/* ═══════════════════════════════════════════════════════
   SHARED.CSS — Sites Solutions Design System
   Colors: #278EF5 blue · #27EEF5 cyan · #000 · #FFF
═══════════════════════════════════════════════════════ */

:root {
    --blue: #278EF5;
    --cyan: #27EEF5;
    --white: #FFFFFF;
    --black: #000000;
    --blue-dim: rgba(39,142,245,0.12);
    --cyan-dim: rgba(39,238,245,0.10);
    --blue-glow: rgba(39,142,245,0.4);
    --cyan-glow: rgba(39,238,245,0.4);
    --surface: #080c14;
    --surface-2: #0c1220;
    --border: rgba(39,142,245,0.15);
    --text-muted: rgba(255,255,255,0.52);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:90px; }

body {
    background: var(--black);
    color: var(--white);
    font-family: 'DM Sans', sans-serif;
    overflow-x: hidden;
    cursor: none;
    line-height: 1.6;
}

/* ═══ NOISE OVERLAY */
body::before {
    content:'';
    position:fixed; inset:0;
    background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events:none; z-index:9999; opacity:0.3;
}

/* ═══ CURSOR */
#cursor {
    position:fixed; width:12px; height:12px; background:var(--cyan);
    border-radius:50%; pointer-events:none; z-index:99999;
    transform:translate(-50%,-50%);
    transition:width 0.2s,height 0.2s;
    mix-blend-mode:difference;
}
#cursor-ring {
    position:fixed; width:40px; height:40px;
    border:1.5px solid rgba(39,238,245,0.5); border-radius:50%;
    pointer-events:none; z-index:99998;
    transform:translate(-50%,-50%);
    transition:all 0.12s ease-out;
}

/* ═══ CANVAS */
#bg-canvas { position:fixed; inset:0; z-index:0; pointer-events:none; }

/* ═══ LAYOUT */
.container { max-width:1320px; margin:0 auto; padding:0 2.5rem; position:relative; z-index:2; }
section { position:relative; z-index:2; }

/* ═══ HEADER */
header {
    position:fixed; top:0; left:0; width:100%; z-index:1000;
    padding:1.4rem 5%;
    display:flex; align-items:center; justify-content:space-between;
    background:rgba(0,0,0,0.55); backdrop-filter:blur(24px) saturate(180%);
    border-bottom:1px solid var(--border);
    transition:all 0.4s ease;
}
header.scrolled { background:rgba(0,0,0,0.88); padding:1rem 5%; }

.logo { display:flex; align-items:center; text-decoration:none; gap:0.75rem; }
.logo-img { height:44px; width:auto; transition:opacity 0.3s; }
.logo:hover .logo-img { opacity:0.8; }
.logo-wordmark {
    font-family:'Syne',sans-serif; font-weight:800; font-size:1.3rem;
    background:linear-gradient(90deg,var(--blue),var(--cyan));
    -webkit-background-clip:text; -webkit-text-fill-color:transparent;
    letter-spacing:-0.02em;
}

nav { display:flex; align-items:center; gap:2.5rem; }
nav a {
    font-family:'Syne',sans-serif; font-size:0.88rem; font-weight:600;
    letter-spacing:0.06em; text-transform:uppercase;
    color:rgba(255,255,255,0.65); text-decoration:none;
    transition:color 0.3s; position:relative;
}
nav a::after {
    content:''; position:absolute; bottom:-4px; left:0;
    width:0; height:1px;
    background:linear-gradient(90deg,var(--blue),var(--cyan));
    transition:width 0.3s ease;
}
nav a:hover { color:var(--white); }
nav a:hover::after { width:100%; }
nav a.nav-active { color:var(--white); }
nav a.nav-active::after { width:100%; }

.nav-cta {
    font-family:'Syne',sans-serif !important;
    font-size:0.82rem !important; font-weight:700 !important;
    letter-spacing:0.08em; text-transform:uppercase;
    color:var(--black) !important;
    background:linear-gradient(90deg,var(--blue),var(--cyan));
    padding:0.6rem 1.5rem; border-radius:2px; text-decoration:none;
    transition:all 0.3s ease; box-shadow:0 0 20px var(--blue-glow);
}
.nav-cta::after { display:none !important; }
.nav-cta:hover { box-shadow:0 0 35px var(--cyan-glow); transform:translateY(-1px); color:var(--black) !important; }

.menu-toggle {
    display:none; flex-direction:column; gap:5px;
    background:none; border:none; cursor:none; padding:4px;
}
.menu-toggle span { display:block; width:24px; height:2px; background:var(--white); transition:all 0.3s; transform-origin:center; }

