/* HeyAurora Landing Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

/* Performance optimizations */
* {
    transform-style: preserve-3d;
    backface-visibility: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #191a23;
    background: linear-gradient(135deg, #4e577e 0%, #7b3872 100%);
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-bg-picture {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.45;
    pointer-events: none;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    will-change: transform;
}

.hero-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.45;
    pointer-events: none;
    will-change: transform;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><radialGradient id="g"><stop offset="0%" stop-color="rgba(255,255,255,0.09)"/><stop offset="100%" stop-color="rgba(255,255,255,0)"/></radialGradient></defs><circle cx="20" cy="20" r="2" fill="url(%23g)"/><circle cx="80" cy="40" r="1.2" fill="url(%23g)"/><circle cx="40" cy="80" r="1.7" fill="url(%23g)"/></svg>') repeat;
    animation: sparkle 22s linear infinite;
    opacity: 0.4;
    will-change: transform;
    z-index: 1;
}

@keyframes sparkle {
    0% { transform: translateY(0); }
    100% { transform: translateY(-60px); }
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    position: relative;
    padding-top: 50px;
    padding-bottom: 40px;
}

.logo {
    font-size: 3.2rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ff6b6b, #ffd93d, #6bcf7f, #4d9de0);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient 3s ease infinite;
    letter-spacing: -1.5px;
    will-change: background-position;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.tagline {
    font-size: 1.55rem;
    margin-bottom: 1.8rem;
    opacity: 0.93;
    font-weight: 400;
}
.subtitle {
    font-size: 1.1rem;
    margin-bottom: 2.7rem;
    opacity: 0.8;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
}
.cta-button {
    display: inline-block;
    padding: 14px 38px;
    background: white;
    color: #7b3872;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.15rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 24px rgba(0,0,0,0.13);
    position: relative;
    overflow: hidden;
    margin-top: 10px;
    will-change: transform;
}
.cta-button:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 18px 45px rgba(0,0,0,0.19);
    background: #f8e8ff;
    color: #4e577e;
}
.features {
    background: white;
    padding: 72px 0 60px 0;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 34px;
}
.feature {
    text-align: center;
    padding: 34px 18px 30px 18px;
    border-radius: 20px;
    background: linear-gradient(135deg, #f8f9ff 0%, #f2ecf8 100%);
    box-shadow: 0 2px 18px 0 rgba(76,59,92,0.06);
    transition: transform 0.3s cubic-bezier(.37,.1,.37,1.43), box-shadow 0.2s;
    will-change: transform;
}
.feature:hover {
    transform: translateY(-7px) scale(1.025);
    box-shadow: 0 6px 32px 0 rgba(123,56,114,0.09);
}
.feature::before {
    content: attr(data-icon);
    font-size: 2.7rem;
    margin-bottom: 17px;
    display: block;
}
.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: #452c52;
    font-weight: 700;
}
.feature p {
    color: #57515e;
    line-height: 1.6;
}
.demo {
    background: linear-gradient(135deg, #4e577e 0%, #7b3872 100%);
    color: white;
    padding: 72px 0 72px 0;
    text-align: center;
}
.demo-title {
    font-size: 2.2rem;
    margin-bottom: 16px;
}
.demo-subtitle {
    font-size: 1.14rem;
    opacity: 0.93;
    margin-bottom: 32px;
}
.demo .cta-button {
    margin-top: 32px;
}
.chat-preview {
    background: rgba(255,255,255,0.09);
    border-radius: 18px;
    padding: 30px;
    max-width: 480px;
    margin: 38px auto 0;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 3px 28px 0 rgba(123,56,114,0.06);
}
.message {
    background: rgba(255,255,255,0.93);
    color: #262433;
    padding: 11px 16px;
    border-radius: 18px;
    margin: 10px 0;
    text-align: left;
    font-size: 1rem;
    box-shadow: 0 1px 6px rgba(123,56,114,0.04);
}
.message.aurora {
    background: linear-gradient(135deg, #ff6b6b, #ffd93d 95%);
    color: white;
    margin-left: 19px;
}
.message.user {
    background: rgba(255,255,255,0.95);
    margin-right: 19px;
}
.integrations {
    padding: 62px 0 44px 0;
    background: #f8f9ff;
    text-align: center;
}
.integrations h2 {
    font-size: 2rem;
    color: #4e577e;
    margin-bottom: 24px;
}
.integrations-list {
    display: flex;
    justify-content: center;
    gap: 36px;
    flex-wrap: wrap;
}
.integration-item {
    font-size: 1.25rem;
    padding: 10px 30px;
    background: white;
    border-radius: 18px;
    box-shadow: 0 2px 8px rgba(76,59,92,0.07);
    color: #4e577e;
    margin-bottom: 14px;
}
.integration-item.coming-soon {
    color: #6b6b6b;
}
.faq {
    background: white;
    padding: 62px 0 44px 0;
}
.faq h2 {
    font-size: 2rem;
    color: #7b3872;
    margin-bottom: 20px;
    text-align: center;
}
.faq-list {
    max-width: 650px;
    margin: 0 auto;
    color: #40324d;
}
.faq-item {
    margin-bottom: 28px;
}
.faq-item h3 {
    font-size: 1.12rem;
    margin-bottom: 7px;
    color: #573864;
    font-weight: 700;
}
.faq-item p {
    font-size: 1rem;
    color: #48414d;
    opacity: 0.96;
}
footer {
    background: #f2ecf8;
    color: #555169;
    text-align: center;
    padding: 32px 0 20px 0;
    font-size: 1rem;
}
footer a {
    color: #7b3872;
    text-decoration: underline;
    margin: 0 10px;
}

