/* ============================================================
   GenesisWeb Shared Components
   ------------------------------------------------------------
   Reset, base elements, and components that appear on every
   page: nav, mobile-nav, particles, grid-bg, buttons,
   glass-card, footer, focus rings, reduced-motion, icons.

   Page-specific layout stays in each page's <style> block.
   ============================================================ */

/* --- Reset --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Skip to content --- */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 1rem;
    padding: 0.75rem 1.25rem;
    background: var(--text-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    z-index: var(--z-skip);
}
.skip-link:focus { left: 1rem; }

/* --- Screen-reader-only utility --- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --- Animated background (slower + dimmer for restraint) --- */
.grid-bg {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(0, 200, 150, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 30%, rgba(0, 180, 216, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 80%, rgba(0, 119, 182, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 90%, rgba(0, 200, 150, 0.04) 0%, transparent 40%);
    pointer-events: none; z-index: var(--z-bg);
    animation: gradientShift 60s ease-in-out infinite alternate;
    opacity: 0.55;
}
@keyframes gradientShift {
    0% {
        background:
            radial-gradient(ellipse at 20% 20%, rgba(0, 200, 150, 0.15) 0%, transparent 50%),
            radial-gradient(ellipse at 80% 30%, rgba(0, 180, 216, 0.12) 0%, transparent 50%),
            radial-gradient(ellipse at 40% 80%, rgba(0, 119, 182, 0.1) 0%, transparent 50%),
            radial-gradient(ellipse at 90% 90%, rgba(0, 200, 150, 0.08) 0%, transparent 40%);
    }
    100% {
        background:
            radial-gradient(ellipse at 30% 30%, rgba(0, 180, 216, 0.15) 0%, transparent 50%),
            radial-gradient(ellipse at 70% 20%, rgba(0, 200, 150, 0.12) 0%, transparent 50%),
            radial-gradient(ellipse at 50% 70%, rgba(0, 119, 182, 0.12) 0%, transparent 50%),
            radial-gradient(ellipse at 10% 80%, rgba(0, 180, 216, 0.08) 0%, transparent 40%);
    }
}
.grid-bg::before {
    content: ''; position: absolute; inset: 0;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 30%),
        linear-gradient(0deg, rgba(255,255,255,0.6) 0%, rgba(255,255,255,0) 20%);
}

/* --- Particles: removed for restraint. Markup kept for backward compatibility. --- */
.particles, .particle { display: none; }

/* --- Navigation --- */
nav {
    position: fixed; top: 1rem; left: 50%; transform: translateX(-50%);
    z-index: var(--z-nav); padding: 1rem 2rem;
    display: flex; justify-content: center; align-items: center;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-pill);
    box-shadow: 0 8px 32px rgba(0, 100, 150, 0.08), inset 0 1px 0 rgba(255,255,255,0.8);
    width: auto; max-width: 90%; gap: 2rem;
}
.logo { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.logo-mark {
    height: 36px;
    width: auto;
    aspect-ratio: 800 / 703;
    display: block;
    flex-shrink: 0;
    object-fit: contain;
}
.logo-text {
    font-size: 1.05rem; font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.01em;
    white-space: nowrap;
}
@media (max-width: 520px) {
    .logo-text { display: none; }
}
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a {
    color: var(--text-secondary); text-decoration: none; font-weight: 500;
    font-size: 0.9rem; transition: color var(--dur-base) ease;
    position: relative; white-space: nowrap;
    padding: 0.75rem 0;
}
.nav-links a::after {
    content: ''; position: absolute; bottom: 0.5rem; left: 0;
    width: 0; height: 2px; background: var(--gradient-main);
    transition: width var(--dur-base) ease; border-radius: 2px;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta {
    padding: 0.6rem 1.5rem; background: var(--gradient-cta); border: none;
    border-radius: var(--radius-pill); color: white; font-weight: 600;
    font-size: 0.9rem; cursor: pointer;
    transition: transform var(--dur-base) ease, box-shadow var(--dur-base) ease;
    text-decoration: none; box-shadow: 0 4px 15px rgba(14, 111, 191, 0.3);
    white-space: nowrap;
    flex-shrink: 0;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(14, 111, 191, 0.4); }

.mobile-menu-btn {
    display: none; background: none; border: none; cursor: pointer;
    padding: 8px; flex-direction: column; gap: 5px;
    min-width: 44px; min-height: 44px;
    align-items: center; justify-content: center;
}
.mobile-menu-btn span {
    display: block; width: 22px; height: 2px;
    background: var(--text-primary); border-radius: 2px;
    transition: all var(--dur-base) ease;
}

