/* ============================================================ BABI TONHELA — LAYOUT Header, Footer, Navigation, Hero, Page Layouts, Mobile Menu, Sticky CTA, Dropdowns ============================================================ *//* ================================================================ 1. HEADER ================================================================ */.bt-header{position:sticky;top:0;left:0;right:0;z-index:1000;height:88px;padding-top:var(--space-md);background:rgba(0, 0, 0, 0.6);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255, 255, 255, 0.04);transition:background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);}/* Scrolled state — slightly more opaque with subtle shadow */.bt-header--scrolled{background:rgba(0, 0, 0, 0.85);border-bottom-color:rgba(255, 255, 255, 0.06);box-shadow:0 4px 24px rgba(0, 0, 0, 0.4);}/* Inner container:logo left, nav center, actions right */.bt-header__inner{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:var(--container-wide);margin:0 auto;padding:0 var(--space-lg);}/* ── Logo ── */.bt-header__logo{flex-shrink:0;z-index:2;}/* ── Desktop Navigation (center) ── */.bt-header__nav{display:flex;align-items:center;gap:var(--space-xs);}.bt-header__nav-list{display:flex;align-items:center;gap:var(--space-xs);list-style:none;margin:0;padding:0;}.bt-header__nav-item{position:relative;}.bt-header__nav-link{display:inline-flex;align-items:center;gap:4px;padding:var(--space-sm) var(--space-md);font-family:var(--font-mono);font-size:0.75rem;font-weight:400;text-transform:uppercase;letter-spacing:0.1em;color:var(--bt-silver);text-decoration:none;border-radius:var(--radius-sm);transition:color var(--transition-fast), background-color var(--transition-fast);white-space:nowrap;}.bt-header__nav-link:hover,.bt-header__nav-link:focus-visible{color:var(--bt-white);background:rgba(255, 255, 255, 0.04);}.bt-header__nav-link--active,.bt-header__nav-item--current > .bt-header__nav-link{color:var(--bt-magenta-hot);}/* Dropdown chevron icon */.bt-header__nav-link .bt-icon-chevron{width:10px;height:10px;transition:transform var(--transition-fast);}.bt-header__nav-item:hover .bt-header__nav-link .bt-icon-chevron{transform:rotate(180deg);}/* ── Actions (right side) ── */.bt-header__actions{display:flex;align-items:center;gap:var(--space-sm);flex-shrink:0;z-index:2;}.bt-header__cta{/* Inherits .bt-btn styles — shown via markup */}/* ── Hamburger Toggle (mobile only) ── */.bt-header__toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;padding:0;background:none;border:none;cursor:pointer;z-index:2;}.bt-header__toggle-bar{display:block;width:22px;height:2px;background:var(--bt-white);border-radius:1px;position:relative;transition:background-color var(--transition-fast);}.bt-header__toggle-bar::before,.bt-header__toggle-bar::after{content:'';position:absolute;left:0;width:100%;height:2px;background:var(--bt-white);border-radius:1px;transition:transform var(--transition-base);}.bt-header__toggle-bar::before{top:-7px;}.bt-header__toggle-bar::after{top:7px;}/* Active hamburger — morph to X */.bt-header__toggle--active .bt-header__toggle-bar{background:transparent;}.bt-header__toggle--active .bt-header__toggle-bar::before{top:0;transform:rotate(45deg);}.bt-header__toggle--active .bt-header__toggle-bar::after{top:0;transform:rotate(-45deg);}/* ── Header Responsive ── */@media (max-width:1024px){.bt-header__nav{display:none;}.bt-header__actions .bt-header__cta{display:none;}.bt-header__toggle{display:flex;}}/* ── WordPress Nav Menu Classes ── */.bt-header__menu{display:flex;align-items:center;gap:var(--space-xs);list-style:none;margin:0;padding:0;}.bt-header__menu > li{position:relative;}.bt-header__menu > li > a{display:inline-flex;align-items:center;gap:4px;padding:var(--space-sm) var(--space-md);font-family:var(--font-mono);font-size:0.75rem;font-weight:400;text-transform:uppercase;letter-spacing:0.1em;color:var(--bt-silver);text-decoration:none;border-radius:var(--radius-sm);transition:color var(--transition-fast), background-color var(--transition-fast);white-space:nowrap;}.bt-header__menu > li > a:hover,.bt-header__menu > li > a:focus-visible{color:var(--bt-white);background:rgba(255, 255, 255, 0.04);}.bt-header__menu > li.current-menu-item > a,.bt-header__menu > li.current-menu-ancestor > a{color:var(--bt-magenta-hot);}/* Dropdown submenu (hidden by default) */.bt-header__menu .sub-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);min-width:220px;background:var(--bt-graphite);border:1px solid rgba(255, 255, 255, 0.08);border-radius:var(--radius-md);padding:0.5rem 0;list-style:none;margin:0;opacity:0;visibility:hidden;pointer-events:none;transition:opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;z-index:100;box-shadow:0 8px 32px rgba(0, 0, 0, 0.4);}.bt-header__menu .menu-item-has-children:hover > .sub-menu,.bt-header__menu .menu-item-has-children:focus-within > .sub-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);}.bt-header__menu .sub-menu li a{display:block;padding:0.625rem 1.5rem;font-family:var(--font-body);font-size:0.875rem;font-weight:500;color:var(--bt-fog);text-decoration:none;text-transform:none;letter-spacing:0;transition:color 0.2s, background 0.2s;}.bt-header__menu .sub-menu li a:hover{color:var(--bt-magenta-hot);background:rgba(255, 45, 138, 0.06);}.bt-header__menu .sub-menu .current-menu-item > a{color:var(--bt-magenta-hot);}/* ================================================================ 2. NAVIGATION DROPDOWNS (Desktop) ================================================================ */.bt-dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:220px;padding-top:var(--space-sm);opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);}.bt-dropdown__panel{background:var(--bt-graphite);border:1px solid rgba(255, 255, 255, 0.06);border-radius:var(--radius-md);padding:var(--space-sm) 0;box-shadow:0 16px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.03);}/* Show dropdown on hover / focus-within */.bt-header__nav-item:hover > .bt-dropdown,.bt-header__nav-item:focus-within > .bt-dropdown{opacity:1;visibility:visible;pointer-events:auto;}.bt-dropdown__item{list-style:none;}.bt-dropdown__link{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);font-family:var(--font-body);font-size:0.875rem;color:var(--bt-bone);text-decoration:none;transition:color var(--transition-fast), background-color var(--transition-fast);}.bt-dropdown__link:hover{color:var(--bt-magenta-hot);background:rgba(255, 45, 138, 0.06);}.bt-dropdown__link--active{color:var(--bt-magenta-hot);}.bt-dropdown__desc{font-size:0.75rem;color:var(--bt-smoke);margin-top:2px;}.bt-dropdown__divider{height:1px;background:var(--bt-steel);margin:var(--space-xs) 0;}/* Mega-dropdown variant */.bt-dropdown--mega{min-width:480px;}.bt-dropdown--mega .bt-dropdown__panel{padding:var(--space-lg);}.bt-dropdown--mega .bt-dropdown__grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:var(--space-sm);}.bt-dropdown--mega .bt-dropdown__link{padding:var(--space-sm);border-radius:var(--radius-sm);}/* ================================================================ 3. MOBILE MENU ================================================================ *//* Overlay */.bt-mobile-menu-overlay{position:fixed;inset:0;z-index:998;background:rgba(0, 0, 0, 0.7);opacity:0;visibility:hidden;transition:opacity var(--transition-base), visibility var(--transition-base);}.bt-mobile-menu-overlay--active{opacity:1;visibility:visible;}/* Panel */.bt-mobile-menu{position:fixed;top:0;right:0;z-index:999;width:100%;max-width:380px;height:100vh;height:100dvh;background:var(--bt-carbon);border-left:1px solid rgba(255, 255, 255, 0.06);transform:translateX(100%);transition:transform var(--transition-slow);overflow-y:auto;overscroll-behavior:contain;display:flex;flex-direction:column;}.bt-mobile-menu--active,.bt-mobile-menu.active{transform:translateX(0);}/* Lock body scroll when menu is open */body.bt-menu-open{overflow:hidden;}/* Mobile Menu Header */.bt-mobile-menu__header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg);height:72px;flex-shrink:0;border-bottom:1px solid var(--bt-steel);}.bt-mobile-menu__close{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:none;border:none;cursor:pointer;color:var(--bt-silver);border-radius:var(--radius-sm);transition:color var(--transition-fast), background-color var(--transition-fast);}.bt-mobile-menu__close:hover{color:var(--bt-white);background:rgba(255, 255, 255, 0.06);}.bt-mobile-menu__close svg{width:20px;height:20px;}/* Mobile Menu Navigation */.bt-mobile-menu__nav{flex:1;padding:var(--space-lg);overflow-y:auto;}.bt-mobile-menu__nav-list{list-style:none;margin:0;padding:0;}.bt-mobile-menu__nav-item{border-bottom:1px solid rgba(255, 255, 255, 0.04);}.bt-mobile-menu__nav-link{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) 0;font-family:var(--font-display);font-size:1.125rem;font-weight:600;text-transform:uppercase;letter-spacing:0.02em;color:var(--bt-bone);text-decoration:none;transition:color var(--transition-fast);}.bt-mobile-menu__nav-link:hover{color:var(--bt-magenta-hot);}.bt-mobile-menu__nav-link--active{color:var(--bt-magenta-hot);}/* Mobile sub-menu toggle arrow */.bt-mobile-menu__nav-link .bt-icon-chevron{width:16px;height:16px;color:var(--bt-smoke);transition:transform var(--transition-fast);}.bt-mobile-menu__nav-item--expanded .bt-icon-chevron{transform:rotate(180deg);}/* Mobile sub-menu */.bt-mobile-menu__sub{list-style:none;margin:0;padding:0 0 var(--space-sm) var(--space-md);max-height:0;overflow:hidden;transition:max-height var(--transition-slow);}.bt-mobile-menu__nav-item--expanded .bt-mobile-menu__sub{max-height:500px;}.bt-mobile-menu__sub-link{display:block;padding:var(--space-sm) 0;font-family:var(--font-body);font-size:0.9375rem;color:var(--bt-silver);text-decoration:none;transition:color var(--transition-fast);}.bt-mobile-menu__sub-link:hover{color:var(--bt-magenta-hot);}/* Mobile Menu Footer area */.bt-mobile-menu__footer{flex-shrink:0;padding:var(--space-lg);border-top:1px solid var(--bt-steel);}/* CTA buttons inside mobile menu */.bt-mobile-menu__cta{display:flex;flex-direction:column;gap:var(--space-sm);margin-bottom:var(--space-lg);}.bt-mobile-menu__cta .bt-btn{width:100%;justify-content:center;}/* Social links inside mobile menu */.bt-mobile-menu__social{display:flex;align-items:center;justify-content:center;gap:var(--space-md);}.bt-mobile-menu__social .bt-social__link{width:40px;height:40px;}/* Mobile menu meta text (e.g. email / phone) */.bt-mobile-menu__meta{margin-top:var(--space-md);text-align:center;font-family:var(--font-mono);font-size:0.6875rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--bt-smoke);}.bt-mobile-menu__meta a{color:var(--bt-silver);text-decoration:none;transition:color var(--transition-fast);}.bt-mobile-menu__meta a:hover{color:var(--bt-magenta-hot);}/* ── WordPress Menu Classes in Mobile Menu ── */.bt-mobile-menu__list{list-style:none;margin:0;padding:0;}.bt-mobile-menu__list > li{border-bottom:1px solid rgba(255, 255, 255, 0.04);}.bt-mobile-menu__list > li > a{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) 0;font-family:var(--font-display);font-size:1.125rem;font-weight:600;text-transform:uppercase;letter-spacing:0.02em;color:var(--bt-bone);text-decoration:none;transition:color var(--transition-fast);}.bt-mobile-menu__list > li > a:hover{color:var(--bt-magenta-hot);}.bt-mobile-menu__list > li.current-menu-item > a{color:var(--bt-magenta-hot);}.bt-mobile-menu__list .sub-menu{list-style:none;margin:0;padding:0 0 var(--space-sm) var(--space-md);}.bt-mobile-menu__list .sub-menu a{display:block;padding:var(--space-sm) 0;font-family:var(--font-body);font-size:0.9375rem;color:var(--bt-silver);text-decoration:none;transition:color var(--transition-fast);}.bt-mobile-menu__list .sub-menu a:hover{color:var(--bt-magenta-hot);}/* ================================================================ 4. FOOTER ================================================================ */.bt-footer{background:var(--bt-void);border-top:1px solid rgba(255, 255, 255, 0.04);}/* ── Main footer content ── */.bt-footer__main{padding:var(--space-4xl) 0;}.bt-footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:var(--space-3xl);max-width:var(--container-wide);margin:0 auto;padding:0 var(--space-lg);}/* ── Brand column ── */.bt-footer__brand{/* First column — wider */}.bt-footer__brand .bt-logo{margin-bottom:var(--space-lg);}.bt-footer__tagline{color:var(--bt-smoke);font-size:0.9375rem;line-height:1.7;margin-bottom:var(--space-xl);max-width:280px;}.bt-footer__brand .bt-social{margin-top:var(--space-md);}/* ── Footer Top (brand + columns grid) ── */.bt-footer__top{display:grid;grid-template-columns:1.5fr 3fr;gap:var(--space-3xl);padding:var(--space-4xl) 0;}/* ── Footer Columns Grid ── */.bt-footer__columns{display:grid;grid-template-columns:repeat(4, 1fr);gap:var(--space-xl);}/* ── Footer Column ── */.bt-footer__col-title{font-family:var(--font-mono);font-size:0.6875rem;font-weight:400;text-transform:uppercase;letter-spacing:0.15em;color:var(--bt-silver);margin-bottom:var(--space-lg);}@media (max-width:1024px){.bt-footer__top{grid-template-columns:1fr;gap:var(--space-2xl);}.bt-footer__columns{grid-template-columns:repeat(2, 1fr);}}@media (max-width:640px){.bt-footer__top{padding:var(--space-3xl) 0;}.bt-footer__columns{grid-template-columns:1fr;gap:var(--space-xl);}.bt-footer__col{text-align:center;}}/* ── Link columns ── */.bt-footer__column{/* Individual link columns */}.bt-footer__heading{font-family:var(--font-mono);font-size:0.6875rem;font-weight:400;text-transform:uppercase;letter-spacing:0.15em;color:var(--bt-silver);margin-bottom:var(--space-lg);}.bt-footer__links{list-style:none;margin:0;padding:0;}.bt-footer__links li{margin-bottom:var(--space-sm);}.bt-footer__links a{font-size:0.9375rem;color:var(--bt-smoke);text-decoration:none;transition:color var(--transition-fast);}.bt-footer__links a:hover{color:var(--bt-magenta-hot);}/* ── Newsletter in footer (optional) ── */.bt-footer__newsletter{margin-top:var(--space-xl);}.bt-footer__newsletter p{font-size:0.875rem;color:var(--bt-smoke);margin-bottom:var(--space-md);}/* ── Bottom bar ── */.bt-footer__bottom{border-top:1px solid rgba(255, 255, 255, 0.06);padding:var(--space-lg) 0;text-align:center;}.bt-footer__bottom p{text-align:center;width:100%;}.bt-footer__bottom-inner{display:flex;align-items:center;justify-content:center;text-align:center;flex-wrap:wrap;gap:var(--space-md);max-width:var(--container-wide);margin:0 