/* =========================================================
GOOGLE FONT
========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Poppins',sans-serif;
}

html{
    scroll-behavior:smooth;
}

body{
    background:#f7faff;
    overflow-x:hidden;
    color:#333;
}

/* =========================================================
ROOT COLORS
========================================================= */

:root{

    --primary:#0b2341;

    --secondary:#ff9800;

    --gradient:linear-gradient(135deg,#ff9800,#ff6b00);

    --text:#666;

    --white:#ffffff;

}

/* =========================================================
PHYSICS LAB SECTION
========================================================= */

.physics-lab{

    padding:110px 7%;

    position:relative;

    overflow:hidden;

}

/* GLOW EFFECT */

.physics-lab::before{

    content:"";

    position:absolute;

    width:380px;

    height:380px;

    border-radius:50%;

    background:rgba(255,152,0,.12);

    left:-120px;

    top:-120px;

    filter:blur(120px);

}

.physics-lab::after{

    content:"";

    position:absolute;

    width:320px;

    height:320px;

    border-radius:50%;

    background:rgba(18,45,82,.10);

    right:-120px;

    bottom:-120px;

    filter:blur(120px);

}

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

.physics-container{

    display:grid;

    grid-template-columns:1fr 1fr;

    gap:75px;

    align-items:center;

    position:relative;

    z-index:2;

}

/* =========================================================
IMAGE
========================================================= */

.physics-image{

    position:relative;

}

.physics-image img{

    width:100%;

    display:block;

    border-radius:35px;

    box-shadow:
    0 30px 70px rgba(0,0,0,.12);

    transition:.7s;

}

/* HOVER */

.physics-image:hover img{

    transform:
    scale(1.05)
    rotate(-1deg);

}

/* GLOW BORDER */

.physics-image::before{

    content:"";

    position:absolute;

    inset:-12px;

    border-radius:40px;

    background:var(--gradient);

    opacity:.15;

    z-index:-1;

}

/* FLOATING */

.physics-image{

    animation:
    floatImage 5s ease-in-out infinite;

}

@keyframes floatImage{

    0%{

        transform:
        translateY(0);

    }

    50%{

        transform:
        translateY(-10px);

    }

    100%{

        transform:
        translateY(0);

    }

}

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

.physics-content span{

    display:inline-block;

    padding:10px 24px;

    background:#fff4e4;

    color:#ff7a00;

    border-radius:40px;

    font-size:13px;

    font-weight:700;

    margin-bottom:22px;

}

.physics-content h2{

    font-size:50px;

    color:var(--primary);

    line-height:1.2;

    margin-bottom:28px;

    font-weight:800;

}

.physics-content p{

    color:var(--text);

    font-size:16px;

    line-height:2;

    margin-bottom:18px;

}

/* =========================================================
FEATURE GRID
========================================================= */

.physics-features{

    display:grid;

    grid-template-columns:
    repeat(2,1fr);

    gap:22px;

    margin-top:40px;

}

/* CARD */

.physics-feature{

    background:#fff;

    border-radius:22px;

    padding:22px;

    display:flex;

    align-items:center;

    gap:18px;

    box-shadow:
    0 18px 40px rgba(0,0,0,.07);

    transition:.4s;

    border:1px solid transparent;

}

/* HOVER */

.physics-feature:hover{

    transform:
    translateY(-10px);

    border-color:#ffd18c;

    box-shadow:
    0 30px 60px rgba(0,0,0,.12);

}

/* ICON */

.physics-feature i{

    width:62px;

    height:62px;

    border-radius:18px;

    background:var(--gradient);

    display:flex;

    align-items:center;

    justify-content:center;

    color:#fff;

    font-size:24px;

    flex-shrink:0;

}

/* TEXT */

.physics-feature span{

    margin:0;

    padding:0;

    background:none;

    color:#222;

    font-size:15px;

    font-weight:600;

}


/* ======================================================
SECOND SECTION
====================================================== */

.physics-second{

    padding:100px 7%;

    background:
    linear-gradient(
    180deg,
    #ffffff,
    #f6f9ff);

    position:relative;

    overflow:hidden;

}

/* GLOW */

.physics-second::before{

    content:"";

    position:absolute;

    width:420px;

    height:420px;

    border-radius:50%;

    background:
    rgba(255,152,0,.08);

    right:-180px;

    top:-150px;

    filter:blur(120px);

}

/* ======================================================
REVERSE
====================================================== */

