/* Explain: Styles for UI components like buttons, cards, and social share buttons. */
/* ---------- Header ---------- */
.site-header {
    position: fixed;
    inset-inline: 0;
    top: 0;
    z-index: 60;
    border-bottom: 1px solid transparent;
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
    background: rgba(6, 10, 18, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom-color: var(--border-color);
    box-shadow: 0 12px 36px -24px rgba(0, 0, 0, 0.9);
}

.brand { display: inline-flex; align-items: center; gap: 0.7rem; }
.brand-mark {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 11px;
    font-size: 1rem;
    color: #04121a;
    background: linear-gradient(140deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 10px 24px -12px rgba(34, 211, 238, 0.85);
}
.brand-name {
    display: block;
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.18rem;
    line-height: 1;
    letter-spacing: 0.06em;
}
.brand-sub {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.nav-link {
    padding: 0.5rem 0.85rem;
    border-radius: 10px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.2s ease, background 0.2s ease;
}
.nav-link:hover { color: var(--text-color); background: rgba(255, 255, 255, 0.05); }
.nav-link.active { color: var(--primary-color); background: var(--primary-soft); }

.menu-btn {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 11px;
    border: 1px solid var(--border-strong);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-color);
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}
.menu-btn:hover { background: rgba(255, 255, 255, 0.09); border-color: var(--primary-color); }

.mobile-menu {
    display: none;
    border-top: 1px solid var(--border-color);
    background: rgba(8, 12, 20, 0.98);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    padding: 0.75rem 1.25rem 1.35rem;
}
.mobile-menu.open { display: block; }
.mobile-menu .nav-link {
    display: block;
    padding: 0.85rem 0.75rem;
    font-size: 1rem;
}

/* ---------- Buttons ---------- */
.btn-primary,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.82rem 1.6rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}
.btn-primary {
    color: #04121a;
    background: linear-gradient(180deg, var(--primary-color), var(--primary-hover));
    box-shadow: 0 12px 32px -14px rgba(34, 211, 238, 0.8);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 42px -14px rgba(34, 211, 238, 0.95);
}
.btn-ghost {
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.035);
    border-color: var(--border-strong);
}
.btn-ghost:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
}
.btn-primary:disabled,
.btn-ghost:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

/* ---------- Badges ---------- */
.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.45rem 0.95rem;
    border-radius: 999px;
    border: 1px solid rgba(34, 211, 238, 0.28);
    background: var(--primary-soft);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--primary-color);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--primary-color);
}

.section-title {
    margin-top: 0.9rem;
    font-size: clamp(1.85rem, 4vw, 2.85rem);
    font-weight: 800;
}
.section-lead {
    margin-top: 1rem;
    max-width: 44rem;
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ---------- Cards ---------- */
.card-surface {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.012));
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.card-surface:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    box-shadow: 0 24px 60px -34px rgba(0, 0, 0, 0.9);
}
.card-surface.is-highlight {
    border-color: rgba(34, 211, 238, 0.4);
    box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.12), var(--shadow-glow);
}

.icon-chip {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    font-size: 1.25rem;
    color: var(--primary-color);
    background: var(--primary-soft);
    border: 1px solid rgba(34, 211, 238, 0.25);
}
.icon-chip.is-accent {
    color: var(--accent-color);
    background: var(--accent-soft);
    border-color: rgba(16, 185, 129, 0.3);
}

.card-title { margin-top: 1.25rem; font-size: 1.22rem; font-weight: 700; }
.card-text { margin-top: 0.65rem; color: var(--text-muted); font-size: 0.96rem; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    overflow: hidden;
    padding-top: 8.5rem;
    padding-bottom: 4rem;
}
.hero-grid-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.07) 1px, transparent 1px);
    background-size: 58px 58px;
    -webkit-mask-image: radial-gradient(ellipse 75% 62% at 50% 0%, #000 28%, transparent 74%);
    mask-image: radial-gradient(ellipse 75% 62% at 50% 0%, #000 28%, transparent 74%);
}
.hero-glow {
    position: absolute;
    top: -180px;
    left: 50%;
    width: 920px;
    height: 620px;
    transform: translateX(-50%);
    pointer-events: none;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.18), transparent 64%);
}
.hero-title {
    margin-top: 1.6rem;
    font-size: clamp(2.35rem, 5.6vw, 4.35rem);
    font-weight: 900;
    line-height: 1.06;
    letter-spacing: -0.02em;
}
.hero-title .accent-text {
    background: linear-gradient(100deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.hero-lead {
    margin-top: 1.4rem;
    margin-inline: auto;
    max-width: 40rem;
    color: var(--text-muted);
    font-size: 1.08rem;
}
.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.85rem;
    margin-top: 2.1rem;
}
.trust-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem 1.75rem;
    margin-top: 2.2rem;
}
.trust-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.trust-item i { color: var(--primary-color); }

