/* =========================================
   BASIC RESET
========================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at 50% 0%, rgba(50, 0, 120, 0.28), transparent 35%),
        radial-gradient(circle at 10% 50%, rgba(0, 80, 180, 0.12), transparent 30%),
        radial-gradient(circle at 90% 70%, rgba(180, 0, 100, 0.12), transparent 30%),
        #020308;

    color: #ffffff;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    overflow-x: hidden;
}


/* =========================================
   MAIN CONTAINER
========================================= */

.container {
    width: min(94%, 1100px);
    margin: 0 auto;
    padding: 70px 0 50px;

    position: relative;
    z-index: 5;
}


/* =========================================
   MAIN HEADLINE
========================================= */

.main-title {
    text-align: center;

    font-size: clamp(38px, 6vw, 82px);

    font-weight: 900;

    letter-spacing: 1px;

    text-transform: uppercase;

    line-height: 1.05;

    margin-bottom: 20px;

    color: #ffffff;

    text-shadow:
        0 0 5px rgba(255, 255, 255, 0.8),
        0 0 15px rgba(0, 200, 255, 0.6),
        0 0 30px rgba(160, 0, 255, 0.45);
}


/* =========================================
   SECOND HEADLINE
========================================= */

.sub-title {
    text-align: center;

    font-size: clamp(28px, 4.5vw, 60px);

    font-weight: 900;

    line-height: 1.1;

    margin-bottom: 55px;

    text-transform: uppercase;

    background: linear-gradient(
        90deg,
        #00eaff,
        #1677ff,
        #7b2cff,
        #ff27d9,
        #ff4f91,
        #ffb300,
        #00eaff
    );

    background-size: 400% 100%;

    -webkit-background-clip: text;
    background-clip: text;

    color: transparent;

    animation: gradientMove 7s linear infinite;

    filter:
        drop-shadow(0 0 8px rgba(0, 180, 255, 0.45))
        drop-shadow(0 0 18px rgba(255, 0, 200, 0.25));
}


/* =========================================
   PDF LIST
========================================= */

.pdf-list {
    width: 100%;

    display: flex;
    flex-direction: column;

    gap: 24px;
}


/* =========================================
   MAIN BUTTON
   EXACT PILL / CAPSULE STYLE
========================================= */

.pdf-button {
    position: relative;

    display: flex;

    align-items: center;
    justify-content: center;

    width: 100%;

    min-height: 78px;

    padding: 18px 35px;

    border-radius: 999px;

    text-decoration: none;

    overflow: hidden;

    border: 2px solid rgba(255, 255, 255, 0.16);

    background:
        linear-gradient(
            90deg,
            #087cff,
            #375cff,
            #a32cff,
            #e72bdf,
            #ff4b88,
            #ffb000,
            #38e000,
            #087cff
        );

    background-size: 500% 100%;

    animation: buttonGradient 9s linear infinite;

    box-shadow:
        0 0 8px rgba(0, 180, 255, 0.5),
        0 0 20px rgba(100, 0, 255, 0.35),
        0 0 35px rgba(255, 0, 200, 0.2);

    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;

    isolation: isolate;
}


/* =========================================
   INNER DARK LAYER
   Keeps screenshot-like pill appearance
========================================= */

.pdf-button::before {
    content: "";

    position: absolute;

    inset: 3px;

    border-radius: 999px;

    background:
        linear-gradient(
            90deg,
            rgba(5, 8, 20, 0.72),
            rgba(7, 10, 25, 0.58),
            rgba(5, 8, 20, 0.72)
        );

    z-index: -1;

    backdrop-filter: blur(5px);
}


/* =========================================
   MOVING SHINE
========================================= */

.pdf-button::after {
    content: "";

    position: absolute;

    top: 0;
    left: -120%;

    width: 70%;
    height: 100%;

    transform: skewX(-25deg);

    background:
        linear-gradient(
            90deg,
            transparent,
            rgba(255, 255, 255, 0.28),
            transparent
        );

    animation: shine 4.5s ease-in-out infinite;

    pointer-events: none;
}


/* =========================================
   BUTTON TEXT
========================================= */

.pdf-button span {
    position: relative;

    z-index: 3;

    font-size: clamp(21px, 3vw, 34px);

    font-weight: 900;

    letter-spacing: 0.5px;

    text-transform: uppercase;

    color: #ffffff;

    text-align: center;

    text-shadow:
        0 2px 4px rgba(0, 0, 0, 0.8),
        0 0 7px rgba(255, 255, 255, 0.4);
}


/* =========================================
   HOVER
========================================= */

.pdf-button:hover {
    transform: translateY(-4px) scale(1.015);

    box-shadow:
        0 0 12px rgba(0, 200, 255, 0.8),
        0 0 28px rgba(150, 0, 255, 0.65),
        0 0 50px rgba(255, 0, 200, 0.45),
        0 0 80px rgba(0, 255, 200, 0.18);
}

.pdf-button:active {
    transform: scale(0.98);
}


/* =========================================
   DIFFERENT COLOR START POSITIONS
   Same design, different running colors
========================================= */

