/* Intro Loader Animation Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500&display=swap');

/* Hide main content initially */
.main-content {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.main-content.loaded {
    opacity: 1;
    visibility: visible;
}

/* Intro Animation Container */
.intro-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #0a0812 0%, #0d0a14 50%, #0a0810 100%);
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.intro-loader.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Canvas layers */
#introSmokeCanvas,
#introParticleCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#introSmokeCanvas {
    z-index: 1;
}

#introParticleCanvas {
    z-index: 2;
}

/* Iris aperture */
.intro-iris-container {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 5;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
}

.intro-iris {
    position: relative;
    width: 100vmax;
    height: 100vmax;
}

.intro-iris-blade {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60%;
    height: 60%;
    background: #000000;
    transform-origin: 0% 0%;
    transition: transform 2.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.intro-iris-blade::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

/* 8 blades positioned around */
.intro-iris-blade:nth-child(1) { transform: rotate(0deg) translateX(-50%) translateY(-100%); }
.intro-iris-blade:nth-child(2) { transform: rotate(45deg) translateX(-50%) translateY(-100%); }
.intro-iris-blade:nth-child(3) { transform: rotate(90deg) translateX(-50%) translateY(-100%); }
.intro-iris-blade:nth-child(4) { transform: rotate(135deg) translateX(-50%) translateY(-100%); }
.intro-iris-blade:nth-child(5) { transform: rotate(180deg) translateX(-50%) translateY(-100%); }
.intro-iris-blade:nth-child(6) { transform: rotate(225deg) translateX(-50%) translateY(-100%); }
.intro-iris-blade:nth-child(7) { transform: rotate(270deg) translateX(-50%) translateY(-100%); }
.intro-iris-blade:nth-child(8) { transform: rotate(315deg) translateX(-50%) translateY(-100%); }

/* Open state */
.intro-iris.open .intro-iris-blade:nth-child(1) { transform: rotate(0deg) translateX(-50%) translateY(-280%); }
.intro-iris.open .intro-iris-blade:nth-child(2) { transform: rotate(45deg) translateX(-50%) translateY(-280%); }
.intro-iris.open .intro-iris-blade:nth-child(3) { transform: rotate(90deg) translateX(-50%) translateY(-280%); }
.intro-iris.open .intro-iris-blade:nth-child(4) { transform: rotate(135deg) translateX(-50%) translateY(-280%); }
.intro-iris.open .intro-iris-blade:nth-child(5) { transform: rotate(180deg) translateX(-50%) translateY(-280%); }
.intro-iris.open .intro-iris-blade:nth-child(6) { transform: rotate(225deg) translateX(-50%) translateY(-280%); }
.intro-iris.open .intro-iris-blade:nth-child(7) { transform: rotate(270deg) translateX(-50%) translateY(-280%); }
.intro-iris.open .intro-iris-blade:nth-child(8) { transform: rotate(315deg) translateX(-50%) translateY(-280%); }

/* Center glow */
.intro-iris-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 4px;
    height: 4px;
    background: rgba(255, 150, 175, 0.9);
    border-radius: 50%;
    box-shadow: 0 0 30px 8px rgba(255, 120, 150, 0.4),
                0 0 60px 15px rgba(255, 100, 140, 0.2);
    transition: all 1.5s ease;
}

.intro-iris.open .intro-iris-center {
    width: 300px;
    height: 300px;
    opacity: 0;
}

/* Scan rings */
.intro-scan-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    border: 1px solid rgba(180, 180, 180, 0.4);
    border-radius: 50%;
    opacity: 0;
}

.intro-scan-ring.active {
    animation: introScanExpand 2s ease-out forwards;
}

.intro-scan-ring:nth-child(2).active { animation-delay: 0.3s; }
.intro-scan-ring:nth-child(3).active { animation-delay: 0.6s; }

@keyframes introScanExpand {
    0% { width: 50px; height: 50px; opacity: 0.6; border-color: rgba(255, 130, 160, 0.5); }
    50% { border-color: rgba(255, 120, 150, 0.3); }
    100% { width: 1000px; height: 1000px; opacity: 0; border-color: rgba(200, 150, 170, 0); }
}

