/*==========================================
DENNIS FELIX PORTFOLIO
Cyber Security Theme
==========================================*/

:root{

--bg:#050816;
--bg2:#0B1120;

--card:rgba(17,24,39,.55);

--primary:#2563EB;
--secondary:#38BDF8;
--accent:#60A5FA;

--text:#F8FAFC;
--muted:#94A3B8;

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

--radius:18px;

--transition:.35s ease;

--shadow:
0 15px 40px rgba(0,0,0,.45);

}

*{

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

}

html{

scroll-behavior:smooth;

}

body{

background:var(--bg);

color:var(--text);

font-family:"Inter",sans-serif;

overflow-x:hidden;

line-height:1.7;

position:relative;

}

body::before{

content:"";

position:fixed;

inset:0;

background:

radial-gradient(circle at 15% 20%,
rgba(37,99,235,.18),
transparent 30%),

radial-gradient(circle at 80% 10%,
rgba(56,189,248,.15),
transparent 30%),

radial-gradient(circle at 50% 80%,
rgba(96,165,250,.12),
transparent 35%);

z-index:-3;

animation:bgmove 18s infinite alternate;

}

@keyframes bgmove{

0%{

transform:scale(1);

}

100%{

transform:scale(1.15);

}

}

/*====================
Grid Background
====================*/

.grid{

position:fixed;

inset:0;

background-image:

linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),

linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);

background-size:40px 40px;

mask-image:radial-gradient(circle,#000 35%,transparent 100%);

pointer-events:none;

z-index:-2;

}

/*====================
Animated Gradient
====================*/

.gradient{

position:fixed;

width:900px;

height:900px;

border-radius:50%;

background:

radial-gradient(circle,

rgba(37,99,235,.45),

transparent 70%);

filter:blur(80px);

left:-200px;

top:-150px;

animation:gradientMove 12s infinite alternate;

z-index:-1;

}

@keyframes gradientMove{

0%{

transform:translate(0,0);

}

100%{

transform:translate(450px,220px);

}

}

/*====================
Cursor Glow
====================*/

.cursor{

position:fixed;

width:25px;

height:25px;

border-radius:50%;

background:rgba(56,189,248,.4);

box-shadow:

0 0 25px rgba(56,189,248,.8),

0 0 80px rgba(37,99,235,.45);

pointer-events:none;

transform:translate(-50%,-50%);

transition:

width .2s,

height .2s,

background .2s;

z-index:9999;

}

/*====================
Header
====================*/

header{

position:fixed;

top:0;

left:0;

width:100%;

padding:22px 8%;

display:flex;

justify-content:space-between;

align-items:center;

background:rgba(5,8,22,.55);

backdrop-filter:blur(18px);

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

z-index:999;

}

.logo{

font-family:"Space Grotesk",sans-serif;

font-size:28px;

font-weight:700;

letter-spacing:2px;

cursor:pointer;

color:var(--secondary);

}

nav{

display:flex;

gap:38px;

}

nav a{

text-decoration:none;

color:var(--text);

font-weight:500;

transition:var(--transition);

position:relative;

}

nav a::after{

content:"";

position:absolute;

left:0;

bottom:-8px;

width:0;

height:2px;

background:var(--secondary);

transition:.3s;

}

nav a:hover{

color:var(--secondary);

}

nav a:hover::after{

width:100%;

}

.menu{

display:none;

font-size:28px;

cursor:pointer;

}

/*====================
Hero
====================*/

.hero{

min-height:100vh;

display:grid;

grid-template-columns:1fr 1fr;

align-items:center;

padding:120px 8%;

gap:70px;

}

.hero-left{

animation:fadeUp 1s ease;

}

.tag{

display:inline-block;

padding:8px 18px;

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

border-radius:50px;

font-size:13px;

letter-spacing:3px;

color:var(--secondary);

margin-bottom:25px;

background:rgba(255,255,255,.04);

}

.hero h1{

font-family:"Space Grotesk",sans-serif;

font-size:76px;

line-height:1.05;

margin-bottom:20px;

}

.hero h2{

font-size:34px;

color:var(--secondary);

margin-bottom:20px;

height:40px;

