/* ============================================================
   ByteCurate — Infographic Component System v1
   Premium HTML/CSS infographics (Stripe/Linear quality)
   Replaces Mermaid.js diagrams completely.
   ============================================================ */

/* ============================================================
   0. SHARED TOKENS & BASE
   ============================================================ */
:root {
    /* Infographic palette */
    --ig-indigo: #6366f1;
    --ig-indigo-dark: #4f46e5;
    --ig-indigo-light: #a5b4fc;
    --ig-indigo-bg: #eef2ff;
    --ig-indigo-bg-subtle: #f5f7ff;

    --ig-emerald: #10b981;
    --ig-emerald-dark: #059669;
    --ig-emerald-light: #6ee7b7;
    --ig-emerald-bg: #ecfdf5;

    --ig-rose: #f43f5e;
    --ig-rose-dark: #e11d48;
    --ig-rose-light: #fda4af;
    --ig-rose-bg: #fff1f2;

    --ig-amber: #f59e0b;
    --ig-amber-dark: #d97706;
    --ig-amber-light: #fcd34d;
    --ig-amber-bg: #fffbeb;

    --ig-cyan: #06b6d4;
    --ig-cyan-dark: #0891b2;
    --ig-cyan-light: #67e8f9;
    --ig-cyan-bg: #ecfeff;

    --ig-violet: #8b5cf6;
    --ig-violet-dark: #7c3aed;
    --ig-violet-light: #c4b5fd;
    --ig-violet-bg: #f5f3ff;

    --ig-slate: #64748b;
    --ig-slate-light: #94a3b8;
    --ig-slate-bg: #f8fafc;

    /* Shared */
    --ig-radius: 16px;
    --ig-radius-sm: 12px;
    --ig-radius-xs: 8px;
    --ig-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --ig-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --ig-shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --ig-shadow-glow: 0 0 0 1px rgba(99,102,241,0.1), 0 4px 16px rgba(99,102,241,0.08);
    --ig-transition: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   0b. SHARED INFOGRAPHIC CONTAINER
   ============================================================ */
.ig {
    position: relative;
    margin: 48px 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
    /* Fade-in on scroll */
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ig-transition), transform 0.7s var(--ig-transition);
}

.ig.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* No-JS fallback */
.no-js .ig {
    opacity: 1;
    transform: none;
}

/* Shared label pill */
.ig-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 5px 12px;
    border-radius: 9999px;
    margin-bottom: 16px;
    width: fit-content;
}

.ig-label svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

/* Shared title */
.ig-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.3;
    margin: 0 0 24px 0;
}

/* Shared caption */
.ig-caption {
    margin-top: 16px;
    font-size: 0.8125rem;
    color: #94a3b8;
    text-align: center;
    font-style: italic;
}


/* ============================================================
   1. FLOW / PROCESS
   Linear steps connected by lines.
   Usage: "How SSL works", "How DNS resolves"
   Color: Indigo gradient
   ============================================================ */
.ig-flow {
    background: linear-gradient(145deg, #fafbff 0%, #eef0ff 50%, #f5f3ff 100%);
    border: 1.5px solid rgba(99,102,241,0.12);
    border-radius: var(--ig-radius);
    padding: 40px 32px 32px;
    box-shadow: var(--ig-shadow-glow);
    overflow: hidden;
}

.ig-flow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 24px;
    right: 24px;
    height: 3px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6, #06b6d4);
    border-radius: 0 0 3px 3px;
}

.ig-flow .ig-label {
    color: var(--ig-indigo);
    background: rgba(99,102,241,0.08);
}

/* --- Horizontal flow --- */
.ig-flow-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    position: relative;
    counter-reset: flow-step;
}

.ig-flow-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 0 12px;
    counter-increment: flow-step;
}

/* Step number circle */
.ig-flow-step-num {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #818cf8, #4f46e5);
    color: #fff;
    font-size: 1.4rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    box-shadow: 0 6px 20px rgba(99,102,241,0.35);
    transition: transform 0.3s var(--ig-transition), box-shadow 0.3s var(--ig-transition);
}

.ig-flow-step:hover .ig-flow-step-num {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(99,102,241,0.4);
}

/* Icon variant (instead of number) */
.ig-flow-step-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #818cf8, #4f46e5);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    box-shadow: 0 6px 20px rgba(99,102,241,0.35);
    transition: transform 0.3s var(--ig-transition), box-shadow 0.3s var(--ig-transition);
}

