/* ============================================================
   Manas AI — Design System
   ============================================================ */

:root {
  /* Palette — deep cosmos */
  --bg-0: #07070d;
  --bg-1: #0b0b16;
  --bg-2: #11111f;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --ink-0: #f5f3ff;
  --ink-1: #e4e2f0;
  --ink-2: #b3b0c7;
  --ink-3: #807c97;
  --ink-4: #555269;

  /* Accents */
  --violet: #a78bfa;
  --violet-soft: #c4b5fd;
  --cyan: #7dd3fc;
  --amber: #fcd34d;
  --rose: #fb7185;
  --emerald: #6ee7b7;

  --grad-aurora: linear-gradient(135deg, #a78bfa 0%, #7dd3fc 50%, #fcd34d 100%);
  --grad-aurora-soft: linear-gradient(135deg, rgba(167,139,250,0.25) 0%, rgba(125,211,252,0.18) 50%, rgba(252,211,77,0.12) 100%);
  --grad-text: linear-gradient(120deg, #f5f3ff 0%, #c4b5fd 35%, #7dd3fc 65%, #fcd34d 100%);

  /* Type */
  --font-display: 'Instrument Serif', 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Geometry */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --container: 1200px;
  --gutter: clamp(20px, 4vw, 40px);

  --t-fast: 180ms cubic-bezier(.2,.7,.3,1);
  --t-med: 360ms cubic-bezier(.2,.7,.3,1);
  --t-slow: 600ms cubic-bezier(.2,.7,.3,1);
}

/* ============================================================
   Reset / base
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-0);
  color: var(--ink-1);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: -0.005em;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--ink-0); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--violet-soft); }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
::selection { background: rgba(167,139,250,0.4); color: var(--ink-0); }

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink-0);
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.6rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.6rem); }
h3 { font-size: clamp(1.4rem, 2vw, 1.85rem); }
h4 { font-size: 1.05rem; font-family: var(--font-sans); font-weight: 600; letter-spacing: 0; }
p { margin: 0 0 1em; color: var(--ink-2); }
.lead { font-size: clamp(1.05rem, 1.4vw, 1.25rem); color: var(--ink-1); max-width: 60ch; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1.25rem;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--grad-aurora);
}

.gradient-text {
  background: var(--grad-text);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 8s linear infinite;
}
@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.serif-italic { font-family: var(--font-display); font-style: italic; }

/* ============================================================
   Layout
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container);
  padding-inline: var(--gutter);
  margin-inline: auto;
}

section { padding-block: clamp(72px, 10vw, 140px); position: relative; }

.skip-link {
  position: absolute; left: -9999px;
  background: var(--ink-0); color: var(--bg-0); padding: 12px 16px;
  border-radius: var(--radius-sm); z-index: 999;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ============================================================
   Aurora background
   ============================================================ */

.aurora {
  position: fixed; inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% -10%, #1a1233 0%, var(--bg-0) 55%);
}
.aurora__orb {
  position: absolute;
  width: 60vmax;
  height: 60vmax;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.55;
  mix-blend-mode: screen;
  will-change: transform;
}
.aurora__orb--1 {
  top: -20vmax; left: -10vmax;
  background: radial-gradient(circle, #6d28d9 0%, transparent 65%);
  animation: drift1 28s ease-in-out infinite alternate;
}
.aurora__orb--2 {
  bottom: -25vmax; right: -15vmax;
  background: radial-gradient(circle, #0369a1 0%, transparent 65%);
  animation: drift2 34s ease-in-out infinite alternate;
}
.aurora__orb--3 {
  top: 40%; left: 30%;
  width: 40vmax; height: 40vmax;
  background: radial-gradient(circle, #b45309 0%, transparent 65%);
  opacity: 0.25;
  animation: drift3 40s ease-in-out infinite alternate;
}
@keyframes drift1 { to { transform: translate(15vw, 8vh) scale(1.15); } }
@keyframes drift2 { to { transform: translate(-12vw, -6vh) scale(1.1); } }
@keyframes drift3 { to { transform: translate(20vw, -12vh) scale(0.9); } }

.aurora__grain {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.45 0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.5'/></svg>");
  opacity: 0.04;
  mix-blend-mode: overlay;
}

/* ============================================================
   Header / navigation
   ============================================================ */