/* Logo wrapper */
.intro-logo-wrapper {
    position: relative;
    width: 55%;
    max-width: 700px;
    opacity: 0;
    transform: scale(0.9);
    z-index: 10;
    filter: blur(30px);
}

.intro-logo-wrapper.reveal {
    animation: introLogoReveal 2.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes introLogoReveal {
    0% { opacity: 0; transform: scale(0.9); filter: blur(30px); }
    40% { filter: blur(10px); }
    100% { opacity: 1; transform: scale(1); filter: blur(0) drop-shadow(0 0 30px rgba(255, 140, 170, 0.15)); }
}

.intro-logo-container {
    position: relative;
}

.intro-logo-container svg {
    width: 100%;
    height: auto;
}

/* Shield animation */
.intro-shield {
    fill: none;
    stroke: url(#introShieldGradient);
    stroke-width: 2;
    stroke-dasharray: 5000;
    stroke-dashoffset: 5000;
    opacity: 0;
}

.intro-shield.animate {
    opacity: 1;
    animation: introDrawPath 3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.intro-shield.filled {
    fill: url(#introShieldFillGradient);
    stroke: none;
    opacity: 0;
    clip-path: inset(100% 0 0 0);
}

.intro-shield.filled.animate {
    animation: introFadeIn 0.5s ease-out forwards, introShieldFillReveal 2s ease-out 0.3s forwards;
}

@keyframes introShieldFillReveal {
    0% { clip-path: inset(100% 0 0 0); }
    100% { clip-path: inset(0% 0 0 0); }
}

@keyframes introDrawPath {
    to { stroke-dashoffset: 0; }
}

@keyframes introFadeIn {
    to { opacity: 1; }
}

/* Letters animation */
.intro-letter {
    fill: none;
    stroke: url(#introTextGradient);
    stroke-width: 1.5;
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    opacity: 0;
}

.intro-letter.animate {
    opacity: 1;
    animation: introDrawLetter 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards,
               introFillLetter 0.3s ease-out 0.35s forwards;
}

/* SKYLARK */
.intro-letter-S1.animate { animation-delay: 0s, 0.35s; }
.intro-letter-K1.animate { animation-delay: 0.25s, 0.6s; }
.intro-letter-Y.animate { animation-delay: 0.5s, 0.85s; }
.intro-letter-L1.animate { animation-delay: 0.75s, 1.1s; }
.intro-letter-A1.animate { animation-delay: 1.0s, 1.35s; }
.intro-letter-R.animate { animation-delay: 1.25s, 1.6s; }
.intro-letter-K2.animate { animation-delay: 1.5s, 1.85s; }

/* LABS */
.intro-letter-L2.animate { animation-delay: 2.0s, 2.35s; }
.intro-letter-A2.animate { animation-delay: 2.25s, 2.6s; }
.intro-letter-B.animate { animation-delay: 2.5s, 2.85s; }
.intro-letter-S2.animate { animation-delay: 2.75s, 3.1s; }

@keyframes introDrawLetter {
    to { stroke-dashoffset: 0; }
}

@keyframes introFillLetter {
    0% { fill: none; }
    100% { fill: url(#introTextFillGradient); }
}

/* Progress bar */
.intro-progress-container {
    position: fixed;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 100;
    transition: opacity 0.8s ease;
}

.intro-progress-bar {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1px;
    overflow: hidden;
}

.intro-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, rgba(255, 120, 150, 0.5), rgba(255, 160, 180, 0.8));
    transition: width 0.1s linear;
}

.intro-progress-text {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 10px;
    font-weight: 400;
    color: rgba(255, 180, 195, 0.5);
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* Skip button */
.intro-skip-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid rgba(255, 150, 170, 0.3);
    color: rgba(255, 180, 195, 0.6);
    border-radius: 2px;
    cursor: pointer;
    font-size: 10px;
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    z-index: 100;
    transition: all 0.3s ease;
}

.intro-skip-btn:hover {
    border-color: rgba(255, 150, 170, 0.6);
    color: rgba(255, 180, 195, 1);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .intro-logo-wrapper {
        width: 80%;
    }
    
    .intro-progress-container {
        bottom: 30px;
        width: 150px;
    }
    
    .intro-skip-btn {
        bottom: 20px;
        right: 20px;
        padding: 6px 12px;
        font-size: 9px;
    }
}