auto;padding:0 var(--space-lg);}.bt-footer__copyright{font-family:var(--font-mono);font-size:0.6875rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--bt-smoke);}.bt-footer__legal{display:flex;align-items:center;gap:var(--space-lg);list-style:none;margin:0;padding:0;}.bt-footer__legal a{font-family:var(--font-mono);font-size:0.6875rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--bt-smoke);text-decoration:none;transition:color var(--transition-fast);}.bt-footer__legal a:hover{color:var(--bt-magenta-hot);}/* ── Footer Responsive:Tablet ── */@media (max-width:1024px){.bt-footer__grid{grid-template-columns:1fr 1fr;gap:var(--space-2xl);}.bt-footer__brand{grid-column:1 / -1;}.bt-footer__tagline{max-width:100%;}}/* ── Footer Responsive:Mobile ── */@media (max-width:640px){.bt-footer__main{padding:var(--space-3xl) 0;}.bt-footer__grid{grid-template-columns:1fr;gap:var(--space-xl);}.bt-footer__brand{grid-column:auto;text-align:center;}.bt-footer__tagline{margin-left:auto;margin-right:auto;}.bt-footer__brand .bt-social{justify-content:center;}.bt-footer__brand .bt-logo{justify-content:center;}.bt-footer__column{text-align:center;}.bt-footer__bottom-inner{flex-direction:column;text-align:center;}.bt-footer__legal{justify-content:center;}}/* ================================================================ 5. STICKY CTA BAR (mobile, appears on scroll) ================================================================ */.bt-sticky-cta{position:fixed;bottom:0;left:0;right:0;z-index:900;background:rgba(0, 0, 0, 0.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid rgba(255, 45, 138, 0.15);padding:var(--space-sm) var(--space-lg);transform:translateY(100%);transition:transform var(--transition-base);display:none;}.bt-sticky-cta--visible{transform:translateY(0);}.bt-sticky-cta__inner{display:flex;align-items:center;justify-content:center;gap:var(--space-md);max-width:var(--container-max);margin:0 auto;}.bt-sticky-cta__text{font-family:var(--font-mono);font-size:0.6875rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--bt-silver);white-space:nowrap;display:none;}.bt-sticky-cta .bt-btn{flex:1;max-width:320px;}/* Only show on mobile-sized screens */@media (max-width:1024px){.bt-sticky-cta{display:block;}.bt-sticky-cta__text{display:none;}}@media (max-width:640px){.bt-sticky-cta .bt-btn{width:100%;max-width:none;}}/* When sticky CTA is visible, adjust scroll-to-top button position */.bt-sticky-cta--visible ~ .bt-scroll-top{bottom:calc(var(--space-xl) + 60px);}/* ================================================================ 6. HERO SECTIONS ================================================================ */.bt-hero{position:relative;display:flex;align-items:center;min-height:auto;background:var(--bt-void);overflow:hidden;}/* Dark background gradients */.bt-hero::before{content:'';position:absolute;inset:0;background:var(--bt-grad-dark-depth);z-index:0;}/* Optional scanline overlay — add .bt-hero--scanlines */.bt-hero--scanlines::after{content:'';position:absolute;inset:0;background:repeating-linear-gradient( 0deg, transparent, transparent 2px, rgba(255, 255, 255, 0.01) 2px, rgba(255, 255, 255, 0.01) 4px );pointer-events:none;z-index:2;}/* Optional grain overlay — add .bt-hero--grain */.bt-hero--grain .bt-hero__grain{position:absolute;inset:0;opacity:0.04;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");pointer-events:none;z-index:2;}/* Hero grid container (used in front-page.php and page templates) */.bt-hero__grid{position:relative;z-index:3;display:grid;grid-template-columns:1.1fr 0.9fr;align-items:center;gap:var(--space-3xl);width:100%;max-width:var(--container-wide);margin:0 auto;padding:var(--space-2xl) var(--space-lg) var(--space-2xl);}.bt-hero__photo{position:relative;background:none;background-color:transparent;border:none;border-radius:0;box-shadow:none;outline:none;overflow:visible;padding:0;margin:0;filter:none;}.bt-hero__photo img{width:100%;height:auto;display:block;object-fit:contain;background:none;background-color:transparent;border:none;border-radius:0;box-shadow:none;outline:none;filter:none;mix-blend-mode:normal;}.bt-hero__photo::before,.bt-hero__photo::after{content:none;display:none;}@media (max-width:1024px){.bt-hero__grid{grid-template-columns:1fr;text-align:center;justify-items:center;gap:var(--space-2xl);}.bt-hero__grid .bt-hero__visual{order:-1;max-width:400px;}.bt-hero__grid .bt-hero__actions{justify-content:center;}}@media (max-width:640px){.bt-hero__grid{padding:var(--space-2xl) var(--space-lg);}.bt-hero__grid .bt-hero__actions{flex-direction:column;width:100%;}.bt-hero__grid .bt-hero__actions .bt-btn{width:100%;}}/* ================================================================ 6b. ABOUT GRID (front-page mini bio) ================================================================ */.bt-about-grid{display:grid;grid-template-columns:0.9fr 1.1fr;align-items:center;gap:var(--space-3xl);}.bt-about-grid__photo{position:relative;border-radius:var(--radius-lg);overflow:hidden;}.bt-about-grid__photo img{width:100%;height:auto;display:block;filter:contrast(1.15) saturate(0.8) brightness(0.95);border-radius:4px;box-shadow:0 0 40px rgba(138, 20, 87, 0.15);}.bt-about-grid__content h2{margin-bottom:var(--space-lg);}.bt-about-grid__content p{color:var(--bt-silver);font-size:1rem;line-height:1.7;}.bt-about-grid__content .bt-btn{margin-top:var(--space-lg);}@media (max-width:1024px){.bt-about-grid{grid-template-columns:1fr;gap:var(--space-2xl);text-align:center;}.bt-about-grid__photo{max-width:400px;margin:0 auto;}}/* Hero inner container */.bt-hero__inner{position:relative;z-index:3;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:var(--space-3xl);width:100%;max-width:var(--container-wide);margin:0 auto;padding:var(--space-2xl) var(--space-lg) var(--space-2xl);}/* ── Hero Content ── */.bt-hero__content{max-width:600px;}.bt-hero__badge{margin-bottom:var(--space-lg);}.bt-hero__title{font-family:var(--font-display);font-weight:800;font-size:clamp(1.5rem, 3.5vw, 2.5rem);text-transform:uppercase;letter-spacing:-0.03em;line-height:1.15;color:var(--bt-white);margin-bottom:var(--space-lg);word-break:normal;overflow-wrap:normal;hyphens:none;word-break:normal;overflow-wrap:normal;hyphens:none;}.bt-hero__title .bt-accent{color:var(--bt-magenta-hot);}.bt-hero__title .bt-accent--gradient{background:var(--bt-grad-chromatic);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}.bt-hero__subtitle{font-size:1.125rem;line-height:1.7;color:var(--bt-silver);margin-bottom:var(--space-xl);max-width:480px;}/* CTA button group */.bt-hero__actions{display:flex;align-items:center;gap:var(--space-md);flex-wrap:wrap;}/* Social proof or stats beneath CTAs */.bt-hero__proof{margin-top:var(--space-2xl);display:flex;align-items:center;gap:var(--space-xl);}.bt-hero__stat{text-align:left;}.bt-hero__stat-number{font-family:var(--font-display);font-size:1.5rem;font-weight:800;color:var(--bt-white);line-height:1.2;}.bt-hero__stat-label{font-family:var(--font-mono);font-size:0.6875rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--bt-smoke);}/* ── Hero Visual ── */.bt-hero__visual{position:relative;display:flex;align-items:center;justify-content:center;}.bt-hero__image{position:relative;width:100%;max-width:520px;border-radius:0;overflow:visible;background:transparent;}.bt-hero__image img{width:100%;height:auto;display:block;background:transparent;}/* Decorative glow removed — transparent PNGs need clean background */.bt-hero__visual::before{content:none;display:none;}/* ── Hero Variants ── *//* Centered hero (no visual column) */.bt-hero--centered .bt-hero__inner{grid-template-columns:1fr;text-align:center;justify-items:center;}.bt-hero--centered .bt-hero__content{max-width:720px;}.bt-hero--centered .bt-hero__subtitle{margin-left:auto;margin-right:auto;}.bt-hero--centered .bt-hero__actions{justify-content:center;}.bt-hero--centered .bt-hero__proof{justify-content:center;}/* Compact hero (not full viewport) */.bt-hero--compact{min-height:auto;padding:var(--space-2xl) 0 var(--space-2xl);}.bt-hero--compact .bt-hero__inner{padding-top:0;}/* ── Hero Responsive ── */@media (max-width:1024px){.bt-hero__inner{grid-template-columns:1fr;text-align:center;justify-items:center;gap:var(--space-2xl);}.bt-hero__content{max-width:600px;}.bt-hero__subtitle{margin-left:auto;margin-right:auto;}.bt-hero__actions{justify-content:center;}.bt-hero__proof{justify-content:center;}.bt-hero__visual{order:-1;max-width:400px;}}@media (max-width:768px){.bt-hero{min-height:auto;padding-top:0;}.bt-hero__inner{padding:var(--space-xl) var(--space-lg);}.bt-hero__title{font-size:clamp(1.25rem, 5vw, 1.75rem);}.bt-hero__proof{flex-direction:column;gap:var(--space-md);}.bt-hero__stat{text-align:center;}}@media (max-width:640px){.bt-hero__inner{padding:var(--space-2xl) var(--space-lg);}.bt-hero__actions{flex-direction:column;width:100%;}.bt-hero__actions .bt-btn{width:100%;}}/* ================================================================ 7. PAGE LAYOUTS ================================================================ *//* ── Generic page wrapper ── */.bt-page{padding-top:72px;/* Account for sticky header height */}/* ── Breadcrumbs ── */.bt-breadcrumbs{padding:var(--space-lg) 0;border-bottom:1px solid rgba(255, 255, 255, 0.04);background:var(--bt-ink);}.bt-breadcrumbs__list{display:flex;align-items:center;gap:var(--space-sm);list-style:none;margin:0;padding:0;max-width:var(--container-wide);margin:0 auto;padding:0 var(--space-lg);flex-wrap:wrap;}.bt-breadcrumbs__item{display:inline-flex;align-items:center;gap:var(--space-sm);font-family:var(--font-mono);font-size:0.6875rem;text-transform:uppercase;letter-spacing:0.1em;}.bt-breadcrumbs__item