/*==========================================================
    NEPTUNE ICE
    Premium Website
==========================================================*/
:root{
    --navy:#081A33;
    --navy-light:#102B4F;
    --blue:#0095FF;
    --light-blue:#5CC8FF;
    --white:#ffffff;
    --grey:#F5F7FA;
    --text:#DCE6F2;
    --radius:22px;
    --transition:.35s ease;
    --shadow:0 25px 60px rgba(0,0,0,.35);
    --container:1400px;
}
/*==========================================================*/
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}
html{
    scroll-behavior:smooth;
}
body{
    font-family:'Montserrat',sans-serif;
    background:var(--navy);
    color:white;
    overflow-x:hidden;
}
img{
    display:block;
    max-width:100%;
}
a{
    text-decoration:none;
}
.container{
    width:min(92%,var(--container));
    margin:auto;
}
section{
    padding:120px 0;
}
/*==========================================================
NAVBAR
==========================================================*/
.navbar{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    z-index:999;
    backdrop-filter:blur(18px);
    background:rgba(8,26,51,.65);
    border-bottom:1px solid rgba(255,255,255,.08);
    transition:var(--transition);
}
.navbar-scrolled{
    background:rgba(8,26,51,.92);
    box-shadow:0 10px 30px rgba(0,0,0,.3);
}
.nav-container{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:90px;
}
.logo img{
    height:60px;
}
.nav-links{
    display:flex;
    list-style:none;
    gap:45px;
}
.nav-links a{
    position:relative;
    color:white;
    font-weight:600;
    transition:var(--transition);
}
.nav-links a:hover,
.nav-links a.active{
    color:var(--light-blue);
}
.btn-nav{
    padding:16px 32px;
    background:var(--blue);
    color:white;
    border-radius:14px;
    font-weight:700;
    transition:var(--transition);
    position:relative;
    overflow:hidden;
}
.btn-nav:hover{
    transform:translateY(-3px);
    box-shadow:0 15px 35px rgba(0,149,255,.35);
}
.mobile-toggle{
    display:none;
    flex-direction:column;
    justify-content:space-between;
    width:28px;
    height:20px;
    cursor:pointer;
    z-index:1000;
}
.mobile-toggle span{
    display:block;
    width:100%;
    height:2px;
    background:white;
    border-radius:2px;
    transition:var(--transition);
}
.mobile-toggle.active span:nth-child(1){
    transform:translateY(9px) rotate(45deg);
}
.mobile-toggle.active span:nth-child(2){
    opacity:0;
}
.mobile-toggle.active span:nth-child(3){
    transform:translateY(-9px) rotate(-45deg);
}
/*==========================================================
HERO
==========================================================*/
.hero{
    position:relative;
    min-height:100vh;
    display:flex;
    align-items:center;
    overflow:hidden;
    background:url("assets/images/hero-bg-smoke.png");
    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;
}
.hero-fg-overlay{
    position:absolute;
    right:0;
    bottom:0;
    width:62%;
    max-width:840px;
    height:auto;
    z-index:1;
    pointer-events:none;
}
.hero::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(90deg,
    rgba(5,12,24,.8) 0%,
    rgba(5,12,24,.4) 36%,
    transparent 58%);
    z-index:2;
}
.hero-grid{
    position:relative;
    z-index:5;
    max-width:560px;
    margin-left:2%;
    margin-right:auto;
}
.hero-label{
    display:inline-block;
    padding:10px 18px;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.08);
    border-radius:100px;
    margin-bottom:30px;
    color:var(--light-blue);
    font-size:.85rem;
    letter-spacing:2px;
}
.hero h1{
    font-size:6rem;
    line-height:.9;
    font-weight:800;
    margin-bottom:30px;
}
.hero h1 span{
    color:var(--light-blue);
}
.hero p{
    max-width:520px;
    color:var(--text);
    line-height:1.9;
    margin-bottom:40px;
    font-size:1.05rem;
}
.hero-buttons{
    display:flex;
    gap:20px;
    margin-bottom:60px;
}
.btn-primary{
    padding:18px 34px;
    border-radius:16px;
    background:var(--blue);
    color:white;
    font-weight:700;
    transition:var(--transition);
    position:relative;
    overflow:hidden;
    display:inline-block;
}
.btn-primary:hover{
