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

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Poppins',sans-serif;
    background:#0f172a;
    color:#fff;
    overflow-x:hidden;
    line-height:1.6;
}


:root{

    --primary:#6C63FF;
    --secondary:#00D4FF;
    --accent:#FF4D6D;

    --dark:#0f172a;
    --dark2:#111827;

    --glass:rgba(255,255,255,.08);
    --border:rgba(255,255,255,.15);

    --text:#ffffff;
    --text-light:#cbd5e1;

    --radius:20px;

    --shadow:0 20px 40px rgba(0,0,0,.35);

}

.container{

    width:90%;
    max-width:1250px;

    margin:auto;

}

.bg-animation{

    position:fixed;

    inset:0;

    overflow:hidden;

    z-index:-1;

    background:
    linear-gradient(
    135deg,
    #0f172a,
    #111827,
    #1e293b);

}

.bg-animation span{

    position:absolute;

    border-radius:50%;

    background:rgba(255,255,255,.05);

    animation:float 18s linear infinite;

}

.bg-animation span:nth-child(1){

width:160px;
height:160px;

top:10%;
left:8%;

}

.bg-animation span:nth-child(2){

width:220px;
height:220px;

top:60%;
left:70%;

}

.bg-animation span:nth-child(3){

width:120px;
height:120px;

top:25%;
right:12%;

}

.bg-animation span:nth-child(4){

width:260px;
height:260px;

bottom:8%;
left:18%;

}

.bg-animation span:nth-child(5){

width:180px;
height:180px;

bottom:20%;
right:10%;

}

.bg-animation span:nth-child(6){

width:90px;
height:90px;

top:50%;
left:45%;

}

@keyframes float{

0%{

transform:translateY(0)
rotate(0);

}

50%{

transform:translateY(-60px)
rotate(180deg);

}

100%{

transform:translateY(0)
rotate(360deg);

}

}


#loader{

position:fixed;

inset:0;

display:flex;

justify-content:center;

align-items:center;

flex-direction:column;

background:#0f172a;

z-index:9999;

gap:20px;

}

.spinner{

width:75px;

height:75px;

border-radius:50%;

border:6px solid rgba(255,255,255,.2);

border-top:6px solid var(--secondary);

animation:spin 1s linear infinite;

}

@keyframes spin{

100%{

transform:rotate(360deg);

}

}
header{

position:sticky;

top:0;

z-index:1000;

backdrop-filter:blur(15px);

background:rgba(15,23,42,.75);

border-bottom:1px solid var(--border);

}

header .container{

display:flex;

justify-content:space-between;

align-items:center;

padding:18px 0;

}

.logo{

font-size:26px;

font-weight:700;

display:flex;

align-items:center;

gap:10px;

}

.logo i{

color:var(--accent);

}

nav{

display:flex;

align-items:center;

gap:25px;

}

nav a{

text-decoration:none;

color:white;

font-weight:500;

transition:.3s;

}

nav a:hover{

color:var(--secondary);

}

#themeBtn{

width:45px;

height:45px;

border:none;

border-radius:50%;

cursor:pointer;

background:var(--glass);

color:white;

font-size:18px;

transition:.3s;

}

#themeBtn:hover{

transform:rotate(180deg);

background:var(--primary);

}


.hero{

padding:100px 0;

min-height:90vh;

display:flex;

align-items:center;

}

.hero-grid{

display:grid;

grid-template-columns:1fr 1fr;

gap:60px;

align-items:center;

}

.hero h1{

font-size:60px;

line-height:1.2;

margin-bottom:20px;

}

.hero h1 span{

background:linear-gradient(
90deg,
var(--secondary),
var(--primary));

-webkit-background-clip:text;

-webkit-text-fill-color:transparent;

}

.hero p{

font-size:18px;

color:var(--text-light);

margin-bottom:35px;

}

.hero-buttons{

display:flex;

gap:20px;

flex-wrap:wrap;

}

.btn{

display:inline-flex;

align-items:center;

justify-content:center;

gap:10px;

padding:15px 35px;

border:none;

border-radius:50px;

background:linear-gradient(
90deg,
var(--primary),
var(--secondary));

color:white;

text-decoration:none;

font-weight:600;

cursor:pointer;

transition:.35s;

}

.btn:hover{

transform:translateY(-6px);

box-shadow:0 10px 25px rgba(0,212,255,.35);

}

.btn.outline{

background:transparent;

border:2px solid var(--secondary);

}


.hero-card{

background:var(--glass);

backdrop-filter:blur(20px);

border:1px solid var(--border);

border-radius:25px;

padding:50px;

text-align:center;

box-shadow:var(--shadow);

animation:updown 4s ease infinite;

}

.hero-card i{

font-size:60px;

color:var(--accent);

margin-bottom:20px;

}

.hero-card h2{

margin-bottom:15px;