.ig-flow-step-icon svg {
    width: 28px;
    height: 28px;
}

.ig-flow-step:hover .ig-flow-step-icon {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(99,102,241,0.4);
}

/* Connector line between steps */
.ig-flow-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 30px;
    left: calc(50% + 38px);
    right: calc(-50% + 38px);
    height: 3px;
    background: linear-gradient(90deg, var(--ig-indigo-light), var(--ig-indigo));
    border-radius: 2px;
    z-index: 1;
}

/* Animated dash on connector */
.ig.is-visible .ig-flow-step:not(:last-child)::after {
    background: linear-gradient(90deg, var(--ig-indigo-light), var(--ig-indigo));
    animation: ig-dash-flow 1.5s var(--ig-transition) forwards;
    animation-delay: calc(var(--step, 0) * 0.15s);
}

@keyframes ig-dash-flow {
    from { clip-path: inset(0 100% 0 0); }
    to   { clip-path: inset(0 0 0 0); }
}

/* Chevron arrow overlay on connector */
.ig-flow-step:not(:last-child) .ig-flow-arrow {
    position: absolute;
    top: 16px;
    right: -8px;
    z-index: 3;
    color: var(--ig-indigo);
    opacity: 0.6;
}

.ig-flow-step:not(:last-child) .ig-flow-arrow svg {
    width: 16px;
    height: 16px;
}

/* Step title & description */
.ig-flow-step-title {
    font-size: 0.875rem;
    font-weight: 700;
    color: #1e293b;
    margin-top: 14px;
    line-height: 1.3;
}

.ig-flow-step-desc {
    font-size: 0.8125rem;
    color: #64748b;
    margin-top: 6px;
    line-height: 1.5;
}

/* Step staggered entrance */
.ig.is-visible .ig-flow-step {
    animation: ig-step-enter 0.5s var(--ig-transition) both;
    animation-delay: calc(var(--step, 0) * 0.12s + 0.2s);
}

@keyframes ig-step-enter {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* --- Vertical flow variant --- */
.ig-flow-steps.ig-flow-vertical {
    flex-direction: column;
    gap: 0;
    align-items: stretch;
}

.ig-flow-vertical .ig-flow-step {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
    padding: 0 0 32px 0;
}

.ig-flow-vertical .ig-flow-step:last-child {
    padding-bottom: 0;
}

.ig-flow-vertical .ig-flow-step:not(:last-child)::after {
    top: 52px;
    left: 23px;
    right: auto;
    width: 2px;
    height: calc(100% - 52px);
    background: linear-gradient(180deg, var(--ig-indigo), var(--ig-indigo-light));
}

.ig.is-visible .ig-flow-vertical .ig-flow-step:not(:last-child)::after {
    animation-name: ig-dash-flow-v;
}

@keyframes ig-dash-flow-v {
    from { clip-path: inset(0 0 100% 0); }
    to   { clip-path: inset(0 0 0 0); }
}

.ig-flow-vertical .ig-flow-step-body {
    margin-left: 20px;
    padding-top: 2px;
}

.ig-flow-vertical .ig-flow-step-title {
    margin-top: 0;
}


/* ============================================================
   2. VERSUS / COMPARISON
   Two columns side by side with visual distinction.
   Usage: "SSD vs HDD", "React vs Vue"
   Color: Emerald vs Rose
   ============================================================ */
.ig-versus {
    background: #fff;
    border: 1.5px solid var(--border, #e2e8f0);
    border-radius: var(--ig-radius);
    overflow: hidden;
    box-shadow: var(--ig-shadow-md);
}

.ig-versus .ig-label {
    color: var(--ig-violet);
    background: var(--ig-violet-bg);
    margin: 32px 0 0 32px;
}

/* Header with title + VS badge */
.ig-versus-header {
    padding: 16px 32px 24px;
}

.ig-versus-header .ig-title {
    margin-bottom: 0;
}

/* Versus badge */
.ig-versus-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: #fff;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
    position: absolute;
    left: 50%;
    top: 0;
    transform: translate(-50%, -50%);
    z-index: 10;
    border: 3px solid #fff;
}

/* Subtle background tint per column */
.ig-versus-col:first-child {
    background: linear-gradient(180deg, rgba(16,185,129,0.03) 0%, transparent 100%);
}
.ig-versus-col:last-child {
    background: linear-gradient(180deg, rgba(244,63,94,0.03) 0%, transparent 100%);
}

