/* ============================================================
   KIT HUB — Premium Redesign v2
   ============================================================ */

/* === CSS RESET === */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* === PREMIUM DESIGN TOKENS === */
:root {
    --bg-body: #060612;
    --bg-card: rgba(15, 15, 35, 0.7);
    --bg-card-hover: rgba(22, 22, 50, 0.85);
    --bg-elevated: rgba(12, 12, 30, 0.95);
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #5a5a78;

    /* Accent system */
    --accent-primary: #818cf8;
    --accent-primary-dim: rgba(129, 140, 248, 0.15);
    --accent-success: #34d399;
    --accent-success-dim: rgba(52, 211, 153, 0.15);
    --accent-warm: #fbbf24;
    --accent-warm-dim: rgba(251, 191, 36, 0.12);

    /* Type colors */
    --type-web: #818cf8;
    --type-web-dim: rgba(129, 140, 248, 0.12);
    --type-quiz: #c084fc;
    --type-quiz-dim: rgba(192, 132, 252, 0.12);
    --type-pdf: #34d399;
    --type-pdf-dim: rgba(52, 211, 153, 0.12);
    --type-audio: #fbbf24;
    --type-audio-dim: rgba(251, 191, 36, 0.12);
    --type-video: #fb7185;
    --type-video-dim: rgba(251, 113, 133, 0.12);
    --type-img: #38bdf8;
    --type-img-dim: rgba(56, 189, 248, 0.12);
    --type-pptx: #fb923c;
    --type-pptx-dim: rgba(251, 146, 60, 0.12);
    --type-app: #a78bfa;
    --type-app-dim: rgba(167, 139, 250, 0.12);

    /* Extra accent colors */
    --cyan: #06b6d4;

    /* Gradients */
    --gradient-success: linear-gradient(135deg, #818cf8 0%, #34d399 100%);
    --gradient-cta: linear-gradient(135deg, #818cf8 0%, #6366f1 50%, #8b5cf6 100%);
    --gradient-glass: linear-gradient(135deg, rgba(129, 140, 248, 0.06) 0%, rgba(52, 211, 153, 0.03) 100%);
    --gradient-text: linear-gradient(135deg, #818cf8, #c084fc, #34d399);
    --gradient-celebration: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #fbbf24 100%);
    --gradient-aurora: radial-gradient(ellipse at 30% 0%, rgba(129, 140, 248, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 0%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(52, 211, 153, 0.04) 0%, transparent 50%);

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.04);
    --border-glass: rgba(255, 255, 255, 0.07);
    --border-accent: rgba(129, 140, 248, 0.2);
    --border-accent-hover: rgba(129, 140, 248, 0.45);

    /* Shadows */
    --shadow-card: 0 4px 24px -6px rgba(0, 0, 0, 0.5);
    --shadow-card-hover: 0 16px 48px -12px rgba(129, 140, 248, 0.2);
    --shadow-glow: 0 0 40px -10px rgba(129, 140, 248, 0.25);
    --shadow-success-glow: 0 0 50px -12px rgba(52, 211, 153, 0.3);
    --shadow-warm-glow: 0 0 50px -12px rgba(251, 191, 36, 0.3);

    /* Radii */
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 24px;

    /* Misc */
    --glass-blur: 20px;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 0.2s var(--ease-premium);
    --transition-medium: 0.4s var(--ease-premium);
}

/* === BODY === */
body {
    font-family: var(--font-sans);
    background-color: var(--bg-body);
    color: var(--text-secondary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: transparent;
}

/* Aurora background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--gradient-aurora);
    pointer-events: none;
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(1px 1px at 15% 25%, rgba(129, 140, 248, 0.2), transparent),
        radial-gradient(1px 1px at 45% 65%, rgba(255, 255, 255, 0.12), transparent),
        radial-gradient(1px 1px at 75% 35%, rgba(192, 132, 252, 0.15), transparent),
        radial-gradient(1px 1px at 85% 75%, rgba(52, 211, 153, 0.12), transparent);
    background-size: 500px 400px;
    animation: starsFloat 200s linear infinite;
    pointer-events: none;
    z-index: -1;
}

/* === KEYFRAMES === */
@keyframes starsFloat {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 500px 400px;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.92);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }

    50% {
        opacity: 1;
        transform: scale(1.05);
    }

    70% {
        transform: scale(0.97);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes checkPop {
    0% {
        transform: scale(0.8);
    }

    50% {
        transform: scale(1.15);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

@keyframes progressShine {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

@keyframes viewerFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes downloadPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.08);
    }
}