.reverse{

    display:grid;

    grid-template-columns:1fr 1fr;

    gap:70px;

    align-items:center;

}

/* ======================================================
CHECK LIST
====================================================== */

.physics-list{

    margin-top:35px;

    display:grid;

    gap:18px;

}

.physics-list li{

    list-style:none;

    display:flex;

    align-items:center;

    gap:18px;

    padding:18px 22px;

    background:#fff;

    border-radius:20px;

    box-shadow:
    0 15px 35px rgba(0,0,0,.06);

    transition:.35s;

}

.physics-list li:hover{

    transform:
    translateX(10px);

    box-shadow:
    0 22px 45px rgba(0,0,0,.10);

}

.physics-list li i{

    width:42px;

    height:42px;

    border-radius:50%;

    display:flex;

    align-items:center;

    justify-content:center;

    background:var(--gradient);

    color:#fff;

    font-size:15px;

}

/* ======================================================
HIGHLIGHTS
====================================================== */

.physics-highlights{

    padding:110px 7%;

    background:#ffffff;

}

.physics-title{

    text-align:center;

    margin-bottom:70px;

}

.physics-title span{

    color:#ff7a00;

    font-weight:700;

    letter-spacing:1px;

}

.physics-title h2{

    margin-top:18px;

    font-size:48px;

    color:#0b2341;

}

.physics-title p{

    max-width:780px;

    margin:20px auto 0;

    color:#666;

    line-height:1.9;

}

/* ======================================================
GRID
====================================================== */

.physics-grid{

    display:grid;

    grid-template-columns:
    repeat(3,1fr);

    gap:30px;

}

/* ======================================================
CARD
====================================================== */

.physics-card{

    background:#fff;

    border-radius:30px;

    padding:40px 30px;

    position:relative;

    overflow:hidden;

    box-shadow:
    0 20px 45px rgba(0,0,0,.06);

    transition:.45s;

}

/* TOP BORDER */

.physics-card::before{

    content:"";

    position:absolute;

    left:0;

    top:0;

    width:100%;

    height:5px;

    background:var(--gradient);

    transform:scaleX(0);

    transition:.45s;

}

.physics-card:hover::before{

    transform:scaleX(1);

}

.physics-card:hover{

    transform:
    translateY(-12px);

}

/* ICON */

.physics-card i{

    width:75px;

    height:75px;

    border-radius:22px;

    display:flex;

    align-items:center;

    justify-content:center;

    background:var(--gradient);

    color:#fff;

    font-size:30px;

    margin-bottom:25px;

}

/* TITLE */

.physics-card h3{

    color:#0b2341;

    font-size:24px;

    margin-bottom:18px;

}

/* TEXT */

.physics-card p{

    color:#666;

    line-height:1.9;

    font-size:15px;

}

/* ======================================================
EXPERIMENT BOX
====================================================== */

.experiment-section{

    padding:100px 7%;

    background:
    linear-gradient(
    135deg,
    #08162d,
    #122d52);

}

.experiment-container{

    display:grid;

    grid-template-columns:
    repeat(4,1fr);

    gap:30px;

}

.experiment-box{

    background:
    rgba(255,255,255,.08);

    backdrop-filter:blur(18px);

    border-radius:28px;

    text-align:center;

    padding:40px 25px;

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

    transition:.45s;

}

.experiment-box:hover{

    transform:
    translateY(-12px);

    background:
    rgba(255,255,255,.12);

}

.experiment-box i{

    width:80px;

    height:80px;

    margin:auto auto 22px;

    border-radius:22px;

    display:flex;

    align-items:center;

    justify-content:center;

    background:var(--gradient);

    color:#fff;

    font-size:34px;

}

.experiment-box h2{

    color:#fff;

    font-size:38px;

    margin-bottom:10px;

}

.experiment-box p{

    color:#ececec;

    font-size:15px;

}
/* ======================================================
PREMIUM CTA SECTION
====================================================== */

.physics-cta{

    padding:110px 7%;

    position:relative;

    overflow:hidden;

}

/* BACKGROUND */

.physics-cta-box{

    position:relative;

    overflow:hidden;

    background:
    linear-gradient(
    135deg,
    #08162d,
    #0f2f56,
    #174372);

    border-radius:35px;

    padding:80px 70px;

    text-align:center;

    box-shadow:
    0 35px 80px rgba(0,0,0,.18);