/* Articles section */
.article-index {
    background: white;
    padding: 60px 0;
}
.article-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
    padding: 0;
}
.article-list li {
    margin-bottom: 28px;
}
.article-list a {
    font-size: 1.3rem;
    color: #7b3872;
    text-decoration: underline;
    font-weight: 700;
}
.article-list p {
    color: #555169;
    opacity: 0.95;
}

/* Content pages (Privacy Policy, Terms & Conditions) */
.article {
    background: white;
    max-width: 800px;
    margin: 40px auto;
    padding: 60px 50px;
    border-radius: 12px;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.1);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.article h1 {
    font-size: 2.5rem;
    color: #7b3872;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.article h2 {
    font-size: 1.4rem;
    color: #573864;
    margin-top: 40px;
    margin-bottom: 20px;
    font-weight: 700;
    border-bottom: 2px solid #f2ecf8;
    padding-bottom: 8px;
}

.article h3 {
    font-size: 1.1rem;
    color: #40324d;
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 600;
}

.article p {
    color: #48414d;
    margin-bottom: 20px;
    font-size: 1rem;
    text-align: justify;
}

.article ul {
    margin: 20px 0;
    padding-left: 25px;
    color: #48414d;
}

.article li {
    margin-bottom: 8px;
    color: #48414d;
}

.article strong {
    color: #573864;
    font-weight: 600;
}

.article a {
    color: #7b3872;
    text-decoration: underline;
}

.article a:hover {
    color: #4e577e;
}

.article hr {
    border: none;
    height: 1px;
    background: #f2ecf8;
    margin: 40px 0;
}

/* Mobile responsive for content pages */
@media (max-width: 768px) {
    .logo { font-size: 2.1rem; }
    .tagline { font-size: 1.1rem; }
    .hero { padding: 46px 0 28px 0; }
    .features { padding: 40px 0 35px 0; }
    .demo { padding: 40px 0 40px 0; }
    .integrations { padding: 35px 0 28px 0; }
    .faq { padding: 38px 0 24px 0; }
    .feature { padding: 25px 10px 18px 10px; }
    .chat-preview { padding: 16px; }
    .article {
        margin: 20px 15px;
        padding: 40px 25px;
        border-radius: 8px;
    }
    
    .article h1 {
        font-size: 2rem;
        margin-bottom: 25px;
    }
    
    .article h2 {
        font-size: 1.25rem;
        margin-top: 30px;
    }
    
    .article h3 {
        font-size: 1.05rem;
    }
}