/* Variables */
:root {
    --glow-github:255,255,255;
    --glow-linkedin:56,152,255;
    --glow-instagram:225,80,205;
    --glow-email:248,81,73;
    --glow-whatsapp:56,214,116;
    --glow-resume:139,92,246;
}

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

/* Scroll bar */
::-webkit-scrollbar {
    width: 3px;
    height: 3px;
    border-radius: 20px;
    border: none;
}

::-webkit-scrollbar-track {
    background:#101010;
}

::-webkit-scrollbar-thumb {
    border-radius: 20px;
    border: 3px solid #bbb;
    background:var(--primary);
    border-radius:999px;
} 

html{
    scroll-behavior:smooth;
}

body{
    font-family:"Inter",sans-serif;
    background:var(--void);
    color:white;
    overflow-x:hidden;
    position:relative;
    line-height:1.6;
}

h1,h2,h3,.nav-title,.card-title{
    font-family:"Space Grotesk",sans-serif;
}

.eyebrow,.chip{
    font-family:"JetBrains Mono",monospace;
}

a{
    color:inherit;
}

button{
    font-family:inherit;
    cursor:pointer;
}

/* Background grain */
.grain{

    position:fixed;
    inset:0;
    z-index:40;
    pointer-events:none;
    opacity:.035;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");

}

/* Background grid */
.grid-texture{
    position:fixed;
    inset:0;
    z-index:-2;
    opacity:.35;
    background-image:
        linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
    background-size:56px 56px;
    mask-image:radial-gradient(circle at 50% 0%, black, transparent 75%);
}

/* Background blur glow effect */
body::before{
    content:"";
    position:fixed;
    width:600px;
    height:600px;
    background:#8b5cf630;
    border-radius:50%;
    filter:blur(180px);
    top:-200px;
    left:-150px;
    z-index:-3;
}

body::after{
    content:"";
    position:fixed;
    width:500px;
    height:500px;
    background:#6d28d950;
    border-radius:50%;
    filter:blur(180px);
    bottom:-150px;
    right:-120px;
    z-index:-3;
}

.container{
    width:90%;
    max-width:1160px;
    margin:0 auto;
    padding:0 clamp(20px, 6vw, 8%);

}

.section{
    padding:70px 0;
    position:relative;
}

.section-heading{
    font-size:clamp(26px, 4vw, 38px);
    font-weight:700;
    letter-spacing:-.5px;
    margin-bottom:12px;
    text-align:center;
}

.section-sub{
    color:var(--mist);
    font-size:clamp(13.5px, 1.6vw, 15px);
    max-width:520px;
    margin:0 auto 48px;
    text-align:center;
}

/* Reveal Animations */
.reveal{
    opacity:0;
    transform:translateY(28px);
    transition:opacity .8s var(--ease), transform .8s var(--ease);
}

.reveal.in-view{
    opacity:1;
    transform:translateY(0);
}

/* Fade in animation */
@keyframes fadeIn{
    from{ opacity:0; transform:translateY(20px); }
    to{ opacity:1; transform:translateY(0); }
}

.fade-in{
    animation:fadeIn 1s var(--ease) forwards;
}

/* Slide down animation */
@keyframes slideDown {
    from{
        transform: translateY(-60px);
        opacity: 0;
    }
    to {
        transform: translateY(0px);
        opacity: 1;
    }
}

.slide-down{
    animation:slideDown 2s var(--ease) forwards;
}

/* Navigation */
.top-nav {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 998;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom:1px solid transparent;
    opacity: 0;
    transition:background .4s ease, border-color .4s ease, backdrop-filter .4s ease;
}

.top-nav.scrolled{
    background:rgba(8,8,10,.6);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
}

.nav-container {
    width: 97%;
    margin: 0 auto;
    padding: 1rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.home-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
    color: var(--text-muted);
}