.site-header {
  position: sticky; top: 0;
  z-index: 100;
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  background: rgba(7, 7, 13, 0.4);
  border-bottom: 1px solid transparent;
  transition: background var(--t-med), border-color var(--t-med);
}
.site-header.is-scrolled {
  background: rgba(7, 7, 13, 0.72);
  border-bottom-color: var(--border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 18px;
}

.brand {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--ink-0); font-family: var(--font-display);
  font-size: 1.35rem; letter-spacing: -0.01em;
}
.brand__mark { display: inline-flex; width: 32px; height: 32px; }
.brand__mark svg { width: 100%; height: 100%; }
.brand__dot { color: var(--violet-soft); margin-inline: 1px; }
.brand:hover { color: var(--ink-0); }

.nav-list {
  display: flex; align-items: center; gap: 6px;
}
.nav-list a {
  position: relative;
  padding: 8px 14px;
  font-size: 0.92rem;
  color: var(--ink-2);
  border-radius: 999px;
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-list a:hover { color: var(--ink-0); }
.nav-list a.is-active {
  color: var(--ink-0);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
}

.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-toggle {
    display: flex; flex-direction: column; justify-content: center;
    gap: 5px; width: 40px; height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface);
  }
  .nav-toggle span { width: 18px; height: 1.5px; background: var(--ink-0); margin-inline: auto; transition: transform var(--t-fast); }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  .nav-list {
    position: fixed;
    inset: 70px 16px auto 16px;
    flex-direction: column;
    align-items: stretch;
    background: rgba(11, 11, 22, 0.95);
    backdrop-filter: blur(18px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    gap: 4px;
    opacity: 0; pointer-events: none;
    transform: translateY(-8px);
    transition: opacity var(--t-fast), transform var(--t-fast);
  }
  .nav-list.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .nav-list a { padding: 12px 16px; font-size: 1rem; }
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-size: 0.95rem; font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  white-space: nowrap;
  position: relative;
  isolation: isolate;
}
.btn--sm { padding: 9px 18px; font-size: 0.88rem; }
.btn--lg { padding: 17px 32px; font-size: 1.02rem; }

.btn--primary {
  background: var(--grad-aurora);
  background-size: 200% 100%;
  color: #0a0a14;
  font-weight: 600;
  box-shadow: 0 10px 40px -10px rgba(167,139,250,0.5);
}
.btn--primary:hover { background-position: 100% 0; transform: translateY(-2px); color: #0a0a14; box-shadow: 0 18px 50px -10px rgba(167,139,250,0.65); }

.btn--ghost {
  background: var(--surface);
  color: var(--ink-0);
  box-shadow: inset 0 0 0 1px var(--border-strong);
}
.btn--ghost:hover { background: var(--surface-strong); box-shadow: inset 0 0 0 1px var(--violet-soft); color: var(--ink-0); transform: translateY(-2px); }

.btn--text {
  padding: 8px 0; color: var(--ink-1);
}
.btn--text:hover { color: var(--violet-soft); gap: 12px; }
.btn--text::after { content: '→'; transition: transform var(--t-fast); }
.btn--text:hover::after { transform: translateX(4px); }

/* ============================================================
   Hero
   ============================================================ */

.hero {
  padding-block: clamp(100px, 14vw, 200px) clamp(60px, 9vw, 130px);
  text-align: center;
  position: relative;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
  margin-bottom: 28px;
}

