/* Prompt Ranks - Main Stylesheet */

:root {
    --primary: #6D5FFA;
    --primary-dark: #5B4FE8;
    --primary-light: #8B7FFF;
    --accent-magenta: #EC41FB;
    --accent-cyan: #3BB9FB;
    --accent-gold: #F59E0B;
    --accent-green: #10B981;

    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    --bg-page: #0B0D1A;
    --bg-card: #111428;
    --bg-card-hover: #161933;
    --bg-dark: #060810;
    --bg-input: #0F1224;

    --border: rgba(255,255,255,0.07);
    --border-hover: rgba(109,95,250,0.4);
    --border-glow: rgba(109,95,250,0.25);

    --shadow-glow: 0 0 40px rgba(109,95,250,0.35);
    --shadow-magenta: 0 0 40px rgba(236,65,251,0.25);
    --shadow-card: 0 8px 32px rgba(0,0,0,0.5);

    --radius: 8px;
    --radius-lg: 14px;
    --radius-xl: 22px;
    --radius-2xl: 32px;

    --gradient-primary: linear-gradient(135deg, #6D5FFA 0%, #8B5CF6 50%, #EC41FB 100%);
    --gradient-blue: linear-gradient(135deg, #3BB9FB 0%, #6D5FFA 100%);
    --gradient-text: linear-gradient(135deg, #A78BFA 0%, #60A5FA 50%, #EC41FB 100%);
    --gradient-hero: linear-gradient(160deg, #07091A 0%, #0E0B2E 40%, #0A0714 100%);
}

/* Reset */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
    color: var(--text-primary);
    background: var(--bg-page);
    overflow-x: hidden;
    line-height: 1.6;
}
img { max-width:100%; height:auto; }
a { text-decoration:none; color:inherit; transition: all 0.3s ease; }
ul { list-style:none; }

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

/* ─── LIQUID BLOB SYSTEM ─── */
.blob-field {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: morphBlob 12s ease-in-out infinite;
    will-change: transform;
}
.blob-1 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(109,95,250,0.5) 0%, rgba(109,95,250,0) 70%);
    top: -10%; right: -5%;
    animation-delay: 0s;
    animation-duration: 14s;
}
.blob-2 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(236,65,251,0.35) 0%, rgba(236,65,251,0) 70%);
    bottom: -10%; left: -5%;
    animation-delay: -4s;
    animation-duration: 18s;
}
.blob-3 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(59,185,251,0.3) 0%, rgba(59,185,251,0) 70%);
    top: 40%; left: 30%;
    animation-delay: -8s;
    animation-duration: 16s;
}
.blob-sm {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(109,95,250,0.3) 0%, rgba(109,95,250,0) 70%);
    animation-duration: 10s;
}
.blob-magenta-sm {
    width: 250px; height: 250px;
    background: radial-gradient(circle, rgba(236,65,251,0.25) 0%, rgba(236,65,251,0) 70%);
    animation-delay: -3s;
    animation-duration: 13s;
}

@keyframes morphBlob {
    0%   { transform: translate(0,0) scale(1); }
    20%  { transform: translate(20px,-30px) scale(1.05); }
    40%  { transform: translate(-15px,20px) scale(0.95); }
    60%  { transform: translate(25px,10px) scale(1.08); }
    80%  { transform: translate(-10px,-20px) scale(0.98); }
    100% { transform: translate(0,0) scale(1); }
}

/* ─── SCROLL ANIMATIONS ─── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left.visible { opacity:1; transform:translateX(0); }
.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right.visible { opacity:1; transform:translateX(0); }
.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-scale.visible { opacity:1; transform:scale(1); }

