/* -------------------------
GLOBAL DESIGN SYSTEM
--------------------------*/

:root{

--navy:#081625;
--deep:#0b1f33;
--accent:#4da3ff;
--accent-glow:rgba(77,163,255,.6);
--light:#f4f7fb;
--glass:rgba(255,255,255,.08);

--max-width:1200px;
--radius:12px;
--transition:0.3s ease;

}

/* Reset */

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

html{
scroll-behavior:smooth;
}

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

/* -------------------------
LAYOUT CONTAINER
--------------------------*/

.container{
width:90%;
max-width:var(--max-width);
margin:auto;
}

/* -------------------------
NAVBAR
--------------------------*/

.navbar{

position:fixed;
top:0;
left:0;
width:100%;

background:rgba(8,22,37,.75);
backdrop-filter:blur(14px);

z-index:1000;
transition:background .3s ease;
}

.nav-container{

display:flex;
align-items:center;
justify-content:space-between;

padding:18px 0;
}

.logo{
height:46px;
}

/* NAV LINKS */

nav a{

color:white;
text-decoration:none;
margin-left:32px;
font-weight:500;

position:relative;
transition:var(--transition);
}

/* cyber underline */

nav a::after{

content:"";
position:absolute;

left:0;
bottom:-6px;

width:0%;
height:2px;

background:var(--accent);

transition:var(--transition);
}

nav a:hover::after{
width:100%;
}

/* CTA */

.nav-cta{

background:var(--accent);
padding:10px 20px;

border-radius:6px;

box-shadow:0 0 10px var(--accent-glow);

}

/* -------------------------
HERO SECTION
--------------------------*/

.hero{

min-height:100vh;

display:flex;
align-items:center;
justify-content:center;

text-align:center;

padding-top:120px;

position:relative;
overflow:hidden;

}

/* HERO CONTENT */

.hero h1{

font-size:clamp(2.5rem,5vw,4rem);
font-weight:800;

margin-bottom:20px;

animation:fadeUp 1.2s ease forwards;
}

.hero p{

opacity:.9;
font-size:1.2rem;

margin-bottom:40px;

animation:fadeUp 1.6s ease forwards;
}

/* BUTTON */

.btn-primary{

background:var(--accent);
color:white;

padding:14px 32px;

border-radius:6px;
text-decoration:none;

font-weight:600;

transition:var(--transition);

box-shadow:0 0 12px var(--accent-glow);
}

.btn-primary:hover{

transform:translateY(-3px);

box-shadow:
0 0 20px var(--accent-glow),
0 0 40px rgba(77,163,255,.4);

}

/* -------------------------
PARALLAX CYBER GRID
--------------------------*/

.cyber-grid{

position:fixed;
top:0;
left:0;

width:100%;
height:100%;

background:
linear-gradient(rgba(77,163,255,.05) 1px,transparent 1px),
linear-gradient(90deg,rgba(77,163,255,.05) 1px,transparent 1px);

background-size:50px 50px;

z-index:-2;

animation:gridMove 40s linear infinite;

will-change:background-position;
}

/* subtle parallax glow */

.cyber-glow{

position:absolute;
width:600px;
height:600px;

background:radial-gradient(circle,var(--accent-glow),transparent);

filter:blur(120px);

opacity:.25;

animation:floatGlow 10s ease-in-out infinite alternate;

}

/* -------------------------
SAAS SECTION LAYOUT
--------------------------*/

.section{

padding:120px 0;
text-align:center;
}

.section-title{

font-size:2.3rem;
margin-bottom:60px;

}

/* -------------------------
SERVICE CARDS
--------------------------*/

.services-grid{

display:grid;

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

gap:30px;
}

/* CARD */

.service-card{

background:var(--deep);

padding:40px;

border-radius:var(--radius);

position:relative;

transition:var(--transition);

}

/* CYBER BORDER */

.service-card::before{

content:"";

position:absolute;

inset:0;
border-radius:var(--radius);

padding:1px;

background:linear-gradient(
120deg,
transparent,
var(--accent),
transparent
);

-webkit-mask:
linear-gradient(#000 0 0) content-box,
linear-gradient(#000 0 0);

mask-composite:exclude;

opacity:0;

transition:.4s;
}

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

.service-card:hover{

transform:translateY(-8px);

box-shadow:0 20px 40px rgba(0,0,0,.5);

}

/* -------------------------
GLASS SECTION
--------------------------*/

.glass{

background:var(--glass);
backdrop-filter:blur(18px);

border-radius:var(--radius);

padding:60px;

}

/* -------------------------
CONTACT FORM
--------------------------*/

.contact-section{

background:
linear-gradient(
135deg,
var(--deep),
var(--navy)
);

padding:120px 0;
}

form{

max-width:600px;
margin:auto;

display:flex;
flex-direction:column;
gap:16px;
}

input,
textarea{

padding:14px;

border-radius:6px;

border:none;

background:#0f2a44;
color:white;

font-size:15px;
}

/* focus state */

input:focus,
textarea:focus{

outline:none;

box-shadow:0 0 8px var(--accent);

}

/* -------------------------
SVG SHIELD ANIMATION
--------------------------*/

.shield svg{

width:120px;

animation:shieldPulse 3s infinite ease-in-out;
}

@keyframes shieldPulse{

0%{
filter:drop-shadow(0 0 5px var(--accent));
}

50%{
filter:drop-shadow(0 0 25px var(--accent));
}

100%{
filter:drop-shadow(0 0 5px var(--accent));
}

}

/* -------------------------
FOOTER
--------------------------*/

footer{

text-align:center;
padding:30px;

background:#050e18;

font-size:.9rem;

}

/* -------------------------
ANIMATIONS
--------------------------*/

@keyframes fadeUp{

0%{
opacity:0;
transform:translateY(30px);
}

100%{
opacity:1;
transform:translateY(0);
}

}

@keyframes gridMove{

0%{
background-position:0 0;
}

100%{
background-position:50px 50px;
}

}

@keyframes floatGlow{

0%{
transform:translate(0,0);
}

100%{
transform:translate(80px,-60px);
}

}

/* -------------------------
RESPONSIVE DESIGN
--------------------------*/

@media(max-width:768px){

.nav-container{
flex-direction:column;
gap:12px;
}

.hero{
padding:140px 20px;
}

.section{
padding:80px 20px;
}

}