/* Hero announcement pill — pushes toward internships */
.hero__announce {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 10px 8px 10px 18px;
  border-radius: 999px;
  font-size: 0.86rem;
  letter-spacing: -0.005em;
  color: var(--ink-0);
  background:
    radial-gradient(circle at 50% 50%, rgba(252,211,77,0.12), rgba(252,211,77,0.04));
  box-shadow:
    inset 0 0 0 1px rgba(252,211,77,0.35),
    0 8px 28px -10px rgba(252,211,77,0.35);
  margin-bottom: 28px;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  position: relative;
  isolation: isolate;
  overflow: hidden;
  text-decoration: none;
}
.hero__announce::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(120deg,
    transparent 0%,
    transparent 35%,
    rgba(252,211,77,0.18) 50%,
    transparent 65%,
    transparent 100%);
  background-size: 220% 100%;
  animation: announceShimmer 4.5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes announceShimmer {
  0%   { background-position: 200% 0; }
  60%  { background-position: -80% 0; }
  100% { background-position: -80% 0; }
}
.hero__announce:hover {
  transform: translateY(-1px);
  background: radial-gradient(circle at 50% 50%, rgba(252,211,77,0.18), rgba(252,211,77,0.06));
  box-shadow:
    inset 0 0 0 1px rgba(252,211,77,0.55),
    0 12px 36px -10px rgba(252,211,77,0.5);
  color: var(--ink-0);
}
.hero__announce__tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(252,211,77,0.12);
  box-shadow: inset 0 0 0 1px rgba(252,211,77,0.3);
  display: inline-flex; align-items: center; gap: 8px;
}
.hero__announce__tag .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 12px var(--amber);
  animation: pulse 2.5s ease-in-out infinite;
}
.hero__announce__text {
  font-family: var(--font-sans);
  text-transform: none;
  letter-spacing: -0.005em;
}
.hero__announce__arrow {
  display: inline-grid; place-items: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--amber);
  color: #0a0a14;
  margin-left: 4px;
  transition: transform var(--t-fast);
  font-weight: 700;
}
.hero__announce:hover .hero__announce__arrow { transform: translateX(3px); }

@media (max-width: 540px) {
  .hero__announce { padding: 8px 6px 8px 14px; gap: 8px; font-size: 0.8rem; flex-wrap: wrap; justify-content: center; }
  .hero__announce__text { width: 100%; text-align: center; }
}

/* Variant for internship button — amber-accented primary */
.btn--internship {
  background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
  color: #0a0a14;
  font-weight: 600;
  box-shadow: 0 10px 40px -10px rgba(252,211,77,0.6);
}
.btn--internship:hover {
  transform: translateY(-2px);
  color: #0a0a14;
  box-shadow: 0 18px 50px -10px rgba(252,211,77,0.75);
  filter: brightness(1.05);
}
.hero__eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 12px var(--emerald);
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero h1 {
  max-width: 18ch;
  margin-inline: auto;
  margin-bottom: 28px;
  letter-spacing: -0.028em;
}
.hero h1 em {
  font-style: italic;
  background: var(--grad-text);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 8s linear infinite;
}

.hero__sub {
  max-width: 58ch;
  margin: 0 auto 40px;
  font-size: clamp(1.05rem, 1.4vw, 1.22rem);
  color: var(--ink-2);
}

.hero__actions {
  display: flex; justify-content: center; gap: 14px; flex-wrap: wrap;
}

.hero__scroll {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-4);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.hero__scroll::after {
  content: ''; width: 1px; height: 32px;
  background: linear-gradient(to bottom, var(--ink-4), transparent);
  animation: scroll-hint 2s ease-in-out infinite;
}
@keyframes scroll-hint {
  0% { transform: scaleY(0); transform-origin: top; }
  60% { transform: scaleY(1); transform-origin: top; }
  61% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   Section heading
   ============================================================ */

.section-head { max-width: 70ch; margin-bottom: 64px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-bottom: 18px; }
.section-head p { color: var(--ink-2); font-size: 1.05rem; max-width: 60ch; }
.section-head.center p { margin-inline: auto; }

/* ============================================================
   Cards / glass
   ============================================================ */

.card {
  position: relative;
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  backdrop-filter: blur(20px);
  box-shadow: inset 0 0 0 1px var(--border), 0 1px 0 rgba(255,255,255,0.04) inset;
  transition: transform var(--t-med), box-shadow var(--t-med), background var(--t-med);
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--grad-aurora-soft);
  -webkit-mask: linear-gradient(#000, #000) content-box, linear-gradient(#000, #000);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--t-med);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  background: var(--surface-strong);
  box-shadow: inset 0 0 0 1px var(--border-strong), 0 20px 60px -20px rgba(0,0,0,0.6);
}
.card:hover::before { opacity: 1; }

.card__icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--grad-aurora-soft);
  box-shadow: inset 0 0 0 1px var(--border);
  margin-bottom: 20px;
  color: var(--violet-soft);
}
.card__icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 1.45rem; margin-bottom: 12px; }
.card p { color: var(--ink-2); font-size: 0.96rem; margin: 0; }
.card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 12px;
}

/* ============================================================
   Grids
   ============================================================ */