@keyframes lockPulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.7;
    }

    50% {
        transform: scale(1.12);
        opacity: 1;
    }
}

@keyframes gentlePulse {

    0%,
    100% {
        box-shadow: var(--shadow-warm-glow);
    }

    50% {
        box-shadow: 0 0 60px -8px rgba(251, 191, 36, 0.4);
    }
}

@keyframes celebrationPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.03);
    }
}

@keyframes gratitudeGlow {

    0%,
    100% {
        opacity: 0.6;
        transform: translateX(-50%) scaleX(1);
    }

    50% {
        opacity: 1;
        transform: translateX(-50%) scaleX(1.15);
    }
}

@keyframes headerCtaPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.18);
    }
}

/* === HEADER === */
.header-premium {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(6, 6, 18, 0.88);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border-glass);
    padding: 16px 24px;
}

.header-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo i {
    font-size: 1.5rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-title {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.header-subtitle {
    font-size: 0.6rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
}

.header-materia {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 0.85rem;
    opacity: 0.9;
    max-width: 500px;
    text-align: right;
    line-height: 1.3;
}

/* === MAIN === */
main {
    flex: 1;
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
    padding: 24px;
}

/* === SUCCESS BANNER === */
.success-banner {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid rgba(251, 191, 36, 0.25);
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    margin-bottom: 20px;
    text-align: center;
    box-shadow: var(--shadow-warm-glow);
    animation: scaleIn 0.6s var(--ease-bounce) forwards, gentlePulse 4s ease-in-out 1s infinite;
    position: relative;
    overflow: hidden;
}

.success-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(251, 191, 36, 0.1) 0%, transparent 65%);
    pointer-events: none;
}

.success-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(251, 191, 36, 0.5), transparent);
}

.success-emoji {
    font-size: 3.2rem;
    margin-bottom: 12px;
    display: block;
    animation: bounceIn 0.8s var(--ease-bounce) 0.3s forwards;
    opacity: 0;
    filter: drop-shadow(0 0 16px rgba(251, 191, 36, 0.35));
}

.success-title {
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fbbf24, #f59e0b, #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    position: relative;
}

.success-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
    position: relative;
}

.success-badge {
    display: inline-block;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #1a1a2e;
    padding: 10px 24px;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 0.85rem;
    position: relative;
    box-shadow: 0 4px 20px -5px rgba(251, 191, 36, 0.4);
    letter-spacing: 0.02em;
}

/* === DEMO BANNER === */
.demo-banner {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    margin-bottom: 20px;
    text-align: center;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
    animation: scaleIn 0.6s var(--ease-bounce) forwards;
}

.demo-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(129, 140, 248, 0.08) 0%, transparent 65%);
    pointer-events: none;
}

.demo-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(129, 140, 248, 0.5), transparent);
}

.demo-emoji {
    font-size: 3rem;
    margin-bottom: 12px;
    display: block;
    filter: drop-shadow(0 0 16px rgba(129, 140, 248, 0.3));
}

.demo-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.demo-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.demo-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-primary-dim);
    border: 1px solid var(--border-accent);
    color: var(--accent-primary);
    padding: 10px 20px;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 0.8rem;
}

/* === WELCOME CARD === */
.welcome-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
    opacity: 0;
    animation: fadeInUp 0.5s var(--ease-premium) 0.3s forwards;
}

.welcome-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glass);
    pointer-events: none;
}

.welcome-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
    position: relative;
}

.welcome-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.welcome-title span {
    color: var(--accent-primary);
}

.welcome-badge {
    background: var(--accent-primary-dim);
    border: 1px solid var(--border-accent);
    padding: 8px 16px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
    backdrop-filter: blur(8px);
}

.welcome-phrase {
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid var(--accent-primary);
    padding: 14px 18px;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    position: relative;
}

.welcome-phrase-enhanced {
    background: linear-gradient(135deg, rgba(129, 140, 248, 0.05) 0%, rgba(52, 211, 153, 0.03) 100%);
    border: 1px solid var(--border-glass);
    border-left: 3px solid var(--accent-primary);
    padding: 16px 20px;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 20px;
    border-radius: var(--radius-md);
    position: relative;
    font-size: 0.92rem;
    line-height: 1.65;
}

/* === PROGRESS BAR === */
.progress-container {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    height: 40px;
    position: relative;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-success);
    transition: width 0.6s var(--ease-premium);
    border-radius: var(--radius-md);
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
    animation: progressShine 2.5s ease-in-out infinite;
}

.progress-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-primary);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.04em;
}

/* === STICKY PROGRESS WRAPPER === */
.progress-sticky-wrapper {
    position: relative;
    margin-bottom: 20px;
}

/* === PHASE HEADERS === */
.phase-header {
    grid-column: 1 / -1;
    text-align: center;
    padding: 28px 16px 12px;
    position: relative;
    opacity: 0;
    animation: fadeInUp 0.5s var(--ease-premium) forwards;
}