.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; }

/* ─── NAVBAR ─── */
.navbar {
    background: rgba(11,13,26,0.88);
    border-bottom: 1px solid var(--border);
    position: sticky; top:0; z-index: 1000;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    transition: all 0.3s ease;
}
.navbar.scrolled {
    background: rgba(11,13,26,0.97);
    box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.nav-wrapper {
    display: flex; align-items: center; justify-content: space-between;
    height: 68px;
}
.nav-logo {
    display: inline-flex; align-items: center; flex-shrink: 0;
}
.nav-logo-image {
    display: block;
    height: 34px;
    width: auto;
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--text-secondary); font-size: 0.9rem; font-weight: 500; position: relative; }
.nav-links a::after {
    content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px;
    background: var(--gradient-primary); border-radius:2px; transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width:100%; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-badge {
    background: rgba(109,95,250,0.15); border: 1px solid rgba(109,95,250,0.3);
    color: var(--primary-light); font-size: 0.75rem; padding: 3px 8px; border-radius: 20px;
    font-weight: 600;
}
.btn-nav { padding: 9px 20px; border-radius: var(--radius-lg); font-size: 0.88rem; font-weight: 600; cursor: pointer; transition: all 0.3s ease; }
.btn-nav-outline {
    background: transparent; border: 1px solid var(--border-hover);
    color: var(--text-secondary);
}
.btn-nav-outline:hover { border-color: var(--primary); color: var(--primary-light); background: rgba(109,95,250,0.08); }
.btn-nav-primary {
    background: var(--gradient-primary); border: none; color: white;
    box-shadow: 0 0 20px rgba(109,95,250,0.4);
}
.btn-nav-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 30px rgba(109,95,250,0.6); }

/* Mobile nav */
.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; padding:4px; }
.hamburger span { display:block; width:22px; height:2px; background: var(--text-secondary); border-radius:2px; transition: all 0.3s ease; }
.mobile-menu {
    display:none; background: rgba(11,13,26,0.97); border-top: 1px solid var(--border);
    padding: 16px 24px 24px;
}
.mobile-menu.open { display:block; }
.mobile-menu a { display:block; padding: 12px 0; color: var(--text-secondary); border-bottom: 1px solid var(--border); }
.mobile-menu a:last-child { border:none; }
.mobile-menu-lang {
    padding-top: 16px;
}
.mobile-menu-lang-label {
    margin-bottom: 12px;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.mobile-menu-lang-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}
.mobile-menu .lang-option {
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.03);
    color: var(--text-secondary);
    justify-content: center;
}
.mobile-menu .lang-option.active {
    border-color: rgba(109,95,250,0.45);
    color: #A78BFA;
    background: rgba(109,95,250,0.12);
}

/* ─── BUTTONS ─── */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: var(--radius-xl);
    font-size: 0.95rem; font-weight: 600; cursor: pointer;
    transition: all 0.3s ease; border: none; text-decoration: none;
}
.btn-primary {
    background: var(--gradient-primary); color: white;
    box-shadow: 0 0 24px rgba(109,95,250,0.4);
    position: relative; overflow: hidden;
}
.btn-primary::before {
    content:''; position:absolute; inset:0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
    opacity:0; transition: opacity 0.3s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 40px rgba(109,95,250,0.6); }
.btn-primary:hover::before { opacity:1; }
.btn-secondary {
    background: rgba(109,95,250,0.1); color: var(--primary-light);
    border: 1px solid rgba(109,95,250,0.3);
}
.btn-secondary:hover { background: rgba(109,95,250,0.2); border-color: var(--primary); transform: translateY(-1px); }
.btn-ghost {
    background: transparent; color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--border-hover); color: var(--text-primary); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: 28px; }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; border-radius: var(--radius-lg); }

/* ─── BADGE / PILL ─── */
.badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 600;
}
.badge-primary { background: rgba(109,95,250,0.15); border: 1px solid rgba(109,95,250,0.3); color: #A78BFA; }
.badge-green   { background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.3); color: #34D399; }
.badge-gold    { background: rgba(245,158,11,0.12); border: 1px solid rgba(245,158,11,0.3); color: #FBD24C; }
.badge-magenta { background: rgba(236,65,251,0.12); border: 1px solid rgba(236,65,251,0.3); color: #F0A6FA; }
.badge-cyan    { background: rgba(59,185,251,0.12); border: 1px solid rgba(59,185,251,0.3); color: #7DD3FC; }
.badge-free    { background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.35); color: #10B981; }
.badge-premium { background: rgba(245,158,11,0.15); border: 1px solid rgba(245,158,11,0.35); color: #F59E0B; }

