/* ===================================================
   CareerSteps Premium Contact Gate
   Refactored & Optimized CSS
=================================================== */

/* ===========================
   RESET & BASE STYLES
=========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: Inter, Arial, sans-serif;
    background: #020617;
    color: #fff;
}

body {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ===========================
   BACKGROUNDS & AMBIANCE
=========================== */
body::before {
    content: "";
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.25), transparent 35%),
        radial-gradient(circle at 85% 10%, rgba(139, 92, 246, 0.28), transparent 35%),
        #020617;
    z-index: -5;
}

.stars {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: radial-gradient(#fff 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.25;
    animation: starMove 18s linear infinite;
    z-index: -4;
}

.ambient-glow {
    position: fixed;
    left: 50%;
    top: 45%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent 70%);
    filter: blur(100px);
    pointer-events: none;
    animation: ambient 6s ease-in-out infinite;
    z-index: -3;
    will-change: opacity;
}

.aurora {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    animation: floatLamp 10s ease-in-out infinite;
    pointer-events: none;
    z-index: -2;
    will-change: transform;
}

.aurora-left {
    width: 420px;
    height: 420px;
    background: #2563eb;
    top: -180px;
    left: -180px;
}

.aurora-right {
    width: 420px;
    height: 420px;
    background: #7c3aed;
    top: -150px;
    right: -180px;
    animation-delay: 2s;
}

/* ===========================
   FLOATING PARTICLES
=========================== */
.particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: -1;
}

.particles span {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.8);
    animation: particleFloat linear infinite;
    will-change: transform, opacity;
}

.particles span:nth-child(1) { left: 12%; animation-duration: 9s; animation-delay: 0s; }
.particles span:nth-child(2) { left: 24%; animation-duration: 7s; animation-delay: 1s; }
.particles span:nth-child(3) { left: 36%; animation-duration: 10s; animation-delay: 2s; }
.particles span:nth-child(4) { left: 48%; animation-duration: 8s; animation-delay: 1.5s; }
.particles span:nth-child(5) { left: 60%; animation-duration: 11s; animation-delay: 0.5s; }
.particles span:nth-child(6) { left: 72%; animation-duration: 9s; animation-delay: 3s; }
.particles span:nth-child(7) { left: 84%; animation-duration: 8s; animation-delay: 2.5s; }
.particles span:nth-child(8) { left: 94%; animation-duration: 10s; animation-delay: 1s; }

/* ===========================
   MAIN LAYOUT & TYPOGRAPHY
=========================== */
.gate {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    text-align: center;
    z-index: 10;
}

.logo {
    width: 82px;
    margin-bottom: 30px;
    filter: drop-shadow(0 0 18px rgba(59, 130, 246, 0.55));
}

h1 {
    font-size: 52px;
    font-weight: 900;
    margin-bottom: 12px;
}

p {
    font-size: 18px;
    max-width: 650px;
    color: #b6bfd0;
    line-height: 1.7;
}

.hint {
    margin-top: 20px;
    font-size: 18px;
    font-weight: 700;
    color: #60a5fa;
    letter-spacing: 0.5px;
}

/* ===========================
   PREMIUM METAL LAMP
=========================== */
.lamp-wrapper {
    width: 100%;
    height: 430px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-top: 35px;
}

.lamp-rope {
    position: absolute;
    top: 0;
    width: 5px;
    height: 170px;
    background: linear-gradient(to right, #4b5563, #d1d5db, #4b5563);
    border-radius: 20px;
    transform-origin: top center;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.6);
}

.lamp-container {
    position: absolute;
    top: 165px;
    width: 90px;
    height: 90px;
    cursor: grab;
    transform-origin: top center;
    transition: transform 0.12s linear;
    filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.5)) drop-shadow(0 0 25px rgba(59, 130, 246, 0.45));
    will-change: transform;
}

.lamp-container:active {
    cursor: grabbing;
}

.lamp-head {
    position: absolute;
    width: 34px;
    height: 16px;
    background: linear-gradient(to right, #6b7280, #f3f4f6, #6b7280);
    left: 50%;
    transform: translateX(-50%);
    border-radius: 12px;
    top: -12px;
    box-shadow: inset 0 -2px 4px rgba(0,0,0,0.3);
}