.phase-header::before {
    content: '';
    position: absolute;
    top: 14px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.phase-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 9999px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
    background: var(--bg-body);
}

.phase-header[data-phase="1"] .phase-badge {
    background: var(--accent-primary-dim);
    border: 1px solid var(--border-accent);
    color: var(--accent-primary);
}

.phase-header[data-phase="2"] .phase-badge {
    background: var(--accent-warm-dim);
    border: 1px solid rgba(251, 191, 36, 0.2);
    color: var(--accent-warm);
}

.phase-header[data-phase="3"] .phase-badge {
    background: var(--accent-success-dim);
    border: 1px solid rgba(52, 211, 153, 0.2);
    color: var(--accent-success);
}

.phase-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 8px 0 4px;
    letter-spacing: -0.02em;
}

.phase-header[data-phase="1"] .phase-title {
    color: var(--accent-primary);
}

.phase-header[data-phase="2"] .phase-title {
    color: var(--accent-warm);
}

.phase-header[data-phase="3"] .phase-title {
    color: var(--accent-success);
}

.phase-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.4;
}

/* === FEATURED BADGE === */
.featured-badge {
    position: absolute;
    top: -1px;
    right: 14px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #1a1a2e;
    font-size: 0.6rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 0 0 8px 8px;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 2;
    box-shadow: 0 2px 8px -2px rgba(251, 191, 36, 0.4);
}

.featured-badge i {
    font-size: 0.55rem;
    animation: celebrationPulse 2s ease-in-out infinite;
}

.product-card.featured {
    border-color: rgba(251, 191, 36, 0.2);
}

.product-card.featured:hover {
    border-color: rgba(251, 191, 36, 0.4);
    box-shadow: var(--shadow-card-hover), 0 0 30px -10px rgba(251, 191, 36, 0.25);
}

/* === METHODOLOGY SECTION === */
.methodology-section {
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeInUp 0.5s var(--ease-premium) 0.3s forwards;
}

.methodology-header {
    text-align: center;
    margin-bottom: 20px;
}

.methodology-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-primary);
    background: var(--accent-primary-dim);
    border: 1px solid var(--border-accent);
    padding: 6px 16px;
    border-radius: 9999px;
    margin-bottom: 14px;
}

.methodology-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.methodology-title span {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.methodology-subtitle {
    font-size: 0.88rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.6;
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.method-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 22px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.method-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glass);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.method-card:hover {
    border-color: var(--border-accent-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
}

.method-card:hover::before {
    opacity: 1;
}

.method-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 14px;
    background: var(--accent-primary-dim);
    border: 1px solid var(--border-accent);
    color: var(--accent-primary);
}

.method-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    position: relative;
}

.method-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.55;
    position: relative;
}

/* === PRODUCTS GRID === */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
    justify-content: center;
}

/* === SCROLL REVEAL SYSTEM === */
.scroll-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.55s var(--ease-premium), transform 0.55s var(--ease-premium);
}

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

/* Phase headers use scroll-reveal too — override the CSS animation */
.phase-header.scroll-reveal {
    animation: none;
}


.product-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-medium);
    opacity: 0;
    animation: fadeInUp 0.5s var(--ease-premium) forwards;
    border-left: 3px solid var(--accent-primary);
}

/* Type-based border colors */
.product-card[data-card-type="WEB"],
.product-card[data-card-type="WEB+"] {
    border-left-color: var(--type-web);
}

.product-card[data-card-type="QUIZ"] {
    border-left-color: var(--type-quiz);
}

.product-card[data-card-type="APP"] {
    border-left-color: var(--type-app);
}

.product-card[data-card-type="AUDIO"] {
    border-left-color: var(--type-audio);
}

.product-card[data-card-type="VIDEO"] {
    border-left-color: var(--type-video);
}

.product-card[data-card-type="PDF"] {
    border-left-color: var(--type-pdf);
}

.product-card[data-card-type="IMG"] {
    border-left-color: var(--type-img);
}

.product-card[data-card-type="PPTX"] {
    border-left-color: var(--type-pptx);
}

.product-card:hover {
    border-color: var(--border-accent-hover);
    border-left-width: 3px;
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--shadow-card-hover);
}