/* ─── SECTION SCAFFOLD ─── */
section { position: relative; }
.section-pad { padding: 100px 0; }
.section-pad-sm { padding: 60px 0; }
.section-label {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--primary-light); margin-bottom: 16px;
}
.section-label::before, .section-label::after {
    content:''; flex:1; height:1px; background: var(--border-glow);
}
.section-label-wrap { text-align:center; }
.section-label-wrap .section-label { width:auto; }
h2.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800;
    line-height: 1.15; margin-bottom: 20px;
}
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    background-size: 200% auto;
    animation: gradientShift 4s ease infinite;
}
@keyframes gradientShift {
    0%   { background-position: 0% center; }
    50%  { background-position: 100% center; }
    100% { background-position: 0% center; }
}
.section-desc { color: var(--text-secondary); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* ─── GLASS CARD ─── */
.glass-card {
    background: rgba(17,20,40,0.7);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.4s ease;
}
.glass-card:hover {
    border-color: var(--border-glow);
    background: rgba(20,23,50,0.8);
    transform: translateY(-4px);
    box-shadow: 0 16px 50px rgba(0,0,0,0.4), 0 0 30px rgba(109,95,250,0.15);
}

/* ─── HERO ─── */
.hero {
    min-height: 100vh;
    background: var(--gradient-hero);
    display: flex; align-items: center;
    position: relative;
    overflow: hidden;
    padding: 100px 0 60px;
}
.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 60px; align-items: center;
    position: relative; z-index: 1;
}
.hero-content {
    min-width: 0;
    transform: translateZ(0);
    contain: layout style;
}
.hero-tag {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(109,95,250,0.12); border: 1px solid rgba(109,95,250,0.3);
    color: #A78BFA; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.05em;
    padding: 7px 14px; border-radius: 20px; margin-bottom: 24px;
    animation: heroFadeIn 0.8s ease both;
}
.hero-tag .dot { width:6px; height:6px; background:#A78BFA; border-radius:50%; animation: pulseDot 2s ease infinite; }
@keyframes pulseDot { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:0.4;transform:scale(0.7);} }
@keyframes heroFadeIn { from{opacity:0;transform:translateY(20px);} to{opacity:1;transform:translateY(0);} }
@keyframes heroFadeInOpacity { from{opacity:0;} to{opacity:1;} }

.hero h1 {
    font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 900; line-height: 1.1;
    margin-bottom: 24px;
    animation: heroFadeIn 0.8s ease 0.1s both;
}
.hero-desc {
    color: var(--text-secondary); font-size: 1.15rem; line-height: 1.7;
    margin-bottom: 36px; max-width: 520px;
    animation: heroFadeIn 0.8s ease 0.2s both;
}
.hero-actions {
    display: flex; gap: 14px; flex-wrap: wrap;
    animation: heroFadeIn 0.8s ease 0.3s both;
}
.hero-stats {
    display: grid;
    grid-template-columns: minmax(112px, max-content) 1px minmax(135px, max-content) 1px minmax(155px, max-content);
    column-gap: 22px;
    align-items: stretch;
    margin-top: 48px;
    max-width: 560px;
    animation: heroFadeIn 0.8s ease 0.4s both;
}
.hero-stat { text-align:left; min-width:0; }
.hero-stat .number {
    color: #fff;
    font-size: 28px;
    font-weight: 800;
    line-height: 51.2px;
    white-space: nowrap;
}
.hero-stat .label {
    color: var(--text-muted);
    font-size: 12.8px;
    line-height: 20.48px;
    white-space: nowrap;
}
.hero-divider { width:1px; background: var(--border); align-self: stretch; }

/* Hero right: floating card scene */
.hero-visual {
    position: relative; display:flex; justify-content:center; align-items:center;
    animation: heroFadeInOpacity 0.8s ease 0.3s both;
    will-change: opacity;
}
.hero-card-main {
    background: rgba(17,20,40,0.85);
    border: 1px solid rgba(109,95,250,0.25);
    border-radius: var(--radius-2xl);
    padding: 32px;
    width: 340px;
    backdrop-filter: blur(24px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 50px rgba(109,95,250,0.2);
    animation: floatCard 7s cubic-bezier(0.45,0.05,0.55,0.95) infinite;
    position: relative; z-index: 2;
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}
@keyframes floatCard {
    0%   { transform: translateZ(0) translateY(0px); }
    50%  { transform: translateZ(0) translateY(-16px); }
    100% { transform: translateZ(0) translateY(0px); }
}