/* Two columns */
.ig-versus-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: relative;
}

/* Divider line */
.ig-versus-cols::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--border, #e2e8f0) 10%, var(--border, #e2e8f0) 90%, transparent);
    z-index: 1;
}

.ig-versus-col {
    padding: 32px;
    position: relative;
}

/* Column headers */
.ig-versus-col-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid;
}

.ig-versus-col:first-child .ig-versus-col-header {
    border-color: var(--ig-emerald);
}

.ig-versus-col:last-child .ig-versus-col-header {
    border-color: var(--ig-rose);
}

.ig-versus-col-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s var(--ig-transition), box-shadow 0.3s var(--ig-transition);
}

.ig-versus-col:first-child .ig-versus-col-icon {
    background: linear-gradient(135deg, var(--ig-emerald), var(--ig-emerald-dark));
    color: #fff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.ig-versus-col:last-child .ig-versus-col-icon {
    background: linear-gradient(135deg, var(--ig-rose), var(--ig-rose-dark));
    color: #fff;
    box-shadow: 0 4px 14px rgba(244, 63, 94, 0.3);
}

.ig-versus-col:hover .ig-versus-col-icon {
    transform: scale(1.08);
}

.ig-versus-col-icon svg {
    width: 28px;
    height: 28px;
}

.ig-versus-col-name {
    font-size: 1.35rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.ig-versus-col-sub {
    font-size: 0.8125rem;
    color: #64748b;
    margin-top: 2px;
}

/* Feature rows */
.ig-versus-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    font-size: 0.9rem;
    color: #334155;
    line-height: 1.5;
    border-radius: 10px;
    transition: background 0.2s ease;
}

.ig-versus-row:hover {
    background: rgba(99, 102, 241, 0.04);
}

.ig-versus-row + .ig-versus-row {
    border-top: none;
    margin-top: 2px;
}

/* Check / cross icons */
.ig-versus-icon {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 0;
    transition: transform 0.2s ease;
}

.ig-versus-row:hover .ig-versus-icon {
    transform: scale(1.15);
}

.ig-versus-icon svg {
    width: 14px;
    height: 14px;
}

.ig-versus-icon.ig-check {
    background: var(--ig-emerald);
    color: #fff;
    box-shadow: 0 2px 6px rgba(16, 185, 129, 0.25);
}

.ig-versus-icon.ig-cross {
    background: var(--ig-rose);
    color: #fff;
    box-shadow: 0 2px 6px rgba(244, 63, 94, 0.25);
}

.ig-versus-icon.ig-partial {
    background: var(--ig-amber);
    color: #fff;
    box-shadow: 0 2px 6px rgba(245, 158, 11, 0.25);
}

/* Bottom verdict bar */
.ig-versus-verdict {
    display: flex;
    border-top: 2px solid var(--border, #e2e8f0);
    position: relative;
}

/* Vertical separator */
.ig-versus-verdict::after {
    content: '';
    position: absolute;
    top: 20px;
    bottom: 20px;
    left: 50%;
    width: 1px;
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.1) 20%, rgba(0,0,0,0.1) 80%, transparent 100%);
    z-index: 1;
}

.ig-versus-verdict-col {
    flex: 1;
    padding: 44px 36px 48px;
    text-align: center;
    font-size: 0.88rem;
    font-weight: 500;
    line-height: 1.55;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* Force text content to bottom */
    justify-content: flex-start;
}

/* Text goes after icon + badge */
.ig-versus-verdict-text {
    order: 3;
    margin-top: 4px;
    position: relative;
}

/* === NEUTRAL verdict (no winner, both are valid choices) === */
.ig-versus-verdict-col.ig-pick-a,
.ig-versus-verdict-col.ig-pick-b {
    padding: 36px 32px 40px;
    position: relative;
}

.ig-versus-verdict-col.ig-pick-a {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    color: var(--ig-emerald-dark);
}

.ig-versus-verdict-col.ig-pick-b {
    background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
    color: var(--ig-indigo-dark);
}

.ig-versus-verdict-col.ig-pick-a::before,
.ig-versus-verdict-col.ig-pick-b::before {
    content: none;
}