.product-card:hover .card-icon {
    transform: scale(1.08);
}

/* Staggered entry */
.product-card:nth-child(1) {
    animation-delay: 0.15s;
}

.product-card:nth-child(2) {
    animation-delay: 0.2s;
}

.product-card:nth-child(3) {
    animation-delay: 0.25s;
}

.product-card:nth-child(4) {
    animation-delay: 0.3s;
}

.product-card:nth-child(5) {
    animation-delay: 0.35s;
}

.product-card:nth-child(6) {
    animation-delay: 0.4s;
}

.product-card:nth-child(7) {
    animation-delay: 0.45s;
}

.product-card:nth-child(8) {
    animation-delay: 0.5s;
}

.product-card:nth-child(9) {
    animation-delay: 0.55s;
}

.product-card:nth-child(10) {
    animation-delay: 0.6s;
}

.product-card:nth-child(11) {
    animation-delay: 0.65s;
}

.product-card:nth-child(12) {
    animation-delay: 0.7s;
}

.product-card:nth-child(13) {
    animation-delay: 0.75s;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    transition: all var(--transition-medium);
}

/* Type-based icon styles */
.card-icon.unlocked {
    background: var(--accent-primary-dim);
    color: var(--accent-primary);
    border: 1px solid var(--border-accent);
}

.product-card[data-card-type="WEB"] .card-icon.unlocked,
.product-card[data-card-type="WEB+"] .card-icon.unlocked {
    background: var(--type-web-dim);
    color: var(--type-web);
    border-color: rgba(129, 140, 248, 0.2);
}

.product-card[data-card-type="QUIZ"] .card-icon.unlocked {
    background: var(--type-quiz-dim);
    color: var(--type-quiz);
    border-color: rgba(192, 132, 252, 0.2);
}

.product-card[data-card-type="APP"] .card-icon.unlocked {
    background: var(--type-app-dim);
    color: var(--type-app);
    border-color: rgba(167, 139, 250, 0.2);
}

.product-card[data-card-type="AUDIO"] .card-icon.unlocked {
    background: var(--type-audio-dim);
    color: var(--type-audio);
    border-color: rgba(251, 191, 36, 0.2);
}

.product-card[data-card-type="VIDEO"] .card-icon.unlocked {
    background: var(--type-video-dim);
    color: var(--type-video);
    border-color: rgba(251, 113, 133, 0.2);
}

.product-card[data-card-type="PDF"] .card-icon.unlocked {
    background: var(--type-pdf-dim);
    color: var(--type-pdf);
    border-color: rgba(52, 211, 153, 0.2);
}

.product-card[data-card-type="IMG"] .card-icon.unlocked {
    background: var(--type-img-dim);
    color: var(--type-img);
    border-color: rgba(56, 189, 248, 0.2);
}

.product-card[data-card-type="PPTX"] .card-icon.unlocked {
    background: var(--type-pptx-dim);
    color: var(--type-pptx);
    border-color: rgba(251, 146, 60, 0.2);
}

.card-icon.locked {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
}

.card-info {
    flex: 1;
    min-width: 0;
}

.card-title {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 3px;
    letter-spacing: -0.01em;
}

.card-purpose {
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-top: 2px;
    line-height: 1.35;
}

/* Type badge */
.card-type {
    font-size: 0.6rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.card-type.unlocked {
    background: var(--accent-primary-dim);
    color: var(--accent-primary);
    border: 1px solid var(--border-accent);
}

.product-card[data-card-type="WEB"] .card-type.unlocked,
.product-card[data-card-type="WEB+"] .card-type.unlocked {
    background: var(--type-web-dim);
    color: var(--type-web);
    border-color: rgba(129, 140, 248, 0.2);
}

.product-card[data-card-type="QUIZ"] .card-type.unlocked {
    background: var(--type-quiz-dim);
    color: var(--type-quiz);
    border-color: rgba(192, 132, 252, 0.2);
}

.product-card[data-card-type="APP"] .card-type.unlocked {
    background: var(--type-app-dim);
    color: var(--type-app);
    border-color: rgba(167, 139, 250, 0.2);
}

.product-card[data-card-type="AUDIO"] .card-type.unlocked {
    background: var(--type-audio-dim);
    color: var(--type-audio);
    border-color: rgba(251, 191, 36, 0.2);
}

.product-card[data-card-type="VIDEO"] .card-type.unlocked {
    background: var(--type-video-dim);
    color: var(--type-video);
    border-color: rgba(251, 113, 133, 0.2);
}

.product-card[data-card-type="PDF"] .card-type.unlocked {
    background: var(--type-pdf-dim);
    color: var(--type-pdf);
    border-color: rgba(52, 211, 153, 0.2);
}

.product-card[data-card-type="IMG"] .card-type.unlocked {
    background: var(--type-img-dim);
    color: var(--type-img);
    border-color: rgba(56, 189, 248, 0.2);
}

.product-card[data-card-type="PPTX"] .card-type.unlocked {
    background: var(--type-pptx-dim);
    color: var(--type-pptx);
    border-color: rgba(251, 146, 60, 0.2);
}

.card-type.locked {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
}

.card-footer {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

/* Locked cards */
.product-card.locked {
    opacity: 1;
    cursor: pointer;
    border-left-color: var(--text-muted);
}

