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

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


html {
    scroll-behavior: smooth;
}


body {

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

    color: #071631;

    background: #f6f9fd;

    overflow-x: hidden;
}


a {
    color: inherit;
}


/* =====================================================
   MAIN PAGE
===================================================== */

.page {

    min-height: 100vh;

    overflow: hidden;

    background:

        radial-gradient(
            circle at 82% 25%,
            rgba(35,126,255,.12),
            transparent 28%
        ),

        radial-gradient(
            circle at 15% 85%,
            rgba(222,166,55,.07),
            transparent 22%
        ),

        linear-gradient(
            135deg,
            #ffffff 0%,
            #f7faff 48%,
            #edf5ff 100%
        );
}


/* =====================================================
   NAVBAR
===================================================== */

.navbar {

    height: 86px;

    padding:
        0 6vw;

    display: flex;

    align-items: center;

    justify-content: space-between;

    position: relative;

    z-index: 100;

    background:
        rgba(255,255,255,.72);

    border-bottom:
        1px solid rgba(9,35,70,.07);

    backdrop-filter:
        blur(20px);
}


.logo {

    display: flex;

    align-items: center;

    gap: 12px;

    text-decoration: none;

    font-size: 19px;

    font-weight: 800;

    letter-spacing: -.4px;
}


.logo b {
    color: #1268ef;
}


.logo-icon {

    width: 40px;

    height: 40px;

    display: grid;

    place-items: center;

    border-radius: 12px;

    background:
        linear-gradient(
            145deg,
            #075cf5,
            #2588ff
        );

    box-shadow:
        0 9px 24px
        rgba(0,94,255,.24);
}


.nav-links {

    display: flex;

    align-items: center;

    gap: 30px;
}


.nav-links a {

    text-decoration: none;

    color: #3c4d69;

    font-size: 14px;

    font-weight: 700;

    transition: .25s ease;
}


.nav-links a:hover {
    color: #1268ef;
}


.nav-cta {

    color: white !important;

    padding:
        13px 20px;

    border-radius: 30px;

    background:
        linear-gradient(
            135deg,
            #1768ef,
            #268cff
        );

    box-shadow:
        0 9px 25px
        rgba(28,107,242,.24);
}


/* =====================================================
   HERO
===================================================== */

.hero {

    min-height:
        calc(100vh - 86px);

    padding:
        48px 6vw 55px;

    display: grid;

    grid-template-columns:
        48% 52%;

    align-items: center;

    position: relative;
}


.hero-content {

    position: relative;

    z-index: 10;
}


.badge {

    width: max-content;

    display: flex;

    align-items: center;

    gap: 8px;

    padding:
        9px 15px;

    border-radius: 50px;

    background:
        rgba(31,113,245,.08);

    border:
        1px solid
        rgba(31,113,245,.12);

    color: #1766e8;

    font-size: 13px;

    font-weight: 800;

    margin-bottom: 23px;
}


.badge span {

    width: 18px;

    height: 18px;

    display: grid;

    place-items: center;

    border-radius: 50%;

    background: #1769ef;

    color: white;

    font-size: 10px;
}


h1 {

    max-width: 680px;

    font-size:
        clamp(52px,6vw,86px);

    line-height: .98;

    letter-spacing: -4px;

    margin-bottom: 25px;
}


h1 span {

    display: block;

    background:
        linear-gradient(
            110deg,
            #0b5fea,
            #2588ff 50%,
            #4ba4ff
        );

    -webkit-background-clip: text;

    background-clip: text;

    color: transparent;
}


.hero-description {

    max-width: 560px;

    color: #53647e;

    font-size: 18px;

    line-height: 1.7;

    margin-bottom: 31px;
}


/* =====================================================
   MAIN BUTTON
===================================================== */

.main-button {

    width: max-content;

    display: inline-flex;

    align-items: center;

    gap: 14px;

    padding:
        17px 27px;

    border-radius: 16px;

    color: white;

    background:
        linear-gradient(
            135deg,
            #1161e8,
            #268cff
        );

    text-decoration: none;

    font-weight: 800;

    box-shadow:
        0 16px 35px
        rgba(19,102,239,.26);

    transition: .3s ease;
}


.main-button:hover {

    transform:
        translateY(-4px);

    box-shadow:
        0 21px 43px
        rgba(19,102,239,.35);
}


.main-button strong {
    font-size: 21px;
}


/* =====================================================
   FEATURES
===================================================== */