.ig-versus-verdict-col.ig-pick-a::after {
    content: 'BEST FOR';
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--ig-emerald);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 12px;
    order: 1;
}

.ig-versus-verdict-col.ig-pick-b::after {
    content: 'BEST FOR';
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--ig-indigo);
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 12px;
    order: 1;
}

.ig-versus-verdict-col.ig-pick-a .ig-versus-verdict-text,
.ig-versus-verdict-col.ig-pick-b .ig-versus-verdict-text {
    order: 2;
    font-weight: 600;
}

/* === WINNER (only when there IS a clear winner) === */
.ig-versus-verdict-col.ig-winner {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 50%, #a7f3d0 100%);
    color: var(--ig-emerald-dark);
    position: relative;
    padding: 44px 36px 48px;
}

.ig-versus-verdict-col.ig-winner::before {
    content: '🏆';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin-bottom: 18px;
    font-size: 32px;
    background: linear-gradient(135deg, var(--ig-emerald), var(--ig-emerald-dark));
    border-radius: 50%;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3), 0 0 0 5px rgba(16, 185, 129, 0.1);
    order: 1;
    animation: ig-winner-pulse 2s ease-in-out infinite;
}

@keyframes ig-winner-pulse {
    0%, 100% { box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3), 0 0 0 5px rgba(16, 185, 129, 0.1); transform: scale(1); }
    50% { box-shadow: 0 6px 24px rgba(16, 185, 129, 0.45), 0 0 0 8px rgba(16, 185, 129, 0.08); transform: scale(1.05); }
}

/* Winner — simple positive animation */
.ig.is-visible .ig-versus-verdict-col.ig-winner::before {
    animation: ig-winner-pulse 2.5s ease-in-out infinite, ig-winner-enter 0.5s ease-out 0.3s both;
}

@keyframes ig-winner-enter {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.ig-versus-verdict-col.ig-winner::after {
    content: 'OUR PICK';
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #fff;
    background: linear-gradient(135deg, var(--ig-emerald), var(--ig-emerald-dark));
    padding: 5px 18px;
    border-radius: 100px;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
    margin-bottom: 16px;
    order: 2;
}

/* === ALTERNATIVE === */
.ig-versus-verdict-col:not(.ig-winner) {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #eef2ff 100%);
    color: #475569;
    position: relative;
    padding: 44px 36px 48px;
}

.ig-versus-verdict-col:not(.ig-winner)::before {
    content: '';
    display: block;
    width: 56px;
    height: 56px;
    margin-bottom: 18px;
    background: linear-gradient(135deg, #818cf8, #6366f1);
    border-radius: 50%;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.2), 0 0 0 4px rgba(99, 102, 241, 0.08);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 9V5a3 3 0 0 0-3-3l-4 9v11h11.28a2 2 0 0 0 2-1.7l1.38-9a2 2 0 0 0-2-2.3H14z'/%3E%3Cpath d='M7 22H4a2 2 0 0 1-2-2v-7a2 2 0 0 1 2-2h3'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 24px;
    order: 1;
}

.ig-versus-verdict-col:not(.ig-winner)::after {
    content: 'SOLID ALTERNATIVE';
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--ig-indigo);
    background: var(--ig-indigo-bg);
    border: 1px solid rgba(99, 102, 241, 0.2);
    padding: 5px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
    order: 2;
}

/* Staggered row animation */
.ig.is-visible .ig-versus-row {
    animation: ig-row-enter 0.4s var(--ig-transition) both;
    animation-delay: calc(var(--row, 0) * 0.06s + 0.3s);
}

@keyframes ig-row-enter {
    from { opacity: 0; transform: translateX(-8px); }
    to   { opacity: 1; transform: translateX(0); }
}

.ig-versus-col:last-child .ig-versus-row {
    animation-name: ig-row-enter-r;
}

@keyframes ig-row-enter-r {
    from { opacity: 0; transform: translateX(8px); }
    to   { opacity: 1; transform: translateX(0); }
}


/* ============================================================
   3. DECISION TREE (Interactive)
   Question -> Answer A or B -> Result
   Usage: "Which laptop fits you?", "Pick a hosting plan"
   Color: Cyan accents
   ============================================================ */
.ig-decision {
    background: linear-gradient(145deg, #f0fdff 0%, #ecfeff 50%, #f0f9ff 100%);
    border: 1.5px solid rgba(6,182,212,0.15);
    border-radius: var(--ig-radius);
    padding: 40px 32px 32px;
    box-shadow: 0 0 0 1px rgba(6,182,212,0.08), 0 4px 16px rgba(6,182,212,0.06);
}

