/*====================================================
  Portfolio V2 - Main Stylesheet (Part 4A)
  Author: Rexford Amoah
=====================================================*/

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

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

/*================ CSS VARIABLES ================*/

:root{

    --primary:#00d9ff;
    --secondary:#4f46e5;
    --accent:#06b6d4;

    --bg:#0f172a;
    --surface:#111827;
    --card:rgba(255,255,255,.08);

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

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

    --shadow:0 15px 40px rgba(0,0,0,.35);

    --radius:20px;

    --transition:.35s ease;

}

/*============== LIGHT THEME ==============*/

body.light{

    --bg:#f4f7fb;
    --surface:#ffffff;
    --card:rgba(255,255,255,.85);

    --text:#0f172a;
    --text-light:#475569;

    --border:#dbe4ee;

    --shadow:0 15px 40px rgba(0,0,0,.08);

}

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

*{

    margin:0;
    padding:0;
    box-sizing:border-box;

}

html{

    scroll-behavior:smooth;

}

body{

    font-family:'Poppins',sans-serif;

    background:var(--bg);

    color:var(--text);

    overflow-x:hidden;

    transition:.4s;

}

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

::-webkit-scrollbar{

    width:10px;

}

::-webkit-scrollbar-track{

    background:#09111f;

}

::-webkit-scrollbar-thumb{

    background:var(--primary);

    border-radius:50px;

}

/*================ GLOBAL ================*/

section{

    padding:110px 10%;

}

img{

    width:100%;
    display:block;

}

a{

    text-decoration:none;

}

ul{

    list-style:none;

}

.section-title{

    text-align:center;

    margin-bottom:70px;

}

.section-title h2{

    font-size:2.8rem;

    margin-bottom:15px;

    color:var(--primary);

}

.section-title p{

    color:var(--text-light);

    max-width:700px;

    margin:auto;

    line-height:1.8;

}

/*================ LOADER ================*/

#loader{

    position:fixed;

    inset:0;

    background:#020617;

    display:flex;

    flex-direction:column;

    justify-content:center;

    align-items:center;

    z-index:99999;

}

.spinner{

    width:80px;

    height:80px;

    border:7px solid rgba(255,255,255,.15);

    border-top:7px solid var(--primary);

    border-radius:50%;

    animation:spin 1s linear infinite;

}

#loader h2{

    margin-top:30px;

    color:white;

    font-weight:500;

}

@keyframes spin{

    to{

        transform:rotate(360deg);

    }

}

/*================ HEADER ================*/

header{

    position:fixed;

    top:0;

    left:0;

    width:100%;

    z-index:1000;

    background:rgba(10,15,30,.65);

    backdrop-filter:blur(18px);

    border-bottom:1px solid rgba(255,255,255,.05);

}

.navbar{

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:18px 10%;

}

/*================ LOGO ================*/

.logo{

    font-size:1.8rem;

    color:white;

    font-weight:700;

}

.logo span{

    color:var(--primary);

}

/*================ NAVIGATION ================*/

.nav-menu{

    display:flex;

    gap:40px;

}

.nav-menu a{

    color:var(--text);

    font-weight:500;

    position:relative;

    transition:.3s;

}

.nav-menu a:hover{

    color:var(--primary);

}

.nav-menu a::after{

    content:"";

    position:absolute;

    left:0;

    bottom:-8px;

    width:0;

    height:2px;

    background:var(--primary);

    transition:.3s;

}

.nav-menu a:hover::after{

    width:100%;

}
/* Active Navigation Link */

.nav-menu a.active{

    color:var(--primary);

}

.nav-menu a.active::after{

    width:100%;

}

/*================ NAV BUTTONS ================*/

.nav-buttons{

    display:flex;

    align-items:center;

    gap:18px;

}

/*================ THEME BUTTON ================*/

#theme-toggle{

    width:45px;

    height:45px;

    border:none;

    border-radius:50%;

    cursor:pointer;

    color:white;

    background:linear-gradient(135deg,var(--primary),var(--secondary));

    transition:var(--transition);

}

#theme-toggle:hover{

    transform:rotate(180deg);

}

/*================ HAMBURGER ================*/

#hamburger{

    display:none;

    width:45px;

    height:45px;

    border:none;

    background:none;

    cursor:pointer;

}

#hamburger span{

    display:block;

    width:28px;

    height:3px;

    margin:6px auto;

    background:white;

    border-radius:50px;

    transition:.4s;

}

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

.hero{

    min-height:100vh;

    display:grid;

    grid-template-columns:1fr 1fr;

    align-items:center;

    gap:80px;

}

.hero-left h1{

    font-size:4rem;

    line-height:1.2;

}

.hero-left h1 span{

    color:var(--primary);

}

.hero h2{

    margin:20px 0;

    color:var(--accent);

    font-size:2rem;