.product-card.locked .card-header {
    filter: grayscale(0.4);
    opacity: 0.7;
}

.product-card.locked:hover {
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.product-card.locked:hover .locked-label {
    color: var(--text-secondary);
}

.product-card.locked:hover .locked-label i {
    animation: lockPulse 1s ease-in-out infinite;
}

.locked-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

.locked-label i {
    font-size: 0.9rem;
    opacity: 0.7;
}

.card-footer.locked {
    padding: 12px 16px;
}

/* === CHECKBOX === */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

.cyber-checkbox {
    appearance: none;
    width: 24px;
    height: 24px;
    border: 2px solid rgba(52, 211, 153, 0.25);
    border-radius: 7px;
    background: rgba(255, 255, 255, 0.02);
    cursor: pointer;
    position: relative;
    transition: all 0.3s var(--ease-premium);
}

.cyber-checkbox:hover {
    border-color: var(--accent-success);
    background: var(--accent-success-dim);
    box-shadow: 0 0 12px -4px rgba(52, 211, 153, 0.3);
}

.cyber-checkbox:checked {
    background: var(--accent-success);
    border-color: var(--accent-success);
    animation: checkPop 0.4s var(--ease-bounce);
}

.cyber-checkbox:checked::after {
    content: '✓';
    position: absolute;
    color: #0a0a1a;
    font-weight: bold;
    font-size: 13px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* === BUTTON === */
.btn-open {
    background: var(--gradient-cta);
    color: #fff;
    font-weight: 700;
    font-size: 0.75rem;
    padding: 10px 18px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s var(--ease-premium);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px -5px rgba(129, 140, 248, 0.35);
    letter-spacing: 0.03em;
}

.btn-open::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s var(--ease-premium);
}

.btn-open:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow), 0 8px 25px -8px rgba(129, 140, 248, 0.4);
}

.btn-open:hover::before {
    transform: translateX(100%);
}

.btn-open:active {
    transform: translateY(-1px) scale(0.98);
}

/* === UPSELL BANNER === */
.upsell-banner {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid rgba(52, 211, 153, 0.3);
    border-radius: var(--radius-xl);
    padding: 28px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-success-glow);
    position: relative;
    overflow: hidden;
}

.upsell-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(52, 211, 153, 0.08), rgba(52, 211, 153, 0.12), rgba(52, 211, 153, 0.08), transparent);
    background-size: 200% 100%;
    animation: shimmer 4s linear infinite;
    pointer-events: none;
}

.upsell-banner:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 60px -10px rgba(52, 211, 153, 0.4);
}

.upsell-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--accent-success);
    margin-bottom: 8px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.upsell-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    position: relative;
}

/* === CTA BOTTOM === */
.cta-bottom {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid rgba(52, 211, 153, 0.3);
    border-radius: var(--radius-xl);
    padding: 32px 28px;
    text-align: center;
    margin-bottom: 24px;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-success-glow);
    position: relative;
    overflow: hidden;
}

.cta-bottom::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(52, 211, 153, 0.08), rgba(52, 211, 153, 0.12), rgba(52, 211, 153, 0.08), transparent);
    background-size: 200% 100%;
    animation: shimmer 4s linear infinite;
    pointer-events: none;
}

.cta-bottom:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 60px -10px rgba(52, 211, 153, 0.4);
}

.cta-emoji {
    font-size: 2.2rem;
    margin-bottom: 10px;
    display: block;
}

.cta-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--accent-success);
    margin-bottom: 6px;
    position: relative;
}

.cta-subtitle {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-bottom: 16px;
    position: relative;
    line-height: 1.6;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-cta);
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 12px 28px;
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    position: relative;
    box-shadow: 0 4px 20px -5px rgba(129, 140, 248, 0.4);
    transition: all 0.3s var(--ease-premium);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.kit-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 18px;
}

.kit-feature {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--accent-success-dim);
    border: 1px solid rgba(52, 211, 153, 0.2);
    padding: 6px 12px;
    border-radius: 9999px;
}

.kit-feature i {
    color: var(--accent-success);
    font-size: 0.7rem;
}

/* === INSTRUCTIONS ACCORDION === */
.instructions-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    margin-bottom: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.instructions-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.instructions-header:hover {
    background: rgba(129, 140, 248, 0.04);
}

.instructions-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.instructions-title i {
    font-size: 1.1rem;
}

.instructions-toggle {
    font-size: 1rem;
    color: var(--accent-primary);
    transition: transform 0.3s ease;
}

.instructions-card.open .instructions-toggle {
    transform: rotate(180deg);
}

.instructions-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.4s ease;
    padding: 0 22px;
}

.instructions-card.open .instructions-content {
    max-height: 2500px;
    padding: 0 22px 22px;
}