}

.hero p{

max-width:620px;

font-size:20px;

color:var(--muted);

margin-bottom:40px;

}

/*====================
Buttons
====================*/

.buttons{

display:flex;

gap:20px;

flex-wrap:wrap;

}

.btn{

display:inline-flex;

align-items:center;

justify-content:center;

padding:16px 34px;

background:var(--primary);

color:#fff;

text-decoration:none;

border-radius:12px;

transition:var(--transition);

font-weight:600;

box-shadow:0 10px 30px rgba(37,99,235,.35);

}

.btn:hover{

transform:translateY(-5px);

box-shadow:

0 20px 40px rgba(37,99,235,.55);

}

.btn.outline{

background:transparent;

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

color:var(--secondary);

}

.btn.outline:hover{

background:var(--secondary);

color:#000;

}

/*====================
Stats
====================*/

.stats{

display:flex;

gap:40px;

margin-top:50px;

}

.stats h3{

font-size:34px;

color:var(--secondary);

}

.stats span{

color:var(--muted);

}

/*====================
Glass Card
====================*/

.glass-card{

background:var(--card);

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

border-radius:24px;

padding:60px;

text-align:center;

backdrop-filter:blur(30px);

box-shadow:var(--shadow);

position:relative;

overflow:hidden;

}

.glass-card::before{

content:"";

position:absolute;

width:220px;

height:220px;

background:rgba(37,99,235,.2);

border-radius:50%;

top:-80px;

right:-80px;

filter:blur(50px);

}

.circle{

width:150px;

height:150px;

border-radius:50%;

background:

linear-gradient(135deg,

var(--primary),

var(--secondary));

margin:auto;

margin-bottom:25px;

display:flex;

align-items:center;

justify-content:center;

}

.shield{

font-size:72px;

color:white;

}

.glass-card h3{

margin-bottom:20px;

font-size:28px;

}

.glass-card p{

color:var(--muted);

}

/*====================
Animation
====================*/

@keyframes fadeUp{

from{

opacity:0;

transform:translateY(40px);

}

to{

opacity:1;

transform:none;

}

}

/*==================================================
SECTIONS
==================================================*/

.section{

    padding:120px 8%;
    position:relative;

}

.section h2{

    font-family:"Space Grotesk",sans-serif;

    font-size:52px;

    margin-bottom:20px;

    position:relative;

}

.section h2::after{

    content:"";

    width:90px;
    height:4px;

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

    display:block;

    margin-top:12px;

    border-radius:30px;

}

.section>p{

    max-width:800px;

    color:var(--muted);

    font-size:19px;

    margin-bottom:70px;

}

/*==================================================
CARDS
==================================================*/

.cards{

display:grid;

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

gap:30px;

}

.card{

background:var(--card);

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

border-radius:var(--radius);

padding:35px;

backdrop-filter:blur(18px);

transition:.4s;

position:relative;

overflow:hidden;

cursor:pointer;

}

.card::before{

content:"";

position:absolute;

left:-120px;
top:-120px;

width:240px;
height:240px;

border-radius:50%;

background:

rgba(56,189,248,.10);

transition:.6s;

}

.card:hover::before{

left:-40px;

top:-40px;

}

.card:hover{

transform:

translateY(-12px);

border-color:

rgba(56,189,248,.45);

box-shadow:

0 25px 50px rgba(0,0,0,.45);

}

.card i{

font-size:42px;

color:var(--secondary);

margin-bottom:20px;

}

.card h3{

font-size:24px;

margin-bottom:15px;

}

.card p{

color:var(--muted);

}

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

.projects{

display:grid;

grid-template-columns:

repeat(auto-fit,minmax(320px,1fr));

gap:35px;

}

.project{

background:var(--card);

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

border-radius:20px;

overflow:hidden;

transition:.35s;

backdrop-filter:blur(18px);

}

.project-image{

height:220px;

background:

linear-gradient(

135deg,

#0f172a,

#1d4ed8);

display:flex;

align-items:center;

justify-content:center;

font-size:70px;

color:white;

}

.project-content{

padding:30px;

}

.project h3{

font-size:26px;

margin-bottom:15px;