.button-1 {
    animation-delay: 0s;
}

.button-2 {
    animation-delay: -1s;
}

.button-3 {
    animation-delay: -2s;
}

.button-4 {
    animation-delay: -3s;
}

.button-5 {
    animation-delay: -4s;
}

.button-6 {
    animation-delay: -5s;
}

.button-7 {
    animation-delay: -6s;
}

.button-8 {
    animation-delay: -7s;
}

.button-9 {
    animation-delay: -8s;
}


/* =========================================
   CRYPTO BACKGROUND
========================================= */

.crypto-bg {
    position: fixed;

    inset: 0;

    overflow: hidden;

    pointer-events: none;

    z-index: 1;

    opacity: 0.5;
}


/* =========================================
   COINS
========================================= */

.coin {
    position: absolute;

    display: flex;

    align-items: center;
    justify-content: center;

    width: 85px;
    height: 85px;

    border-radius: 50%;

    border: 2px solid rgba(0, 190, 255, 0.55);

    color: rgba(0, 200, 255, 0.3);

    font-size: 45px;

    font-weight: 900;

    box-shadow:
        0 0 15px rgba(0, 150, 255, 0.25),
        inset 0 0 20px rgba(80, 0, 255, 0.25);

    animation: floating 8s ease-in-out infinite;
}

.coin1 {
    top: 12%;
    left: 3%;
}

.coin2 {
    top: 45%;
    right: 4%;

    color: rgba(230, 0, 255, 0.25);

    border-color: rgba(230, 0, 255, 0.4);

    animation-delay: -3s;
}

.coin3 {
    bottom: 8%;
    left: 7%;

    animation-delay: -5s;
}


/* =========================================
   CRYPTO CUBES
========================================= */

.cube {
    position: absolute;

    width: 50px;
    height: 50px;

    border: 1px solid rgba(0, 180, 255, 0.5);

    transform: rotate(45deg);

    box-shadow:
        0 0 20px rgba(0, 100, 255, 0.3),
        inset 0 0 15px rgba(120, 0, 255, 0.25);

    animation: cubeFloat 7s ease-in-out infinite;
}

.cube1 {
    top: 22%;
    right: 12%;
}

.cube2 {
    top: 70%;
    left: 5%;

    animation-delay: -2s;
}

.cube3 {
    bottom: 18%;
    right: 8%;

    animation-delay: -4s;
}


/* =========================================
   BACKGROUND DOTS
========================================= */

.dot {
    position: absolute;

    width: 5px;
    height: 5px;

    border-radius: 50%;

    background: #00c8ff;

    box-shadow:
        0 0 10px #00c8ff,
        0 0 20px #7b2cff;

    animation: dotPulse 3s ease-in-out infinite;
}

.dot1 {
    top: 15%;
    left: 35%;
}

.dot2 {
    top: 60%;
    left: 18%;

    animation-delay: -1s;
}

.dot3 {
    top: 32%;
    right: 30%;

    animation-delay: -2s;
}

.dot4 {
    bottom: 12%;
    right: 25%;

    animation-delay: -1.5s;
}


/* =========================================
   FOOTER
========================================= */

footer {
    text-align: center;

    margin-top: 60px;
}

.footer-line {
    width: 100%;

    height: 2px;

    margin-bottom: 20px;

    background:
        linear-gradient(
            90deg,
            transparent,
            #00c8ff,
            #7b2cff,
            #ff2bd6,
            #ffb000,
            #00c8ff,
            transparent
        );

    background-size: 300% 100%;

    animation: gradientMove 6s linear infinite;

    box-shadow:
        0 0 10px rgba(0, 180, 255, 0.5);
}

footer p {
    font-size: 15px;

    color: rgba(255, 255, 255, 0.45);

    letter-spacing: 2px;
}


/* =========================================
   ANIMATIONS
========================================= */

@keyframes buttonGradient {

    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}


@keyframes gradientMove {

    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}


@keyframes shine {

    0% {
        left: -120%;
    }

    45% {
        left: 130%;
    }

    100% {
        left: 130%;
    }
}


@keyframes floating {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-25px);
    }
}


@keyframes cubeFloat {

    0%,
    100% {
        transform: rotate(45deg) translateY(0);
    }

    50% {
        transform: rotate(45deg) translateY(-20px);
    }
}


@keyframes dotPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.8);
    }
}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 600px) {

    .container {
        width: 92%;
        padding-top: 45px;
        padding-bottom: 35px;
    }

    .main-title {
        font-size: 34px;

        line-height: 1.15;

        margin-bottom: 15px;
    }

    .sub-title {
        font-size: 25px;

        line-height: 1.2;

        margin-bottom: 35px;
    }

    .pdf-list {
        gap: 17px;
    }

    .pdf-button {
        min-height: 66px;

        padding: 15px 20px;

        border-radius: 999px;
    }

    .pdf-button span {
        font-size: 18px;

        line-height: 1.2;
    }

    .coin {
        width: 55px;
        height: 55px;

        font-size: 28px;
    }

    .cube {
        width: 32px;
        height: 32px;
    }

    footer {
        margin-top: 40px;
    }
}


/* =========================================
   VERY SMALL MOBILE
========================================= */

@media (max-width: 380px) {

    .main-title {
        font-size: 29px;
    }

    .sub-title {
        font-size: 22px;
    }

    .pdf-button {
        min-height: 60px;
    }

    .pdf-button span {
        font-size: 15px;
    }
}