.hero-card-mini {
    position: absolute; background: rgba(20,23,48,0.9);
    border: 1px solid rgba(236,65,251,0.2); border-radius: var(--radius-xl);
    padding: 14px 18px; backdrop-filter: blur(16px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.4), 0 0 20px rgba(236,65,251,0.15);
    font-size:0.82rem; white-space:nowrap; z-index:3;
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}
.hero-card-mini-1 {
    top: -23px; right: 40px;
    animation: floatMini1 6s cubic-bezier(0.45,0.05,0.55,0.95) infinite;
    animation-delay: -2s;
}
.hero-card-mini-2 {
    bottom: -112px; left: 50px;
    animation: floatMini2 8s cubic-bezier(0.45,0.05,0.55,0.95) infinite;
    animation-delay: -4s;
}
.hero-card-video {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 15px 19px;
    border-radius: 22px;
    white-space: normal;
}
.hero-card-video-title {
    color: #fff;
    font-size: 13.1px;
    font-weight: 500;
    line-height: 20.99px;
    white-space: nowrap;
}
.hero-card-video-image {
    display: block;
    width: 144px;
    height: 84px;
    object-fit: cover;
    border: 1px solid #000;
    border-radius: 7px;
}
@keyframes floatMini1 {
    0%   { transform: translateZ(0) translateY(0px); }
    50%  { transform: translateZ(0) translateY(-10px); }
    100% { transform: translateZ(0) translateY(0px); }
}
@keyframes floatMini2 {
    0%   { transform: translateZ(0) translateY(0px); }
    50%  { transform: translateZ(0) translateY(10px); }
    100% { transform: translateZ(0) translateY(0px); }
}

.rank-badge {
    display:flex; align-items:center; gap:10px; margin-bottom:20px;
}
.rank-orb {
    width:48px; height:48px; border-radius:50%;
    background: var(--gradient-primary);
    display:flex; align-items:center; justify-content:center;
    font-size:1.3rem; font-weight:800; color:white;
    box-shadow: 0 0 20px rgba(109,95,250,0.6);
    overflow: hidden;
}
.rank-orb img {
    display: block;
    width: 48px;
    height: 48px;
    object-fit: cover;
}
.rank-info .rank-name { font-weight:700; font-size:0.95rem; }
.rank-info .rank-title { font-size:0.78rem; color:var(--text-muted); }
.hero-score {
    display: flex;
    align-items: baseline;
    gap: 12px;
    font-size: 1.6rem;
    font-weight: 900;
    line-height: 1.6;
    white-space: nowrap;
}
.hero-score-level {
    color: var(--accent-green);
    font-size: 1.5rem;
    font-weight: 500;
}
.score-bar-wrap { margin-bottom:16px; }
.score-bar-label { display:flex; justify-content:space-between; font-size:0.78rem; color:var(--text-secondary); margin-bottom:6px; }
.score-bar-track {
    height:6px; background: rgba(255,255,255,0.08); border-radius:3px; overflow:hidden;
}
.score-bar-fill {
    height:100%; border-radius:3px;
    background: var(--gradient-primary);
    transition: width 1.5s ease;
    box-shadow: 0 0 10px rgba(109,95,250,0.6);
}
.score-bar-fill.cyan { background: linear-gradient(90deg,#3BB9FB,#6D5FFA); }
.score-bar-fill.magenta { background: linear-gradient(90deg,#EC41FB,#8B5CF6); }

/* ─── STATS STRIP ─── */
.stats-strip {
    background: rgba(17,20,40,0.6);
    border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
    padding: 32px 0;
    backdrop-filter: blur(10px);
}
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:0; }
.stat-item {
    text-align:center; padding: 0 24px;
    border-right: 1px solid var(--border);
    transition: all 0.3s ease;
}
.stat-item:last-child { border-right:none; }
.stat-item:hover .stat-number { text-shadow: 0 0 20px rgba(109,95,250,0.6); }
.stat-number {
    font-size:2.2rem; font-weight:800;
    background: var(--gradient-text); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.stat-label { font-size:0.82rem; color:var(--text-muted); margin-top:4px; }