/* ═══ BUTTONS */
.btn-primary {
    font-family:'Syne',sans-serif; font-size:0.85rem; font-weight:700;
    letter-spacing:0.1em; text-transform:uppercase; text-decoration:none;
    color:var(--black); background:linear-gradient(90deg,var(--blue),var(--cyan));
    padding:1rem 2.2rem; border-radius:2px; transition:all 0.3s;
    box-shadow:0 0 25px var(--blue-glow); position:relative; overflow:hidden;
    display:inline-flex; align-items:center; justify-content:center;
    border:none; cursor:none;
}
.btn-primary::after { content:''; position:absolute; inset:0; background:linear-gradient(90deg,var(--cyan),var(--blue)); opacity:0; transition:opacity 0.3s; }
.btn-primary:hover { box-shadow:0 0 50px var(--cyan-glow); transform:translateY(-2px); }
.btn-primary:hover::after { opacity:1; }
.btn-primary span { position:relative; z-index:1; }

.btn-ghost {
    font-family:'Syne',sans-serif; font-size:0.85rem; font-weight:700;
    letter-spacing:0.1em; text-transform:uppercase; text-decoration:none;
    color:var(--cyan); border:1px solid rgba(39,238,245,0.4);
    padding:1rem 2.2rem; border-radius:2px; transition:all 0.3s;
    background:transparent; cursor:none;
    display:inline-flex; align-items:center; justify-content:center;
}
.btn-ghost:hover { background:rgba(39,238,245,0.08); border-color:var(--cyan); box-shadow:0 0 25px rgba(39,238,245,0.15); }

/* ═══ SECTION COMMONS */
.section-tag {
    font-family:'Space Mono',monospace; font-size:0.7rem; letter-spacing:0.18em;
    text-transform:uppercase; color:var(--blue); margin-bottom:1rem;
    display:flex; align-items:center; gap:0.75rem;
}
.section-tag::before { content:''; width:30px; height:1px; background:var(--blue); }

.section-title {
    font-family:'Syne',sans-serif; font-size:clamp(2.2rem,4vw,3.8rem);
    font-weight:800; letter-spacing:-0.03em; line-height:1.05; margin-bottom:1.5rem;
}
.section-title .accent {
    background:linear-gradient(90deg,var(--blue),var(--cyan));
    -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}

.section-sub { font-size:1.05rem; font-weight:300; color:var(--text-muted); max-width:600px; line-height:1.75; }

/* ═══ SCROLL REVEAL */
.reveal { opacity:0; transform:translateY(28px); transition:opacity 0.75s cubic-bezier(0.16,1,0.3,1),transform 0.75s cubic-bezier(0.16,1,0.3,1); }
.reveal.visible { opacity:1; transform:translateY(0); }
.reveal-delay-1 { transition-delay:0.12s; }
.reveal-delay-2 { transition-delay:0.24s; }
.reveal-delay-3 { transition-delay:0.36s; }

/* ═══ FOOTER */
footer { padding:5rem 0 3rem; border-top:1px solid var(--border); position:relative; z-index:2; background:var(--black); }
.footer-top {
    display:flex; justify-content:space-between; align-items:flex-start; gap:3rem;
    margin-bottom:3rem; padding-bottom:3rem; border-bottom:1px solid var(--border); flex-wrap:wrap;
}
.footer-logo-text {
    font-family:'Syne',sans-serif; font-size:1.6rem; font-weight:800;
    background:linear-gradient(90deg,var(--blue),var(--cyan));
    -webkit-background-clip:text; -webkit-text-fill-color:transparent;
    letter-spacing:-0.02em; margin-bottom:0.5rem;
}
.footer-tagline { font-size:0.85rem; color:var(--text-muted); max-width:280px; line-height:1.6; }
.footer-nav-links { display:flex; flex-direction:column; gap:0.75rem; }
.footer-nav-links a {
    font-family:'Space Mono',monospace; font-size:0.72rem; letter-spacing:0.1em;
    text-transform:uppercase; color:var(--text-muted); text-decoration:none; transition:color 0.3s;
}
.footer-nav-links a:hover { color:var(--blue); }
.social-row { display:flex; gap:0.75rem; flex-wrap:wrap; }
.social-btn {
    width:40px; height:40px; background:var(--surface); border:1px solid var(--border);
    border-radius:2px; display:flex; align-items:center; justify-content:center;
    color:var(--text-muted); font-size:0.9rem; text-decoration:none; transition:all 0.3s;
}
.social-btn:hover { background:var(--blue-dim); border-color:rgba(39,142,245,0.5); color:var(--blue); }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:1rem; }
.footer-copy { font-family:'Space Mono',monospace; font-size:0.68rem; letter-spacing:0.08em; color:var(--text-muted); }

/* ═══ RESPONSIVE */
@media(max-width:992px) {
    .footer-top { gap:2.5rem; }
    .footer-bottom { flex-direction:column; text-align:center; gap:0.5rem; }
}
@media(max-width:768px) {
    nav {
        display:none; position:fixed; top:0; right:0; width:75%; height:100vh;
        background:rgba(0,0,0,0.97); backdrop-filter:blur(20px);
        flex-direction:column; justify-content:center; align-items:flex-start;
        gap:2rem; z-index:999; border-left:1px solid var(--border); padding:3rem 2.5rem;
    }
    nav.open { display:flex; }
    .menu-toggle { display:flex; z-index:1001; }
    .container { padding:0 1.5rem; }
}