.lamp-body {
    position: absolute;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #ffffff 0%, #d1d5db 40%, #9ca3af 70%, #4b5563 100%);
    border: 2px solid rgba(255, 255, 255, 0.4);
    box-shadow: inset 0 -5px 15px rgba(0,0,0,0.4), inset 0 2px 10px rgba(255,255,255,0.8);
    overflow: hidden;
}

.lamp-glass {
    position: absolute;
    inset: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: inset 0 0 15px rgba(255, 255, 255, 0.3);
}

.lamp-highlight {
    position: absolute;
    left: 14px;
    top: 10px;
    width: 20px;
    height: 40px;
    border-radius: 20px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.9), rgba(255,255,255,0.1));
    filter: blur(1.5px);
    transform: rotate(-25deg);
}

.lamp-core {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 
        0 0 25px #ffffff,
        0 0 60px rgba(59, 130, 246, 0.8),
        0 0 120px rgba(59, 130, 246, 0.5);
    animation: bulbPulse 2.8s ease-in-out infinite;
    will-change: transform, box-shadow;
}

/* ===========================
   LIGHT BEAM
=========================== */
.light-cone {
    position: absolute;
    top: 250px;
    left: 50%;
    transform: translateX(-50%);
    width: 420px;
    height: 420px;
    clip-path: polygon(48% 0%, 52% 0%, 100% 100%, 0% 100%);
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), rgba(59, 130, 246, 0.25), transparent);
    mix-blend-mode: screen;
    pointer-events: none;
    animation: beamGlow 3s ease-in-out infinite;
    will-change: opacity, filter;
}

/* ===========================
   LOADER & OVERLAYS
=========================== */
.loader-screen {
    position: fixed;
    inset: 0;
    background: #020617;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 25px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.45s ease;
    z-index: 999;
}

.loader-screen.loader-show {
    opacity: 1;
    pointer-events: auto;
    animation: fadeLoader 0.35s ease;
}

.loader-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 6px solid rgba(255, 255, 255, 0.18);
    border-top-color: #3b82f6;
    animation: spin 0.8s linear infinite;
}

/* ===========================
   UNLOCK & ACCESS GRANTED
=========================== */
#unlockFlash {
    position: fixed;
    inset: 0;
    background: #ffffff;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    z-index: 999;
}

#unlockFlash.flash {
    opacity: 0.85 !important;
}

#accessGranted {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.6);
    opacity: 0;
    transition: all 0.45s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 1000;
    text-align: center;
    pointer-events: none;
}

#accessGranted.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

#accessGranted .tick {
    font-size: 80px;
    color: #4ade80;
    text-shadow: 0 0 30px rgba(74, 222, 128, 0.6);
    margin-bottom: 18px;
}

#accessGranted h2 {
    font-size: 38px;
    font-weight: 900;
    margin-bottom: 10px;
}

#accessGranted p {
    color: #cbd5e1;
    font-size: 16px;
}

/* ===========================
   ANIMATION KEYFRAMES
=========================== */
@keyframes floatLamp {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(35px); }
}

@keyframes particleFloat {
    0% { transform: translateY(420px) scale(0.2); opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { transform: translateY(-180px) scale(1); opacity: 0; }
}

@keyframes bulbPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.08); }
}

@keyframes beamGlow {
    0%, 100% { opacity: 0.3; filter: blur(28px); }
    50% { opacity: 0.55; filter: blur(38px); }
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

@keyframes fadeLoader {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes starMove {
    from { transform: translateY(0); }
    to { transform: translateY(80px); }
}

@keyframes ambient {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ===========================
   RESPONSIVE (MOBILE/TABLET)
=========================== */
@media (max-width: 768px) {
    .logo {
        width: 70px;
    }
    
    h1 {
        font-size: 34px;
    }
    
    p {
        font-size: 15px;
        padding: 0 15px;
    }
    
    .lamp-wrapper {
        height: 350px;
    }
    
    .lamp-rope {
        height: 130px;
    }
    
    .lamp-container {
        top: 126px;
        width: 72px;
        height: 72px;
    }
    
    .lamp-body {
        width: 72px;
        height: 72px;
    }
    
    .lamp-glass {
        inset: 10px;
    }
    
    .light-cone {
        width: 260px;
        height: 270px;
        top: 185px;
    }
}