.ig-decision::before {
    content: '';
    position: absolute;
    top: 0;
    left: 24px;
    right: 24px;
    height: 3px;
    background: linear-gradient(90deg, #06b6d4, #0ea5e9, #6366f1);
    border-radius: 0 0 3px 3px;
}

.ig-decision .ig-label {
    color: var(--ig-cyan-dark);
    background: rgba(6,182,212,0.1);
}

/* Question node */
.ig-decision-question {
    background: #fff;
    border: 1.5px solid rgba(6,182,212,0.2);
    border-radius: var(--ig-radius-sm);
    padding: 24px;
    text-align: center;
    max-width: 480px;
    margin: 0 auto 32px;
    box-shadow: var(--ig-shadow);
    position: relative;
}

.ig-decision-question-text {
    font-size: 1.0625rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.4;
}

.ig-decision-question-sub {
    font-size: 0.8125rem;
    color: #64748b;
    margin-top: 6px;
}

/* Connector from question to options */
.ig-decision-connector {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
    position: relative;
    height: 32px;
}

.ig-decision-connector::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: var(--ig-cyan);
    opacity: 0.3;
}

/* Branch split */
.ig-decision-connector-split {
    display: flex;
    justify-content: center;
    position: relative;
    height: 24px;
    margin-bottom: 16px;
}

.ig-decision-connector-split::before {
    content: '';
    position: absolute;
    top: 0;
    left: 25%;
    right: 25%;
    height: 2px;
    background: rgba(6,182,212,0.25);
}

.ig-decision-connector-split::after {
    content: '';
    position: absolute;
    top: 0;
    left: 25%;
    right: 25%;
    height: 100%;
    border-left: 2px solid rgba(6,182,212,0.25);
    border-right: 2px solid rgba(6,182,212,0.25);
}

/* Option buttons */
.ig-decision-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    max-width: 560px;
    margin: 0 auto;
}

.ig-decision-option {
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: var(--ig-radius-sm);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s var(--ig-transition);
    position: relative;
}

.ig-decision-option:hover {
    border-color: var(--ig-cyan);
    box-shadow: 0 4px 16px rgba(6,182,212,0.15);
    transform: translateY(-2px);
}

.ig-decision-option.ig-selected {
    border-color: var(--ig-cyan);
    background: var(--ig-cyan-bg);
    box-shadow: 0 0 0 3px rgba(6,182,212,0.12);
}

.ig-decision-option-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--ig-cyan-bg);
    color: var(--ig-cyan-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.ig-decision-option-icon svg {
    width: 20px;
    height: 20px;
}

.ig-decision-option-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: #0f172a;
}

.ig-decision-option-desc {
    font-size: 0.8125rem;
    color: #64748b;
    margin-top: 4px;
    line-height: 1.5;
}

/* Result card (shown when option is selected) */
.ig-decision-result {
    background: #fff;
    border: 2px solid var(--ig-emerald);
    border-radius: var(--ig-radius-sm);
    padding: 24px;
    margin-top: 24px;
    text-align: center;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    display: none;
    animation: ig-result-pop 0.4s var(--ig-transition);
}

.ig-decision-result.ig-active {
    display: block;
}

@keyframes ig-result-pop {
    from { opacity: 0; transform: scale(0.95) translateY(8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.ig-decision-result-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ig-emerald-dark);
    background: var(--ig-emerald-bg);
    padding: 5px 12px;
    border-radius: 9999px;
    margin-bottom: 12px;
}

.ig-decision-result-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: #0f172a;
}

.ig-decision-result-desc {
    font-size: 0.875rem;
    color: #475569;
    margin-top: 8px;
    line-height: 1.6;
}


/* ============================================================
   4. FEATURE GRID
   Cards in a grid with icon + short text.
   Usage: "4 types of hosting", "Key features of Docker"
   Color: Mixed accents per card
   ============================================================ */
.ig-grid {
    background: transparent;
}

.ig-grid .ig-label {
    color: var(--ig-indigo);
    background: var(--ig-indigo-bg);
}

.ig-grid-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

/* Grid card */
.ig-grid-card {
    background: #fff;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--ig-radius-sm);
    padding: 28px 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s var(--ig-transition);
}