    transform:translateY(-4px);
    box-shadow:0 20px 40px rgba(0,149,255,.45);
}
.btn-secondary{
    padding:18px 34px;
    border-radius:16px;
    border:1px solid rgba(255,255,255,.18);
    color:white;
    transition:var(--transition);
    display:inline-block;
}
.btn-secondary:hover{
    background:white;
    color:var(--navy);
}
.hero-stats{
    display:flex;
    gap:60px;
}
.hero-stats h3{
    font-size:2rem;
    color:var(--light-blue);
}
.hero-stats span{
    color:#D8E5F3;
}
.hero-image{
    position:relative;
    display:flex;
    justify-content:center;
}
.floating-ice{
    position:absolute;
    width:70px;
    animation:float 6s ease-in-out infinite;
}
.ice-one{
    top:40px;
    left:20px;
}
.ice-two{
    right:40px;
    top:120px;
}
.ice-three{
    bottom:80px;
    left:0;
}
.ice-four{
    right:0;
    bottom:50px;
}
@keyframes float{
    0%{
        transform:translateY(0px);
    }
    50%{
        transform:translateY(-15px);
    }
    100%{
        transform:translateY(0px);
    }
}
/*==========================================================
SCROLL REVEAL
==========================================================*/
.about-card,
.product-card,
.section-title,
.hero-content,
.hero-image{
    opacity:0;
    transform:translateY(40px);
    transition:opacity .8s ease, transform .8s ease;
}
.about-card.show,
.product-card.show,
.section-title.show,
.hero-content.show,
.hero-image.show{
    opacity:1;
    transform:translateY(0);
}
/*==========================================================
RIPPLE EFFECT
==========================================================*/
.ripple{
    position:absolute;
    border-radius:50%;
    background:rgba(255,255,255,.5);
    transform:scale(0);
    animation:ripple-anim .6s linear;
    pointer-events:none;
}
@keyframes ripple-anim{
    to{
        transform:scale(4);
        opacity:0;
    }
}
/*==========================================================
SECTION TITLE (shared: About / Products / Contact)
==========================================================*/
.section-title{
    max-width:700px;
    margin:0 auto 80px;
    text-align:center;
}
.section-title span{
    display:inline-block;
    padding:10px 18px;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.08);
    border-radius:100px;
    color:var(--light-blue);
    font-size:.85rem;
    letter-spacing:2px;
    margin-bottom:20px;
}
.section-title h2{
    font-size:3rem;
    font-weight:800;
    margin-bottom:20px;
}
.section-title p{
    color:var(--text);
    line-height:1.8;
}
/*==========================================================
ABOUT
==========================================================*/
#about{
    background:var(--navy-light);
}
.about-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:80px;
    align-items:center;
}
.about-image img{
    width:100%;
    border-radius:var(--radius);
    box-shadow:var(--shadow);
}
.about-content{
    display:flex;
    flex-direction:column;
    gap:25px;
}
.about-card{
    background:rgba(255,255,255,.03);
    border:1px solid rgba(255,255,255,.08);
    border-radius:var(--radius);
    padding:30px;
    transition:var(--transition);
}
.about-card:hover{
    transform:translateY(-6px);
    border-color:var(--blue);
}
.about-card h3{
    color:var(--light-blue);
    font-size:1.2rem;
    margin-bottom:10px;
}
.about-card p{
    color:var(--text);
    line-height:1.7;
    font-size:.95rem;
}
/*==========================================================
PRODUCTS
==========================================================*/
#products{
    background:var(--navy);
}
.products-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:40px;
}
.product-card{
    background:rgba(255,255,255,.03);
    border:1px solid rgba(255,255,255,.08);
    border-radius:var(--radius);
    padding:50px 35px;
    text-align:center;
    transition:var(--transition);
}
.product-card:hover{
    transform:translateY(-12px);
    border-color:var(--blue);
    box-shadow:var(--shadow);
}
.product-card img{
    width:100%;
    max-width:220px;
    margin:0 auto 30px;
    filter:drop-shadow(0 20px 30px rgba(0,0,0,.4));
}
.product-card h3{
    font-size:1.4rem;
    margin-bottom:12px;
