body { color: var(--dark); overflow-x: hidden; }
.mono { font-family: 'JetBrains Mono', monospace; }

/* HERO */
.hero { min-height: calc(100vh - 70px); padding: 120px 40px 80px; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; background: var(--white); }
.hero-bg { position: absolute; inset: 0; z-index: 0; background:radial-gradient(ellipse 80% 60% at 50% -10%, rgba(37, 99, 235, 0.08) 0%, transparent 70%), radial-gradient(ellipse 60% 40% at 90% 50%, rgba(79, 70, 229, 0.06) 0%, transparent 60%), radial-gradient(ellipse 40% 50% at 10% 80%, rgba(6, 182, 212, 0.05) 0%, transparent 60%); }
.hero-grid { position: absolute; inset: 0; z-index: 0; background-image:linear-gradient(rgba(37, 99, 235, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(37, 99, 235, 0.04) 1px, transparent 1px); background-size: 60px 60px; mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%); }
/* Animated waveform */
.hero-wave { position: absolute; bottom: 0; left: 0; right: 0; height: 200px; z-index: 0; overflow: hidden; }
.hero-wave svg { width: 100%; height: 100%; }
.hero-content { position: relative; z-index: 1; max-width: 860px; text-align: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(37, 99, 235, 0.07); border: 1px solid rgba(37, 99, 235, 0.18); border-radius: 100px; padding: 5px 14px; margin-bottom: 32px; font-size: 0.78rem; font-weight: 600; color: var(--blue); letter-spacing: 0.04em; }
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% {opacity: 1 } 50% {opacity: .4 } }

.hero h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 700; line-height: 1.12; letter-spacing: -0.03em; color: var(--dark); margin-bottom: 24px; }
.hero h1 .grad-text { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: 1.05rem; color: var(--slate); max-width: 600px; margin: 0 auto 40px; font-weight: 400; line-height: 1.7; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; }
.btn-primary { background: var(--grad-orange); color: white; border: none; cursor: pointer; padding: 14px 28px; border-radius: 10px; font-size: 0.92rem; font-weight: 600; transition: all .2s; box-shadow: 0 4px 20px rgba(249,115,22,0.28); display: flex; align-items: center; gap: 8px; }
.btn-primary:hover { transform: translateY(-2px); color: #fff; box-shadow: 0 8px 30px rgba(249,115,22, 0.4); }
.btn-secondary { background: var(--white); color: var(--dark); border: 1.5px solid var(--border); cursor: pointer; padding: 14px 28px; border-radius: 10px; font-size: 0.92rem; font-weight: 600; transition: all .2s; display: flex; align-items: center; gap: 8px; }
.btn-secondary:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }
.hero-trust { display: flex; align-items: center; justify-content: center; gap: 20px; flex-wrap: wrap; font-size: 0.78rem; color: var(--muted); font-weight: 500; }
.hero-trust span { display: flex; align-items: center; gap: 5px; }
.trust-sep { color: var(--border); }
/* SECTION COMMONS */
section { padding: 96px 40px; }
.section-inner { max-width: 1320px; margin: 0 auto; }
.section-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue); margin-bottom: 12px; }
.section-title { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 700; letter-spacing: -0.025em; color: var(--dark); margin-bottom: 16px; line-height: 1.2; }
.section-sub { font-size: 1rem; color: var(--muted); max-width: 560px; line-height: 1.7; }
/* TRUST */
.trust-section { background: var(--light); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 64px 16px; }
.trust-header { text-align: center; margin-bottom: 48px; }
.trust-header p { font-size: 0.85rem; color: var(--muted); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; }
.logo-row { display: flex; align-items: center; justify-content: center; gap: 32px; flex-wrap: wrap; margin-bottom: 48px; }
.logo-placeholder { height: 36px; border-radius: 6px; background: linear-gradient(90deg, #E5E7EB, #D1D5DB); display: flex; align-items: center; justify-content: center; padding: 0 24px; opacity: 0.6; font-size: 0.78rem; font-weight: 700; color: #9CA3AF; letter-spacing: 0.06em; min-width: 110px; }
.trust-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.trust-stat { background: white; border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; display: flex; align-items: flex-start; gap: 12px; }
.trust-stat-icon { width: 36px; height: 36px; border-radius: 8px; background: rgba(37, 99, 235, 0.08); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.trust-stat-icon svg { width: 18px; height: 18px; color: var(--blue); }
.trust-stat-text strong { display: block; font-size: 0.9rem; font-weight: 700; color: var(--dark); }
.trust-stat-text span { font-size: 0.78rem; color: var(--muted); }
@media screen and (max-width:768px){
	.logo-row, .trust-stats{ gap: 20px; }
}


