@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Playfair+Display:wght@700;800&display=swap');

/* ===== RESET + BASE ===== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Nunito', sans-serif;
    color: var(--text-main);
    background: var(--bg-main);
    line-height: 1.7;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-section); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ===== NOISE TEXTURE OVERLAY ===== */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
    opacity: 0.4;
}

/* ===== CONTAINER ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== FLOATING PARTICLES ===== */
.particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.particle {
    position: absolute;
    border-radius: 50%;
    animation: floatParticle linear infinite;
    opacity: 0;
}
@keyframes floatParticle {
    0%   { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10%  { opacity: 0.6; }
    90%  { opacity: 0.6; }
    100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

/* ===== TWINKLING STARS ===== */
.stars { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.star {
    position: absolute;
    background: #fff;
    border-radius: 50%;
    animation: twinkle ease-in-out infinite;
}
@keyframes twinkle {
    0%, 100% { opacity: 0.1; transform: scale(0.8); }
    50%       { opacity: 1;   transform: scale(1.3); }
}


/* ===== SECTION SPACING ===== */
.section {
    padding: 60px 0 40px;
}
.section-alt { background: var(--bg-section); }

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-scale {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ===== HERO SECTION ===== */
.hero {
     min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0d1b3e 0%, #1a3578 50%, #0d1b3e 100%);
    position: relative;
    overflow: hidden;

}
.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(47,98,208,0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(47,98,208,0.07) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}
@keyframes gridMove {
    0%   { transform: translateY(0); }
    100% { transform: translateY(60px); }
}
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}
.hero-glow-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(7,196,248,0.2) 0%, transparent 70%);
    top: -100px; right: -100px;
    animation: glowPulse 4s ease-in-out infinite;
}
.hero-glow-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(47,98,208,0.25) 0%, transparent 70%);
    bottom: -80px; left: -80px;
    animation: glowPulse 4s ease-in-out infinite 2s;
}
@keyframes glowPulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50%       { transform: scale(1.15); opacity: 1; }
}

.hero-innerimage{
    position:absolute;
    inset:0;
    display:flex;
    align-items:center;
    justify-content:center;
    z-index:1;
    pointer-events:none;
}

.hero-innerimage img{
    width:520px;
    max-width:55vw;
    opacity:0.32;
    filter: drop-shadow(0 0 40px rgba(7,196,248,0.45));
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(7,196,248,0.12);
    border: 1px solid rgba(7,196,248,0.3);
    border-radius: 50px;
    color: var(--secondary);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    animation: fadeInDown 0.8s ease both;
}
.hero-badge .dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--secondary);
    animation: blink 1.4s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0.2;} }
@keyframes fadeInDown {
    from { opacity:0; transform: translateY(-20px); }
    to   { opacity:1; transform: translateY(0); }
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    color: #fff;
    margin-bottom: 1rem;
    animation: fadeInUp 0.9s ease 0.2s both;
}
.hero-title .grad {
    background: linear-gradient(135deg, var(--secondary), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-tagline {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent2);
    margin-bottom: 1rem;
    animation: fadeInUp 0.9s ease 0.35s both;
}
.hero-subtitle {
    color: rgba(255,255,255,0.72);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    animation: fadeInUp 0.9s ease 0.5s both;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.9s ease 0.65s both;
}
@keyframes fadeInUp {
    from { opacity:0; transform: translateY(30px); }
    to   { opacity:1; transform: translateY(0); }
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease 0.4s both;
}
@keyframes fadeInRight {
    from { opacity:0; transform: translateX(50px); }
    to   { opacity:1; transform: translateX(0); }
}
.hero-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    width: 100%;
    max-width: 420px;
    animation: heroFloat 6s ease-in-out infinite;
    box-shadow: 0 24px 80px rgba(0,0,0,0.3);
}
@keyframes heroFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33%       { transform: translateY(-12px) rotate(0.5deg); }
    66%       { transform: translateY(-6px) rotate(-0.5deg); }
}
.hero-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.hero-card-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}
.hero-card-title { color: #fff; font-weight: 700; font-size: 0.95rem; }
.hero-card-sub { color: rgba(255,255,255,0.5); font-size: 0.8rem; }

.chat-bubble {
    padding: 0.75rem 1rem;
    border-radius: 12px;
    margin-bottom: 0.75rem;
    font-size: 0.88rem;
    line-height: 1.5;
    position: relative;
    overflow: hidden;
}
.chat-bubble.user {
    background: rgba(47,98,208,0.35);
    color: rgba(255,255,255,0.9);
    margin-left: 2rem;
    border-bottom-right-radius: 4px;
}
.chat-bubble.ai {
    background: rgba(7,196,248,0.15);
    border: 1px solid rgba(7,196,248,0.2);
    color: rgba(255,255,255,0.9);
    margin-right: 2rem;
    border-bottom-left-radius: 4px;
}
.typing-dots {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}
.typing-dots span {
    width: 6px; height: 6px;
    background: var(--secondary);
    border-radius: 50%;
    animation: typingDot 1.4s ease-in-out infinite;
}
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingDot {
    0%,60%,100% { transform: translateY(0); opacity:0.4; }
    30%          { transform: translateY(-6px); opacity:1; }
}