.home-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--glass-glow);
}

.nav-title {
    letter-spacing: 2px;
    font-size: 1rem;
    font-family:"JetBrains Mono",monospace;
    color:var(--mist);
    display: block;
}

/* Menu bar (Hamburger menu) */
.menu-btn{
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
    color: var(--text-muted);
    cursor: pointer;
}

.menu-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--glass-glow);
}

.menu {
    font-size: 20px;
}

.mobile-menu{
    position:fixed;
    top:0;
    right:-100%;
    width:280px;
    height:100vh;
    background:rgba(10,10,15,.9);
    backdrop-filter:blur(20px);
    border-left:1px solid rgba(255,255,255,.1);
    display:flex;
    flex-direction:column;
    padding:100px 35px;
    gap:28px;
    transition:.4s ease;
    z-index:1000;
}

.mobile-menu.active{
    right:0;
}

.mobile-menu a{
    text-decoration:none;
    font-size:18px;
    transition:.3s;
}

.mobile-menu a:hover{
    color:var(--amethyst);
    transform:translateX(6px);
}

.active-page::after {
    color: var(--amethyst);
    content: " ‹";
}

.close-btn{
    position:absolute;
    top:25px;
    right:25px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
    color: var(--text-muted);
    cursor: pointer;
}

.close-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--glass-glow);
}

.close {
    font-size: 20px;
}


.overlay{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.45);
    opacity:0;
    visibility:hidden;
    transition:.3s;
    z-index:999;
}

.overlay.active{
    opacity:1;
    visibility:visible;
}

/* Glass card */
.glass-card{

    background:rgba(13,13,19,.55);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    box-shadow:0 20px 60px rgba(0,0,0,.45);
    transition:transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);

}

.contact {
    padding: 10px 0 80px 0;
}

.contact-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:24px;
    align-items:stretch;
}

.contact-card{
    --glow:139,92,246;
    --hover-glow:255,255,255;

    position:relative;
    overflow:hidden;
    padding:34px 28px;
    display:flex;
    flex-direction:column;
    text-decoration:none;
    color:white;
    height:100%;
}

/* Mouse follow spotlight */
.contact-card::before{
    content:"";
    position:absolute;
    inset:0;
    z-index:0;
    opacity:0;
    background:radial-gradient(circle at var(--mx,50%) var(--my,50%), rgba(var(--hover-glow),.12), transparent 45%);
    transition:opacity .4s ease;
    pointer-events:none;
}

.contact-card:hover::before{
    opacity:1;
}

/* Ambient glow inside card */
.contact-card::after{
    content:"";
    position:absolute;
    inset:-2px;
    z-index:-1;
    border-radius:inherit;
    opacity:0;
    background:radial-gradient(circle at 50% 0%, rgba(var(--glow),.35), transparent 65%);
    filter:blur(10px);
    transition:opacity .4s var(--ease);
}

.contact-card:hover{
    transform:translateY(-8px) scale(1.015);
    border-color:rgba(var(--glow),.5);
    box-shadow:0 25px 70px rgba(0,0,0,.55), 0 0 40px rgba(var(--glow),.25);
}

.contact-card:hover::after{
    opacity:1;
}

.contact-card:focus-visible{
    outline:2px solid var(--orchid);
    outline-offset:3px;
}

.card-icon{
    width:52px;
    height:52px;
    border-radius:14px;
    display:flex;
    align-items:center;
    justify-content:center;
    margin-bottom:22px;
    background:rgba(var(--glow),.12);
    border:1px solid rgba(var(--glow),.3);
    color:rgb(var(--glow));
    transition:transform .4s var(--ease);
    position:relative;
    z-index:1;
}

.card-icon svg{
    width:24px;
    height:24px;
}

.contact-card:hover .card-icon{
    transform:translateY(-6px);
}

.card-title{
    font-size:19px;
    font-weight:600;
    margin-bottom:8px;
    position:relative;
    z-index:1;
}