a{color:var(--bt-smoke);text-decoration:none;transition:color var(--transition-fast);}.bt-breadcrumbs__item a:hover{color:var(--bt-magenta-hot);}.bt-breadcrumbs__item--current{color:var(--bt-silver);}.bt-breadcrumbs__separator{color:var(--bt-ash);font-size:0.625rem;}/* ── Page header (title area below breadcrumbs) ── */.bt-page-header{padding:var(--space-3xl) 0;background:var(--bt-void);border-bottom:1px solid rgba(255, 255, 255, 0.04);}.bt-page-header__inner{max-width:var(--container-max);margin:0 auto;padding:0 var(--space-lg);}.bt-page-header__title{font-family:var(--font-display);font-weight:800;font-size:clamp(1.6rem, 3.5vw, 2.4rem);text-transform:uppercase;letter-spacing:-0.02em;color:var(--bt-white);margin-bottom:var(--space-sm);word-wrap:break-word;overflow-wrap:break-word;}.bt-page-header__desc{font-size:1.0625rem;color:var(--bt-silver);line-height:1.7;max-width:600px;}/* ── Generic page content area ── */.bt-page-content{max-width:var(--container-max);margin:0 auto;padding:var(--space-3xl) var(--space-lg);}.bt-page-content--narrow{max-width:var(--container-narrow);}/* ── Two-column blog layout ── */.bt-layout-blog{display:grid;grid-template-columns:2fr 1fr;gap:var(--space-3xl);max-width:var(--container-wide);margin:0 auto;padding:var(--space-3xl) var(--space-lg);align-items:start;}.bt-layout-blog__main{min-width:0;/* Prevent overflow in grid */}.bt-layout-blog__sidebar{position:sticky;top:calc(72px + var(--space-xl));min-width:0;}/* ── Sidebar widgets ── */.bt-sidebar-widget{background:var(--bt-graphite);border:1px solid rgba(255, 255, 255, 0.06);border-radius:var(--radius-md);padding:var(--space-xl);margin-bottom:var(--space-xl);}.bt-sidebar-widget__title{font-family:var(--font-mono);font-size:0.6875rem;font-weight:400;text-transform:uppercase;letter-spacing:0.15em;color:var(--bt-silver);margin-bottom:var(--space-lg);padding-bottom:var(--space-sm);border-bottom:1px solid var(--bt-steel);}/* ── Blog responsive ── */@media (max-width:1024px){.bt-layout-blog{grid-template-columns:1fr;gap:var(--space-2xl);}.bt-layout-blog__sidebar{position:static;}}/* ── Post list / archive grid ── */.bt-post-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:var(--space-xl);}@media (max-width:768px){.bt-post-grid{grid-template-columns:1fr;}}/* ── Full-width page layout ── */.bt-layout-full{max-width:var(--container-wide);margin:0 auto;padding:var(--space-3xl) var(--space-lg);}/* ── Narrow content layout (for single posts, legal pages) ── */.bt-layout-narrow{max-width:var(--container-narrow);margin:0 auto;padding:var(--space-3xl) var(--space-lg);}/* ================================================================ 8. UTILITY:BODY STATES / ANIMATION HELPERS ================================================================ *//* When mobile menu is open, prevent scrolling */body.bt-no-scroll{overflow:hidden;position:fixed;width:100%;}/* Spacer element to push content below sticky header */.bt-header-spacer{height:88px;}/* Fade-in animation for page sections (used with JS IntersectionObserver) */.bt-reveal{opacity:0;transform:translateY(24px);transition:opacity 0.6s ease, transform 0.6s ease;}.bt-reveal--visible{opacity:1;transform:translateY(0);}/* Stagger delay helpers */.bt-reveal--delay-1{transition-delay:100ms;}.bt-reveal--delay-2{transition-delay:200ms;}.bt-reveal--delay-3{transition-delay:300ms;}.bt-reveal--delay-4{transition-delay:400ms;}/* Skip-to-content link (a11y) */.bt-skip-link{position:absolute;top:-100%;left:var(--space-lg);z-index:10000;padding:var(--space-sm) var(--space-md);background:var(--bt-magenta-hot);color:var(--bt-white);font-family:var(--font-mono);font-size:0.75rem;text-transform:uppercase;letter-spacing:0.1em;text-decoration:none;border-radius:0 0 var(--radius-sm) var(--radius-sm);transition:top var(--transition-fast);}.bt-skip-link:focus{top:0;}/* ================================================================ 9. RESPONSIVE UTILITY CLASSES ================================================================ *//* Hide on tablet and below (≤1024px) */@media (max-width:1024px){.bt-hide-tablet{display:none !important;}}/* Show only on tablet (641px–1024px) */.bt-show-tablet-only{display:none !important;}@media (min-width:641px) and (max-width:1024px){.bt-show-tablet-only{display:block !important;}}/* Hide on mobile (≤640px) */@media (max-width:640px){.bt-hide-mobile{display:none !important;}}/* Show only on mobile (≤640px) */.bt-show-mobile-only{display:none !important;}@media (max-width:640px){.bt-show-mobile-only{display:block !important;}}/* Hide on desktop (>1024px) */@media (min-width:1025px){.bt-hide-desktop{display:none !important;}}/* ================================================================ 10. PRINT STYLES ================================================================ */@media print{.bt-header, .bt-footer, .bt-mobile-menu, .bt-mobile-menu-overlay, .bt-sticky-cta, .bt-scroll-top, .bt-progress{display:none !important;}.bt-page{padding-top:0;}.bt-hero{min-height:auto;padding:2rem 0;}body{color:#000;background:#fff;}}/* ================================================================ 11. BOOKS HOME GRID (3-column layout) ================================================================ */.bt-livros-home-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:var(--space-xl);justify-items:center;margin-top:var(--space-2xl);}.bt-livro-home-card{display:flex;flex-direction:column;align-items:center;text-align:center;text-decoration:none;gap:var(--space-sm);padding:var(--space-lg);border-radius:var(--radius-md);border:1px solid rgba(255, 255, 255, 0.06);background:rgba(255, 255, 255, 0.02);transition:transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);}.bt-livro-home-card:hover{transform:translateY(-4px);border-color:rgba(233, 30, 140, 0.3);box-shadow:0 8px 32px rgba(233, 30, 140, 0.1);}.bt-livro-home-card img{width:220px;height:auto;object-fit:cover;border-radius:4px;filter:drop-shadow(0 4px 16px rgba(0, 0, 0, 0.4));}.bt-livro-home-card__title{font-family:var(--font-display);font-size:0.9rem;font-weight:700;color:var(--bt-white);line-height:1.3;}.bt-livro-home-card__price{font-family:var(--font-mono);font-size:0.8rem;color:var(--bt-magenta-hot);}@media (max-width:1024px){.bt-livros-home-grid{grid-template-columns:repeat(2, 1fr);}}@media (max-width:640px){.bt-livros-home-grid{grid-template-columns:1fr;max-width:320px;margin-left:auto;margin-right:auto;}}/* ================================================================ 12. NEXIALISTA BOOK HIGHLIGHT SECTION ================================================================ */.bt-nexialista-highlight{display:grid;grid-template-columns:auto 1fr;gap:var(--space-3xl);align-items:center;padding:var(--space-3xl);border-radius:var(--radius-lg);border:1px solid rgba(45, 212, 191, 0.25);background:linear-gradient(135deg, rgba(45, 212, 191, 0.04) 0%, rgba(30, 30, 46, 0.8) 100%);position:relative;overflow:hidden;margin-top:var(--space-3xl);}.bt-nexialista-highlight::before{content:'';position:absolute;top:-50%;right:-20%;width:400px;height:400px;background:radial-gradient(circle, rgba(45, 212, 191, 0.06) 0%, transparent 70%);pointer-events:none;}.bt-nexialista-highlight__badge{position:absolute;top:1.5rem;right:1.5rem;background:#2dd4bf;color:#000;font-family:var(--font-display);font-weight:700;font-size:0.65rem;text-transform:uppercase;letter-spacing:0.1em;padding:0.3rem 0.85rem;border-radius:100px;}.bt-nexialista-highlight__cover img{width:300px;height:auto;border-radius:6px;filter:drop-shadow(0 8px 32px rgba(45, 212, 191, 0.2));}.bt-nexialista-highlight__content h3{font-family:var(--font-display);font-size:1.75rem;font-weight:800;color:var(--bt-white);margin-bottom:var(--space-md);}.bt-nexialista-highlight__content h3 span{color:#2dd4bf;}.bt-nexialista-highlight__content p{color:var(--bt-silver);font-size:1rem;line-height:1.7;margin-bottom:var(--space-md);}.bt-nexialista-highlight__actions{display:flex;gap:var(--space-md);flex-wrap:wrap;margin-top:var(--space-lg);}@media (max-width:768px){.bt-nexialista-highlight{grid-template-columns:1fr;text-align:center;justify-items:center;padding:var(--space-2xl) var(--space-lg);}.bt-nexialista-highlight__cover img{width:220px;}.bt-nexialista-highlight__actions{justify-content:center;}}/* ================================================================ 13. FOOTER — BOLD & LEGIBLE TEXT ================================================================ */.bt-footer__col-title,.bt-footer__heading{font-weight:700;color:var(--bt-bone);font-size:0.75rem;}.bt-footer__links a{font-weight:600;color:var(--bt-fog);font-size:0.9375rem;}.bt-footer__tagline{font-weight:600;color:var(--bt-fog);}.bt-footer__copyright{font-weight:600;color:var(--bt-fog);}.bt-footer__legal a{font-weight:600;color:var(--bt-fog);}.bt-footer__bottom p{font-weight:600;color:var(--bt-fog);font-size:0.8125rem;}/* ================================================================ 14. SERVICE CARDS — ALIGNED BUTTONS ================================================================ */.bt-card--service.bt-card--expanded{display:flex;flex-direction:column;height:100%;}.bt-card--service.bt-card--expanded .bt-card__desc{flex:1;}.bt-card--service.bt-card--expanded .bt-btn{margin-top:auto;}.bt-grid.bt-grid--3{align-items:stretch;}/* ================================================================ 15. FOOTER BOOKS BANNER — CENTERED ================================================================ */.bt-footer-livros-banner{text-align:center;padding:var(--space-2xl) var(--space-lg);background:var(--bt-ink);border-top:1px solid rgba(255, 255, 255, 0.04);border-bottom:1px solid