/* FEATURES */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; margin-top: 56px; }
.feature-card { background: var(--white); border: 1px solid var(--border); border-radius: 16px; padding: 32px; transition: all .25s; position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .3s; }
.feature-card:hover { box-shadow: 0 8px 40px rgba(37, 99, 235, 0.1); transform: translateY(-4px); border-color: rgba(37, 99, 235, 0.2); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon { width: 48px; height: 48px; border-radius: 12px; background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(79, 70, 229, 0.1)); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.feature-icon svg { width: 24px; height: 24px; }
.features-grid .feature-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.features-grid .feature-card p { font-size: 0.875rem; color: var(--muted); line-height: 1.65; }
.feature-tag { display: inline-block; margin-top: 16px; font-size: 0.72rem; font-weight: 600; color: var(--blue); background: rgba(37, 99, 235, 0.07); border-radius: 4px; padding: 2px 8px; font-family: 'JetBrains Mono', monospace; }

/* HOW IT WORKS */
.hiw-section { background: var(--light); }
.steps-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 56px; position: relative; }
.steps-row::before { content: ''; position: absolute; top: 28px; left: calc(12.5%); right: calc(12.5%); height: 1px; background: linear-gradient(90deg, var(--blue), var(--indigo)); z-index: 0; }
.hiw-section .step { text-align: center; padding: 0 20px; position: relative; z-index: 1; }
.step-num { width: 56px; height: 56px; border-radius: 50%; background: var(--grad); color: white; display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 700; margin: 0 auto 20px; box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3); }
.hiw-section .step h3 { font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.hiw-section .step p { font-size: 0.83rem; color: var(--muted); line-height: 1.6; }

/* ARCHITECTURE */
.arch-section {}
.arch-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; margin-top: 56px; }
.arch-visual { background: var(--light); border: 1px solid var(--border); border-radius: 20px; padding: 32px; position: relative; overflow: hidden; }
.arch-visual-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 80% 20%, rgba(79, 70, 229, 0.06) 0%, transparent 60%); }
.arch-layer { background: white; border: 1px solid var(--border); border-radius: 10px; padding: 14px 18px; margin-bottom: 12px; display: flex; align-items: center; gap: 12px; position: relative; z-index: 1; transition: border-color .2s; }
.arch-layer:hover { border-color: rgba(37, 99, 235, 0.3); }
.arch-layer:last-child { margin-bottom: 0; }
.arch-layer-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.arch-layer-text strong { font-size: 0.84rem; font-weight: 700; color: var(--dark); display: block; }
.arch-layer-text span { font-size: 0.75rem; color: var(--muted); }
.arch-list { list-style: none; }
.arch-section .arch-list li { display: flex; align-items: flex-start; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; color: var(--slate); }
.arch-section .arch-list li:last-child { border-bottom: none; }
.arch-section .arch-list li svg { width: 18px; height: 18px; color: var(--blue); flex-shrink: 0; margin-top: 1px; }
/* DEV EXPERIENCE */
.dev-section { background: var(--dark); color: white; }
.dev-section .section-label { color: var(--cyan); }
.dev-section .section-title { color: white; }
.dev-section .section-sub { color: #94A3B8; }
.dev-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin-top: 56px; }
.code-block { background: #0F172A; border: 1px solid #1E293B; border-radius: 14px; overflow: hidden; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4); }
.code-header { background: #1E293B; padding: 12px 18px; display: flex; align-items: center; gap: 8px; }
.code-dot { width: 10px; height: 10px; border-radius: 50%; }
.code-filename { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: #64748B; margin-left: 8px; }
.code-body { padding: 24px; font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; line-height: 1.8; }
.c-comment { color: #475569; }
.c-key { color: #7DD3FC; }
.c-val { color: #86EFAC; }
.c-str { color: #FCA5A5; }
.c-num { color: #FCD34D; }
.c-fn { color: #C084FC; }
.c-op { color: #94A3B8; }
.dev-features { display: flex; flex-direction: column; gap: 20px; }
.dev-feat { display: flex; align-items: flex-start; gap: 16px; padding: 20px; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 12px; transition: background .2s; }
.dev-feat:hover { background: rgba(255, 255, 255, 0.07); }
.dev-feat-icon { width: 40px; height: 40px; border-radius: 8px; background: rgba(37, 99, 235, 0.2); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.dev-feat-icon svg { width: 20px; height: 20px; color: var(--cyan); }
.dev-section .dev-feat h4 { font-size: 0.9rem; font-weight: 700; color: white; margin-bottom: 4px; }
.dev-section .dev-feat p { font-size: 0.8rem; color: #64748B; }
.btn-outline-light { border: 1.5px solid rgba(255, 255, 255, 0.2); background: transparent; color: white; cursor: pointer; padding: 12px 24px; border-radius: 9px; font-size: 0.87rem; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; margin-top: 32px; transition: all .2s; }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.06); border-color: var(--cyan); color: var(--cyan); }

