/* ============================================================
   Corfuse Pass — Landing Page Styles
   ============================================================ */

:root {
    --color-primary: #6C3CE1;
    --color-primary-dark: #5228B5;
    --color-primary-light: #EDE5FB;
    --color-accent: #F59E0B;
    --color-dark: #111827;
    --color-text: #374151;
    --color-muted: #6B7280;
    --color-light: #F9FAFB;
    --color-border: #E5E7EB;
    --color-white: #FFFFFF;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.04);
    --shadow-lg: 0 4px 24px rgba(108,60,225,.12);
    --max-width: 1200px;
    --nav-height: 72px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-height); }

body {
    font-family: var(--font);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* --- Layout --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 800px; }

.section { padding: 96px 0; }
.section--light { background: var(--color-light); }
.section--dark { background: var(--color-dark); color: var(--color-white); }
.section--cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 80px 0;
}
.section--cta h2 { color: var(--color-white); font-size: 2rem; margin-bottom: 16px; }
.section--cta p { color: rgba(255,255,255,.85); margin-bottom: 32px; font-size: 1.125rem; }
.section--cta .btn--primary { background: var(--color-white); color: var(--color-primary); }
.section--cta .btn--primary:hover { background: var(--color-primary-light); }

.section__title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-dark);
    text-align: center;
    margin-bottom: 12px;
}
.section--dark .section__title { color: var(--color-white); }
.section__subtitle {
    text-align: center;
    color: var(--color-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 56px;
}
.section--dark .section__subtitle { color: rgba(255,255,255,.7); }

/* --- Buttons --- */
.btn {
    display: inline-block;
    font-family: var(--font);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all .2s;
    border: 2px solid transparent;
    text-align: center;
}
.btn--sm { padding: 8px 20px; font-size: .875rem; }
.btn--lg { padding: 14px 32px; font-size: 1.0625rem; }
.btn--block { display: block; width: 100%; }
.btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}
.btn--primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }
.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn--outline:hover { background: var(--color-primary-light); }
.btn--ghost {
    background: transparent;
    color: var(--color-primary);
}
.btn--ghost:hover { background: var(--color-primary-light); }

/* --- Nav --- */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-height);
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}
.nav__inner {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 32px;
}
.nav__logo { text-decoration: none; font-size: 1.25rem; font-weight: 800; }
.logo-corfuse { color: var(--color-primary); }
.logo-pass { color: var(--color-dark); }
.nav__links {
    display: flex;
    list-style: none;
    gap: 28px;
    margin-left: auto;
    margin-right: 24px;
}
.nav__links a {
    text-decoration: none;
    color: var(--color-text);
    font-size: .9375rem;
    font-weight: 500;
    transition: color .2s;
}
.nav__links a:hover { color: var(--color-primary); }
.nav__hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    margin-left: auto;
}
.nav__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: all .2s;
}

/* --- Hero --- */
.hero {
    padding-top: calc(var(--nav-height) + 64px);
    padding-bottom: 80px;
    background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-white) 100%);
}
.hero__inner {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 64px;
    align-items: center;
}
.hero h1 {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1.15;
    margin-bottom: 20px;
}
.hero__sub {
    font-size: 1.1875rem;
    color: var(--color-muted);
    margin-bottom: 32px;
    max-width: 540px;
}
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.hero__note { font-size: .8125rem; color: var(--color-muted); }

/* Voucher preview card */
.voucher-preview {
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 32px;
    text-align: center;
    position: relative;
    border: 1px solid var(--color-border);
}
.voucher-preview__badge {
    position: absolute;
    top: -12px; right: 20px;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: .75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
}
.voucher-preview__header {
    font-size: .875rem;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 8px;
}
.voucher-preview__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
}
.voucher-preview__value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 4px;
}
.voucher-preview__service {
    color: var(--color-muted);
    margin-bottom: 24px;
}
.voucher-preview__code {
    font-family: monospace;
    font-size: 1rem;
    color: var(--color-dark);
    background: var(--color-light);
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    letter-spacing: .1em;
}
.voucher-preview__qr {
    width: 80px;
    height: 80px;
    background: var(--color-light);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: .875rem;
    color: var(--color-muted);
}
.voucher-preview__valid {
    font-size: .8125rem;
    color: var(--color-muted);
}

