--k7-violet-900);
  color: #fff;
}

.k7-tech-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.k7-tech-cards .k7-panel-card {
  border: 2px solid var(--k7-ink);
  border-right: 2px solid var(--k7-ink);
}

.k7-tech-cards h3 {
  margin: 0 0 14px;
  font-family: var(--k7-display);
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.k7-tech-cards ul {
  margin: 0;
  padding-left: 18px;
  color: var(--k7-muted);
  font-size: 0.9rem;
}

.k7-tech-cards li { margin-bottom: 8px; }

/* ─── Footer ─── */
.k7-site-footer {
  position: relative;
  z-index: 1;
  padding: 40px 0 48px;
  border-top: 2px solid var(--k7-ink);
  background: var(--k7-white);
}

.k7-footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.k7-footer-copy {
  margin: 14px 0 0;
  font-size: 0.85rem;
  color: var(--k7-muted);
}

.k7-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.k7-footer-links a {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--k7-muted);
}

.k7-footer-links a:hover { color: var(--k7-violet-800); }

.k7-footer-links a.k7-footer-link-danger { color: #e11d48; }
.k7-footer-links a.k7-footer-link-danger:hover { color: #be123c; }

/* ─── Reveal ─── */
.k7-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.k7-reveal.k7-is-visible {
  opacity: 1;
  transform: translateY(0);
}

.k7-reveal[data-delay="1"] { transition-delay: 0.08s; }
.k7-reveal[data-delay="2"] { transition-delay: 0.16s; }

/* ─── Responsive ─── */
@media (max-width: 980px) {
  .k7-hero-grid,
  .k7-split-grid,
  .k7-feature-grid,
  .k7-caps-grid,
  .k7-tech-cards,
  .k7-pricing-grid,
  .k7-modes-stage {
    grid-template-columns: 1fr;
  }

  .k7-modes-picker {
    max-height: none;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .k7-modes-preview__body {
    grid-template-columns: 1fr;
  }

  .k7-modes-preview__sidebar {
    display: none;
  }

  .k7-modes-flow__step:not(:last-child)::after {
    display: none;
  }

  .k7-panel-card,
  .k7-feature-card {
    border-right: none !important;
    border-bottom: 2px solid var(--k7-ink) !important;
  }

  .k7-feature-card:last-child { border-bottom: none !important; }

  .k7-start-steps {
    grid-template-columns: 1fr;
  }

  .k7-start-step {
    border-right: none;
    border-bottom: 2px solid rgba(255, 255, 255, 0.35);
  }

  .k7-start-step:last-child { border-bottom: none; }

  .k7-start-step:not(:last-child)::after {
    right: auto;
    left: 50%;
    top: auto;
    bottom: -12px;
    transform: translateX(-50%);
  }

  .k7-cta-band-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .k7-nav,
  .k7-header-actions { display: none; }

  .k7-burger { display: flex; }

  .k7-nav.k7-is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--k7-header-h);
    left: 0;
    right: 0;
    padding: 20px 24px;
    background: var(--k7-white);
    border-bottom: 2px solid var(--k7-ink);
    gap: 16px;
  }

  .k7-hero-formats { gap: 14px; }

  .k7-hero-stats { flex-direction: column; }

  .k7-hero-bg {
    width: 100%;
    height: 52%;
    top: auto;
    bottom: 0;
    mask-image: linear-gradient(180deg, transparent 0%, #000 40%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 40%);
  }

  .k7-hero-demo__tab {
    padding: 10px 4px;
    font-size: 0.65rem;
    flex-direction: column;
    gap: 4px;
  }

  .k7-hero-demo__pipeline {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .k7-hero-demo__stream {
    flex-direction: row;
    width: auto;
    justify-content: center;
  }

  .k7-hero-demo__stream--back { display: none; }

  .k7-hero-demo__engine {
    margin: 0 auto;
  }

  .k7-hero-demo__slot { min-height: auto; }

  .k7-hero-stats li {
    border-right: none;
    border-bottom: 2px solid var(--k7-ink);
  }

  .k7-hero-stats li:last-child { border-bottom: none; }

  .k7-tech-tags span {
    border-right: none;
    border-bottom: 2px solid var(--k7-ink);
    flex: 1 1 45%;
  }
}

@media (max-width: 640px) {
  .k7-section { padding: 72px 0; }
  .k7-hero { padding-top: 32px; }
  .k7-footer-grid { flex-direction: column; }
  .k7-brand { font-size: 1.85rem; }
}