/* ========================================================
   ANIMATED TEVA LOGO — INTRO OVERLAY (Perfect Layers)
   Uses full-frame geometrically masked layers.
======================================================== */

.logo-intro {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0a0f1a;
    animation: introFadeOut 0.8s ease-in 5.5s forwards;
    pointer-events: all;
}

.logo-intro.done {
    pointer-events: none;
}

@keyframes introFadeOut {
    0% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        visibility: hidden;
    }
}

/* Container */
.logo-stage {
    position: relative;
    width: 800px;
    height: 220px;
}

/* -------------------------------------------------------
   THE 4 FULL-FRAME LAYERS
------------------------------------------------------- */
/* Container holds all layers perfectly stacked */
.logo-composite {
    position: absolute;
    top: 35px;
    /* Adjust vertical positioning */
    left: 20px;
    /* Adjust horizontal positioning */
    width: 480px;
    /* Scaled down from 690 original width */
    height: 225px;
    /* Scaled proportionally */
}

.teva-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0;
    filter: blur(8px);
    will-change: transform, opacity, filter;
}

.layer-t {
    background-image: url('images/letters_perfect/t_poly.png');
}

.layer-e {
    background-image: url('images/letters_perfect/e_poly.png');
}

.layer-v {
    background-image: url('images/letters_perfect/v_poly.png');
}

.layer-a {
    background-image: url('images/letters_perfect/a_poly.png');
}

/* Initial displaced transforms (Phase 1) */
.layer-t {
    transform: translate(-60px, -20px);
    animation:
        layerAppearT 0.7s cubic-bezier(.34, 1.56, .64, 1) 0.2s forwards,
        layerDriftT 2.5s ease-in-out 0.2s 1,
        convergeZero 0.9s cubic-bezier(.25, .46, .45, .94) 2.5s forwards;
}

.layer-e {
    transform: translate(-10px, 40px);
    animation:
        layerAppearE 0.7s cubic-bezier(.34, 1.56, .64, 1) 0.5s forwards,
        layerDriftE 2.5s ease-in-out 0.5s 1,
        convergeZero 0.9s cubic-bezier(.25, .46, .45, .94) 2.7s forwards;
}

.layer-v {
    transform: translate(40px, -30px);
    animation:
        layerAppearV 0.7s cubic-bezier(.34, 1.56, .64, 1) 0.8s forwards,
        layerDriftV 2.5s ease-in-out 0.8s 1,
        convergeZero 0.9s cubic-bezier(.25, .46, .45, .94) 2.9s forwards;
}

.layer-a {
    transform: translate(80px, 20px);
    animation:
        layerAppearA 0.7s cubic-bezier(.34, 1.56, .64, 1) 1.1s forwards,
        layerDriftA 2.5s ease-in-out 1.1s 1,
        convergeZero 0.9s cubic-bezier(.25, .46, .45, .94) 3.1s forwards;
}

/* Appear animations (blur down to 0, start from offset) */
@keyframes layerAppearT {
    0% {
        opacity: 0;
        filter: blur(16px);
        transform: translate(-80px, -30px) scale(0.9) rotate(-10deg);
    }

    100% {
        opacity: 1;
        filter: blur(0);
        transform: translate(-60px, -20px) scale(1) rotate(0deg);
    }
}

@keyframes layerAppearE {
    0% {
        opacity: 0;
        filter: blur(16px);
        transform: translate(-20px, 60px) scale(0.9) rotate(5deg);
    }

    100% {
        opacity: 1;
        filter: blur(0);
        transform: translate(-10px, 40px) scale(1) rotate(0deg);
    }
}

@keyframes layerAppearV {
    0% {
        opacity: 0;
        filter: blur(16px);
        transform: translate(50px, -50px) scale(0.9) rotate(-5deg);
    }

    100% {
        opacity: 1;
        filter: blur(0);
        transform: translate(40px, -30px) scale(1) rotate(0deg);
    }
}

@keyframes layerAppearA {
    0% {
        opacity: 0;
        filter: blur(16px);
        transform: translate(110px, 40px) scale(0.9) rotate(10deg);
    }

    100% {
        opacity: 1;
        filter: blur(0);
        transform: translate(80px, 20px) scale(1) rotate(0deg);
    }
}