.features {

    display: flex;

    margin-top: 38px;
}


.feature {

    display: flex;

    align-items: center;

    gap: 11px;

    padding-right: 22px;

    margin-right: 22px;

    border-right:
        1px solid #dce4ef;
}


.feature:last-child {

    border: 0;

    margin-right: 0;
}


.feature-icon {

    width: 42px;

    height: 42px;

    flex-shrink: 0;

    display: grid;

    place-items: center;

    border-radius: 50%;

    background: white;

    color: #1467ef;

    box-shadow:
        0 8px 20px
        rgba(20,80,150,.1),

        inset 0 0 0 1px
        #e4ebf5;

    font-style: normal;
}


.feature strong,
.feature small {

    display: block;
}


.feature strong {

    color: #142747;

    font-size: 13px;
}


.feature small {

    color: #78869b;

    font-size: 10px;

    margin-top: 4px;
}


/* =====================================================
   3D SCENE
===================================================== */

.scene {

    height: 610px;

    position: relative;

    perspective: 1400px;
}


.stage {

    width: 680px;

    height: 520px;

    position: absolute;

    left: 50%;

    top: 50%;

    transform:
        translate(-50%,-50%);

    transform-style:
        preserve-3d;

    transition:
        transform .15s ease-out;
}


.ambient-glow {

    position: absolute;

    width: 560px;

    height: 340px;

    left: 55px;

    top: 80px;

    border-radius: 50%;

    background:
        radial-gradient(
            ellipse,
            rgba(29,117,255,.23),
            transparent 70%
        );

    filter: blur(28px);

    transform:
        translateZ(-100px);
}


.floor-shadow {

    position: absolute;

    width: 570px;

    height: 100px;

    left: 60px;

    bottom: 25px;

    border-radius: 50%;

    background:
        rgba(17,60,110,.14);

    filter: blur(30px);

    transform:
        rotateX(70deg);
}


/* =====================================================
   LAPTOP
===================================================== */

.laptop {

    position: absolute;

    width: 535px;

    height: 365px;

    left: 47px;

    top: 58px;

    transform-style:
        preserve-3d;

    animation:
        laptopFloat 5s ease-in-out infinite;
}


@keyframes laptopFloat {

    0%,
    100% {

        transform:
            rotateX(5deg)
            rotateY(-8deg)
            translateY(0);

    }

    50% {

        transform:
            rotateX(5deg)
            rotateY(-8deg)
            translateY(-12px);

    }

}


.screen {

    width: 100%;

    height: 305px;

    padding: 13px;

    border:
        5px solid #192a45;

    border-radius:
        20px 20px 9px 9px;

    background:
        linear-gradient(
            145deg,
            #101d35,
            #020914
        );

    box-shadow:
        0 35px 70px
        rgba(6,31,75,.28),

        inset 0 1px
        rgba(255,255,255,.18);
}


.screen-inner {

    height: 100%;

    overflow: hidden;

    border-radius: 10px;

    background:
        radial-gradient(
            circle at 85% 25%,
            rgba(36,132,255,.25),
            transparent 30%
        ),

        linear-gradient(
            135deg,
            #071a3a,
            #0c2c5f
        );
}


.screen-header {

    height: 48px;

    padding:
        0 18px;

    display: flex;

    align-items: center;

    justify-content: space-between;

    border-bottom:
        1px solid
        rgba(255,255,255,.08);
}


.screen-brand {

    color: white;

    font-size: 10px;

    font-weight: 700;
}


.screen-brand b {
    color: #38a2ff;
}


.screen-dots {

    display: flex;

    gap: 5px;
}


.screen-dots i {

    width: 5px;

    height: 5px;

    border-radius: 50%;

    background:
        rgba(255,255,255,.25);
}


/* =====================================================
   CALCULATOR UI
===================================================== */

.calculator-ui {

    padding:
        23px 28px;
}


.calculator-ui h2 {

    color: white;

    font-size: 17px;

    margin-bottom: 15px;
}


.ui-grid {

    display: grid;

    grid-template-columns:
        1fr 1fr;

    gap: 11px;
}


.input-box {

    min-height: 61px;

    padding: 12px;

    border:
        1px solid
        rgba(255,255,255,.08);

    border-radius: 10px;

    background:
        rgba(255,255,255,.055);
}


.input-box small {

    display: block;

    color: #91a9ca;

    font-size: 8px;

    margin-bottom: 7px;
}


.input-box strong {

    color: white;

    font-size: 16px;
}


.result-box {

    grid-column: 2;

    grid-row: 1 / span 2;

    display: flex;

    align-items: center;

    justify-content: center;

    flex-direction: column;

    gap: 8px;

    border:
        1px solid
        rgba(64,157,255,.35);

    border-radius: 13px;

    background:
        linear-gradient(
            145deg,
            rgba(26,128,255,.2),
            rgba(17,74,160,.12)
        );
}