}

.hero-description{

    color:var(--text-light);

    line-height:1.9;

    margin:25px 0 35px;

}

/*================ BUTTONS ================*/

.hero-buttons{

    display:flex;

    gap:20px;

    flex-wrap:wrap;

}

.btn{

    padding:14px 32px;

    border-radius:50px;

    transition:.35s;

    font-weight:600;

}

.primary{

    background:linear-gradient(135deg,var(--primary),var(--secondary));

    color:white;

    box-shadow:0 10px 25px rgba(0,217,255,.35);

}

.secondary{

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

    color:var(--primary);

}

.btn:hover{

    transform:translateY(-6px);

}

/*================ SOCIAL ================*/

.social-links{

    display:flex;

    gap:18px;

    margin-top:45px;

}

.social-links a{

    width:50px;

    height:50px;

    display:flex;

    justify-content:center;

    align-items:center;

    border-radius:50%;

    background:var(--card);

    backdrop-filter:blur(20px);

    color:var(--primary);

    font-size:1.2rem;

    transition:.35s;

}

.social-links a:hover{

    transform:translateY(-8px);

    background:var(--primary);

    color:white;

}

/*================ PROFILE ================*/

.hero-right{

    display:flex;

    justify-content:center;

}

.profile-container{

    position:relative;

    width:420px;

    height:420px;

}

.profile-ring{

    position:absolute;

    inset:35px;

    border-radius:50%;

    overflow:hidden;

    border:6px solid rgba(255,255,255,.25);

    box-shadow:0 0 45px rgba(0,217,255,.35);

    backdrop-filter:blur(20px);

}

.profile-ring img{

    width:100%;

    height:100%;

    object-fit:cover;

}

/*================ ORBITS ================*/

.orbit{

    position:absolute;

    inset:0;

    border-radius:50%;

    border:2px dashed rgba(0,217,255,.35);

}

.orbit1{

    animation:rotateOne 18s linear infinite;

}

.orbit2{

    inset:20px;

    animation:rotateTwo 12s linear infinite reverse;

}

@keyframes rotateOne{

    from{

        transform:rotate(0deg);

    }

    to{

        transform:rotate(360deg);

    }

}

@keyframes rotateTwo{

    from{

        transform:rotate(360deg);

    }

    to{

        transform:rotate(0deg);

    }

}

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

.profile-container{

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

}

@keyframes float{

    0%,100%{

        transform:translateY(0);

    }

    50%{

        transform:translateY(-20px);

    }

}

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

.about-card{

    background:var(--card);

    backdrop-filter:blur(18px);

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

    border-radius:var(--radius);

    box-shadow:var(--shadow);

}
/*====================================================
  PART 4B
  ABOUT • SKILLS • CERTIFICATIONS • TIMELINE • STATS
=====================================================*/

/*================ ABOUT ================*/

.about-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));

    gap:30px;

}

.about-card{

    padding:40px 30px;

    text-align:center;

    transition:.4s;

}

.about-card:hover{

    transform:translateY(-10px);

    border-color:var(--primary);

}

.about-card i{

    font-size:3rem;

    color:var(--primary);

    margin-bottom:20px;

}

.about-card h3{

    margin-bottom:15px;

    font-size:1.4rem;

}

.about-card p{

    color:var(--text-light);

    line-height:1.8;

}

/*================ SKILLS ================*/

.skills-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));

    gap:35px;

}

.skill-card{

    background:var(--card);

    backdrop-filter:blur(20px);

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

    border-radius:20px;

    padding:35px;

    transition:.4s;

    box-shadow:var(--shadow);

}

.skill-card:hover{

    transform:translateY(-12px);

    border-color:var(--primary);

}

.skill-card i{

    font-size:3rem;

    color:var(--primary);

    margin-bottom:20px;

}

.skill-card h3{

    margin-bottom:20px;

}

.skill-card ul{

    display:flex;

    flex-direction:column;

    gap:12px;

}

.skill-card li{

    color:var(--text-light);

    position:relative;

    padding-left:20px;

}

.skill-card li::before{

    content:"✔";

    position:absolute;

    left:0;

    color:var(--primary);

}

/*================ CERTIFICATIONS ================*/

.cert-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));

    gap:30px;

}

.cert-card{

    background:var(--card);

    backdrop-filter:blur(20px);

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

    border-radius:20px;

    padding:35px;

    text-align:center;

    transition:.4s;

    box-shadow:var(--shadow);

}

.cert-card:hover{

    transform:translateY(-10px);

    border-color:gold;

}

.cert-card i{

    font-size:3rem;

    color:gold;

    margin-bottom:20px;

}

.cert-card h3{

    margin-bottom:15px;

    font-size:1.2rem;

}

.cert-card span{

    display:inline-block;

    margin-bottom:15px;

    padding:6px 18px;

    border-radius:30px;

