/**
 * Panium Landing Page v2
 * With interlocking cogs and spinning rings
 * 
 * Created: December 23, 2025
 */

:root {
    --core-gold: #F4B942;
    --core-orange: #E8852E;
    --service-blue: #4ECDC4;
    --service-purple: #9B59B6;
    --backbone-cyan: #00D4FF;
    --backbone-green: #2ECC71;
    --dark-bg: #0A0E17;
    --darker-bg: #050810;
    --ring-opacity: 0.3;
    --title-gray: rgba(255,255,255,0.5);
    --gear-color: #E9E581;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--dark-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: 'TrajanPro', serif;
    overflow-x: hidden;
    position: relative;
}

/* Starfield background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 40% 70%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 60% 20%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 80% 50%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 10% 80%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 10%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 90%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 25% 45%, rgba(255,255,255,0.9) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 75% 85%, rgba(255,255,255,0.8) 0%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

/* Header section */
.header-section {
    text-align: center;
    margin-bottom: 20px;
    z-index: 10;
}

.main-title {
    font-family: 'TrajanPro', serif;
    font-size: 72px;
    font-weight: bold;
    color: var(--title-gray);
    letter-spacing: 20px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.tagline {
    font-family: 'TrajanPro', serif;
    font-size: 14px;
    color: var(--title-gray);
    letter-spacing: 8px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.value-prop {
    font-family: 'TrajanPro', serif;
    font-size: 16px;
    color: var(--title-gray);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.ecosystem {
    position: relative;
    width: 900px;
    height: 900px;
    z-index: 1;
}

/* ============================================
   SPINNING RINGS WITH NODES
   ============================================ */

/* Inner ring container - spins clockwise */
.ring-inner {
    position: absolute;
    width: 500px;
    height: 500px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: spin-clockwise 240s linear infinite;
}

/* Inner ring circle */
.ring-inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px dashed rgba(78, 205, 196, var(--ring-opacity));
    border-radius: 50%;
}

/* Outer ring container - spins counter-clockwise */
.ring-outer {
    position: absolute;
    width: 750px;
    height: 750px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: spin-counter-clockwise 360s linear infinite;
}

/* Outer ring circle */
.ring-outer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px dashed rgba(0, 212, 255, var(--ring-opacity));
    border-radius: 50%;
}

/* Keyframes */
@keyframes spin-clockwise {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes spin-counter-clockwise {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(-360deg); }
}

/* ============================================
   INTERLOCKING COGS - CSS ONLY
   ============================================ */

.cogs-container {
    position: absolute;
    top: 50%;
    left: 50%;
    /* Position at right side where rings meet */
    transform: translate(230px, -30px);
    z-index: 200;
}

/* Inner cog (attached to inner ring conceptually) */
.cog-inner {
    width: 50px;
    height: 50px;
    background: var(--gear-color);
    position: absolute;
    border-radius: 50%;
    top: 0;
    left: 0;
    animation: cog-spin-cw 8s linear infinite;
}

/* Gear teeth via pseudo-element */
.cog-inner::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    width: 66px;
    height: 66px;
    background: 
        linear-gradient(0deg, transparent 39%, var(--gear-color) 39%, var(--gear-color) 61%, transparent 61%),
        linear-gradient(60deg, transparent 42%, var(--gear-color) 42%, var(--gear-color) 58%, transparent 58%),
        linear-gradient(120deg, transparent 42%, var(--gear-color) 42%, var(--gear-color) 58%, transparent 58%);
    border-radius: 50%;
}

/* Center hole */
.cog-inner::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: var(--dark-bg);
    border-radius: 50%;
}

/* Outer cog (attached to outer ring conceptually) */
.cog-outer {
    width: 50px;
    height: 50px;
    background: var(--gear-color);
    position: absolute;
    border-radius: 50%;
    top: -35px;
    left: 35px;
    animation: cog-spin-ccw 8s linear infinite;
}

.cog-outer::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    width: 66px;
    height: 66px;
    background: 
        linear-gradient(0deg, transparent 39%, var(--gear-color) 39%, var(--gear-color) 61%, transparent 61%),
        linear-gradient(60deg, transparent 42%, var(--gear-color) 42%, var(--gear-color) 58%, transparent 58%),
        linear-gradient(120deg, transparent 42%, var(--gear-color) 42%, var(--gear-color) 58%, transparent 58%);
    border-radius: 50%;
}

.cog-outer::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: var(--dark-bg);
    border-radius: 50%;
}

@keyframes cog-spin-cw {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes cog-spin-ccw {
    from { transform: rotate(30deg); }
    to { transform: rotate(-330deg); }
}