.result-box > span {

    color: #80d3ff;

    font-size: 9px;
}


.grade-circle {

    width: 102px;

    height: 102px;

    display: grid;

    place-items: center;

    border-radius: 50%;

    background:
        conic-gradient(
            #2f9bff 0deg,
            #15d5ff 330deg,
            rgba(255,255,255,.08) 330deg
        );

    box-shadow:
        0 0 35px
        rgba(28,143,255,.25);
}


.grade-circle > div {

    width: 88px;

    height: 88px;

    border-radius: 50%;

    display: grid;

    place-items: center;

    text-align: center;

    background: #09234a;
}


.grade-circle b,
.grade-circle small {

    display: block;

    color: white;
}


.grade-circle b {
    font-size: 27px;
}


.grade-circle small {

    color: #8ed6ff;

    font-size: 9px;
}


/* =====================================================
   KEYBOARD
===================================================== */

.keyboard {

    width: 112%;

    height: 70px;

    left: -6%;

    top: 288px;

    position: absolute;

    border-radius:
        0 0 18px 18px;

    background:
        linear-gradient(
            180deg,
            #c0cad6,
            #7c8999
        );

    box-shadow:
        0 20px 30px
        rgba(8,35,72,.25),

        inset 0 1px
        rgba(255,255,255,.7);

    transform:
        perspective(500px)
        rotateX(58deg);
}


.trackpad {

    position: absolute;

    width: 105px;

    height: 44px;

    left: 50%;

    top: 17px;

    transform:
        translateX(-50%);

    border-radius: 7px;

    background: #adb9c7;
}


/* =====================================================
   FLOATING GRADE CARD
===================================================== */

.grade-card {

    position: absolute;

    right: -8px;

    top: 34px;

    width: 155px;

    height: 174px;

    padding: 18px;

    border:
        1px solid
        rgba(255,255,255,.9);

    border-radius: 22px;

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,.96),
            rgba(244,249,255,.82)
        );

    box-shadow:
        0 30px 55px
        rgba(17,54,110,.18),

        inset 0 1px white;

    backdrop-filter:
        blur(20px);

    transform:
        translateZ(90px)
        rotateY(-8deg);

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

    z-index: 5;
}


@keyframes cardFloat {

    0%,
    100% {

        transform:
            translateZ(90px)
            rotateY(-8deg)
            translateY(0);

    }

    50% {

        transform:
            translateZ(90px)
            rotateY(-8deg)
            translateY(-17px);

    }

}


.grade-card small {

    color: #78879e;

    font-size: 9px;
}


.grade-card b {

    display: block;

    color: #1268ef;

    font-size: 48px;

    line-height: 1;

    margin:
        8px 0 4px;
}


.grade-card > span {

    color: #455873;

    font-size: 11px;
}


.progress {

    height: 6px;

    margin-top: 18px;

    border-radius: 10px;

    overflow: hidden;

    background: #e7edf5;
}


.progress i {

    display: block;

    width: 92%;

    height: 100%;

    border-radius: inherit;

    background:
        linear-gradient(
            90deg,
            #1768ee,
            #40a6ff
        );
}


/* =====================================================
   BOOKS
===================================================== */

.books {

    position: absolute;

    left: -10px;

    bottom: 40px;

    width: 220px;

    height: 125px;

    transform:
        translateZ(70px)
        rotateY(12deg);

    animation:
        booksFloat 6s ease-in-out infinite;
}


@keyframes booksFloat {

    0%,
    100% {

        transform:
            translateZ(70px)
            rotateY(12deg)
            translateY(0);

    }

    50% {

        transform:
            translateZ(70px)
            rotateY(12deg)
            translateY(-10px);

    }

}


.book {

    position: absolute;

    width: 190px;

    height: 32px;

    display: flex;

    align-items: center;

    padding-left: 18px;

    border-radius: 5px;

    color: white;

    font-size: 10px;

    font-weight: 800;

    box-shadow:
        0 12px 20px
        rgba(8,35,72,.17);
}


.book-one {

    bottom: 0;

    left: 10px;

    background:
        linear-gradient(
            90deg,
            #0c2346,
            #173c70
        );

    transform:
        rotate(-3deg);
}


.book-two {

    bottom: 29px;

    left: 0;

    background:
        linear-gradient(
            90deg,
            #0e66bf,
            #258be9
        );

    transform:
        rotate(2deg);
}


.book-three {

    bottom: 58px;

    left: 17px;

    background:
        linear-gradient(
            90deg,
            #102c56,
            #315b91
        );

    transform:
        rotate(-4deg);
}


/* =====================================================
   GOLD PEN
===================================================== */

.gold-pen {

    position: absolute;

    width: 150px;

    height: 9px;

    right: 43px;

    bottom: 53px;

    border-radius: 10px;

    background:
        linear-gradient(
            90deg,
            #b78325,
            #ffe08a,
            #a56e18
        );

    box-shadow:
        0 8px 18px
        rgba(124,78,5,.22);

    transform:
        rotate(-23deg)
        translateZ(100px);

    animation:
        penFloat 5s ease-in-out infinite;
}


@keyframes penFloat {

    0%,
    100% {

        transform:
            rotate(-23deg)
            translateZ(100px)
            translateY(0);