.ig-grid-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-accent, var(--ig-indigo));
    border-radius: 3px 3px 0 0;
}

.ig-grid-card:hover {
    border-color: var(--card-accent, var(--ig-indigo));
    box-shadow: var(--ig-shadow-lg);
    transform: translateY(-3px);
}

/* Card icon */
.ig-grid-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--card-bg, var(--ig-indigo-bg));
    color: var(--card-accent, var(--ig-indigo));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.ig-grid-card-icon svg {
    width: 22px;
    height: 22px;
}

/* Card text */
.ig-grid-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.3;
    margin-bottom: 8px;
}

.ig-grid-card-desc {
    font-size: 0.8125rem;
    color: #64748b;
    line-height: 1.6;
}

/* Optional tag */
.ig-grid-card-tag {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--card-accent, var(--ig-indigo));
    background: var(--card-bg, var(--ig-indigo-bg));
    padding: 3px 8px;
    border-radius: 4px;
    margin-top: 12px;
}

/* Color variants via CSS custom properties on .ig-grid-card */
.ig-grid-card.ig-indigo  { --card-accent: #6366f1; --card-bg: #eef2ff; }
.ig-grid-card.ig-emerald { --card-accent: #10b981; --card-bg: #ecfdf5; }
.ig-grid-card.ig-amber   { --card-accent: #f59e0b; --card-bg: #fffbeb; }
.ig-grid-card.ig-rose     { --card-accent: #f43f5e; --card-bg: #fff1f2; }
.ig-grid-card.ig-cyan     { --card-accent: #06b6d4; --card-bg: #ecfeff; }
.ig-grid-card.ig-violet   { --card-accent: #8b5cf6; --card-bg: #f5f3ff; }

/* Staggered card entrance */
.ig.is-visible .ig-grid-card {
    animation: ig-card-enter 0.5s var(--ig-transition) both;
    animation-delay: calc(var(--card, 0) * 0.08s + 0.2s);
}

@keyframes ig-card-enter {
    from { opacity: 0; transform: translateY(20px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}


/* ============================================================
   5. STAT / FACT CARDS
   Big numbers with context.
   Usage: "99.9% uptime", "$3/mo", "5x faster"
   Color: Dynamic per stat
   ============================================================ */
.ig-stats {
    background: transparent;
}

.ig-stats .ig-label {
    color: var(--ig-indigo);
    background: var(--ig-indigo-bg);
}

.ig-stats-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.ig-stat-card {
    background: #fff;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--ig-radius-sm);
    padding: 28px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s var(--ig-transition);
}

.ig-stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--stat-gradient, linear-gradient(135deg, rgba(99,102,241,0.04), rgba(99,102,241,0.01)));
    pointer-events: none;
}

.ig-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--ig-shadow-lg);
    border-color: var(--stat-color, var(--ig-indigo));
}

/* Big number */
.ig-stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    background: var(--stat-gradient-text, linear-gradient(135deg, #6366f1, #4f46e5));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.ig-stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #334155;
    margin-bottom: 4px;
}

.ig-stat-desc {
    font-size: 0.75rem;
    color: #94a3b8;
    line-height: 1.5;
}

/* Color variants */
.ig-stat-card.ig-indigo {
    --stat-color: #6366f1;
    --stat-gradient: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(99,102,241,0.01));
    --stat-gradient-text: linear-gradient(135deg, #6366f1, #4f46e5);
}

.ig-stat-card.ig-emerald {
    --stat-color: #10b981;
    --stat-gradient: linear-gradient(135deg, rgba(16,185,129,0.06), rgba(16,185,129,0.01));
    --stat-gradient-text: linear-gradient(135deg, #10b981, #059669);
}

.ig-stat-card.ig-amber {
    --stat-color: #f59e0b;
    --stat-gradient: linear-gradient(135deg, rgba(245,158,11,0.06), rgba(245,158,11,0.01));
    --stat-gradient-text: linear-gradient(135deg, #f59e0b, #d97706);
}

.ig-stat-card.ig-rose {
    --stat-color: #f43f5e;
    --stat-gradient: linear-gradient(135deg, rgba(244,63,94,0.06), rgba(244,63,94,0.01));
    --stat-gradient-text: linear-gradient(135deg, #f43f5e, #e11d48);
}

