:root {
    --white:    #FFFFFF;
    --gray-1:   #F5F5F7;  /* Apple section bg */
    --gray-2:   #E8E8ED;
    --gray-3:   #D2D2D7;
    --text-1:   #1D1D1F;  /* Apple near-black */
    --text-2:   #424245;
    --text-3:   #6E6E73;  /* Apple secondary */
    --blue:     #0066CC;  /* Apple blue */
    --blue-lt:  #E8F0FA;
    --gold:     #8A7A68;  /* brand accent — used sparingly */
    --gold-lt:  #F0EBE3;
    --score-g:  #1C7C3A;  /* score green text */
    --score-gb: #E8F5EC;  /* score green bg */
    --score-y:  #8A6500;
    --score-yb: #FFF8E0;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-w: 1200px;
    --nav-h: 52px;
    --r: 12px;
}

html { scroll-behavior: smooth; }
body { background: var(--white); color: var(--text-1); font-family: var(--font); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 22px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ── NAVBAR ── */
.navbar {
    position: sticky; top: 0; z-index: 100;
    height: var(--nav-h);
    background: rgba(255,255,255,0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.08);
}
.navbar-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.logo img{
    width: 100px;
    display: block;
    margin-top: -2px;
}
#home_gallery {
    position: absolute;
    left: 0;
    margin-top: 20px;
}
.logo-dot { color: var(--gold); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { font-size: 0.8125rem; font-weight: 400; color: var(--text-2); text-decoration: none; transition: color 0.15s; }
.nav-links a:hover { color: var(--blue); }

/* ── HERO ── */
.hero { padding: 88px 0 72px; text-align: center;     background: url(index.svg?sdf) no-repeat;
    background-size: cover;}
.hero-eyebrow {
    display: inline-block;
    font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
    color: #79ceff; margin-bottom: 20px;
}
.hero h1 {
    font-size: clamp(2.2rem, 5.5vw, 3.7rem);
    font-weight: 700; letter-spacing: -0.025em; line-height: 1.08;
    color: #fff; margin-bottom: 18px;
}
.hero h1 .accent { color: #ffffff; }
.hero-sub { font-size: 1rem;
    font-weight: 400;
    color: #e4efff;
    max-width: 768px;
    margin: 20px auto;
    line-height: 1.65; }
.search-wrap {
    display: flex; align-items: center; gap: 10px;
    background: var(--white); border: 1px solid var(--gray-2);
    border-radius: 14px; padding: 8px 8px 8px 18px;
    max-width: 580px; margin: 0 auto;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06), 0 0 0 0 rgba(0,102,204,0);
    transition: box-shadow 0.2s, border-color 0.2s;
}
.search-wrapper{
    position: relative;
}
.search-wrapper #search_input{
    height: 50px;
}
.search-wrapper #stype{
    margin-top: 50px;    text-align: left;
}
.search-wrapper #search_sub{
    width: 50px;
    height: 50px;
    margin-top: -49px;
}
.search-wrapper #search_form{
    left: 0;
    height: 50px;
}
.hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 106px; }
.hero-tag {font-size: 0.8125rem;
    color: #ffffff;
    padding: 5px 13px;
    border: 1px solid #ffffff;
    border-radius: 6px;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s; }
.hero-tag:hover { color: var(--blue); border-color: var(--blue); background: var(--blue-lt); }

/* ── TICKER ── */
.ticker-wrap { background: var(--gray-1); border-top: 1px solid var(--gray-2); border-bottom: 1px solid var(--gray-2); padding: 10px 0; overflow: hidden; }
.ticker-track { display: flex; animation: ticker 30s linear infinite; white-space: nowrap; }
.ticker-item { display: inline-flex; align-items: center; gap: 7px; padding: 0 28px; font-size: 0.6875rem; font-weight: 500; letter-spacing: 0.09em; text-transform: uppercase; color: var(--text-3); border-right: 1px solid var(--gray-2); }
.ticker-item .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--gold); }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ticker-wrap:hover .ticker-track { animation-play-state: paused; }
@media (prefers-reduced-motion: reduce) { .ticker-track { animation: none; } }