/* ─── PROBLEM SECTION ─── */
.problem-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:48px; }
.problem-card {
    padding: 28px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius:var(--radius-xl);
    position:relative; overflow:hidden; transition:all 0.4s ease;
}
.problem-card::before {
    content:''; position:absolute; top:0; left:0; right:0; height:2px;
    background: var(--gradient-primary); transform:scaleX(0); transform-origin:left;
    transition: transform 0.4s ease;
}
.problem-card:hover { border-color:var(--border-glow); transform:translateY(-4px); box-shadow:var(--shadow-card); }
.problem-card:hover::before { transform:scaleX(1); }
.problem-icon { font-size:2rem; margin-bottom:14px; display:block; }
.problem-card h3 { font-size:1.05rem; font-weight:700; margin-bottom:10px; }
.problem-card p { color:var(--text-secondary); font-size:0.9rem; line-height:1.6; }

/* ─── HOW IT WORKS ─── */
.hiw-bg { background: linear-gradient(180deg, var(--bg-page) 0%, rgba(14,11,46,0.6) 50%, var(--bg-page) 100%); }
.hiw-steps { display:grid; grid-template-columns:repeat(3,1fr); gap:32px; margin-top:56px; position:relative; }
.hiw-steps::before {
    content:''; position:absolute; top:40px; left:16%; right:16%; height:1px;
    background: linear-gradient(90deg, transparent, var(--border-glow), var(--primary), var(--border-glow), transparent);
}
.step-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius:var(--radius-xl);
    padding:32px 24px; text-align:center; position:relative;
    transition: all 0.4s ease;
}
.step-card:hover { border-color:var(--border-glow); transform:translateY(-6px); box-shadow:0 20px 50px rgba(0,0,0,0.4), 0 0 30px rgba(109,95,250,0.12); }
.step-number {
    width:64px; height:64px; border-radius:50%;
    background: var(--gradient-primary);
    display:flex; align-items:center; justify-content:center;
    font-size:1.4rem; font-weight:900; color:white; margin:0 auto 20px;
    box-shadow: 0 0 24px rgba(109,95,250,0.5);
    position:relative; z-index:1;
}
.step-card h3 { font-size:1.1rem; font-weight:700; margin-bottom:10px; }
.step-card p { color:var(--text-secondary); font-size:0.9rem; line-height:1.6; }

/* ─── LEVELS ─── */
.levels-section { background: var(--bg-dark); }
.levels-grid { display:flex; flex-direction:column; gap:16px; margin-top:48px; }
.level-row {
    display:grid; grid-template-columns: 80px 1fr 200px 180px;
    align-items:center; gap:24px;
    background: var(--bg-card); border:1px solid var(--border);
    border-radius:var(--radius-xl); padding:20px 28px;
    transition: all 0.4s ease; cursor:default;
}
.level-row:hover {
    border-color:var(--border-glow);
    transform:translateX(6px);
    box-shadow: 0 8px 40px rgba(0,0,0,0.4), -4px 0 20px rgba(109,95,250,0.15);
}
.level-badge-lg {
    width:60px; height:60px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-size:1.5rem; font-weight:900;
    box-shadow: 0 0 20px currentColor;
}
.level-badge-lg.l1 { background:rgba(100,116,139,0.2); color:#64748B; }
.level-badge-lg.l2 { background:rgba(16,185,129,0.15); color:#10B981; }
.level-badge-lg.l3 { background:rgba(59,130,246,0.15); color:#60A5FA; }
.level-badge-lg.l4 { background:rgba(109,95,250,0.2); color:#8B7FFF; }
.level-badge-lg.l5 { background:rgba(236,65,251,0.2); color:#EC41FB; }
.level-info h3 { font-size:1.05rem; font-weight:700; margin-bottom:4px; }
.level-info p { color:var(--text-secondary); font-size:0.88rem; }
.level-score { text-align:right; }
.level-score .score { font-size:1.2rem; font-weight:700; }
.level-score .score-desc { font-size:0.75rem; color:var(--text-muted); }
.level-actions .btn-sm { width:100%; justify-content:center; }