.hero-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
    padding-top: 1.2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat { text-align: center; }
.hero-stat-value { color: var(--secondary); font-weight: 800; font-size: 1.1rem; }
.hero-stat-label { color: rgba(255,255,255,0.5); font-size: 0.72rem; }
/* ===== FINAL FIX — IMAGE IMAGE / TEXT TEXT (ONE TIME) ===== */
/* ===== INTRO GROUP FIX (PREMIUM SAFE VERSION) ===== */

.intro-cards{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:3rem;
  
}

.intro-pair{
  display:flex;
  flex-direction:column;
  gap:1rem;   /* small controlled gap */
  height: 100%; /* important */
}

.intro-combined-card{
  background:var(--card-bg);
  border:1px solid var(--border-soft);
  border-radius:28px;
  overflow:hidden;
  box-shadow:0 25px 60px rgba(47,98,208,0.12);
  transition:all var(--transition);
  
}

/* Real image inside intro */
.intro-img-real{
  width:100%;
  height:100%;
  object-fit:cover;
  padding:2rem;
}


.intro-image-part{
  position:relative;
  height: auto;
  min-height:450px;
  display:flex;
  object-fit: cover;
  align-items:center;
  justify-content:center;
  background:radial-gradient(
    circle at top,
    #eef4ff 0%,
    #dfeaff 45%,
    #cfe3ff 100%
  );
}

.intro-image-icon{
  font-size:5rem;
}

.intro-text-box{
     flex: 1; /* this makes both text boxes equal height */
  background:var(--card-bg);
  border:1px solid var(--border-soft);
  border-radius:22px;
  padding:2rem;
  box-shadow:var(--shadow-sm);
  
  transition:all var(--transition);
}

.intro-text-box h3{
  font-weight:800;
  margin-bottom:1rem;
  
}

.intro-text-box p,
.intro-text-box li{
  font-size:0.95rem;
  font-weight:600;
  color:var(--text-muted);
}

.intro-text-box ul{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:0.6rem;
}

/* subtle hover lift */
.intro-pair:hover .intro-combined-card,
.intro-pair:hover .intro-text-box{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
}

/* mobile */
@media(max-width:900px){
  .intro-cards{
    grid-template-columns:1fr;
     align-items: stretch; /* important */
  }
}

/* Profile Flow Visual */
.profile-flow {
    background: linear-gradient(135deg, var(--bg-dark), #1a3578);
    border-radius: var(--radius-xl);
    padding: 2rem;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.profile-flow::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(47,98,208,0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(47,98,208,0.1) 1px, transparent 1px);
    background-size: 30px 30px;
}
.profile-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1rem;
    background: rgba(255,255,255,0.07);
    border-radius: 10px;
    margin-bottom: 0.75rem;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.4s;
    position: relative;
    z-index: 1;
}
.profile-row:hover { background: rgba(47,98,208,0.3); border-color: rgba(7,196,248,0.4); }
.profile-row-icon { font-size: 1.2rem; }
.profile-row-label { font-size: 0.82rem; color: rgba(255,255,255,0.5); }
.profile-row-value { font-weight: 700; font-size: 0.95rem; color: var(--secondary); }
.ai-response-box {
    background: rgba(7,196,248,0.1);
    border: 1px solid rgba(7,196,248,0.3);
    border-radius: 10px;
    padding: 1rem;
    margin-top: 1rem;
    position: relative;
    z-index: 1;
}
.ai-response-label { font-size: 0.75rem; color: var(--secondary); font-weight: 700; margin-bottom: 0.5rem; }
.ai-response-text { font-size: 0.88rem; color: rgba(255,255,255,0.8); line-height: 1.6; }

/* ===== CAPABILITIES CARDS ===== */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;

}
.cap-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.cap-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}
.cap-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.cap-card:hover::before { transform: scaleX(1); }

.cap-icon {
    width: 60px; height: 60px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--bg-section), #dbe4ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.2rem;
    transition: all var(--transition);
}
.cap-card:hover .cap-icon {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    transform: rotate(-8deg) scale(1.1);
}
.cap-title { font-weight: 800; font-size: 1.1rem; margin-bottom: 1rem; }
.cap-points { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.cap-points li {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}
.cap-points li::before { content: '✓'; color: var(--primary); font-weight: 800; flex-shrink: 0; }