rgba(255, 255, 255, 0.04);}.bt-footer-livros-banner__title{font-family:var(--font-display);font-weight:700;font-size:1.25rem;color:var(--bt-white);margin-bottom:var(--space-sm);}.bt-footer-livros-banner__desc{font-size:0.875rem;color:var(--bt-silver);margin-bottom:var(--space-lg);}.bt-footer-livros-banner .bt-btn{display:inline-block;margin:0 auto;}/* ================================================================ 16. EXIT INTENT POPUP ================================================================ */.bt-exit-popup{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;background:rgba(0, 0, 0, 0.75);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);opacity:0;visibility:hidden;pointer-events:none;transition:opacity 0.3s ease, visibility 0.3s ease;}.bt-exit-popup.active{opacity:1;visibility:visible;pointer-events:auto;}.bt-exit-popup__card{background:#1a1a2e;border:1px solid rgba(233, 30, 140, 0.2);border-radius:var(--radius-lg);padding:var(--space-3xl);max-width:480px;width:90%;text-align:center;position:relative;box-shadow:0 24px 64px rgba(0, 0, 0, 0.5);}.bt-exit-popup__close{position:absolute;top:1rem;right:1rem;background:none;border:none;color:var(--bt-smoke);font-size:1.5rem;cursor:pointer;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:color var(--transition-fast), background var(--transition-fast);}.bt-exit-popup__close:hover{color:var(--bt-white);background:rgba(255, 255, 255, 0.1);}.bt-exit-popup__title{font-family:var(--font-display);font-size:1.5rem;font-weight:800;color:var(--bt-white);margin-bottom:var(--space-md);}.bt-exit-popup__desc{font-size:1rem;color:var(--bt-silver);line-height:1.6;margin-bottom:var(--space-sm);}.bt-exit-popup__sub{font-size:0.875rem;color:var(--bt-smoke);margin-bottom:var(--space-xl);}.bt-exit-popup__dismiss{display:inline-block;margin-top:var(--space-md);background:none;border:none;color:var(--bt-smoke);font-family:var(--font-body);font-size:0.875rem;cursor:pointer;transition:color var(--transition-fast);}.bt-exit-popup__dismiss:hover{color:var(--bt-silver);}/* ================================================================ 17. BOOKS PAGE — 3-COLUMN GRID FOR EDITORIAL LINES ================================================================ */.bt-book-card{display:grid;grid-template-columns:280px 1fr;gap:var(--space-2xl);align-items:start;padding:var(--space-2xl);border:1px solid rgba(255, 255, 255, 0.06);border-radius:var(--radius-md);background:rgba(255, 255, 255, 0.02);margin-bottom:var(--space-xl);transition:border-color var(--transition-fast);}.bt-book-card:hover{border-color:rgba(233, 30, 140, 0.2);}.bt-book-card__cover img{width:100%;height:auto;border-radius:4px;filter:drop-shadow(0 4px 16px rgba(0, 0, 0, 0.3));}.bt-book-card__title{font-family:var(--font-display);font-size:1.5rem;font-weight:800;color:var(--bt-white);margin-bottom:var(--space-sm);}.bt-book-card__promessa{color:var(--bt-silver);font-size:1rem;line-height:1.6;margin-bottom:var(--space-sm);}.bt-book-card__publico{font-family:var(--font-mono);font-size:0.8rem;color:var(--bt-smoke);margin-bottom:var(--space-md);}.bt-book-card__actions{display:flex;gap:var(--space-md);flex-wrap:wrap;}/* Books editorial line grid */.bt-books-line-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:var(--space-xl);}.bt-books-line-grid .bt-book-card{grid-template-columns:1fr;margin-bottom:0;}.bt-books-line-grid .bt-book-card__cover img{width:200px;margin:0 auto;display:block;}@media (max-width:1024px){.bt-books-line-grid{grid-template-columns:repeat(2, 1fr);}.bt-book-card{grid-template-columns:200px 1fr;}}@media (max-width:768px){.bt-books-line-grid{grid-template-columns:1fr;}.bt-book-card{grid-template-columns:1fr;text-align:center;}.bt-book-card__cover img{margin:0 auto;max-width:200px;}.bt-book-card__actions{justify-content:center;}}/* ================================================================ 18. QUIZ CARDS — IMPROVED LAYOUT ================================================================ */.bt-quiz-card{display:flex;align-items:center;gap:var(--space-lg);padding:var(--space-lg);border:1px solid rgba(255, 255, 255, 0.06);border-radius:12px;background:rgba(255, 255, 255, 0.02);text-decoration:none;transition:transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);}.bt-quiz-card:hover{transform:translateY(-2px);border-color:rgba(233, 30, 140, 0.25);box-shadow:0 4px 20px rgba(0, 0, 0, 0.3);}.bt-quiz-card img{width:100px;height:auto;flex-shrink:0;border-radius:4px;filter:drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));}.bt-quiz-card__question{display:block;font-family:var(--font-body);font-size:0.95rem;font-weight:500;color:var(--bt-bone);line-height:1.5;margin-bottom:var(--space-xs);}.bt-quiz-card__link{font-family:var(--font-mono);font-size:0.75rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--bt-magenta-hot);}