}

/* FLOATING BLOBS */

.physics-cta-box::before{

    content:"";

    position:absolute;

    width:260px;

    height:260px;

    border-radius:50%;

    background:
    rgba(255,152,0,.18);

    right:-90px;

    top:-90px;

    filter:blur(18px);

    animation:blobMove1 7s ease-in-out infinite alternate;

}

.physics-cta-box::after{

    content:"";

    position:absolute;

    width:220px;

    height:220px;

    border-radius:50%;

    background:
    rgba(255,255,255,.08);

    left:-80px;

    bottom:-80px;

    filter:blur(15px);

    animation:blobMove2 8s ease-in-out infinite alternate;

}

/* TITLE */

.physics-cta-box h2{

    position:relative;

    z-index:2;

    color:#fff;

    font-size:52px;

    font-weight:800;

    margin-bottom:25px;

}

/* TEXT */

.physics-cta-box p{

    position:relative;

    z-index:2;

    color:#ececec;

    max-width:850px;

    margin:auto;

    line-height:2;

    font-size:17px;

}

/* BUTTON */

.physics-btn{

    position:relative;

    z-index:2;

    display:inline-flex;

    align-items:center;

    gap:12px;

    margin-top:40px;

    padding:18px 42px;

    text-decoration:none;

    background:var(--gradient);

    color:#fff;

    border-radius:60px;

    font-weight:700;

    transition:.45s;

    box-shadow:
    0 18px 45px rgba(255,120,0,.30);

}

.physics-btn:hover{

    transform:
    translateY(-8px);

    color:#fff;

    letter-spacing:.5px;

}

/* ======================================================
FLOATING ANIMATION
====================================================== */

@keyframes blobMove1{

    from{

        transform:
        translateY(0)
        scale(1);

    }

    to{

        transform:
        translateY(35px)
        scale(1.15);

    }

}

@keyframes blobMove2{

    from{

        transform:
        translateX(0);

    }

    to{

        transform:
        translateX(30px);

    }

}

/* ======================================================
CUSTOM SCROLLBAR
====================================================== */

::-webkit-scrollbar{

    width:10px;

}

::-webkit-scrollbar-track{

    background:#edf2f7;

}

::-webkit-scrollbar-thumb{

    background:
    linear-gradient(
    #ff9800,
    #ff6b00);

    border-radius:50px;

}

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

@media(max-width:992px){

    .physics-container,

    .reverse{

        grid-template-columns:1fr;

        gap:55px;

    }

    .reverse .physics-content{

        order:2;

    }

    .reverse .physics-image{

        order:1;

    }

    .physics-grid{

        grid-template-columns:
        repeat(2,1fr);

    }

    .experiment-container{

        grid-template-columns:
        repeat(2,1fr);

    }

    .physics-content h2{

        font-size:40px;

    }

    .physics-title h2{

        font-size:40px;

    }

    .physics-cta-box h2{

        font-size:42px;

    }

}

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

@media(max-width:576px){

    .physics-lab,

    .physics-second,

    .physics-highlights,

    .experiment-section,

    .physics-cta{

        padding:70px 5%;

    }

    .physics-container{

        gap:40px;

    }

    .physics-content h2{

        font-size:30px;

    }

    .physics-content p{

        font-size:14px;

    }

    .physics-image img{

        border-radius:22px;

    }

    .physics-features{

        grid-template-columns:1fr;

    }

    .physics-feature{

        padding:18px;

    }

    .physics-grid{

        grid-template-columns:1fr;

    }

    .experiment-container{

        grid-template-columns:1fr;

    }

    .physics-title h2{

        font-size:30px;

    }

    .physics-title p{

        font-size:14px;

    }

    .physics-cta-box{

        padding:50px 25px;

    }

    .physics-cta-box h2{

        font-size:28px;

    }

    .physics-cta-box p{

        font-size:14px;

    }

    .physics-btn{

        width:100%;

        justify-content:center;

        padding:16px;

    }

}

/* ======================================================
SMOOTH HOVER EFFECTS
====================================================== */

.physics-image img,

.physics-feature,

.physics-card,

.experiment-box,

.physics-btn{

    transition:
    all .45s ease;

}

/* ======================================================
FADE EFFECT
====================================================== */

.physics-content{

    animation:
    fadeUp .8s ease;

}

@keyframes fadeUp{

    from{

        opacity:0;

        transform:
        translateY(30px);

    }

    to{

        opacity:1;

        transform:
        translateY(0);

    }

}