.instruction-option {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 18px;
    margin-bottom: 14px;
}

.instruction-option:last-child {
    margin-bottom: 0;
}

.option-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.92rem;
    margin-bottom: 12px;
}

.option-header.option-3days {
    color: var(--accent-primary);
}

.option-header.option-1day {
    color: #fb923c;
}

.option-header.option-tip {
    color: var(--accent-success);
}

.instruction-steps {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.instruction-steps li {
    padding: 10px 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.7;
    border-bottom: 1px solid var(--border-subtle);
}

.instruction-steps li:last-child {
    border-bottom: none;
}

.instruction-steps li strong {
    color: var(--accent-primary);
}

.tip-text {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.65;
}

/* === GRATITUDE SECTION === */
.gratitude-section {
    margin-top: 32px;
    margin-bottom: 16px;
}

.gratitude-card {
    background: linear-gradient(145deg, rgba(52, 211, 153, 0.06) 0%, rgba(129, 140, 248, 0.04) 100%);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid rgba(52, 211, 153, 0.2);
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-success-glow);
    animation: fadeInUp 0.6s var(--ease-premium) forwards;
    opacity: 0;
}

.gratitude-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 200%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(52, 211, 153, 0.1) 0%, transparent 60%);
    pointer-events: none;
    animation: gratitudeGlow 5s ease-in-out infinite;
}

.gratitude-emoji {
    font-size: 3.5rem;
    margin-bottom: 14px;
    animation: celebrationPulse 2s ease-in-out infinite;
    position: relative;
}

.gratitude-title {
    font-size: 1.3rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
    position: relative;
}

.gratitude-text {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.65;
    max-width: 480px;
    margin: 0 auto 18px;
    position: relative;
}

.gratitude-signature {
    color: var(--text-primary);
    font-size: 0.92rem;
    font-weight: 600;
    font-style: italic;
    margin-bottom: 18px;
    position: relative;
}

.gratitude-role {
    color: var(--accent-primary);
    font-size: 0.8rem;
    font-weight: 500;
    font-style: normal;
}

.gratitude-badge {
    display: inline-block;
    background: var(--gradient-success);
    color: #0a0a1a;
    padding: 12px 24px;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 0.92rem;
    position: relative;
    box-shadow: 0 0 25px -5px rgba(52, 211, 153, 0.35);
}

/* === CONVERSION POPUP === */
.conversion-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.conversion-overlay.active {
    display: flex;
}

.conversion-modal {
    background: var(--bg-elevated);
    border: 1px solid rgba(52, 211, 153, 0.25);
    border-radius: 20px;
    padding: 36px 28px;
    max-width: 420px;
    width: 90%;
    text-align: center;
    position: relative;
    box-shadow: 0 0 60px rgba(52, 211, 153, 0.12);
}

.conversion-modal-emoji {
    font-size: 2.8rem;
    margin-bottom: 14px;
}

.conversion-modal-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.conversion-modal-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.conversion-modal-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-success);
    color: #0a0a1a;
    font-weight: 800;
    padding: 12px 24px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s;
    text-decoration: none;
}

.conversion-modal-cta:hover {
    transform: scale(1.04);
    box-shadow: 0 0 25px rgba(52, 211, 153, 0.35);
}

.conversion-modal-skip {
    display: block;
    margin-top: 14px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.75rem;
    text-decoration: underline;
    opacity: 0.6;
}

.conversion-modal-skip:hover {
    opacity: 1;
}

/* === VIEWER MODAL === */
.viewer-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    animation: viewerFadeIn 0.3s ease;
}

.viewer-overlay.active {
    display: flex;
}

.viewer-close {
    position: fixed;
    top: 14px;
    right: 18px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 10001;
}

.viewer-close:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.1);
}

.viewer-content {
    width: 90vw;
    max-width: 900px;
    max-height: 85vh;
    position: relative;
}

.viewer-content iframe {
    width: 100%;
    height: 80vh;
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 80px -20px rgba(0, 0, 0, 0.6);
}

.viewer-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 80px -20px rgba(0, 0, 0, 0.6);
    display: block;
    margin: 0 auto;
}

.viewer-content video,
.viewer-content audio {
    max-width: 100%;
    max-height: 80vh;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 80px -20px rgba(0, 0, 0, 0.6);
    display: block;
    margin: 0 auto;
}

.viewer-content audio {
    width: 100%;
    max-width: 500px;
}

.viewer-toolbar {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 14px;
}

.viewer-toolbar a,
.viewer-toolbar button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    font-family: var(--font-sans);
}

.viewer-toolbar a:hover,
.viewer-toolbar button:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
}

.viewer-download {
    text-align: center;
    padding: 50px 36px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-xl);
    max-width: 400px;
    margin: 0 auto;
}