/* --- Problems --- */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}
.problem-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 28px;
}
.problem-card__icon { font-size: 2rem; margin-bottom: 12px; }
.problem-card h3 { font-size: 1rem; font-weight: 700; color: var(--color-dark); margin-bottom: 8px; }
.problem-card p { font-size: .9375rem; color: var(--color-muted); }

/* --- Steps --- */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 48px;
    text-align: center;
}
.step__number {
    width: 56px;
    height: 56px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}
.step h3 { font-size: 1.125rem; font-weight: 700; color: var(--color-dark); margin-bottom: 8px; }
.step p { color: var(--color-muted); font-size: .9375rem; }

/* --- Features --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 28px;
    transition: box-shadow .2s;
}
.feature-card:hover { box-shadow: var(--shadow-lg); }
.feature-card__icon { font-size: 2rem; margin-bottom: 12px; }
.feature-card h3 { font-size: 1rem; font-weight: 700; color: var(--color-dark); margin-bottom: 8px; }
.feature-card p { font-size: .9375rem; color: var(--color-muted); }

/* --- Compare Table --- */
.compare-table-wrap { overflow-x: auto; margin-top: 48px; }
.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .9375rem;
}
.compare-table th, .compare-table td {
    padding: 14px 20px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}
.compare-table th {
    font-weight: 700;
    color: var(--color-dark);
    background: var(--color-light);
}
.compare-table__highlight {
    background: var(--color-primary-light) !important;
    color: var(--color-primary-dark);
    font-weight: 600;
}
.compare-table td:nth-child(2) { color: var(--color-muted); }

/* --- Testimonials --- */
.testimonials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 56px;
}
.testimonial {
    border: none;
    padding: 0;
    margin: 0;
}
.testimonial p {
    font-size: 1.0625rem;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 16px;
    color: rgba(255,255,255,.9);
}
.testimonial cite {
    font-style: normal;
    font-size: .875rem;
    color: rgba(255,255,255,.6);
}

.stats-bar {
    display: flex;
    justify-content: center;
    gap: 64px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,.15);
}
.stat { text-align: center; }
.stat__number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-accent);
}
.stat__label {
    font-size: .875rem;
    color: rgba(255,255,255,.6);
}

/* --- Pricing --- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    align-items: start;
}
.pricing-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    position: relative;
}
.pricing-card--popular {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: scale(1.04);
}
.pricing-card__badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: .75rem;
    font-weight: 700;
    padding: 5px 16px;
    border-radius: 20px;
    white-space: nowrap;
}
.pricing-card__name {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 4px;
}
.pricing-card__tagline {
    font-size: .875rem;
    color: var(--color-muted);
    margin-bottom: 20px;
}
.pricing-card__price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 24px;
}
.pricing-card__price span {
    font-size: .875rem;
    font-weight: 500;
    color: var(--color-muted);
}
.pricing-card__features {
    list-style: none;
    text-align: left;
    margin-bottom: 24px;
}
.pricing-card__features li {
    padding: 6px 0;
    font-size: .9375rem;
    color: var(--color-text);
    position: relative;
    padding-left: 24px;
}
.pricing-card__features li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}
.pricing-card__note {
    font-size: .8125rem;
    color: var(--color-muted);
    margin-top: 12px;
}

/* --- 5-column pricing grid --- */
.pricing-grid--5 { grid-template-columns: repeat(5, 1fr); }
.pricing-grid--5 .pricing-card__price { font-size: 1.5rem; }

/* --- Referral banner --- */
.referral-banner {
    margin-top: 40px;
    background: var(--color-primary-light);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-sm);
    padding: 20px 32px;
    text-align: center;
    font-size: .9375rem;
    color: var(--color-primary-dark);
}