/* USE CASES */
.usecases-section { background: var(--light); }
.usecases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
.usecase-card { background: white; border: 1px solid var(--border); border-radius: 14px; padding: 28px; transition: all .25s; cursor: default; }
.usecase-card:hover { box-shadow: 0 4px 24px rgba(37, 99, 235, 0.1); transform: translateY(-3px); }
.usecase-card-icon { font-size: 1.6rem; margin-bottom: 16px; }
.usecases-section .usecase-card h3 { font-size: 0.95rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.usecases-section .usecase-card p { font-size: 0.82rem; color: var(--muted); line-height: 1.6; margin: 0; }

/* SECURITY */
.security-section {}

.security-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; margin-top: 56px; }
.security-card { border: 1px solid var(--border); border-radius: 14px; padding: 24px; text-align: center; transition: all .2s; }
.security-card:hover { border-color: rgba(37, 99, 235, 0.3); box-shadow: 0 4px 20px rgba(37, 99, 235, 0.07); }
.security-badge { width: 52px; height: 52px; border-radius: 50%; background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(79, 70, 229, 0.1)); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.security-badge svg { width: 24px; height: 24px; color: var(--blue); }
.security-section .security-card h3 { font-size: 0.9rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.security-section .security-card p { font-size: 0.8rem; color: var(--muted); line-height: 1.6; }

/* METRICS */
.metrics-section { background: var(--light); text-align: center; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; margin-top: 56px; }
.metric-item { background: white; padding: 48px 32px; }
.metric-val { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; letter-spacing: -0.04em; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; display: block; margin-bottom: 8px; }
.metric-label { font-size: 0.85rem; color: var(--muted); font-weight: 500; }
.metrics-section { position: relative; overflow: hidden; }
.metrics-bg-glow { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(37, 99, 235, 0.04) 0%, transparent 70%); }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 20px; overflow: hidden; margin-top: 56px; }
.metric-item { background: white; padding: 44px 20px 36px; display: flex; flex-direction: column; align-items: center; position: relative; transition: background 0.3s; }
.metric-item.counted { background: #FAFBFF; }
.metric-ring-wrap { position: relative; width: 108px; height: 108px; margin-bottom: 18px; }
.metric-ring-svg { width: 108px; height: 108px; transform: rotate(-90deg); }
.metric-ring-bg { fill: none; stroke: #F1F5F9; stroke-width: 6; }
.metric-ring-fill { fill: none; stroke-width: 6; stroke-linecap: round; stroke-dasharray: 270; stroke-dashoffset: 270; transition: stroke-dashoffset 2s cubic-bezier(0.4, 0, 0.2, 1); filter: drop-shadow(0 0 4px rgba(37, 99, 235, 0.35)); }
.metric-ring-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.metric-ring-val { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.04em; line-height: 1; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.metric-ring-label { font-size: 0.62rem; color: var(--muted); font-weight: 600; margin-top: 3px; text-transform: uppercase; letter-spacing: 0.04em; }
.metric-desc { font-size: 0.82rem; color: var(--muted); text-align: center; line-height: 1.5; font-weight: 500; }
.metric-item.counted { animation: metricPop 0.4s ease; }
@keyframes metricPop {
    0% { transform: scale(1) }
	50% { transform: scale(1.015) }
    100% { transform: scale(1) }
}