.viewer-download-icon {
    font-size: 3.5rem;
    margin-bottom: 18px;
    display: block;
    animation: downloadPulse 2s ease-in-out infinite;
}

.viewer-download h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.viewer-download p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.viewer-download a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-cta);
    color: #fff;
    font-weight: 700;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.3s;
}

.viewer-download a:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* === FOOTER === */
.footer-premium {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border-glass);
    padding: 20px;
    text-align: center;
}

.footer-text {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* === FOCUS === */
.btn-open:focus-visible,
.cyber-checkbox:focus-visible,
.product-card:focus-visible,
.upsell-banner:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 3px;
}

/* === HIDDEN === */
.hidden {
    display: none !important;
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .product-card,
    .welcome-card {
        opacity: 1;
    }

    .success-banner,
    .success-emoji,
    .upsell-banner {
        animation: none;
    }
}

/* === RESPONSIVE: TABLET === */
@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    /* Sticky progress on mobile */
    .progress-sticky-wrapper {
        position: sticky;
        top: 0;
        z-index: 90;
        background: linear-gradient(180deg, var(--bg-body) 0%, rgba(6, 6, 18, 0.95) 85%, transparent 100%);
        padding: 8px 0 14px;
        margin: -8px -4px 0;
        padding-left: 4px;
        padding-right: 4px;
    }

    .phase-header {
        padding: 20px 12px 8px;
    }

    .phase-title {
        font-size: 1rem;
    }

    .phase-desc {
        font-size: 0.72rem;
    }

    .method-grid {
        grid-template-columns: 1fr;
    }

    .welcome-card,
    .success-banner {
        padding: 22px;
        border-radius: var(--radius-lg);
    }

    .welcome-title {
        font-size: 1.4rem;
    }

    .success-title {
        font-size: 1.3rem;
    }

    .success-emoji {
        font-size: 2.6rem;
    }

    main {
        padding: 16px;
    }

    .upsell-banner {
        padding: 22px;
    }

    .upsell-title {
        font-size: 1.1rem;
    }

    .header-container {
        flex-wrap: wrap;
    }

    .header-materia {
        width: 100%;
        text-align: left;
        font-size: 0.72rem;
        margin-top: 8px;
        padding-top: 10px;
        border-top: 1px solid var(--border-subtle);
        opacity: 0.85;
        line-height: 1.4;
    }

    .demo-banner {
        padding: 18px 16px;
    }

    .demo-emoji {
        font-size: 2rem;
        margin-bottom: 8px;
    }

    .demo-title {
        font-size: 1.1rem;
    }

    .demo-subtitle {
        font-size: 0.82rem;
        margin-bottom: 12px;
    }

    .demo-badge {
        font-size: 0.7rem;
        padding: 7px 14px;
    }

    .methodology-title {
        font-size: 1.2rem;
    }

    .methodology-subtitle {
        font-size: 0.82rem;
    }

    .method-card {
        padding: 18px;
    }

    .welcome-phrase-enhanced {
        padding: 14px 16px;
        font-size: 0.85rem;
    }

    .instructions-header {
        padding: 14px 16px;
    }

    .instructions-title {
        font-size: 0.88rem;
        gap: 8px;
    }

    .instructions-card.open .instructions-content {
        max-height: 4000px;
        padding: 0 14px 16px;
    }

    .instruction-option {
        padding: 14px;
    }

    .option-header {
        font-size: 0.82rem;
        flex-wrap: wrap;
        margin-bottom: 8px;
    }

    .instruction-steps li {
        font-size: 0.8rem;
        padding: 8px 0;
        line-height: 1.65;
    }

    .tip-text {
        font-size: 0.8rem;
        line-height: 1.55;
    }

    .cta-bottom {
        padding: 24px 18px;
    }

    .cta-title {
        font-size: 1.1rem;
    }

    .cta-subtitle {
        font-size: 0.82rem;
    }

    .kit-features {
        gap: 6px;
    }

    .kit-feature {
        font-size: 0.68rem;
        padding: 5px 10px;
    }

    .gratitude-card {
        padding: 26px 18px;
    }

    .gratitude-emoji {
        font-size: 2.8rem;
    }

    .gratitude-title {
        font-size: 1.1rem;
    }

    .gratitude-text {
        font-size: 0.85rem;
    }

    .gratitude-signature {
        font-size: 0.85rem;
    }

    .gratitude-badge {
        padding: 10px 20px;
        font-size: 0.85rem;
    }

    .viewer-content {
        width: 95vw;
    }

    .viewer-content iframe {
        height: 70vh;
    }

    .viewer-close {
        top: 10px;
        right: 10px;
    }

    .viewer-download {
        padding: 36px 22px;
    }
}

/* === RESPONSIVE: PHONE === */
@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .phase-header {
        padding: 18px 8px 6px;
    }