.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

/* Verticals */
.verticals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.vertical {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.vertical:hover { transform: translateY(-3px); box-shadow: inset 0 0 0 1px var(--border-strong); }
.vertical__num {
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.18em;
  color: var(--ink-3);
  margin-bottom: 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.vertical__num span:last-child { color: var(--violet-soft); font-size: 1.2rem; line-height: 1; }
.vertical h3 { font-size: 1.55rem; margin-bottom: 10px; }
.vertical p { font-size: 0.92rem; color: var(--ink-2); margin: 0; }

/* ============================================================
   Architecture / steps
   ============================================================ */

.architecture {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.arch-step {
  padding: 30px 26px;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
  position: relative;
}
.arch-step__index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--violet-soft);
  margin-bottom: 20px;
}
.arch-step h3 { font-size: 1.45rem; margin-bottom: 10px; }
.arch-step p { font-size: 0.93rem; color: var(--ink-2); margin: 0; }
@media (max-width: 900px) { .architecture { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .architecture { grid-template-columns: 1fr; } }

/* ============================================================
   Feature row (image + text)
   ============================================================ */

.feature-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
.feature-row--reverse { grid-template-columns: 1fr 1.1fr; }
.feature-row--reverse .feature-row__media { order: 2; }
@media (max-width: 860px) {
  .feature-row, .feature-row--reverse { grid-template-columns: 1fr; gap: 36px; }
  .feature-row--reverse .feature-row__media { order: 0; }
}
.feature-row h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
.feature-row ul.bullets { margin-top: 24px; }
.feature-row ul.bullets li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 14px;
  color: var(--ink-2);
}
.feature-row ul.bullets li::before {
  content: '';
  position: absolute; left: 0; top: 11px;
  width: 14px; height: 1px;
  background: var(--grad-aurora);
}

.feature-row__media {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
}

/* ============================================================
   Team cards
   ============================================================ */

.people {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.person {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
  text-align: left;
  transition: transform var(--t-med), box-shadow var(--t-med);
}
.person:hover { transform: translateY(-4px); box-shadow: inset 0 0 0 1px var(--border-strong); }
.person__avatar {
  width: 92px; height: 92px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad-aurora);
  color: #0a0a14;
  font-family: var(--font-display);
  font-size: 1.85rem;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
  box-shadow: 0 10px 30px -10px rgba(167,139,250,0.45);
  position: relative;
  overflow: hidden;
}
.person__photo {
  width: 92px; height: 92px;
  border-radius: 50%;
  margin-bottom: 22px;
  position: relative;
  padding: 2px;
  background: var(--grad-aurora);
  box-shadow: 0 10px 30px -10px rgba(167,139,250,0.45);
}
.person__photo img {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  background: var(--bg-1);
}
.person__name { font-family: var(--font-display); font-size: 1.55rem; margin-bottom: 4px; }
.person__role { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--violet-soft); margin-bottom: 14px; }
.person__bio { color: var(--ink-2); font-size: 0.95rem; }
.person__affil {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--ink-3);
}

/* ============================================================
   Partners strip
   ============================================================ */

.partners-strip {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap;
  gap: 16px 48px;
  padding: 28px 32px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
}
.partners-strip__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.partners-strip a {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--ink-1);
}
.partners-strip a:hover { color: var(--violet-soft); }

/* ============================================================
   Partner logos
   ============================================================ */

.partner-logos {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap;
  gap: 28px 56px;
}
.partner-logo {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 14px 22px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.03);
  box-shadow: inset 0 0 0 1px var(--border);
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.partner-logo:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,0.06);
  box-shadow: inset 0 0 0 1px var(--border-strong);
}
.partner-logo img {
  height: 44px; width: auto;
  object-fit: contain;
  filter: brightness(1.05);
}
.partner-logo--krishnayan img { height: 36px; }
.partner-logo__caption {
  display: flex; flex-direction: column;
  gap: 2px;
}
.partner-logo__caption strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--ink-0);
  line-height: 1.1;
}
.partner-logo__caption span {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* Partner card hero (about page) */
.partner-card-hero {
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.partner-card-hero img {
  height: 56px; width: auto;
  object-fit: contain;
  flex-shrink: 0;
}
.partner-card-hero--krishnayan img { height: 44px; }

/* ============================================================
   Internships section
   ============================================================ */