/* ── TESTIMONIAL / SOCIAL PROOF ── */
.testimonial-strip { background: linear-gradient(135deg, #EEF2FF, #F0F9FF); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 48px 40px; }
.testimonial-inner { max-width: 860px; margin: 0 auto; text-align: center; }
.testimonial-quote { font-size: 1.15rem; font-weight: 500; color: var(--dark); line-height: 1.7; font-style: italic; margin-bottom: 20px; }
.testimonial-quote::before,
.testimonial-quote::after { content: '"'; color: var(--blue); font-style: normal; font-weight: 700; }
.testimonial-author { display: flex; align-items: center; justify-content: center; gap: 12px; }
.testimonial-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--grad); display: flex; align-items: center; justify-content: center; font-size: 0.85rem; font-weight: 700; color: white; }
.testimonial-name strong { display: block; font-size: 0.88rem; color: var(--dark); }
.testimonial-name span { font-size: 0.78rem; color: var(--muted); }




/* FINAL CTA */
.cta-section { background: linear-gradient(135deg, #EEF2FF 0%, #F0F9FF 50%, #F5F3FF 100%); border-top: 1px solid var(--border); text-align: center; }
.cta-section .section-title { margin: 0 auto 16px; }
.cta-section .section-sub { margin: 0 auto 40px; text-align: center; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }
.cta-note { font-size: 0.78rem; color: var(--muted); margin-top: 20px; }
.cta-section { position: relative; overflow: hidden; }
.cta-orb-1 { position: absolute; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%); top: -100px; left: -100px; pointer-events: none; }
.cta-orb-2 { position: absolute; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(79, 70, 229, 0.07) 0%, transparent 70%); bottom: -80px; right: -80px; pointer-events: none; }
.cta-logos { display: flex; align-items: center; justify-content: center; gap: 24px; margin-top: 40px; flex-wrap: wrap; }
.cta-logo-badge { padding: 6px 16px; background: white; border: 1px solid var(--border); border-radius: 8px; font-size: 0.73rem; font-weight: 700; color: #9CA3AF; letter-spacing: 0.06em; }
.cta-guarantee { display: flex; align-items: center; justify-content: center; gap: 24px; margin-top: 24px; flex-wrap: wrap; }
.cta-guarantee span { font-size: 0.78rem; color: var(--muted); display: flex; align-items: center; gap: 5px; }
.cta-guarantee svg { color: #10B981; }


/* ANIMATIONS */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── HOW IT WORKS ANIMATED LINE ── */
.hiw-progress-wrap { position: absolute; top: 28px; left: calc(12.5%); right: calc(12.5%); height: 2px; z-index: 0; background: rgba(37, 99, 235, 0.12); border-radius: 2px; overflow: hidden; }
.hiw-progress-fill { height: 100%; width: 0%; border-radius: 2px; background: linear-gradient(90deg, var(--cyan), var(--blue), var(--indigo)); transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 0 0 8px rgba(37, 99, 235, 0.5); }
.steps-row::before { display: none; }
/* replaced by animated line */
.step-num { transition: transform 0.3s, box-shadow 0.3s; }
.step.active .step-num { transform: scale(1.12); box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.15), 0 4px 20px rgba(37, 99, 235, 0.35); }
/* ── HERO CANVAS WAVEFORM ── */
#hero-canvas { position: absolute; bottom: 0; left: 0; right: 0; z-index: 0; width: 100%; height: 200px; pointer-events: none; opacity: 0.7; }
/* ── HERO FLOATING PARTICLES ── */
.hero-particle { position: absolute; border-radius: 50%; pointer-events: none; animation: floatParticle linear infinite; opacity: 0; }
@keyframes floatParticle {
    0% { transform: translateY(0) scale(0); opacity: 0; }
    15% { opacity: 1; }
    85% { opacity: 0.4; }
    100% { transform: translateY(-60vh) scale(1.8); opacity: 0; }
}