.mobile-nav {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(248, 254, 253, 0.97);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    z-index: var(--z-modal);
    flex-direction: column; align-items: center; justify-content: center; gap: 2rem;
}
.mobile-nav.active { display: flex; }
.mobile-nav a {
    font-size: 1.5rem; font-weight: 600; color: var(--text-primary);
    text-decoration: none; transition: color var(--dur-base) ease;
    padding: 0.5rem 1rem;
}
.mobile-nav a:hover { color: var(--accent-teal-text); }

/* --- Sections + section utilities --- */
section { position: relative; z-index: var(--z-content); }
main { position: relative; z-index: var(--z-content); }
.section-inner { max-width: 1200px; margin: 0 auto; padding: 6rem 2rem; }
.section-label {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--accent-teal-text);
    margin-bottom: 1rem;
}
.section-label::before {
    content: ''; width: 20px; height: 1px; background: var(--accent-teal-text);
}
.section-title {
    font-size: clamp(2rem, 4vw, 3rem); font-weight: 800;
    line-height: 1.2; margin-bottom: 1.5rem;
}
.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.4rem 1.2rem; border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.6); backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 122, 120, 0.3);
    font-size: 0.8rem; font-weight: 700; color: var(--accent-teal-text);
    letter-spacing: 0.05em; text-transform: uppercase;
    margin-bottom: 1.5rem;
    animation: fadeUp 0.8s ease-out both;
}
.hero-eyebrow::before { content: '✦'; font-size: 0.6rem; }

/* --- Glass card --- */
.glass-card {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transition: transform var(--dur-base) ease, box-shadow var(--dur-base) ease;
}
.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

/* --- Buttons --- */
.btn-primary {
    padding: 0.85rem 2rem; background: var(--gradient-cta);
    border-radius: var(--radius-pill); color: white;
    font-weight: 600; font-size: 0.95rem; text-decoration: none;
    box-shadow: var(--shadow-cta);
    transition: transform var(--dur-base) ease, box-shadow var(--dur-base) ease;
    display: inline-flex; align-items: center; gap: 0.5rem;
    border: none; cursor: pointer; font-family: inherit;
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-cta-hover);
}
.btn-secondary {
    padding: 0.85rem 2rem; background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 122, 120, 0.4);
    border-radius: var(--radius-pill); color: var(--text-primary);
    font-weight: 600; font-size: 0.95rem; text-decoration: none;
    transition: background var(--dur-base) ease, transform var(--dur-base) ease;
    display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.9); transform: translateY(-3px); }

/* --- Reveal animations --- */
.reveal {
    opacity: 0; transform: translateY(30px);
    transition: opacity var(--dur-slow) ease, transform var(--dur-slow) ease;
}
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Footer --- */
footer {
    position: relative; z-index: var(--z-content);
    padding: 2.5rem 2rem;
    border-top: 1px solid rgba(0, 194, 184, 0.15);
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 1rem;
}
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a {
    color: var(--text-secondary); text-decoration: none;
    font-size: 0.875rem; transition: color var(--dur-base) ease;
}
.footer-links a:hover { color: var(--accent-teal-text); }
.footer-copy { font-size: 0.8rem; color: var(--text-secondary); }

/* --- Focus rings --- */
a:focus-visible, button:focus-visible, summary:focus-visible {
    outline: 2px solid var(--accent-teal-text);
    outline-offset: 3px;
    border-radius: 6px;
}
.btn-primary:focus-visible, .btn-secondary:focus-visible, .nav-cta:focus-visible {
    outline-offset: 4px;
}

/* --- Icon system --- */
.icon { width: 24px; height: 24px; flex-shrink: 0; }
.icon-sm { width: 18px; height: 18px; }
.icon-lg { width: 32px; height: 32px; }

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .particles, .grid-bg::before, .scroll-line, .badge-dot, .response-dot { display: none; }
    .reveal { opacity: 1; transform: none; }
}

/* --- Mobile breakpoints for shared components --- */
@media (max-width: 768px) {
    nav { padding: 0.75rem 1.25rem; gap: 1rem; }
    .nav-links, .nav-cta { display: none; }
    .mobile-menu-btn { display: flex; }
    footer { flex-direction: column; text-align: center; }
    .footer-links { justify-content: center; }
}