/* ===== THREE PILLARS ===== */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}
.pillar-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.pillar-card::after {
    content: attr(data-icon);
    position: absolute;
    bottom: -20px; right: -10px;
    font-size: 5rem;
    opacity: 0.06;
    transition: all var(--transition);
}
.pillar-card:hover::after { opacity: 0.12; transform: scale(1.2) rotate(-10deg); }
.pillar-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pillar-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
    animation: iconBounce 3s ease-in-out infinite;
}
@keyframes iconBounce {
    0%,100% { transform: translateY(0); }
    50%      { transform: translateY(-5px); }
}
.pillar-title { font-weight: 800; font-size: 1.1rem; margin-bottom: 0.75rem; }
.pillar-body { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

/* ===== WHITEBOARD SECTION ===== */
.whiteboard-section {
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a3578 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.whiteboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}
.wb-visual {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-xl);
    padding: 2rem;
    aspect-ratio: 4/3;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}
.wb-line {
    position: absolute;
    height: 2px;
    border-radius: 2px;
    animation: drawLine 2s ease forwards;
}
@keyframes drawLine {
    from { width: 0; opacity: 0; }
    to   { opacity: 1; }
}
.wb-formula {
    position: absolute;
    font-family: 'Playfair Display', serif;
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
    animation: fadeInUp 1s ease forwards;
}
.wb-badge {
    position: absolute;
    bottom: 1.5rem; right: 1.5rem;
    background: rgba(7,196,248,0.2);
    border: 1px solid rgba(7,196,248,0.4);
    border-radius: 10px;
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--secondary);
    animation: blink 2s infinite;
}

.wb-features { list-style: none; display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.wb-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.2rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    font-size: 0.95rem;
    transition: all var(--transition);
}
.wb-feature:hover {
    background: rgba(7,196,248,0.15);
    border-color: rgba(7,196,248,0.3);
    transform: translateX(6px);
}
.wb-feature-icon { font-size: 1.2rem; }

/* ===== AI BEHAVIOUR ===== */
.behavior-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 3rem;
}
.behavior-items { display: flex; flex-direction: column; gap: 1.2rem; }
.behavior-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.2rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-soft);
    transition: all var(--transition);
}
.behavior-item:hover {
    border-color: var(--primary);
    transform: translateX(6px);
    box-shadow: var(--shadow-sm);
}
.behavior-icon { font-size: 1.5rem; flex-shrink: 0; }
.behavior-text { font-weight: 600; font-size: 0.95rem; }

.confusion-box {
    background: linear-gradient(135deg, var(--bg-section), #fff);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--border-soft);
}
.confusion-trigger {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.85);
    border-radius: 10px;
    padding: 1rem;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    text-align: center;
}
.confusion-responses { display: flex; flex-direction: column; gap: 0.75rem; }
.confusion-response {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    background: var(--card-bg);
    border-radius: 10px;
    border: 1px solid var(--border-soft);
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition);
}
.confusion-response:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.confusion-response::before { content: '→'; color: var(--primary); font-weight: 800; }
.confusion-response:hover::before { color: #fff; }

/* ===== TRUST / FINAL ===== */
.trust-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary-dark) 100%);
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.trust-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255,255,255,0.05) 0%, transparent 50%);
}
.trust-section .section-title { color: #fff; }
.trust-section .section-title .highlight {
    background: linear-gradient(135deg, var(--accent2), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.trust-body { color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto 3rem; font-size: 1.05rem; line-height: 1.8; }
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto 3rem;
}
.stat-block { text-align: center; }
.stat-value {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent2);
    display: block;
    animation: countUp 2s ease both;
}
.stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.7); font-weight: 600; }

/* ===== SHIMMER EFFECT ===== */
.shimmer {
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.4) 50%, transparent 100%);
    background-size: 200% 100%;
    animation: shimmer 2.5s infinite;
}
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ===== RIPPLE ===== */
.btn { position: relative; overflow: hidden; }
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    transform: scale(0);
    animation: rippleEffect 0.6s linear;
    pointer-events: none;
}
@keyframes rippleEffect {
    to { transform: scale(4); opacity: 0; }
}

/* ===== TYPEWRITER ===== */
.typewriter { display: inline-block; }
.typewriter-cursor {
    display: inline-block;
    width: 3px;
    background: var(--secondary);
    animation: cursorBlink 0.8s infinite;
    margin-left: 2px;
    vertical-align: middle;
    height: 1em;
}
@keyframes cursorBlink { 0%,50%{opacity:1} 51%,100%{opacity:0} }

/* ===== MOBILE ===== */
@media (max-width: 900px) {
    .hero-inner,
    .ai-intro-grid,
    .how-grid,
    .whiteboard-grid,
    .behavior-grid,
    .pricing-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .pillars-grid { grid-template-columns: 1fr; }
    .pricing-card.paid { transform: none; }
    .stats-row { grid-template-columns: 1fr 1fr; }
    .capabilities-grid { grid-template-columns: 1fr 1fr; }
    .nav-menu { display: none; }
    .hero { min-height: auto; padding: 100px 0 60px; }
}
@media (max-width: 600px) {
    .capabilities-grid { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
    .ai-features-grid { grid-template-columns: 1fr; }
}