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

    color:var(--primary);

    font-weight:600;

}

.cert-card p{

    color:var(--text-light);

}

/*================ TIMELINE ================*/

.timeline-container{

    position:relative;

    max-width:900px;

    margin:auto;

    padding-left:40px;

}

.timeline-container::before{

    content:"";

    position:absolute;

    left:15px;

    top:0;

    width:4px;

    height:100%;

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

    border-radius:20px;

}

.timeline-item{

    position:relative;

    margin-bottom:60px;

}

.timeline-dot{

    position:absolute;

    left:-34px;

    top:8px;

    width:20px;

    height:20px;

    border-radius:50%;

    background:var(--primary);

    box-shadow:0 0 15px var(--primary);

}

.timeline-content{

    background:var(--card);

    backdrop-filter:blur(20px);

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

    border-radius:20px;

    padding:30px;

    transition:.4s;

    box-shadow:var(--shadow);

}

.timeline-content:hover{

    transform:translateX(10px);

    border-color:var(--primary);

}

.timeline-content h3{

    margin-bottom:8px;

}

.timeline-content span{

    display:block;

    margin-bottom:15px;

    color:var(--primary);

    font-weight:600;

}

.timeline-content p{

    color:var(--text-light);

    line-height:1.8;

}

/*================ STATS ================*/

.stats{

    background:linear-gradient(135deg,#07111f,#111827);

}

body.light .stats{

    background:#eef3f9;

}

.stats-container{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));

    gap:30px;

}

.stat-box{

    background:var(--card);

    backdrop-filter:blur(20px);

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

    border-radius:20px;

    padding:40px;

    text-align:center;

    transition:.4s;

    box-shadow:var(--shadow);

}

.stat-box:hover{

    transform:translateY(-10px);

    border-color:var(--primary);

}

.counter{

    font-size:3rem;

    color:var(--primary);

    margin-bottom:10px;

    font-weight:700;

}

.stat-box p{

    color:var(--text-light);

    font-size:1.05rem;

}

/*================ SECTION ANIMATION ================*/

.section{

    opacity:0;

    transform:translateY(50px);

    transition:1s ease;

}

.section.show{

    opacity:1;

    transform:translateY(0);

}
/*====================================================
  PART 4C
  PROJECTS • CLOUD DEMO • CONTACT • FOOTER
=====================================================*/

/*================ PROJECTS ================*/

.projects-grid{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(340px,1fr));

    gap:35px;

}

.project-card{

    background:var(--card);

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

    border-radius:20px;

    overflow:hidden;

    backdrop-filter:blur(20px);

    box-shadow:var(--shadow);

    transition:.4s;

}

.project-card:hover{

    transform:translateY(-12px);

    border-color:var(--primary);

}

.project-card img{

    height:220px;

    object-fit:cover;

}

.project-content{

    padding:25px;

}

.project-content h3{

    margin-bottom:15px;

}

.project-content p{

    color:var(--text-light);

    line-height:1.8;

    margin-bottom:20px;

}

.tech-stack{

    display:flex;

    flex-wrap:wrap;

    gap:10px;

    margin-bottom:25px;

}

.tech-stack span{

    background:rgba(0,217,255,.12);

    color:var(--primary);

    padding:8px 16px;

    border-radius:30px;

    font-size:.85rem;

}

.project-buttons{

    display:flex;

    gap:15px;

}

/*================ CLOUD DEMO ================*/

.cloud-demo{

    background:linear-gradient(135deg,#07121f,#101828);

}

body.light .cloud-demo{

    background:#eef4fb;

}

.traffic-panel{

    max-width:800px;

    margin:auto;

    text-align:center;

}

.traffic-panel label{

    display:block;

    margin-bottom:20px;

    font-size:1.2rem;

    font-weight:600;

}

#traffic{

    width:100%;

    margin-bottom:20px;

}

#traffic-value{

    display:inline-block;

    background:var(--primary);

    color:#fff;

    padding:10px 20px;

    border-radius:30px;

    font-weight:600;

}

.architecture{

    margin:70px auto;

    display:flex;

    flex-direction:column;

    align-items:center;

    gap:20px;

}

.cloud-node{

    width:220px;

    padding:25px;

    border-radius:20px;

    text-align:center;

    background:var(--card);

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

    backdrop-filter:blur(15px);

    box-shadow:var(--shadow);

}

.cloud-node i{

    font-size:2.4rem;

    color:var(--primary);

    margin-bottom:10px;

}

.arrow{

    color:var(--primary);

    font-size:2rem;

}

#servers{

    display:flex;

    flex-wrap:wrap;

    justify-content:center;

    gap:25px;

}

.server{

    width:120px;

    height:120px;

    background:var(--card);