.internships {
  position: relative;
  border-radius: var(--radius-xl);
  padding: clamp(48px, 6vw, 84px) clamp(28px, 5vw, 64px);
  background:
    radial-gradient(circle at 80% 20%, rgba(252,211,77,0.10) 0%, transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(125,211,252,0.10) 0%, transparent 50%),
    linear-gradient(135deg, rgba(167,139,250,0.08) 0%, rgba(11,11,22,0.4) 100%);
  box-shadow: inset 0 0 0 1px var(--border-strong);
  overflow: hidden;
  isolation: isolate;
}
.internships::before {
  content: '';
  position: absolute; inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(167,139,250,0.4), rgba(125,211,252,0.2), rgba(252,211,77,0.3));
  -webkit-mask: linear-gradient(#000,#000) content-box, linear-gradient(#000,#000);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.5;
}

.internships__head {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 48px;
}
@media (max-width: 820px) {
  .internships__head { grid-template-columns: 1fr; gap: 24px; align-items: start; }
}
.internships__head h2 { margin-bottom: 18px; font-size: clamp(2rem, 4vw, 3.2rem); }
.internships__head p { color: var(--ink-2); max-width: 56ch; margin: 0; }

.internships__badge {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(252,211,77,0.08);
  box-shadow: inset 0 0 0 1px rgba(252,211,77,0.25);
  margin-bottom: 22px;
}
.internships__badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 12px var(--amber);
  animation: pulse 2.5s ease-in-out infinite;
}

.internships__meta {
  display: grid; gap: 14px;
  padding: 24px 26px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.03);
  box-shadow: inset 0 0 0 1px var(--border);
}
.internships__meta dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 2px;
}
.internships__meta dd {
  margin: 0 0 6px 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink-0);
  line-height: 1.3;
}
.internships__meta dd:last-child { margin-bottom: 0; }

/* Track grid */
.tracks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 960px) { .tracks { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 580px) { .tracks { grid-template-columns: 1fr; } }

.track {
  position: relative;
  padding: 26px 24px;
  border-radius: var(--radius);
  background: rgba(11,11,22,0.55);
  box-shadow: inset 0 0 0 1px var(--border);
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.track::after {
  content: '';
  position: absolute; left: 0; bottom: 0; right: 0;
  height: 2px;
  background: var(--grad-aurora);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med);
}
.track:hover {
  transform: translateY(-3px);
  background: rgba(20,20,36,0.7);
  box-shadow: inset 0 0 0 1px var(--border-strong);
}
.track:hover::after { transform: scaleX(1); }
.track__icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: grid; place-items: center;
  background: var(--grad-aurora-soft);
  box-shadow: inset 0 0 0 1px var(--border);
  margin-bottom: 18px;
  color: var(--violet-soft);
}
.track__icon svg { width: 18px; height: 18px; }
.track__code {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.track h3 {
  font-size: 1.18rem;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.track p {
  font-size: 0.88rem;
  color: var(--ink-2);
  margin: 0 0 16px;
  flex-grow: 1;
}
.track__skills {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.track__skill {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
  box-shadow: inset 0 0 0 1px var(--border);
}

.internships__cta {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  align-items: center;
  justify-content: space-between;
}
.internships__cta p {
  margin: 0; color: var(--ink-3); font-size: 0.9rem;
  max-width: 50ch;
}

/* ============================================================
   CTA section
   ============================================================ */

.cta {
  text-align: center;
  padding: clamp(60px, 8vw, 100px) clamp(24px, 5vw, 60px);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(167,139,250,0.12) 0%, rgba(125,211,252,0.08) 50%, rgba(252,211,77,0.06) 100%);
  box-shadow: inset 0 0 0 1px var(--border-strong);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute; inset: -50%;
  background: radial-gradient(circle at 50% 50%, rgba(167,139,250,0.18) 0%, transparent 50%);
  animation: drift1 18s ease-in-out infinite alternate;
  pointer-events: none;
}
.cta > * { position: relative; }
.cta h2 { margin-bottom: 18px; }
.cta p { max-width: 56ch; margin-inline: auto; margin-bottom: 32px; color: var(--ink-1); }