}

@keyframes updown{

50%{

transform:translateY(-12px);

}

}


.calculator-section{
    padding:100px 0;
}

.section-title{
    text-align:center;
    margin-bottom:50px;
}

.section-title h2{
    font-size:42px;
    margin-bottom:10px;
    font-weight:700;
}

.section-title p{
    color:var(--text-light);
    font-size:17px;
}

.calculator-card{
    max-width:700px;
    margin:0 auto;
    padding:40px;
    background:var(--glass);
    border:1px solid var(--border);
    border-radius:25px;
    backdrop-filter:blur(20px);
    box-shadow:var(--shadow);
}

.input-group{
    display:flex;
    flex-direction:column;
    margin-bottom:25px;
}

.input-group label{
    margin-bottom:10px;
    font-weight:600;
    color:#fff;
}

.input-group label i{
    margin-right:8px;
    color:var(--secondary);
}

.input-group input{
    padding:15px;
    border:none;
    outline:none;
    border-radius:14px;
    background:#1e293b;
    color:#fff;
    font-size:16px;
}

.input-group input:focus{
    border:2px solid var(--secondary);
}

.calculate-btn{
    width:100%;
    margin-top:15px;
}


.result-section{
    padding:80px 0;
}

.result-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
    gap:25px;
}

.result-card{
    background:var(--glass);
    border:1px solid var(--border);
    backdrop-filter:blur(20px);
    border-radius:20px;
    padding:30px;
    text-align:center;
    transition:.3s;
    box-shadow:var(--shadow);
}

.result-card:hover{
    transform:translateY(-8px);
    border-color:var(--secondary);
}

.result-card h3{
    color:var(--text-light);
    margin-bottom:10px;
}

.result-card h1{
    font-size:42px;
    color:var(--secondary);
}


.statistics{
    padding:90px 0;
}

.stats-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:25px;
}

.stat-card{
    text-align:center;
    padding:35px;
    border-radius:20px;
    background:var(--glass);
    border:1px solid var(--border);
    backdrop-filter:blur(20px);
    transition:.3s;
}

.stat-card:hover{
    transform:translateY(-10px);
}

.stat-card i{
    font-size:42px;
    color:var(--accent);
    margin-bottom:15px;
}

.stat-card h3{
    margin-bottom:12px;
}

.stat-card span{
    font-size:34px;
    font-weight:700;
    color:var(--secondary);
}


.birthday-section{
    padding:80px 0;
}

.birthday-card{
    max-width:700px;
    margin:auto;
    text-align:center;
    padding:50px;
    border-radius:25px;
    background:linear-gradient(135deg,#6C63FF,#00D4FF);
    color:#fff;
    box-shadow:0 20px 40px rgba(0,0,0,.35);
}

.birthday-card i{
    font-size:60px;
    margin-bottom:20px;
}

.birthday-card h1{
    font-size:54px;
    margin:20px 0;
}


.zodiac-section{
    padding:90px 0;
}

.zodiac-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.zodiac-card{
    background:var(--glass);
    border:1px solid var(--border);
    border-radius:20px;
    backdrop-filter:blur(20px);
    padding:35px;
    text-align:center;
    transition:.3s;
}

.zodiac-card:hover{
    transform:translateY(-10px);
}

.zodiac-card i{
    font-size:50px;
    margin-bottom:18px;
    color:gold;
}

.zodiac-card h3{
    margin-bottom:12px;
}

.zodiac-card p{
    color:var(--secondary);
    font-size:22px;
    font-weight:600;
}


.actions{
    padding:80px 0;
}

.action-buttons{
    display:flex;
    justify-content:center;
    gap:20px;
    flex-wrap:wrap;
}

.action-buttons .btn{
    min-width:180px;
}


.features{
    padding:100px 0;
}

.feature-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:25px;
}

.feature-card{
    background:var(--glass);
    border:1px solid var(--border);
    border-radius:20px;
    backdrop-filter:blur(20px);
    padding:35px;
    text-align:center;
    transition:.35s;
    box-shadow:var(--shadow);
}

.feature-card:hover{
    transform:translateY(-10px) scale(1.03);
    border-color:var(--secondary);
}

.feature-card i{
    font-size:50px;
    color:var(--secondary);
    margin-bottom:20px;
}

.feature-card h3{
    margin-bottom:12px;
}

.feature-card p{
    color:var(--text-light);
}

.faq{
    padding:100px 0;
}

.faq-list{
    max-width:900px;
    margin:auto;
}

.faq details{
    margin-bottom:20px;
    background:var(--glass);
    border:1px solid var(--border);
    border-radius:15px;
    padding:18px 22px;
}

.faq summary{
    cursor:pointer;
    font-weight:600;
    font-size:18px;
}

.faq p{
    margin-top:15px;
    color:var(--text-light);
}


footer{
    padding:70px 0 30px;
    text-align:center;
    border-top:1px solid var(--border);
}