/* ─── PILLARS ─── */
.pillars-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:20px; margin-top:48px; }
.pillar-card {
    background: var(--bg-card); border:0; border-radius:var(--radius-xl);
    padding:28px 20px; text-align:center; position:relative; overflow:hidden;
    transition: all 0.4s ease;
}
.pillar-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-card); }
.pillar-p { background: var(--gradient-primary); }
.pillar-e { background: linear-gradient(90deg,#3BB9FB,#6D5FFA); }
.pillar-c { background: linear-gradient(90deg,#10B981,#3BB9FB); }
.pillar-m { background: linear-gradient(90deg,#F59E0B,#EC41FB); }
.pillar-a { background: linear-gradient(90deg,#EC41FB,#6D5FFA); }
.pillar-icon { font-size:2rem; margin-bottom:14px; display:block; }
.pillar-letter {
    font-size:2.5rem; font-weight:900; margin-bottom:8px;
    color:#fff;
}
.pillar-card h3 { color:#fff; font-size:0.9rem; font-weight:700; margin-bottom:8px; }
.pillar-card p { color:#fff; font-size:0.8rem; line-height:1.5; }

/* ─── MODULES ─── */
.modules-bg { background: linear-gradient(180deg, var(--bg-page) 0%, rgba(14,11,46,0.5) 50%, var(--bg-page) 100%); }
.modules-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-top:48px; }
.module-card {
    background: linear-gradient(180deg, rgba(21,24,46,0.6) 0%, rgba(15,17,35,0.8) 100%);
    border:1px solid rgba(139,92,246,0.15); border-radius:16px;
    padding:24px; position:relative; overflow:hidden; transition:all 0.4s ease;
    min-height:326px;
}
.module-card.featured {
    border-color: rgba(109,95,250,0.4);
    box-shadow: 0 0 24px rgba(139,92,246,0.08), inset 0 1px 0 rgba(255,255,255,0.03);
}
.module-card:hover { border-color:var(--border-glow); transform:translateY(-4px); box-shadow:var(--shadow-card); }
.module-card-core {
    grid-column:1 / -1; min-height:0; padding:30px 24px;
    display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.module-core-content { min-width:0; max-width:820px; }
.module-core-cta { flex:0 0 auto; }
.module-header { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:14px; }
.module-icon {
    width:44px; height:44px; border-radius:12px; margin-bottom:20px;
    display:inline-flex; align-items:center; justify-content:center;
    background:rgba(28,32,59,0.5); border:1px solid rgba(34,197,94,0.1);
    color:#00FF88; font-size:1.2rem; line-height:1;
}
.module-icon-image {
    display:block; width:44px; height:64px; margin-bottom:0;
    background:none; border:0; border-radius:0; object-fit:contain; object-position:left top;
}
.module-card-core .module-icon { margin-bottom:0; }
.module-card-core .module-icon-image { height:44px; }
.module-title { color:#fff; font-size:1.05rem; font-weight:700; line-height:1.55; margin-bottom:10px; }
.module-desc { color:var(--text-secondary); font-size:0.88rem; line-height:1.62; margin-bottom:20px; }
.module-topics { display:flex; flex-wrap:wrap; gap:6px; margin-bottom:20px; }
.module-card-core .module-topics { margin-bottom:0; }
.module-topic {
    display:inline-flex; align-items:center; gap:8px;
    font-size:12px; line-height:16px; padding:6px 12px; border-radius:999px;
    background:rgba(139,92,246,0.08); border:1px solid rgba(139,92,246,0.25); color:#C4B5FD;
    box-shadow:0 0 8px rgba(139,92,246,0.1);
}
.module-topic-icon-shell {
    width:20px; height:20px; border-radius:999px; flex:0 0 auto;
    display:inline-flex; align-items:center; justify-content:center;
    background:rgba(139,92,246,0.15); box-shadow:0 0 12px rgba(139,92,246,0.2);
}
.module-topic-icon { width:auto; height:10px; max-width:13px; flex:0 0 auto; object-fit:contain; }
.module-price { font-size:1.3rem; font-weight:800; color:var(--text-primary); }
.module-price span { font-size:0.8rem; color:var(--text-muted); font-weight:400; }
.module-card-glow {
    position:absolute; width:200px; height:200px; border-radius:50%;
    background:radial-gradient(circle,rgba(109,95,250,0.12),transparent 70%);
    bottom:-50px; right:-50px; pointer-events:none;
}