/* ---------- Console widget ---------- */
.console {
    position: relative;
    margin-top: 3.5rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(20, 30, 46, 0.9), rgba(9, 14, 24, 0.92));
    box-shadow: var(--shadow-deep), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.console-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.8rem 1.1rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(9, 14, 24, 0.7);
}
.console-dots { display: inline-flex; gap: 0.4rem; }
.console-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(148, 163, 184, 0.32); }
.console-dot.is-red { background: #ff5f57; }
.console-dot.is-amber { background: #febc2e; }
.console-dot.is-green { background: #28c840; }
.console-title {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}
.console-status {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-inline-start: auto;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    color: var(--accent-color);
}
.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-color);
    animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.55); }
    70% { box-shadow: 0 0 0 9px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
.console-body { padding: 1.25rem; }
.stat-tile {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
}
.stat-icon { color: var(--primary-color); font-size: 0.95rem; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); }
.stat-value { font-family: var(--font-mono); font-size: 1.05rem; font-weight: 600; }
.log-feed {
    margin-top: 1.1rem;
    padding: 1rem 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: rgba(3, 6, 12, 0.6);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    line-height: 2;
    overflow-wrap: anywhere;
}
.log-line { display: flex; gap: 0.75rem; }
.log-time { color: var(--text-dim); flex: none; }
.log-msg { color: #b7c4d6; }

/* ---------- Workflow steps ---------- */
.step-item {
    display: flex;
    gap: 1.1rem;
    padding: 1.4rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.025);
    transition: border-color 0.3s ease, transform 0.3s ease;
}
.step-item:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.step-num {
    flex: none;
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 13px;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--primary-color);
    background: var(--primary-soft);
    border: 1px solid rgba(34, 211, 238, 0.25);
}

/* ---------- Comparison ---------- */
.cmp-item {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding-block: 0.55rem;
    font-size: 0.95rem;
}
.cmp-item i { margin-top: 0.28rem; flex: none; }
.cmp-item.is-bad i { color: var(--danger-color); }
.cmp-item.is-good i { color: var(--accent-color); }
.cmp-title-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
}
.cmp-title-badge.is-bad { color: var(--danger-color); background: rgba(248, 113, 113, 0.1); }
.cmp-title-badge.is-good { color: var(--accent-color); background: var(--accent-soft); }

/* ---------- Contact form ---------- */
.field-label {
    display: block;
    margin-bottom: 0.45rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
}
.field-input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, background 0.2s ease;
}
.field-input::placeholder { color: var(--text-dim); }
.field-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(34, 211, 238, 0.06);
}
.form-status {
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.92rem;
    border: 1px solid var(--border-color);
}
.form-status.ok { color: var(--accent-color); background: var(--accent-soft); border-color: rgba(16, 185, 129, 0.35); }
.form-status.err { color: var(--danger-color); background: rgba(248, 113, 113, 0.1); border-color: rgba(248, 113, 113, 0.35); }

/* ---------- Footer ---------- */
.site-footer {
    border-top: 1px solid var(--border-color);
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.02));
}
.footer-link { color: var(--text-muted); font-size: 0.92rem; transition: color 0.2s ease; }
.footer-link:hover { color: var(--primary-color); }

/* ---------- Share buttons ---------- */
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.7rem 1.3rem;
    border-radius: 12px;
    border: 1px solid var(--border-strong);
    background: rgba(255, 255, 255, 0.035);
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.share-btn i { font-size: 1rem; }
.share-btn:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
    background: rgba(34, 211, 238, 0.09);
    color: var(--primary-color);
}
.share-btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ---------- Reveal animation ---------- */
.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .pulse-dot { animation: none; }
    html { scroll-behavior: auto; }
}