/* Subtle drifting */
@keyframes layerDriftT {
    50% {
        transform: translate(-55px, -25px);
    }
}

@keyframes layerDriftE {
    50% {
        transform: translate(-15px, 45px);
    }
}

@keyframes layerDriftV {
    50% {
        transform: translate(35px, -25px);
    }
}

@keyframes layerDriftA {
    50% {
        transform: translate(75px, 15px);
    }
}

/* ALL layers converge perfectly back to (0,0) - pixel perfect reconstruction! */
@keyframes convergeZero {
    100% {
        transform: translate(0px, 0px) scale(1) rotate(0deg);
        opacity: 1;
        filter: blur(0);
    }
}

/* -------------------------------------------------------
   "NETWORK" TEXT — slides in after convergence
------------------------------------------------------- */
.network-text {
    position: absolute;
    top: 104px;
    /* Align vertically with TEVA */
    left: 505px;
    /* Align right after the A */
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 65px;
    letter-spacing: 3px;
    color: #9e9e9e;
    opacity: 0;
    transform: translateX(40px);
    animation: networkSlideIn 0.9s cubic-bezier(.25, .46, .45, .94) 3.8s forwards;
}

@keyframes networkSlideIn {
    0% {
        opacity: 0;
        transform: translateX(40px);
        filter: blur(8px);
    }

    100% {
        opacity: 1;
        transform: translateX(0);
        filter: blur(0);
    }
}

/* -------------------------------------------------------
   SVG CONNECTION LINES
------------------------------------------------------- */
.connections-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.conn-line {
    stroke-width: 2.5;
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    fill: none;
    opacity: 0.5;
}

/* Draw lines approximately between the separated letters */
/* Since letters start offset and move, we just draw lines that connect their rough starting regions */
.conn-te {
    stroke: url(#grad-te);
    animation: drawLine 0.6s ease-out 1.4s forwards, fadeLine 0.5s ease-in 3.2s forwards;
}

.conn-ev {
    stroke: url(#grad-ev);
    animation: drawLine 0.6s ease-out 1.6s forwards, fadeLine 0.5s ease-in 3.2s forwards;
}

.conn-va {
    stroke: url(#grad-va);
    animation: drawLine 0.6s ease-out 1.8s forwards, fadeLine 0.5s ease-in 3.2s forwards;
}

.conn-ta {
    stroke: url(#grad-ta);
    animation: drawLine 0.6s ease-out 2.0s forwards, fadeLine 0.5s ease-in 3.2s forwards;
}

.conn-tv {
    stroke: url(#grad-tv);
    animation: drawLine 0.6s ease-out 2.1s forwards, fadeLine 0.5s ease-in 3.2s forwards;
}

.conn-ea {
    stroke: url(#grad-ea);
    animation: drawLine 0.6s ease-out 2.2s forwards, fadeLine 0.5s ease-in 3.2s forwards;
}

@keyframes drawLine {
    0% {
        stroke-dashoffset: 200;
        opacity: 0;
    }

    100% {
        stroke-dashoffset: 0;
        opacity: 0.5;
    }
}

@keyframes fadeLine {
    0% {
        opacity: 0.5;
    }

    100% {
        opacity: 0;
    }
}

/* -------------------------------------------------------
   GLOW HALOS behind each separated layer
------------------------------------------------------- */
.letter-glow {
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    filter: blur(45px);
    opacity: 0;
}

/* Position roughly where the layers initially appear */
.glow-t {
    background: #2e7d32;
    top: 0px;
    left: 0px;
    animation: glowPulse 1.2s ease-in-out 0.2s forwards, glowFade 0.5s ease-in 3.2s forwards;
}

.glow-e {
    background: #f9a825;
    top: 100px;
    left: 150px;
    animation: glowPulse 1.2s ease-in-out 0.5s forwards, glowFade 0.5s ease-in 3.2s forwards;
}

.glow-v {
    background: #1565c0;
    top: -10px;
    left: 350px;
    animation: glowPulse 1.2s ease-in-out 0.8s forwards, glowFade 0.5s ease-in 3.2s forwards;
}

.glow-a {
    background: #c62828;
    top: 80px;
    left: 550px;
    animation: glowPulse 1.2s ease-in-out 1.1s forwards, glowFade 0.5s ease-in 3.2s forwards;
}