/* --- Split section (Pro firmy) --- */
.split-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.split-section__content p { color: var(--color-muted); margin-bottom: 24px; font-size: 1.0625rem; }
.check-list { list-style: none; margin-bottom: 32px; }
.check-list li {
    padding: 6px 0 6px 28px;
    position: relative;
    font-size: .9375rem;
    color: var(--color-text);
}
.check-list li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* Bulk visual */
.bulk-visual { display: flex; align-items: center; justify-content: center; gap: 24px; }
.bulk-visual__stack { position: relative; width: 200px; height: 160px; }
.bulk-visual__card {
    position: absolute;
    width: 180px;
    height: 120px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .875rem;
    color: var(--color-muted);
    box-shadow: var(--shadow);
}
.bulk-visual__card--1 { top: 0; left: 0; z-index: 3; }
.bulk-visual__card--2 { top: 12px; left: 12px; z-index: 2; opacity: .7; }
.bulk-visual__card--3 { top: 24px; left: 24px; z-index: 1; opacity: .4; }
.bulk-visual__count {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
}

/* --- Features 3x3 grid --- */
.features-grid { grid-template-columns: repeat(3, 1fr); }

/* --- Calculator --- */
.calculator {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
}
.calculator__field {
    margin-bottom: 28px;
}
.calculator__field label {
    display: block;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 8px;
}
.calculator__field input[type="range"] {
    width: 100%;
    accent-color: var(--color-primary);
}
.calculator__field output {
    display: block;
    text-align: right;
    font-weight: 700;
    color: var(--color-primary);
    font-size: 1.125rem;
    margin-top: 4px;
}
.calculator__result {
    text-align: center;
    padding-top: 28px;
    border-top: 1px solid var(--color-border);
}
.calculator__result p {
    color: var(--color-muted);
    margin-bottom: 8px;
}
.calculator__amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 24px;
}

/* --- FAQ --- */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.faq-item summary {
    padding: 18px 24px;
    font-weight: 600;
    color: var(--color-dark);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-item summary::after {
    content: "+";
    font-size: 1.25rem;
    color: var(--color-primary);
    font-weight: 700;
    flex-shrink: 0;
    margin-left: 16px;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p {
    padding: 0 24px 18px;
    color: var(--color-muted);
    font-size: .9375rem;
}

/* --- Footer --- */
.footer {
    background: var(--color-dark);
    color: rgba(255,255,255,.6);
    padding: 64px 0 32px;
    font-size: .875rem;
}
.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer__brand p { margin-top: 8px; }
.footer__brand .logo-corfuse { color: rgba(255,255,255,.9); }
.footer__brand .logo-pass { color: rgba(255,255,255,.6); }
.footer__links h4 {
    color: rgba(255,255,255,.9);
    font-size: .875rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.footer__links ul { list-style: none; }
.footer__links li { margin-bottom: 10px; }
.footer__links a {
    color: rgba(255,255,255,.6);
    text-decoration: none;
    transition: color .2s;
}
.footer__links a:hover { color: var(--color-white); }
.footer__bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,.1);
    text-align: center;
    font-size: .8125rem;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
    .hero__inner { grid-template-columns: 1fr; }
    .hero__visual { display: flex; justify-content: center; }
    .pricing-grid, .pricing-grid--5 { grid-template-columns: repeat(2, 1fr); }
    .pricing-card--popular { transform: none; }
    .problems-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials { grid-template-columns: 1fr; }
    .footer__inner { grid-template-columns: 1fr 1fr; }
    .split-section { grid-template-columns: 1fr; }
    .split-section__visual { display: flex; justify-content: center; }
}

@media (max-width: 768px) {
    .section { padding: 64px 0; }
    .section__title { font-size: 1.75rem; }
    .hero h1 { font-size: 2rem; }
    .hero__sub { font-size: 1rem; }
    .steps { grid-template-columns: 1fr; gap: 32px; }
    .features-grid { grid-template-columns: 1fr; }
    .pricing-grid, .pricing-grid--5 { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .stats-bar { flex-wrap: wrap; gap: 32px; }
    .compare-table { font-size: .8125rem; }
    .nav__links { display: none; }
    .nav .btn--sm { display: none; }
    .nav__hamburger { display: flex; }
    .footer__inner { grid-template-columns: 1fr; gap: 32px; }
}

/* Nav mobile open state */
.nav--open .nav__links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 24px;
    gap: 16px;
}