    .phase-title {
        font-size: 0.92rem;
    }

    .phase-desc {
        font-size: 0.7rem;
    }

    .featured-badge {
        font-size: 0.55rem;
        padding: 3px 10px;
    }

    .card-header {
        padding: 14px;
        gap: 10px;
    }

    .card-icon {
        width: 44px;
        height: 44px;
        min-width: 44px;
        font-size: 1.1rem;
    }

    .card-title {
        font-size: 0.88rem;
        margin-bottom: 2px;
    }

    .card-purpose {
        font-size: 0.76rem;
        color: var(--text-secondary);
    }

    .card-type {
        font-size: 0.58rem;
        padding: 3px 7px;
    }

    .card-footer {
        padding: 10px 14px;
    }

    .btn-open {
        padding: 10px 16px;
        font-size: 0.75rem;
        min-width: 80px;
        min-height: 40px;
    }

    .header-premium {
        padding: 14px 16px;
    }

    /* Kit-demo: ocultar header CTA en móvil (el CTA del fondo es mejor en mobile) */
    .header-cta-btn {
        display: none;
    }

    .header-title {
        font-size: 1.1rem;
    }

    .header-logo {
        gap: 10px;
    }

    .header-logo i {
        font-size: 1.3rem;
    }

    .welcome-card {
        padding: 18px;
    }

    .welcome-title {
        font-size: 1.25rem;
    }

    .welcome-badge {
        font-size: 0.7rem;
        padding: 7px 14px;
    }

    .welcome-phrase-enhanced {
        padding: 12px 14px;
        font-size: 0.82rem;
    }

    .progress-container {
        height: 38px;
    }

    .progress-text {
        font-size: 0.78rem;
    }

    .success-banner {
        padding: 22px 18px;
    }

    .success-title {
        font-size: 1.15rem;
    }

    .success-emoji {
        font-size: 2.4rem;
        margin-bottom: 10px;
    }

    .success-subtitle {
        font-size: 0.85rem;
    }

    .success-badge {
        font-size: 0.78rem;
        padding: 9px 18px;
    }

    .upsell-banner {
        padding: 22px 18px;
    }

    .upsell-title {
        font-size: 1.05rem;
        flex-direction: column;
        gap: 6px;
    }

    .upsell-subtitle {
        font-size: 0.85rem;
    }

    .checkbox-container {
        gap: 6px;
    }

    .cyber-checkbox {
        width: 26px;
        height: 26px;
    }

    .checkbox-label {
        font-size: 0.72rem;
    }

    .methodology-section {
        margin-bottom: 18px;
    }

    .methodology-header {
        margin-bottom: 14px;
    }

    .methodology-label {
        font-size: 0.6rem;
        padding: 5px 12px;
    }

    .methodology-title {
        font-size: 1.1rem;
    }

    .gratitude-card {
        padding: 22px 16px;
    }

    .gratitude-emoji {
        font-size: 2.5rem;
    }

    .gratitude-title {
        font-size: 1rem;
    }
}

/* ============================================================
   KIT-DEMO SPECIFIC OVERRIDES
   (phase-step, phase-name, featured-strip)
   ============================================================ */

/* Phase step pill */
.phase-step {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 9999px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.phase-comprende {
    background: rgba(6, 182, 212, 0.12);
    border: 1px solid rgba(6, 182, 212, 0.25);
    color: var(--cyan);
}

.phase-consolida {
    background: rgba(251, 191, 36, 0.12);
    border: 1px solid rgba(251, 191, 36, 0.25);
    color: #fbbf24;
}

.phase-evalua {
    background: rgba(52, 211, 153, 0.12);
    border: 1px solid rgba(52, 211, 153, 0.25);
    color: #34d399;
}

/* Phase title & description */
.phase-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    margin: 0 0 4px;
}

/* Re-declare phase-desc in case it's missing */
.phase-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: 0;
}

/* Featured strip — shown above card-header for POPULAR cards */
.featured-strip {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.10), rgba(16, 185, 129, 0.10));
    border-bottom: 1px solid rgba(6, 182, 212, 0.20);
    padding: 6px 16px;
    text-align: right;
}

.featured-strip .featured-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(135deg, #06b6d4, #10b981);
    color: #000;
    font-size: 0.6rem;
    font-weight: 800;
    letter-spacing: 0.07em;
    padding: 3px 10px;
    border-radius: 9999px;
    text-transform: uppercase;
    /* Override the absolute positioning from kit-cliente CSS */
    position: static;
    top: auto;
    right: auto;
    box-shadow: 0 2px 6px -2px rgba(6, 182, 212, 0.4);
}