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  padding-block: 80px 40px;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.4));
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 64px;
  margin-bottom: 64px;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; gap: 48px; } }
.footer-brand .brand { margin-bottom: 16px; }
.footer-tagline { color: var(--ink-2); max-width: 38ch; font-size: 0.95rem; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
@media (max-width: 540px) { .footer-cols { grid-template-columns: 1fr 1fr; gap: 28px; } }
.footer-cols h4 { color: var(--ink-3); font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 18px; font-weight: 500; }
.footer-cols ul li { margin-bottom: 10px; }
.footer-cols ul a { color: var(--ink-2); font-size: 0.93rem; }
.footer-cols ul a:hover { color: var(--ink-0); }

.footer-partner-marks {
  display: flex; align-items: center; justify-content: center;
  gap: 36px;
  padding: 28px 0;
  margin-bottom: 8px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.footer-partner-mark { display: inline-flex; align-items: center; opacity: 0.7; transition: opacity var(--t-fast); }
.footer-partner-mark:hover { opacity: 1; }
.footer-partner-mark img { height: 38px; width: auto; object-fit: contain; }
.footer-partner-mark--krishnayan img { height: 30px; }
.footer-partner-x { color: var(--ink-4); font-family: var(--font-display); font-size: 1.2rem; }

.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem; color: var(--ink-3);
  gap: 16px; flex-wrap: wrap;
}
.footer-bottom p { margin: 0; color: inherit; max-width: 70ch; }

/* ============================================================
   Product hero (devices page)
   ============================================================ */

.product-hero {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-1);
  box-shadow: inset 0 0 0 1px var(--border);
  isolation: isolate;
  margin-top: 24px;
}
.product-hero__media {
  position: absolute; inset: 0;
  z-index: -1;
}
.product-hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
.product-hero__media::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,7,13,0.35) 0%, rgba(7,7,13,0.85) 70%, var(--bg-0) 100%),
              radial-gradient(circle at 20% 30%, rgba(167,139,250,0.25) 0%, transparent 50%);
}
.product-hero__inner {
  padding: clamp(60px, 9vw, 140px) clamp(28px, 6vw, 80px);
  max-width: 720px;
}
.product-hero h1 {
  font-size: clamp(2.6rem, 6vw, 5rem);
  margin-bottom: 24px;
  letter-spacing: -0.025em;
}
.product-hero .lead { color: var(--ink-1); margin-bottom: 32px; }
.product-hero__meta {
  display: flex; gap: 24px; flex-wrap: wrap;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.product-hero__meta div {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.product-hero__meta strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--ink-0);
  text-transform: none;
  margin-top: 4px;
}

/* ============================================================
   Benefit cards with image
   ============================================================ */

.benefits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 760px) { .benefits { grid-template-columns: 1fr; } }
.benefit {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
  transition: transform var(--t-med), box-shadow var(--t-med);
  display: flex; flex-direction: column;
}
.benefit:hover { transform: translateY(-4px); box-shadow: inset 0 0 0 1px var(--border-strong); }
.benefit__media {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}
.benefit__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(.2,.7,.3,1);
}
.benefit:hover .benefit__media img { transform: scale(1.05); }
.benefit__media::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(7,7,13,0.7) 100%);
}
.benefit__body { padding: 28px 28px 32px; }
.benefit__body h3 { font-size: 1.4rem; margin-bottom: 10px; }
.benefit__body p { color: var(--ink-2); font-size: 0.95rem; margin: 0; }
.benefit__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--violet-soft);
  margin-bottom: 10px;
}

/* ============================================================
   Format / product split
   ============================================================ */

.format {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 760px) { .format { grid-template-columns: 1fr; } }
.format-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
  display: flex; flex-direction: column;
  transition: transform var(--t-med), box-shadow var(--t-med);
}
.format-card:hover { transform: translateY(-4px); box-shadow: inset 0 0 0 1px var(--border-strong); }
.format-card__media {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #000;
}
.format-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.4s cubic-bezier(.2,.7,.3,1);
}
.format-card:hover .format-card__media img { transform: scale(1.04); }
.format-card__body { padding: 36px 32px 36px; }
.format-card__num {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 16px;
}
.format-card__num span { color: var(--violet-soft); margin-right: 8px; font-size: 1rem; }
.format-card h3 { font-size: 1.7rem; margin-bottom: 12px; }
.format-card p { color: var(--ink-2); margin-bottom: 20px; }
.format-card__features {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  display: grid; gap: 10px;
}
.format-card__features li {
  position: relative;
  padding-left: 22px;
  font-size: 0.92rem;
  color: var(--ink-2);
}
.format-card__features li::before {
  content: '';
  position: absolute; left: 0; top: 9px;
  width: 10px; height: 1px;
  background: var(--grad-aurora);
}