.card-desc{
    color:var(--mist);
    font-size:13.5px;
    margin-bottom:16px;
    position:relative;
    z-index:1;
}

.card-handle{
    font-size:13px;
    color:var(--mist-dim);
    font-family:"JetBrains Mono",monospace;
    margin-bottom:22px;
    position:relative;
    z-index:1;
}

.card-arrow{
    margin-top:auto;
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13.5px;
    font-weight:600;
    color:white;
    position:relative;
    z-index:1;
}

.card-arrow svg{
    width:16px;
    height:16px;
    transition:transform .35s var(--ease);
}

.contact-card:hover .card-arrow svg{
    transform:translateX(5px);
}

/* Custom glow per card */
.card-github{ --glow:var(--glow-github); }
.card-linkedin{ --glow:var(--glow-linkedin); }
.card-instagram{ --glow:var(--glow-instagram); }
.card-email{ --glow:var(--glow-email); }
.card-whatsapp{ --glow:var(--glow-whatsapp); }
.card-resume{ --glow:var(--glow-resume); }

.card-github:hover {--hover-glow:var(--glow-github);}
.card-linkedin:hover {--hover-glow:var(--glow-linkedin);}
.card-instagram:hover {--hover-glow:var(--glow-instagram);}
.card-email:hover {--hover-glow:var(--glow-email);}
.card-whatsapp:hover {--hover-glow:var(--glow-whatsapp);}
.card-resume:hover {--hover-glow:var(--glow-resume);}

/* Avaiable section */
.available {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 20px;
}

.chip-row{
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    gap:12px;
}

.chip{
    padding:10px 20px;
    border-radius:50px;
    background:var(--glass);
    border:1px solid var(--line);
    font-size:12.5px;
    letter-spacing:.4px;
    color:var(--mist);
    transition:border-color .3s, color .3s, background .3s, transform .3s;
    cursor:default;
}

.chip:hover{
    color:white;
    border-color:rgba(192,132,252,.5);
    background:rgba(139,92,246,.12);
    transform:translateY(-3px);
}

.subtitle{
    color:var(--mist);
    max-width:700px;
    font-size:clamp(14px, 1.8vw, 17px);
    margin-bottom:26px;
    text-align: center;
}

/* Footer */
.site-footer{
    padding:36px 0 60px;
    text-align:center;
    color:var(--mist-dim);
    font-size:13px;
}

/* Responsive */
@media(min-height:1100px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media(max-width:992px){

    .section {
        padding: 70px 0;
    }

    .contact {
        padding: 20px 0 50px 0;
    }

    .contact-grid{
        grid-template-columns:repeat(2, 1fr);
    }

    .site-footer {
        padding: 36px 0 50px;
    }

    .subtitle {
        max-width: 80%;
    }

}

@media(max-width:768px){

    .section{
        padding:64px 0;
    }

    .contact {
        padding: 30px 0 60px 0;
    }

    .site-footer {
        padding: 10px 0 50px;
    }

    .subtitle {
        max-width: 90%;
    }

}

@media(max-width:576px){

    .contact-grid{
        grid-template-columns:1fr;
    }

    .btn{
        width:100%;
        justify-content:center;
    }

    .available {
        gap: 10px;
    }

}

@media (max-width: 480px) {
    .nav-container {
        padding: 0.6rem 0;
        width: 90%;
    }

    .home {
        font-size: 15px;
    }
}

@media (max-width:375px){

    .nav-container {
        padding: 0.5rem 0;
        width: 95%;
    }

    .nav-title {
        font-size: 0.8rem;
    }

    .home-btn {
        width: 30px;
        height: 30px;
    }
}

/* Animation reduction */
@media (prefers-reduced-motion: reduce){

    .reveal{
        opacity:1;
        transform:none;
        transition:none;
    }

    .fade-in{
        animation:none;
    }

    .deco-line::after{
        animation:none;
    }

}