}

.project p{

color:var(--muted);

margin-bottom:25px;

}

.tech{

display:flex;

gap:10px;

flex-wrap:wrap;

margin-bottom:25px;

}

.tech span{

padding:7px 14px;

border-radius:50px;

background:

rgba(37,99,235,.18);

color:var(--secondary);

font-size:13px;

}

.project:hover{

transform:

translateY(-10px);

box-shadow:

0 25px 50px rgba(0,0,0,.5);

}

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

.timeline{

position:relative;

padding-left:40px;

}

.timeline::before{

content:"";

position:absolute;

left:8px;

top:0;

width:3px;

height:100%;

background:

linear-gradient(

var(--primary),

var(--secondary));

}

.timeline-item{

position:relative;

margin-bottom:60px;

}

.timeline-item::before{

content:"";

position:absolute;

left:-42px;

top:6px;

width:18px;

height:18px;

border-radius:50%;

background:var(--secondary);

box-shadow:

0 0 25px rgba(56,189,248,.8);

}

.timeline-item h3{

margin-bottom:10px;

}

.timeline-item span{

display:block;

margin-bottom:10px;

color:var(--secondary);

font-size:15px;

}

.timeline-item p{

color:var(--muted);

}

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

.cert-grid{

display:grid;

grid-template-columns:

repeat(auto-fit,minmax(220px,1fr));

gap:25px;

}

.cert{

background:var(--card);

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

padding:35px;

border-radius:18px;

text-align:center;

transition:.35s;

}

.cert:hover{

transform:translateY(-10px);

}

.cert i{

font-size:46px;

margin-bottom:18px;

color:gold;

}

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

.contact{

display:grid;

grid-template-columns:

1fr 1fr;

gap:60px;

}

.contact-info h3{

margin-bottom:20px;

}

.contact-info p{

color:var(--muted);

margin-bottom:18px;

}

.contact-form{

display:flex;

flex-direction:column;

gap:20px;

}

.contact-form input,

.contact-form textarea{

background:#0b1120;

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

padding:18px;

border-radius:12px;

color:white;

font-size:16px;

resize:none;

outline:none;

transition:.3s;

}

.contact-form input:focus,

.contact-form textarea:focus{

border-color:var(--secondary);

box-shadow:

0 0 20px rgba(56,189,248,.25);

}

.contact-form button{

border:none;

cursor:pointer;

}

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

footer{

padding:40px 8%;

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

display:flex;

justify-content:space-between;

align-items:center;

flex-wrap:wrap;

gap:20px;

}

.social{

display:flex;

gap:18px;

}

.social a{

width:46px;

height:46px;

border-radius:50%;

display:flex;

align-items:center;

justify-content:center;

background:var(--card);

color:white;

text-decoration:none;

transition:.3s;

}

.social a:hover{

background:var(--primary);

transform:translateY(-5px);

}

/*==================================================
SCROLL REVEAL
==================================================*/

.reveal{

opacity:0;

transform:translateY(60px);

transition:

1s ease;

}

.reveal.active{

opacity:1;

transform:none;

}

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

@keyframes float{

0%{

transform:translateY(0px);

}

50%{

transform:translateY(-12px);

}

100%{

transform:translateY(0px);

}

}

.glass-card{

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

}

/*==================================================
BUTTON GLOW
==================================================*/

.btn{

position:relative;

overflow:hidden;

}

.btn::before{

content:"";

position:absolute;

left:-120%;

top:0;

width:60%;

height:100%;

background:

linear-gradient(

90deg,

transparent,

rgba(255,255,255,.35),

transparent);

transform:skewX(-25deg);

transition:.7s;

}

.btn:hover::before{

left:140%;

