/* ═══════════════════════════════════════════════════════
   SoftwareYeah — Shared Styles
   ═══════════════════════════════════════════════════════ */

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

:root {
    --blue: #3b82f6;
    --cyan: #06b6d4;
    --green: #10b981;
    --purple: #8b5cf6;
    --bg: #04050A;
}

html { scroll-behavior: smooth; }

/* ── SKIP-TO-CONTENT (a11y) ── */
.skip-link {
    position: absolute;
    top: -100px;
    left: 12px;
    z-index: 9999;
    padding: 12px 20px;
    background: #3b82f6;
    color: #fff;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    border-radius: 8px;
    transition: top 0.2s ease;
}
.skip-link:focus {
    top: 12px;
    outline: 2px solid #06b6d4;
    outline-offset: 2px;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: #04050A;
    color: #e2e8f0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 { font-family: 'Space Grotesk', sans-serif; }

/* ── GLASS ── */
.glass {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
}
.glass-hover {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}
.glass-hover:hover {
    background: rgba(255,255,255,0.07);
    border-color: rgba(59,130,246,0.3);
    transform: translateY(-4px);
}

/* ── GRADIENT TEXT ── */
.gradient-blue-cyan {
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gradient-purple-blue {
    background: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gradient-cyan-green {
    background: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── NAVBAR ── */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(4,5,10,0.85);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: background 0.3s ease;
}
.navbar.scrolled {
    background: rgba(4,5,10,0.97);
}

/* ── BUTTONS ── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #fff;
    border-radius: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.01em;
    text-decoration: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 27px;
    background: transparent;
    color: #e2e8f0;
    border-radius: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.01em;
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.15);
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
    cursor: pointer;
}
.btn-ghost:hover {
    border-color: rgba(59,130,246,0.5);
    background: rgba(59,130,246,0.07);
    transform: translateY(-1px);
}

/* ── SECTION LABEL ── */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(59,130,246,0.1);
    border: 1px solid rgba(59,130,246,0.25);
    border-radius: 100px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #60a5fa;
}

/* ── SCROLL ANIMATION ── */
.fade-up {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }
.fade-up-delay-5 { transition-delay: 0.5s; }
.fade-up-delay-6 { transition-delay: 0.6s; }

/* ── HAMBURGER ── */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: #e2e8f0; border-radius: 2px; transition: all 0.3s ease; }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
    display: none;
    position: fixed;
    top: 65px; left: 0; right: 0;
    background: rgba(4,5,10,0.98);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 24px;
    z-index: 99;
    flex-direction: column;
    gap: 20px;
}
.mobile-menu.open { display: flex; }

/* ── FOOTER LINK ── */
.footer-link {
    color: rgba(226,232,240,0.5);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}
.footer-link:hover { color: #3b82f6; }

/* ── TECH PILLS ── */
.tech-pill {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 500;
    color: rgba(226,232,240,0.8);
    letter-spacing: 0.01em;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.tech-pill:hover {
    background: rgba(255,255,255,0.07);
    border-color: rgba(59,130,246,0.3);
    color: #f1f5f9;
}

/* ── FAQ ── */
.faq-item { transition: background 0.25s ease, border-color 0.25s ease; }
.faq-item:hover { background: rgba(255,255,255,0.05); border-color: rgba(59,130,246,0.25); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::marker { display: none; content: ""; }
.faq-item[open] summary span { transform: rotate(45deg); color: #8b5cf6; }
.faq-item summary span { transition: transform 0.25s ease, color 0.25s ease; display: inline-block; }

/* ── NOISE OVERLAY ── */
.noise-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.025;
    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)'/%3E%3C/svg%3E");
}

/* ── TAGS ── */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 100px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.tag-blue { background: rgba(59,130,246,0.1); color: #60a5fa; border: 1px solid rgba(59,130,246,0.2); }
.tag-green { background: rgba(16,185,129,0.1); color: #34d399; border: 1px solid rgba(16,185,129,0.2); }
.tag-purple { background: rgba(139,92,246,0.1); color: #a78bfa; border: 1px solid rgba(139,92,246,0.2); }
.tag-cyan { background: rgba(6,182,212,0.1); color: #22d3ee; border: 1px solid rgba(6,182,212,0.2); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .hamburger { display: flex; }
    .nav-links { display: none; }
    .process-connector { display: none; }
}