.ig-stat-card.ig-cyan {
    --stat-color: #06b6d4;
    --stat-gradient: linear-gradient(135deg, rgba(6,182,212,0.06), rgba(6,182,212,0.01));
    --stat-gradient-text: linear-gradient(135deg, #06b6d4, #0891b2);
}

/* Staggered entrance */
.ig.is-visible .ig-stat-card {
    animation: ig-stat-enter 0.6s var(--ig-transition) both;
    animation-delay: calc(var(--card, 0) * 0.1s + 0.2s);
}

@keyframes ig-stat-enter {
    from { opacity: 0; transform: scale(0.9) translateY(16px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}


/* ============================================================
   6. TIMELINE / STEPS (Vertical)
   Vertical timeline with events/steps.
   Usage: "History of JavaScript", "Migration steps"
   Color: Indigo line with mixed node colors
   ============================================================ */
.ig-timeline {
    background: #fff;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--ig-radius);
    padding: 40px 32px;
    box-shadow: var(--ig-shadow);
}

.ig-timeline .ig-label {
    color: var(--ig-indigo);
    background: var(--ig-indigo-bg);
}

.ig-timeline-items {
    position: relative;
    padding-left: 32px;
}

/* Vertical line */
.ig-timeline-items::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 11px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--ig-indigo), var(--ig-indigo-light), var(--ig-cyan));
    border-radius: 1px;
}

/* Animated line growth */
.ig.is-visible .ig-timeline-items::before {
    animation: ig-timeline-grow 1.2s var(--ig-transition) forwards;
}

@keyframes ig-timeline-grow {
    from { clip-path: inset(0 0 100% 0); }
    to   { clip-path: inset(0 0 0 0); }
}

/* Timeline node */
.ig-timeline-item {
    position: relative;
    padding-bottom: 32px;
}

.ig-timeline-item:last-child {
    padding-bottom: 0;
}

/* Dot on timeline */
.ig-timeline-dot {
    position: absolute;
    left: -32px;
    top: 4px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--ig-indigo);
    z-index: 2;
    transition: all 0.3s var(--ig-transition);
}

.ig-timeline-item:hover .ig-timeline-dot {
    background: var(--ig-indigo);
    box-shadow: 0 0 0 4px rgba(99,102,241,0.15);
}

/* Dot color variants */
.ig-timeline-dot.ig-emerald { border-color: var(--ig-emerald); }
.ig-timeline-item:hover .ig-timeline-dot.ig-emerald {
    background: var(--ig-emerald);
    box-shadow: 0 0 0 4px rgba(16,185,129,0.15);
}

.ig-timeline-dot.ig-amber { border-color: var(--ig-amber); }
.ig-timeline-item:hover .ig-timeline-dot.ig-amber {
    background: var(--ig-amber);
    box-shadow: 0 0 0 4px rgba(245,158,11,0.15);
}

.ig-timeline-dot.ig-cyan { border-color: var(--ig-cyan); }
.ig-timeline-item:hover .ig-timeline-dot.ig-cyan {
    background: var(--ig-cyan);
    box-shadow: 0 0 0 4px rgba(6,182,212,0.15);
}

/* Active/current step */
.ig-timeline-dot.ig-active {
    background: var(--ig-indigo);
    border-color: var(--ig-indigo);
    box-shadow: 0 0 0 4px rgba(99,102,241,0.2);
}

.ig-timeline-dot.ig-active::after {
    content: '';
    position: absolute;
    inset: 3px;
    border-radius: 50%;
    background: #fff;
}

/* Content */
.ig-timeline-content {
    background: #f8fafc;
    border: 1px solid #f1f5f9;
    border-radius: var(--ig-radius-xs);
    padding: 20px;
    transition: all 0.3s var(--ig-transition);
}

.ig-timeline-item:hover .ig-timeline-content {
    background: #fff;
    border-color: #e2e8f0;
    box-shadow: var(--ig-shadow);
}

.ig-timeline-meta {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ig-indigo);
    margin-bottom: 6px;
}

.ig-timeline-item-title {
    font-size: 1rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 6px;
    line-height: 1.3;
}

.ig-timeline-item-desc {
    font-size: 0.8125rem;
    color: #64748b;
    line-height: 1.6;
}

/* Staggered entrance */
.ig.is-visible .ig-timeline-item {
    animation: ig-tl-enter 0.5s var(--ig-transition) both;
    animation-delay: calc(var(--step, 0) * 0.12s + 0.3s);
}