@keyframes glowPulse {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }

    50% {
        opacity: 0.6;
        transform: scale(1.3);
    }

    100% {
        opacity: 0.35;
        transform: scale(1);
    }
}

@keyframes glowFade {
    0% {
        opacity: 0.35;
    }

    100% {
        opacity: 0;
    }
}

/* -------------------------------------------------------
   SPARK PARTICLES
------------------------------------------------------- */
.spark {
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
}

.spark-1 {
    background: #4caf50;
    top: 60px;
    left: 40px;
    animation: sparkBurst 1.4s ease-in-out 1.3s 2;
}

.spark-2 {
    background: #fbc02d;
    top: 130px;
    left: 220px;
    animation: sparkBurst 1.4s ease-in-out 1.5s 2;
}

.spark-3 {
    background: #1e88e5;
    top: 40px;
    left: 410px;
    animation: sparkBurst 1.4s ease-in-out 1.7s 2;
}

.spark-4 {
    background: #e53935;
    top: 120px;
    left: 610px;
    animation: sparkBurst 1.4s ease-in-out 1.9s 2;
}

.spark-5 {
    background: #66bb6a;
    top: 100px;
    left: 80px;
    animation: sparkBurst 1.2s ease-in-out 1.4s 2;
}

.spark-6 {
    background: #ffee58;
    top: 70px;
    left: 250px;
    animation: sparkBurst 1.2s ease-in-out 1.6s 2;
}

.spark-7 {
    background: #42a5f5;
    top: 150px;
    left: 440px;
    animation: sparkBurst 1.2s ease-in-out 1.8s 2;
}

.spark-8 {
    background: #ef5350;
    top: 50px;
    left: 640px;
    animation: sparkBurst 1.2s ease-in-out 2.0s 2;
}

.spark-9 {
    background: #a5d6a7;
    top: 160px;
    left: 120px;
    animation: sparkBurst 1.0s ease-in-out 1.3s 3;
}

.spark-10 {
    background: #fff176;
    top: 30px;
    left: 300px;
    animation: sparkBurst 1.0s ease-in-out 1.5s 3;
}

.spark-11 {
    background: #90caf9;
    top: 170px;
    left: 480px;
    animation: sparkBurst 1.0s ease-in-out 1.7s 3;
}

.spark-12 {
    background: #ef9a9a;
    top: 25px;
    left: 570px;
    animation: sparkBurst 1.0s ease-in-out 1.9s 3;
}

@keyframes sparkBurst {
    0% {
        opacity: 0;
        transform: scale(0) rotate(0deg);
    }

    20% {
        opacity: 1;
        transform: scale(2) rotate(90deg);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.6) rotate(180deg);
    }

    80% {
        opacity: 1;
        transform: scale(1.5) rotate(270deg);
    }

    100% {
        opacity: 0;
        transform: scale(0) rotate(360deg);
    }
}

/* -------------------------------------------------------
   TAGLINE
------------------------------------------------------- */
.intro-tagline {
    position: absolute;
    top: 195px;
    /* Positioned right under the logo/network */
    left: 0;
    right: 0;
    text-align: center;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .35);
    opacity: 0;
    animation: taglineIn 0.7s ease-out 4.3s forwards;
}

@keyframes taglineIn {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* -------------------------------------------------------
   RESPONSIVE
------------------------------------------------------- */
@media(max-width: 768px) {
    .logo-stage {
        width: 420px;
        height: 160px;
    }

    .logo-composite {
        top: 55px;
        /* Centered visually */
        left: 20px;
        width: 250px;
        height: 117px;
    }

    .network-text {
        font-size: 34px;
        top: 90px;
        left: 280px;
    }

    .intro-tagline {
        top: 140px;
        font-size: 10px;
    }
}

@media(max-width: 480px) {
    .logo-stage {
        width: 300px;
        height: 120px;
    }

    .logo-composite {
        top: 35px;
        left: 10px;
        width: 175px;
        height: 82px;
    }

    .network-text {
        font-size: 24px;
        top: 60px;
        left: 190px;
    }

    .intro-tagline {
        top: 100px;
        font-size: 8px;
    }
}