/* ── CRO URGENCY BADGE ── */
.urgency-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(16, 185, 129, 0.08); border: 1px solid rgba(16, 185, 129, 0.25); border-radius: 100px; padding: 4px 12px; font-size: 0.75rem; font-weight: 600; color: #059669; margin-bottom: 16px; }
.urgency-dot { width: 6px; height: 6px; border-radius: 50%; background: #10B981; animation: pulse 1.5s infinite; }
/* ── CTA SECTION ENHANCEMENTS ── */

/* RESPONSIVE */
@media(max-width:900px) {
	.hiw-progress-wrap { display: none; }
    .steps-row { grid-template-columns: 1fr 1fr;  }
    .steps-row::before { display: none; }
    .arch-grid,
    .dev-grid { grid-template-columns: 1fr; }
    .usecases-grid { grid-template-columns: 1fr 1fr; }
    .metrics-grid { grid-template-columns: 1fr 1fr; }
}

@media(max-width:600px) {
	.nav-links { display: none; }
    section { padding: 64px 20px; }
    .hero { padding: 100px 20px 60px; }
    .steps-row { grid-template-columns: 1fr; }
    .usecases-grid { grid-template-columns: 1fr; }
    .metrics-grid { grid-template-columns: 1fr 1fr; }
}









:root { --bf-text-main: var(--dark); --bf-text-muted: var(--muted); --bf-accent: var(--blue); --bf-tab-active-bg: rgba(37, 99, 235, 0.07); --bf-tab-indicator-color: var(--blue); }
.bf-scroll-tabs { padding: 0 !important; background: var(--light); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.bf-section-header { max-width: 70rem; margin: 0 auto; padding: 72px 1.5rem 40px; text-align: center; }
.bf-scroll-container { position: relative; height: 300vh; }
.bf-sticky-section { position: sticky; top: 64px; min-height: 650px; height: calc(100vh - 64px); display: flex; flex-direction: column; }

/* ── TABS NAV ── */
.bf-tabs-nav { background: rgba(248, 250, 252, 0.92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); z-index: 10; position: sticky; top: 64px; }
.bf-tabs-wrapper { max-width: 70rem; margin: 0 auto; display: flex; padding: 0 1.5rem; gap: 4px; }
.bf-tab-button { flex: 1; display: flex; flex-direction: column; align-items: flex-start; gap: 0.25rem; padding: 1rem 1rem 0.85rem; background: none; border: none; cursor: pointer; position: relative; text-align: left; transition: background 0.2s ease; border-radius: 8px 8px 0 0; color: var(--dark); }
.bf-tab-button:hover { background: rgba(37, 99, 235, 0.05) !important; }
.bf-tab-button.bf-active { background: rgba(37, 99, 235, 0.07) !important; }
.bf-tab-name { display: block; font-weight: 700; font-size: 0.9rem; color: var(--dark); transition: color 0.2s; letter-spacing: -0.01em; }
.bf-tab-button.bf-active .bf-tab-name { color: var(--blue); }
.bf-tab-description { display: block; color: var(--muted); font-size: 0.8rem; line-height: 1.5; font-weight: 400; }
.bf-tab-indicator { position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1); border-radius: 2px 2px 0 0; }
.bf-tab-button.bf-active .bf-tab-indicator { transform: scaleX(1); }