/* ── SHARED SECTION STYLES ── */
.section-gray { background: var(--gray-1); }
section { padding: 88px 0; }
.section-label { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold); margin-bottom: 10px; }
.section-heading { font-size: clamp(1.6rem, 2.8vw, 2.4rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; color: var(--text-1); margin-bottom: 16px; }
.section-body { font-size: 1rem; line-height: 1.75; color: var(--text-3); max-width: 680px; }
.section-body p + p { margin-top: 0.9em; }
hr.divider { border: none; border-top: 1px solid var(--gray-2); }

/* ── AI PARADIGM ── */
.paradigm-intro { max-width: 640px; margin-bottom: 64px; }
.dim-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--gray-2); border: 1px solid var(--gray-2); border-radius: var(--r); overflow: hidden; }
.dim-card { background: var(--white); padding: 28px 24px; transition: background 0.15s; }
.dim-card:hover { background: #FAFAFA; }
.dim-icon { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.dim-icon .material-icons-outlined { font-size: 20px; color: var(--blue); }
.dim-title { font-size: 0.9375rem; font-weight: 600; color: var(--text-1); }
.dim-desc { font-size: 0.875rem; line-height: 1.7; color: var(--text-3); margin-top: 6px; }

.use-list-wrap { margin-top: 56px; }
.use-list-heading { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.015em; color: var(--text-1); margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--gray-2); }
.use-list { list-style: none; display: flex; flex-direction: column; gap: 0; }
.use-item { display: flex; align-items: flex-start; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--gray-2); font-size: 0.9375rem; color: var(--text-2); line-height: 1.6; background: none}
.use-item:last-child { border-bottom: none; }
.use-num { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 50%; background: var(--blue-lt); font-size: 0.625rem; font-weight: 700; color: var(--blue); flex-shrink: 0; margin-top: 2px; }
.use-item strong { color: var(--text-1); font-weight: 600; }
#collections #list_ul{margin-top: 30px}

/* ── VISUAL ATTRIBUTES SHOWCASE ── */
.attr-intro { max-width: 680px; margin-bottom: 52px; }
.attr-groups { display: flex; flex-direction: column; gap: 48px; }
.attr-group-heading {
    font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--gold); margin-bottom: 20px;
    display: flex; align-items: center; gap: 10px;
}
.attr-group-heading::after { content: ''; flex: 1; height: 1px; background: var(--gray-2); }
.attr-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.attr-card {
    background: var(--white); border: 1px solid var(--gray-2); border-radius: var(--r);
    padding: 20px 20px 16px;
}
.attr-card-header { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.attr-card-header .material-icons-outlined { font-size: 18px; color: var(--blue); flex-shrink: 0; }
.attr-name { font-size: 0.875rem; font-weight: 600; color: var(--text-1); }
.attr-desc { font-size: 0.8125rem; color: var(--text-3); line-height: 1.6; margin-bottom: 12px; }
.attr-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.attr-tag {
    font-size: 0.6875rem; font-weight: 400; color: var(--text-2);
    padding: 3px 9px; border: 1px solid var(--gray-2); border-radius: 20px;
    background: var(--gray-1); white-space: nowrap;
}
/* ── RESPONSIVE ── */
@media (max-width: 960px) {
    .dim-grid { grid-template-columns: repeat(2, 1fr); }
    .attr-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
    .footer-grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
    .nav-links { gap: 18px; }
    .hero { padding: 60px 0 48px; }
    section { padding: 60px 0; }
    .dim-grid { grid-template-columns: 1fr; }
    .attr-grid { grid-template-columns: 1fr; }
    .image-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-seo { text-align: left; }
}
@media (max-width: 380px) { .image-grid { grid-template-columns: 1fr; } }