/* ─── LEADERBOARD PREVIEW ─── */
.leaderboard-section { background:var(--bg-dark); }
.leaderboard-preview {
    background: var(--bg-card); border:1px solid var(--border);
    border-radius:var(--radius-2xl); overflow:hidden;
    max-width:720px; margin:48px auto 0;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(109,95,250,0.1);
}
.lb-header {
    background:rgba(109,95,250,0.1); border-bottom:1px solid var(--border);
    padding:16px 28px; display:flex; justify-content:space-between; align-items:center;
}
.lb-title { font-weight:700; font-size:0.95rem; }
.lb-row {
    display:grid; grid-template-columns: 40px 1fr 80px 100px 80px;
    gap:16px; align-items:center; padding:14px 28px;
    border-bottom:1px solid var(--border); transition:all 0.3s ease;
}
.lb-row:last-child { border:none; }
.lb-row:hover { background:rgba(109,95,250,0.05); }
.lb-rank { font-weight:700; font-size:0.9rem; color:var(--text-muted); }
.lb-rank.top1 { color:#F59E0B; }
.lb-rank.top2 { color:#94A3B8; }
.lb-rank.top3 { color:#CD7F32; }
.lb-name { font-size:0.88rem; font-weight:600; display:flex; align-items:center; gap:8px; }
.lb-avatar-image {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: block;
    object-fit: cover;
    flex-shrink: 0;
}
.lb-score { font-size:0.95rem; font-weight:700; text-align:right; background:var(--gradient-text); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.lb-level { font-size:0.75rem; }
.lb-badge {
    font-size:1rem;
    text-align:center;
    display:flex;
    align-items:center;
    justify-content:center;
}
.lb-badge-image {
    width: 28px;
    height: 28px;
    display: block;
    object-fit: contain;
}

/* ─── OPEN SOURCE ─── */
.oss-card {
    background:linear-gradient(135deg, rgba(17,20,40,0.8) 0%, rgba(14,11,46,0.9) 100%);
    border:1px solid rgba(109,95,250,0.2); border-radius:var(--radius-2xl);
    padding:56px; text-align:center; position:relative; overflow:hidden;
    max-width:880px; margin:0 auto;
}
.oss-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; margin-top:40px; }
.oss-item { text-align:center; }
.oss-item .icon { font-size:2rem; margin-bottom:10px; }
.oss-item h4 { font-size:0.95rem; font-weight:700; margin-bottom:6px; }
.oss-item p { color:var(--text-secondary); font-size:0.85rem; }

/* ─── SCOPE LABS CTA ─── */
.scopelabs-cta {
    background: linear-gradient(135deg, rgba(109,95,250,0.15) 0%, rgba(236,65,251,0.1) 50%, rgba(59,185,251,0.1) 100%);
    border:1px solid rgba(109,95,250,0.2); border-radius:var(--radius-2xl);
    padding:64px 48px; text-align:center; position:relative; overflow:hidden;
    max-width:900px; margin:0 auto;
}
.cta-logo-pair { display:flex; align-items:center; justify-content:center; gap:20px; margin-bottom:32px; }
.cta-logo-icon {
    width:64px; height:64px; border-radius:18px;
    background:rgba(255,255,255,0.04);
    border:1px solid rgba(109,95,250,0.24);
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 0 24px rgba(109,95,250,0.18);
}
.cta-logo-image { display:block; width:38px; height:38px; }
.cta-logo-divider { font-size:1.5rem; color:var(--text-muted); }
.cta-logo-icon.scope { background:linear-gradient(135deg,#3BB9FB,#6D5FFA); }