/* ── CONTENT AREA ── */
.bf-content-area { flex: 1; position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.bf-content-panel { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; opacity: 0; transform: translateY(16px); transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); pointer-events: none; }
.bf-content-panel.bf-active { opacity: 1; transform: translateY(0); pointer-events: auto; }
.bf-content-inner { max-width: 70rem; width: 100%; padding: 0 1.5rem; }
.bf-content-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.bf-square-img-wrapper { background: white; height: 480px; position: relative; justify-self: center; }
.bf-square-img-wrapper img,
.square-widget-bg { width: 100%; height: 100% !important; object-fit: cover; display: block; border-radius: 16px; object-fit: contain; border-radius: 16px; overflow: hidden; border: 1px solid var(--border); box-shadow: 0 4px 32px rgba(15, 23, 42, 0.08); }
.bf-tab-text.hidden-main { display: none; }
.bf-tab-text.hidden-main .bf-tab-description { font-size: 0.88rem; color: var(--muted); line-height: 1.6; text-align: center; margin-top: 0.75rem; }

/* ── PERSONA LABEL (decorative badge over image) ── */
.bf-persona-badge { position: absolute; top: 20px; left: 20px; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(8px); border: 1px solid var(--border); border-radius: 100px; padding: 6px 14px; font-size: 0.75rem; font-weight: 700; color: var(--dark); display: flex; align-items: center; gap: 6px; box-shadow: 0 2px 12px rgba(15, 23, 42, 0.08); z-index: 2; }
.bf-persona-badge-dot { width: 7px; height: 7px; border-radius: 50%; }

/* DESKTOP: two-column layout with text beside image */
@media screen and (min-width: 1024px) {
	.bf-content-grid { grid-template-columns: 1fr 380px; gap: 3rem; align-items: center; }
	.bf-square-img-wrapper { height: 500px; grid-column: 2; grid-row: 1; }
	.bf-panel-text-col { grid-column: 1; grid-row: 1; }
	.bf-tab-text.hidden-main { display: none !important; }
}

.bf-panel-text-col h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 700; color: var(--dark); letter-spacing: -0.025em; line-height: 1.2; margin-bottom: 16px; }
.bf-panel-text-col p { font-size: 1rem; color: var(--muted); line-height: 1.7; margin-bottom: 24px; }
.bf-panel-bullets { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.bf-panel-bullets li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.88rem; color: var(--slate); line-height: 1.5; }
.bf-panel-bullets li::before { content: ''; width: 18px; height: 18px; border-radius: 50%; background: rgba(37, 99, 235, 0.1); border: 1.5px solid rgba(37, 99, 235, 0.25); flex-shrink: 0; margin-top: 1px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563EB' stroke-width='2.5'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E"); background-size: 11px; background-position: center; background-repeat: no-repeat; }
.bf-panel-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--grad); color: white; border: none; cursor: pointer; padding: 11px 22px; border-radius: 9px; font-size: 0.87rem; font-weight: 600; transition: all 0.2s; box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25); text-decoration: none; }
.bf-panel-cta:hover { transform: translateY(-2px); color: #fff; box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35); }
/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
	.bf-sticky-section { top: 64px; }
	.bf-scroll-container { height: 350vh; }
}
@media (max-width: 768px) {
	.bf-scroll-container { height: auto; }
	.bf-sticky-section { position: static; height: auto; }
	.bf-tabs-wrapper { flex-direction: column; padding: 0 1rem 0.5rem; gap: 2px; }
	.bf-tab-button { padding: 0.75rem 1rem; border-radius: 8px; }
	.bf-tab-name { font-size: 0.95rem; }
	.bf-tab-description { display: none; }
	.bf-content-area { position: relative; min-height: 300px; padding-bottom: 2rem; }
	.bf-content-panel { position: relative; opacity: 1 !important; transform: none !important; display: none; }
	.bf-content-panel.bf-active { display: flex; }
	.bf-tab-text.hidden-main { display: block !important; }
	.bf-section-header { padding: 48px 1.5rem 32px; }
}
@media (max-width: 480px) {
	.bf-tabs-wrapper { padding: 0 0.75rem 0.5rem; }
	.bf-content-inner { padding: 0 0.75rem; }
}
/* hidden-* utility classes */
.hidden-main { display: none !important; }
@media screen and (max-width: 767px) {
	.hidden-small { display: none !important; }
	.hidden-main, .hidden-medium { display: block !important; }
}
@media screen and (max-width: 991px) {
	.hidden-main { display: block !important; }
	.hidden-medium { display: none !important; }
}