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

    border-radius:18px;

    display:flex;

    flex-direction:column;

    justify-content:center;

    align-items:center;

    box-shadow:0 0 25px rgba(0,217,255,.35);

    animation:pulseServer 2s infinite;

}

.server i{

    font-size:2rem;

    color:var(--primary);

    margin-bottom:10px;

}

@keyframes pulseServer{

    0%,100%{

        transform:scale(1);

    }

    50%{

        transform:scale(1.08);

    }

}

.cloud-status{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(180px,1fr));

    gap:25px;

    margin-top:60px;

}

.cloud-status div{

    background:var(--card);

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

    border-radius:20px;

    padding:30px;

    text-align:center;

    backdrop-filter:blur(15px);

}

.cloud-status h4{

    margin-bottom:15px;

    color:var(--primary);

}

.cloud-status span{

    font-size:1.3rem;

    font-weight:600;

}

/*================ CONTACT ================*/

.contact-container{

    display:grid;

    grid-template-columns:1fr 1.2fr;

    gap:60px;

    align-items:start;

}

.contact-info{

    display:flex;

    flex-direction:column;

    gap:25px;

}

.contact-info div{

    display:flex;

    align-items:center;

    gap:20px;

    background:var(--card);

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

    padding:20px;

    border-radius:18px;

}

.contact-info i{

    font-size:1.5rem;

    color:var(--primary);

}

.contact-form{

    display:flex;

    flex-direction:column;

    gap:20px;

}

.contact-form input,

.contact-form textarea{

    background:var(--card);

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

    color:var(--text);

    padding:18px;

    border-radius:15px;

    outline:none;

    font-family:inherit;

}

.contact-form textarea{

    resize:vertical;

    min-height:180px;

}

.contact-form input:focus,

.contact-form textarea:focus{

    border-color:var(--primary);

}

/*================ FOOTER ================*/

footer{

    padding:50px 10%;

    text-align:center;

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

}

.footer-content h2{

    color:var(--primary);

    margin-bottom:10px;

}

.footer-content p{

    color:var(--text-light);

    margin:10px 0;

}

.footer-icons{

    display:flex;

    justify-content:center;

    gap:20px;

    margin:30px 0;

}

.footer-icons a{

    width:50px;

    height:50px;

    display:flex;

    justify-content:center;

    align-items:center;

    border-radius:50%;

    background:var(--card);

    color:var(--primary);

    transition:.35s;

}

.footer-icons a:hover{

    background:var(--primary);

    color:#fff;

    transform:translateY(-6px);

}

/*================ BACK TO TOP ================*/

#topBtn{

    position:fixed;

    right:30px;

    bottom:30px;

    width:55px;

    height:55px;

    border:none;

    border-radius:50%;

    background:linear-gradient(135deg,var(--primary),var(--secondary));

    color:#fff;

    cursor:pointer;

    display:none;

    z-index:999;

    box-shadow:0 10px 25px rgba(0,217,255,.4);

    transition:.35s;

}

#topBtn:hover{

    transform:translateY(-6px);

}

/*================ SCROLL BAR ================*/

#progress-bar{

    position:fixed;

    top:0;

    left:0;

    height:4px;

    width:0;

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

    z-index:9999;

}

/*================ UTILITIES ================*/

.hidden{

    display:none;

}

.text-center{

    text-align:center;

}

.mt-2{

    margin-top:20px;

}

.mt-4{

    margin-top:40px;

}

.mb-2{

    margin-bottom:20px;

}

.mb-4{

    margin-bottom:40px;

}

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

.about-card,
.skill-card,
.cert-card,
.project-card,
.timeline-content,
.stat-box,
.cloud-node,
.contact-info div{

    transition:all .35s ease;

}

.about-card:hover,
.skill-card:hover,
.cert-card:hover,
.project-card:hover,
.timeline-content:hover,
.stat-box:hover,
.cloud-node:hover,
.contact-info div:hover{

    transform:translateY(-8px);

}

/*================ FADE ANIMATION ================*/

.fade-in{

    animation:fadeIn .8s ease forwards;

}

@keyframes fadeIn{

    from{

        opacity:0;

        transform:translateY(25px);

    }

    to{

        opacity:1;

        transform:translateY(0);

    }

}
/*==============================
Typing Cursor
==============================*/

#typing-text::after{

    content:"|";

    color:var(--primary);

    animation:blink .7s infinite;

}

@keyframes blink{

    50%{

        opacity:0;

    }

}
/* Toolbar */

.project-toolbar{

display:flex;

justify-content:space-between;

gap:20px;

margin-bottom:40px;

flex-wrap:wrap;

}

.project-toolbar input,

.project-toolbar select{

padding:15px;

border:none;

border-radius:10px;

background:var(--card);

color:var(--text);

min-width:260px;

}

/* Empty State */

.no-projects{

text-align:center;

padding:60px;

font-size:1.2rem;

color:var(--text-light);

}