    }

    50% {

        transform:
            rotate(-20deg)
            translateZ(100px)
            translateY(-8px);

    }

}


/* =====================================================
   GOLD ORB
===================================================== */

.gold-orb {

    position: absolute;

    width: 25px;

    height: 25px;

    right: 20px;

    bottom: 150px;

    border-radius: 50%;

    background:
        radial-gradient(
            circle at 30% 25%,
            #fff8d7,
            #dba53a 35%,
            #916117 70%,
            #4e320d
        );

    box-shadow:
        0 15px 35px
        rgba(135,88,16,.22),

        inset 4px 4px 10px
        rgba(255,255,255,.55);

    animation:
        orbFloat 5s ease-in-out infinite;
}


@keyframes orbFloat {

    0%,
    100% {
        transform:
            translateY(0)
            translateZ(80px);
    }

    50% {
        transform:
            translateY(-20px)
            translateZ(80px);
    }

}


/* =====================================================
   PARTICLES
===================================================== */

.particle {

    position: absolute;

    width: 5px;

    height: 5px;

    border-radius: 50%;

    background: #5da8ff;

    box-shadow:
        0 0 15px #5da8ff;

    opacity: .5;

    animation:
        particleFloat 5s ease-in-out infinite;
}


.p1 {
    left: 10%;
    top: 18%;
}


.p2 {
    left: 75%;
    top: 10%;
    animation-delay: 1s;
}


.p3 {
    right: 3%;
    top: 45%;
    animation-delay: 2s;
}


.p4 {
    left: 45%;
    bottom: 8%;
    animation-delay: 1.5s;
}


.p5 {
    right: 30%;
    bottom: 19%;
    animation-delay: 2s;
}


@keyframes particleFloat {

    0%,
    100% {
        transform:
            translateY(0)
            scale(.8);

        opacity: .12;
    }

    50% {
        transform:
            translateY(-25px)
            scale(1.3);

        opacity: .75;
    }

}


/* =====================================================
   LOWER CONTENT
===================================================== */

.info-section,
.faq-section {

    width: min(1100px,88%);

    margin: auto;

    padding:
        80px 0;
}


.info-section {

    display: grid;

    grid-template-columns:
        1fr 1fr;

    gap: 70px;

    border-top:
        1px solid #e1e9f3;
}


.section-label {

    color: #1768ef;

    font-size: 12px;

    font-weight: 800;

    letter-spacing: 1px;
}


.info-section h2,
.faq-section h2 {

    font-size: 40px;

    line-height: 1.08;

    letter-spacing: -1.5px;

    margin-top: 10px;
}


.info-section p,
.faq-section p {

    color: #62718a;

    line-height: 1.8;
}


.faq-section {

    padding-top: 30px;

    padding-bottom: 100px;
}


/* =====================================================
   TABLET
===================================================== */

@media (max-width:1100px) {

    .hero {

        grid-template-columns: 1fr;

        padding-top: 65px;
    }


    .hero-content {

        text-align: center;
    }


    .badge {

        margin-left: auto;

        margin-right: auto;
    }


    .hero-description {

        margin-left: auto;

        margin-right: auto;
    }


    .main-button {

        margin: auto;
    }


    .features {

        justify-content: center;
    }


    .scene {

        margin-top: 20px;
    }


    .info-section {

        grid-template-columns: 1fr;

        gap: 25px;
    }

}


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

@media (max-width:700px) {

    .navbar {

        height: 72px;

        padding: 0 20px;
    }


    .nav-links {
        display: none;
    }


    .logo {
        font-size: 15px;
    }


    .logo-icon {

        width: 35px;

        height: 35px;
    }


    .hero {

        padding:
            50px 20px 0;
    }


    h1 {

        font-size: 50px;

        letter-spacing: -3px;
    }


    .hero-description {

        font-size: 15px;
    }


    .main-button {

        width: 100%;

        justify-content: center;

        font-size: 14px;
    }


    .features {

        flex-direction: column;

        align-items: flex-start;

        gap: 15px;

        width: 100%;
    }


    .feature {

        border: 0;

        margin: 0;

        padding: 0;
    }


    .scene {

        height: 380px;

        transform: scale(.56);

        transform-origin:
            top center;

        margin-bottom: -170px;
    }


    .info-section,
    .faq-section {

        width: 88%;

        padding:
            55px 0;
    }


    .info-section h2,
    .faq-section h2 {

        font-size: 31px;
    }

}


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

@media (max-width:420px) {

    h1 {
        font-size: 42px;
    }


    .scene {

        transform: scale(.46);

        margin-bottom: -200px;
    }

}