/* Central Panium core - now a button */
.core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle at 30% 30%, var(--core-gold), var(--core-orange));
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 
        0 0 60px rgba(244, 185, 66, 0.5),
        0 0 120px rgba(232, 133, 46, 0.3),
        inset 0 0 40px rgba(255, 255, 255, 0.2);
    z-index: 100;
    animation: core-glow 3s ease-in-out infinite;
    cursor: pointer;
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.core:hover {
    transform: translate(-50%, -50%) scale(1.05);
    box-shadow: 
        0 0 80px rgba(244, 185, 66, 0.7),
        0 0 160px rgba(232, 133, 46, 0.5),
        inset 0 0 50px rgba(255, 255, 255, 0.3);
}

.core:active {
    transform: translate(-50%, -50%) scale(0.98);
}

@keyframes core-glow {
    0%, 100% { 
        box-shadow: 
            0 0 60px rgba(244, 185, 66, 0.5),
            0 0 120px rgba(232, 133, 46, 0.3),
            inset 0 0 40px rgba(255, 255, 255, 0.2);
    }
    50% { 
        box-shadow: 
            0 0 80px rgba(244, 185, 66, 0.7),
            0 0 160px rgba(232, 133, 46, 0.5),
            inset 0 0 50px rgba(255, 255, 255, 0.3);
    }
}

.search-input {
    width: 140px;
    height: 36px;
    border: none;
    border-radius: 18px;
    padding: 0 15px;
    font-family: 'TrajanPro', serif;
    font-size: 14px;
    font-weight: 500;
    background: rgba(10, 14, 23, 0.7);
    color: white;
    text-align: center;
    outline: none;
    transition: all 0.3s ease;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-input:focus {
    width: 160px;
    background: rgba(10, 14, 23, 0.9);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

.search-hint {
    font-size: 10px;
    color: var(--dark-bg);
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 8px;
}

/* Node styling */
.node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: transform 0.3s ease;
    z-index: 50;
}

/* Counter-rotate nodes on inner ring to keep them upright */
.ring-inner .node {
    animation: counter-spin-clockwise 240s linear infinite;
}

/* Counter-rotate nodes on outer ring to keep them upright */
.ring-outer .node {
    animation: counter-spin-counter-clockwise 360s linear infinite;
}

@keyframes counter-spin-clockwise {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}

@keyframes counter-spin-counter-clockwise {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.node:hover {
    z-index: 60;
}

.node-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    box-shadow: 0 0 30px currentColor;
    transition: box-shadow 0.3s ease;
}

.node:hover .node-icon {
    box-shadow: 0 0 50px currentColor;
}

.node-label {
    margin-top: 10px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    max-width: 100px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
}

/* Service nodes (inner ring) */
.service-node .node-icon {
    background: linear-gradient(135deg, var(--service-blue), var(--service-purple));
    color: white;
}

.service-node .node-label {
    color: var(--service-blue);
}

/* Backbone nodes (outer ring) */
.backbone-node .node-icon {
    background: linear-gradient(135deg, var(--backbone-cyan), var(--backbone-green));
    color: var(--dark-bg);
}

.backbone-node .node-label {
    color: var(--backbone-cyan);
}

/* Legend */
.legend {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 40px;
    padding: 15px 30px;
    background: rgba(10, 14, 23, 0.9);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 30px;
    z-index: 10;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-dot.services {
    background: linear-gradient(135deg, var(--service-blue), var(--service-purple));
}

.legend-dot.backbone {
    background: linear-gradient(135deg, var(--backbone-cyan), var(--backbone-green));
}

.legend-text {
    color: rgba(255,255,255,0.7);
}

/* User info (top right) */
.user-info {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 1000;
}

.user-name {
    color: var(--title-gray);
    font-size: 14px;
    letter-spacing: 1px;
}

.logout-btn {
    padding: 8px 16px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    color: var(--title-gray);
    font-family: 'TrajanPro', serif;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.logout-btn:hover {
    background: rgba(255,255,255,0.2);
    color: white;
}

/* Responsive */
@media (max-width: 950px) {
    .ecosystem {
        transform: scale(0.7);
    }
    .main-title {
        font-size: 48px;
        letter-spacing: 10px;
    }
}

@media (max-width: 600px) {
    .ecosystem {
        transform: scale(0.5);
    }
    .main-title {
        font-size: 36px;
        letter-spacing: 6px;
    }
    .tagline, .value-prop {
        font-size: 11px;
        letter-spacing: 3px;
    }
}

/* Float animation for nodes */
@keyframes float {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-5px); }
}