.footer-logo{
    display:flex;
    justify-content:center;
    align-items:center;
    gap:12px;
    margin-bottom:20px;
}

.footer-logo i{
    font-size:32px;
    color:var(--accent);
}

.social-links{
    margin:30px 0;
}

.social-links a{
    display:inline-flex;
    justify-content:center;
    align-items:center;
    width:50px;
    height:50px;
    margin:0 8px;
    border-radius:50%;
    background:var(--glass);
    color:#fff;
    text-decoration:none;
    transition:.3s;
}

.social-links a:hover{
    background:var(--primary);
    transform:translateY(-5px);
}

.copyright{
    color:var(--text-light);
    font-size:14px;
}

#topBtn{
    position:fixed;
    bottom:25px;
    right:25px;
    width:55px;
    height:55px;
    border:none;
    border-radius:50%;
    background:var(--primary);
    color:#fff;
    font-size:20px;
    cursor:pointer;
    display:none;
    z-index:999;
    transition:.3s;
}

#topBtn:hover{
    transform:scale(1.1);
}


#toast{
    position:fixed;
    right:25px;
    bottom:95px;
    padding:15px 24px;
    background:#16a34a;
    color:#fff;
    border-radius:12px;
    opacity:0;
    transform:translateY(20px);
    pointer-events:none;
    transition:.3s;
    z-index:9999;
}

#toast.show{
    opacity:1;
    transform:translateY(0);
}


body.light-mode{
    background:#f8fafc;
    color:#111827;
}

body.light-mode .bg-animation{
    background:linear-gradient(135deg,#eef2ff,#f8fafc,#dbeafe);
}

body.light-mode header{
    background:rgba(255,255,255,.85);
}

body.light-mode nav a,
body.light-mode .logo,
body.light-mode h1,
body.light-mode h2,
body.light-mode h3{
    color:#111827;
}

body.light-mode .calculator-card,
body.light-mode .result-card,
body.light-mode .stat-card,
body.light-mode .feature-card,
body.light-mode .zodiac-card,
body.light-mode .faq details{
    background:rgba(255,255,255,.9);
    border-color:#e5e7eb;
}

body.light-mode input{
    background:#fff;
    color:#111827;
}

@media(max-width:992px){

.hero-grid{
    grid-template-columns:1fr;
    text-align:center;
}

.hero{
    padding:70px 0;
}

.hero h1{
    font-size:42px;
}

nav{
    gap:15px;
}

}

@media(max-width:768px){

header .container{
    flex-direction:column;
    gap:18px;
}

nav{
    flex-wrap:wrap;
    justify-content:center;
}

.section-title h2{
    font-size:32px;
}

.hero h1{
    font-size:34px;
}

.hero-buttons{
    justify-content:center;
}

.calculator-card{
    padding:25px;
}

.result-card h1{
    font-size:34px;
}

.birthday-card h1{
    font-size:40px;
}

}

@media(max-width:480px){

.container{
    width:94%;
}

.btn{
    width:100%;
}

.action-buttons .btn{
    min-width:100%;
}

.hero-card{
    padding:30px;
}

.logo{
    font-size:20px;
}

nav a{
    font-size:14px;
}

}

::-webkit-scrollbar{
    width:10px;
}

::-webkit-scrollbar-thumb{
    background:var(--primary);
    border-radius:10px;
}

::-webkit-scrollbar-track{
    background:#0f172a;
}



footer{
    background:#111827;
    color:#fff;
    text-align:center;
    padding:50px 20px 25px;
    margin-top:60px;
}

.footer-logo{
    display:flex;
    justify-content:center;
    align-items:center;
    gap:12px;
    margin-bottom:15px;
}

.footer-logo i{
    font-size:32px;
    color:#fbbf24;
}

.footer-logo h2{
    font-size:28px;
    font-weight:700;
}

footer p{
    color:#cbd5e1;
    margin:10px 0;
}



.footer-links{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:18px;
    margin:25px 0;
}

.footer-links a{
    color:#fff;
    text-decoration:none;
    font-size:15px;
    transition:.3s;
}

.footer-links a:hover{
    color:#60a5fa;
}



.social-links{
    display:flex;
    justify-content:center;
    gap:18px;
    margin:25px 0;
}

.social-links a{
    width:45px;
    height:45px;
    border-radius:50%;
    background:#1e293b;
    display:flex;
    align-items:center;
    justify-content:center;
    color:#fff;
    font-size:18px;
    transition:.3s;
}

.social-links a:hover{
    background:#2563eb;
    transform:translateY(-5px);
}

.copyright{
    margin-top:20px;
    font-size:14px;
    color:#94a3b8;
}



@media(max-width:768px){

.footer-logo h2{
    font-size:22px;
}

.footer-links{
    flex-direction:column;
    gap:12px;
}

.social-links{
    gap:12px;
}

}