/* ============================================================
   Gallery
   ============================================================ */

.gallery {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
@media (max-width: 860px) { .gallery { grid-template-columns: repeat(2, 1fr); } }
.gallery__item {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
  aspect-ratio: 1;
}
.gallery__item--wide { grid-column: span 3; aspect-ratio: 16/10; }
.gallery__item--tall { grid-column: span 2; grid-row: span 2; aspect-ratio: 1 / 2; }
.gallery__item--sq   { grid-column: span 2; }
@media (max-width: 860px) {
  .gallery__item, .gallery__item--wide, .gallery__item--tall, .gallery__item--sq {
    grid-column: auto; grid-row: auto; aspect-ratio: 1;
  }
}
.gallery__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(.2,.7,.3,1);
}
.gallery__item:hover img { transform: scale(1.06); }

/* ============================================================
   Use cases (with image)
   ============================================================ */

.use-cases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 760px) { .use-cases { grid-template-columns: 1fr; } }
.use-case {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  isolation: isolate;
  min-height: 280px;
  display: flex; align-items: flex-end;
  padding: 32px;
  box-shadow: inset 0 0 0 1px var(--border);
}
.use-case__bg {
  position: absolute; inset: 0; z-index: -1;
}
.use-case__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.use-case__bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,7,13,0.1) 0%, rgba(7,7,13,0.9) 100%);
}
.use-case__body { color: var(--ink-0); }
.use-case__body h3 { font-size: 1.45rem; margin-bottom: 8px; color: var(--ink-0); }
.use-case__body p { color: var(--ink-1); margin: 0; font-size: 0.93rem; }
.use-case__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 10px;
}

/* ============================================================
   Pricing / order strip
   ============================================================ */

.order-strip {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  align-items: center;
  padding: 36px 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(167,139,250,0.1), rgba(125,211,252,0.06));
  box-shadow: inset 0 0 0 1px var(--border-strong);
}
@media (max-width: 720px) { .order-strip { grid-template-columns: 1fr; gap: 20px; padding: 28px; } }
.order-strip h3 { font-size: 1.6rem; margin-bottom: 8px; }
.order-strip p { color: var(--ink-2); margin: 0; max-width: 50ch; font-size: 0.95rem; }
.order-strip__cta { display: flex; gap: 12px; justify-content: flex-end; flex-wrap: wrap; }
@media (max-width: 720px) { .order-strip__cta { justify-content: flex-start; } }

/* ============================================================
   Contact form
   ============================================================ */

.contact-form {
  display: grid;
  gap: 18px;
}
.contact-form label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--ink-0);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--violet-soft);
  background: var(--surface-strong);
}
.contact-form textarea { min-height: 140px; resize: vertical; font-family: var(--font-sans); }
.contact-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .contact-form__row { grid-template-columns: 1fr; } }

/* ============================================================
   Quote / note block
   ============================================================ */

.quote {
  padding: 36px 40px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
  border-left: 2px solid;
  border-image: var(--grad-aurora) 1;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  line-height: 1.4;
  color: var(--ink-1);
}
.quote cite {
  display: block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ============================================================
   Stats
   ============================================================ */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  padding: 36px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
}
.stat__value {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3rem);
  line-height: 1;
  margin-bottom: 8px;
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ============================================================
   Page intro (used on inner pages)
   ============================================================ */

.page-intro {
  padding-block: clamp(60px, 9vw, 120px) clamp(40px, 6vw, 70px);
  text-align: left;
  max-width: 760px;
}
.page-intro h1 { font-size: clamp(2.4rem, 5vw, 4.4rem); margin-bottom: 20px; }
.page-intro p { font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: var(--ink-2); max-width: 56ch; }

/* ============================================================
   Reveal animation
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 800ms ease, transform 800ms cubic-bezier(.2,.7,.3,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .aurora__orb, .gradient-text, .hero h1 em { animation: none !important; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   Utility
   ============================================================ */

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mt-6 { margin-top: 48px; }
.mt-8 { margin-top: 64px; }
.center { text-align: center; }
.muted { color: var(--ink-3); }
.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-strong), transparent);
  margin-block: 48px;
  border: none;
}