}
.product-card p{
    color:var(--text);
    line-height:1.7;
    font-size:.92rem;
    margin-bottom:28px;
}
/*==========================================================
CONTACT
==========================================================*/
#contact{
    background:var(--navy-light);
}
.contact-grid{
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:50px;
}
.contact-info{
    display:flex;
    flex-direction:column;
    gap:25px;
}
.contact-item{
    background:rgba(255,255,255,.03);
    border:1px solid rgba(255,255,255,.08);
    border-radius:var(--radius);
    padding:25px 30px;
}
.contact-item h3{
    color:var(--light-blue);
    font-size:1rem;
    margin-bottom:8px;
    letter-spacing:1px;
}
.contact-item p{
    color:var(--text);
    font-size:1.05rem;
}
.contact-item p.tbd{
    color:#8fa6c2;
    font-style:italic;
    font-size:.9rem;
}
.contact-cta{
    background:linear-gradient(135deg,var(--blue),#0069b8);
    border-radius:var(--radius);
    padding:45px 40px;
    display:flex;
    flex-direction:column;
    justify-content:center;
}
.contact-cta h3{
    font-size:1.8rem;
    margin-bottom:15px;
}
.contact-cta p{
    color:rgba(255,255,255,.9);
    margin-bottom:30px;
    line-height:1.7;
}
.contact-cta .btn-primary{
    background:white;
    color:var(--navy);
    align-self:flex-start;
}
.contact-cta .btn-primary:hover{
    box-shadow:0 20px 40px rgba(0,0,0,.35);
}
/*==========================================================
FOOTER
==========================================================*/
footer{
    background:#061324;
    padding:80px 0 0;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr;
    gap:60px;
    padding-bottom:60px;
    border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand img{
    height:48px;
    margin-bottom:18px;
}
.footer-brand p{
    color:var(--text);
    line-height:1.7;
    max-width:320px;
}
.footer-links h4{
    color:white;
    font-size:1rem;
    margin-bottom:20px;
    letter-spacing:1px;
}
.footer-links a{
    display:block;
    color:var(--text);
    margin-bottom:12px;
    transition:var(--transition);
}
.footer-links a:hover{
    color:var(--light-blue);
}
.footer-bottom{
    text-align:center;
    padding:30px 0;
    color:#7c93b0;
    font-size:.9rem;
}
/*==========================================================
RESPONSIVE
==========================================================*/
@media(max-width:1100px){
    .hero h1{
        font-size:4.6rem;
    }
    .products-grid{
        grid-template-columns:repeat(2,1fr);
    }
    .footer-grid{
        grid-template-columns:1fr 1fr;
    }
}
@media(max-width:900px){
    section{
        padding:90px 0;
    }
    .nav-links{
        position:fixed;
        top:90px;
        left:0;
        width:100%;
        flex-direction:column;
        align-items:center;
        gap:0;
        background:rgba(8,26,51,.98);
        max-height:0;
        overflow:hidden;
        transition:var(--transition);
    }
    .nav-links.active{
        max-height:400px;
        padding:20px 0;
    }
    .nav-links li{
        padding:14px 0;
    }
    .btn-nav{
        display:none;
    }
    .mobile-toggle{
        display:flex;
    }
    .hero-grid{
        max-width:100%;
        text-align:center;
        padding-top:130px;
    }
    .hero::before{
        background:linear-gradient(180deg,
        rgba(5,12,24,.55),
        rgba(5,12,24,.7));
    }
    .hero-fg-overlay{
        left:50%;
        right:auto;
        transform:translateX(-50%);
        width:80%;
        max-width:320px;
        opacity:.6;
    }
    .hero h1{
        font-size:3.2rem;
    }
    .hero p{
        margin-left:auto;
        margin-right:auto;
    }
    .hero-buttons{
        justify-content:center;
    }
    .hero-stats{
        justify-content:center;
        flex-wrap:wrap;
        gap:35px;
    }
    .about-grid,
    .contact-grid{
        grid-template-columns:1fr;
    }
    .products-grid{
        grid-template-columns:1fr;
    }
    .footer-grid{
        grid-template-columns:1fr;
        text-align:center;
    }
    .footer-brand p{
        margin:0 auto;
    }
    .contact-cta .btn-primary{
        align-self:center;
    }
}