}
/*==========================================
RESPONSIVE DESIGN
==========================================*/

@media (max-width:1100px){

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

.hero-left{
order:2;
}

.hero-right{
order:1;
margin-bottom:50px;
}

.hero p{
margin:auto;
margin-bottom:40px;
}

.buttons,
.stats{
justify-content:center;
}

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

}

@media (max-width:900px){

nav{
display:none;
}

.menu{
display:block;
}

.hero h1{
font-size:58px;
}

.hero h2{
font-size:28px;
}

.section h2{
font-size:42px;
}

}

@media (max-width:768px){

header{
padding:20px;
}

.section{
padding:90px 20px;
}

.hero{
padding:120px 20px 60px;
}

.hero h1{
font-size:48px;
}

.hero p{
font-size:18px;
}

.stats{
flex-direction:column;
gap:25px;
}

.cards,
.projects,
.cert-grid{
grid-template-columns:1fr;
}

.glass-card{
padding:35px;
}

footer{
flex-direction:column;
text-align:center;
}

}

@media (max-width:480px){

.hero h1{
font-size:38px;
}

.hero h2{
font-size:22px;
}

.tag{
font-size:11px;
letter-spacing:2px;
}

.btn{
width:100%;
}

.buttons{
flex-direction:column;
}

.section h2{
font-size:34px;
}

}

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

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

::-webkit-scrollbar-track{
background:#050816;
}

::-webkit-scrollbar-thumb{
background:#2563EB;
border-radius:20px;
}

::-webkit-scrollbar-thumb:hover{
background:#38BDF8;
}

/*==========================================
SELECTION
==========================================*/

::selection{
background:#2563EB;
color:white;
}

/*==========================================
SMOOTH IMAGE HOVER
==========================================*/

img{
max-width:100%;
display:block;
transition:.4s;
}

.project:hover img{
transform:scale(1.08);
}

/*==========================================
LINK ANIMATION
==========================================*/

a{
transition:.3s;
}

/*==========================================
INPUT PLACEHOLDER
==========================================*/

input::placeholder,
textarea::placeholder{
color:#94A3B8;
}

/*==========================================
FADE IN
==========================================*/

.fade{
animation:fadeUp .8s ease both;
}

/*==========================================
PULSE
==========================================*/

@keyframes pulse{

0%{
box-shadow:0 0 0 0 rgba(37,99,235,.6);
}

70%{
box-shadow:0 0 0 20px rgba(37,99,235,0);
}

100%{
box-shadow:0 0 0 0 rgba(37,99,235,0);
}

}

.btn.primary,
.btn:first-child{

animation:pulse 3s infinite;

}

/*==========================================
SPIN
==========================================*/

@keyframes spin{

from{
transform:rotate(0deg);
}

to{
transform:rotate(360deg);
}

}

.circle{

animation:spin 30s linear infinite;

}

/*==========================================
FLOAT ICONS
==========================================*/

.card i{

transition:.4s;

}

.card:hover i{

transform:
translateY(-6px)
scale(1.15);

}

/*==========================================
SECTION DIVIDER
==========================================*/

.section::after{

content:"";

display:block;

width:100%;

height:1px;

margin-top:120px;

background:

linear-gradient(
90deg,
transparent,
rgba(255,255,255,.08),
transparent);

}

/*==========================================
LOADING OVERLAY
==========================================*/

.loader{

position:fixed;

inset:0;

background:#050816;

display:flex;

justify-content:center;

align-items:center;

z-index:99999;

transition:1s;

}

.loader.hidden{

opacity:0;

visibility:hidden;

}

.loader::before{

content:"";

width:70px;

height:70px;

border-radius:50%;

border:4px solid rgba(255,255,255,.15);

border-top-color:#38BDF8;

animation:spin 1s linear infinite;

}

/*==========================================
NETWORK BACKGROUND
==========================================*/

.network{

position:fixed;

inset:0;

pointer-events:none;

opacity:.08;

background-image:

radial-gradient(circle,#38BDF8 1px,transparent 1px);

background-size:60px 60px;

animation:networkMove 20s linear infinite;

z-index:-1;

}

@keyframes networkMove{

from{

transform:translateY(0);

}

to{

transform:translateY(60px);

}

}

/*==========================================
UTILITY CLASSES
==========================================*/

.text-center{
text-align:center;
}

.mt-1{
margin-top:10px;
}

.mt-2{
margin-top:20px;
}

.mt-3{
margin-top:40px;
}

.mb-1{
margin-bottom:10px;
}

.mb-2{
margin-bottom:20px;
}

.mb-3{
margin-bottom:40px;
}

.hidden{
display:none;
}

.w-100{
width:100%;
}