/* ─── FOOTER ─── */
footer {
    background:var(--bg-dark); border-top:1px solid var(--border);
    padding:64px 0 32px;
}
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; margin-bottom:48px; }
.footer-brand { }
.footer-logo { display:flex; align-items:center; margin-bottom:16px; }
.footer-logo-image {
    display:block;
    height:40px;
    width:auto;
    max-width:100%;
}
.footer-tagline { color:var(--text-muted); font-size:0.88rem; line-height:1.6; max-width:280px; margin-bottom:20px; }
.footer-social { display:flex; gap:10px; }
.social-btn {
    width:36px; height:36px; border-radius:9px;
    background:rgba(255,255,255,0.05); border:1px solid var(--border);
    display:flex; align-items:center; justify-content:center;
    font-size:1rem; transition:all 0.3s ease;
}
.social-btn:hover { background:rgba(109,95,250,0.15); border-color:rgba(109,95,250,0.3); transform:translateY(-2px); }
.footer-col h4 { font-size:0.88rem; font-weight:700; color:var(--text-primary); margin-bottom:16px; letter-spacing:0.05em; text-transform:uppercase; }
.footer-col ul li { margin-bottom:10px; }
.footer-col ul li a { color:var(--text-muted); font-size:0.88rem; }
.footer-col ul li a:hover { color:var(--primary-light); }
.footer-bottom { border-top:1px solid var(--border); padding-top:24px; display:flex; justify-content:space-between; align-items:center; }
.footer-copy { color:var(--text-muted); font-size:0.82rem; }
.footer-links { display:flex; gap:20px; }
.footer-links a { color:var(--text-muted); font-size:0.82rem; }
.footer-links a:hover { color:var(--text-secondary); }

/* ─── FLOATING PARTICLES ─── */
.particle {
    position:absolute; border-radius:50%; pointer-events:none;
    animation: particleDrift linear infinite;
    opacity:0;
}
@keyframes particleDrift {
    0%   { transform:translateY(100px) scale(0); opacity:0; }
    10%  { opacity:1; }
    90%  { opacity:0.6; }
    100% { transform:translateY(-100vh) scale(1.5); opacity:0; }
}

/* ─── RESPONSIVE ─── */
@media (max-width:1024px) {
    .pillars-grid { grid-template-columns:repeat(3,1fr); }
    .modules-grid { grid-template-columns:repeat(2,1fr); }
    .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:768px) {
    .nav-logo-image { height:30px; }
    .hero-grid { grid-template-columns:1fr; gap:40px; }
    .hero-visual { display:none; }
    .hero h1 { font-size:2.2rem; }
    .hero-stats {
        grid-template-columns: minmax(92px, max-content) 1px minmax(116px, max-content) 1px minmax(132px, max-content);
        column-gap: 16px;
        max-width: 100%;
    }
    .stats-grid { grid-template-columns:repeat(2,1fr); }
    .stat-item { border-right:none; border-bottom:1px solid var(--border); padding:16px 0; }
    .stat-item:nth-child(odd) { border-right:1px solid var(--border); }
    .stats-grid .stat-item:nth-last-child(-n+2) { border-bottom:none; }
    .problem-grid { grid-template-columns:1fr; }
    .hiw-steps { grid-template-columns:1fr; }
    .hiw-steps::before { display:none; }
    .level-row { grid-template-columns:60px 1fr; }
    .level-score, .level-actions { display:none; }
    .pillars-grid { grid-template-columns:repeat(2,1fr); }
    .modules-grid { grid-template-columns:1fr; }
    .module-card-core { flex-direction:column; align-items:flex-start; }
    .module-core-cta { width:100%; justify-content:center; }
    .lb-row { grid-template-columns:30px 1fr 70px; }
    .lb-level, .lb-badge { display:none; }
    .oss-grid { grid-template-columns:1fr; }
    .footer-grid { grid-template-columns:1fr; gap:32px; }
    .footer-bottom { flex-direction:column; gap:12px; text-align:center; }
    .nav-links, .nav-actions { display:none; }
    .hamburger { display:flex; }
    .section-pad { padding:64px 0; }
    .oss-card { padding:36px 24px; }
    .scopelabs-cta { padding:40px 24px; }
}
@media (max-width:480px) {
    .nav-logo-image { height:28px; }
    .footer-logo-image { height:34px; }
    .hero h1 { font-size:1.9rem; }
    .hero-actions { flex-direction:column; }
    .hero-actions .btn { width:100%; justify-content:center; }
    .hero-stats {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        column-gap: 14px;
    }
    .hero-divider { display:none; }
    .hero-stat .number { font-size:22px; line-height:32px; }
    .hero-stat .label {
        font-size:11.8px;
        line-height:17px;
        white-space: normal;
    }
}