@keyframes ig-tl-enter {
    from { opacity: 0; transform: translateX(-16px); }
    to   { opacity: 1; transform: translateX(0); }
}


/* ============================================================
   7. RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .ig {
        margin: 32px 0;
    }

    .ig-title {
        font-size: 1.125rem;
    }

    /* Flow: stack vertically on mobile */
    .ig-flow {
        padding: 32px 20px 24px;
    }

    .ig-flow-steps:not(.ig-flow-vertical) {
        flex-direction: column;
        gap: 0;
        align-items: stretch;
    }

    .ig-flow-steps:not(.ig-flow-vertical) .ig-flow-step {
        flex-direction: row;
        text-align: left;
        align-items: flex-start;
        padding: 0 0 28px 0;
    }

    .ig-flow-steps:not(.ig-flow-vertical) .ig-flow-step:last-child {
        padding-bottom: 0;
    }

    .ig-flow-steps:not(.ig-flow-vertical) .ig-flow-step:not(:last-child)::after {
        top: 52px;
        left: 23px;
        right: auto;
        width: 2px;
        height: calc(100% - 52px);
        background: linear-gradient(180deg, var(--ig-indigo), var(--ig-indigo-light));
    }

    .ig-flow-steps:not(.ig-flow-vertical) .ig-flow-step .ig-flow-step-title,
    .ig-flow-steps:not(.ig-flow-vertical) .ig-flow-step .ig-flow-step-desc {
        margin-top: 0;
        margin-left: 16px;
    }

    .ig-flow-steps:not(.ig-flow-vertical) .ig-flow-step .ig-flow-step-title {
        margin-top: 4px;
    }

    .ig-flow-steps:not(.ig-flow-vertical) .ig-flow-step .ig-flow-step-desc {
        margin-top: 4px;
    }

    /* Wrap step text in a div on mobile */
    .ig-flow-steps:not(.ig-flow-vertical) .ig-flow-step-body {
        margin-left: 16px;
    }

    /* Versus: stack columns */
    .ig-versus-cols {
        grid-template-columns: 1fr;
    }

    .ig-versus-cols::before {
        top: auto;
        left: 32px;
        right: 32px;
        width: auto;
        height: 1px;
        bottom: auto;
        background: var(--border, #e2e8f0);
    }

    .ig-versus-col {
        padding: 24px;
    }

    .ig-versus .ig-label {
        margin: 24px 0 0 24px;
    }

    .ig-versus-header {
        padding: 12px 24px 20px;
    }

    .ig-versus-verdict {
        grid-template-columns: 1fr;
    }

    .ig-versus-badge {
        position: relative;
        left: auto;
        top: auto;
        transform: none;
        margin: 0 auto 16px;
    }

    /* Decision: stack options */
    .ig-decision {
        padding: 32px 20px 24px;
    }

    .ig-decision-options {
        grid-template-columns: 1fr;
    }

    .ig-decision-connector-split::before,
    .ig-decision-connector-split::after {
        display: none;
    }

    /* Grid: 1 column on very small */
    .ig-grid-items {
        grid-template-columns: 1fr;
    }

    /* Stats: 2 columns */
    .ig-stats-items {
        grid-template-columns: repeat(2, 1fr);
    }

    .ig-stat-value {
        font-size: 2rem;
    }

    /* Timeline */
    .ig-timeline {
        padding: 32px 20px;
    }

    .ig-timeline-items {
        padding-left: 28px;
    }

    .ig-timeline-dot {
        left: -28px;
        width: 18px;
        height: 18px;
    }

    .ig-timeline-items::before {
        left: 8px;
    }
}

@media (max-width: 480px) {
    .ig-stats-items {
        grid-template-columns: 1fr;
    }

    .ig-flow-step-num,
    .ig-flow-step-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* ============================================================
   8. PRINT
   ============================================================ */
@media print {
    .ig {
        opacity: 1;
        transform: none;
        break-inside: avoid;
    }

    .ig-flow,
    .ig-versus,
    .ig-decision,
    .ig-grid-card,
    .ig-stat-card,
    .ig-timeline {
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .ig-flow::before,
    .ig-decision::before {
        display: none;
    }

    .ig-decision-option:hover,
    .ig-grid-card:hover,
    .ig-stat-card:hover {
        transform: none;
        box-shadow: none;
    }
}