@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Hind+Siliguri:wght@400;500;600;700&display=swap";._navbar_1kp74_1{position:fixed;top:1.5rem;left:50%;transform:translate(-50%);width:95%;max-width:1200px;height:4.5rem;z-index:1000;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);transition:all var(--transition-normal)}._navContainer_1kp74_33{height:100%;display:flex;align-items:center;justify-content:space-between}._logo_1kp74_49{display:flex;align-items:center;gap:.75rem;text-decoration:none}._logoIcon_1kp74_63{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;background:var(--grad-primary);color:#fff;border-radius:.75rem;box-shadow:var(--shadow-primary)}._logoText_1kp74_87{font-size:1.25rem;font-weight:800;color:var(--color-text);letter-spacing:-.02em}._navLinks_1kp74_103{display:flex;align-items:center;gap:.5rem}._navLink_1kp74_103{padding:.5rem 1rem;font-size:.9375rem;font-weight:600;color:var(--color-text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast)}._navLink_1kp74_103:hover{color:var(--color-primary);background:rgba(var(--color-primary-rgb),.05)}._activeLink_1kp74_143{color:var(--color-primary);background:rgba(var(--color-primary-rgb),.08)}._navRight_1kp74_155{display:flex;align-items:center;gap:.5rem}._iconBtn_1kp74_167{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;color:var(--color-text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast)}._iconBtn_1kp74_167:hover{color:var(--color-primary);background:rgba(var(--color-primary-rgb),.05);transform:translateY(-1px)}._menuBtn_1kp74_201{display:none;color:var(--color-text)}._searchBar_1kp74_213{position:fixed;top:0;left:0;right:0;padding:2rem 0;background:var(--color-surface);border-bottom:1px solid var(--color-border);z-index:1010;animation:_slideIn_1kp74_1 .3s cubic-bezier(.4,0,.2,1)}@keyframes _slideIn_1kp74_1{0%{transform:translateY(-100%)}to{transform:translateY(0)}}._searchForm_1kp74_257{display:flex;align-items:center;gap:1rem}._searchInput_1kp74_269{flex:1;padding:1rem 1.5rem;font-size:1.125rem;background:var(--color-bg);border:2px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);transition:all var(--transition-fast)}._searchInput_1kp74_269:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px rgba(var(--color-primary-rgb),.1)}._mobileMenu_1kp74_305{position:absolute;top:calc(100% + 1rem);left:0;right:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:1rem;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:.5rem;animation:_popIn_1kp74_1 .3s cubic-bezier(.175,.885,.32,1.275)}@keyframes _popIn_1kp74_1{0%{opacity:0;transform:scale(.95) translateY(-10px)}to{opacity:1;transform:scale(1) translateY(0)}}._mobileLink_1kp74_361{padding:1rem;font-weight:600;color:var(--color-text);border-radius:var(--radius-sm);text-decoration:none;transition:all var(--transition-fast)}._mobileLink_1kp74_361:hover{background:rgba(var(--color-primary-rgb),.05);color:var(--color-primary)}@media(max-width:1024px){._navLinks_1kp74_103{display:none}._menuBtn_1kp74_201{display:flex}}@media(max-width:640px){._navbar_1kp74_1{top:1rem;height:4rem}._logoText_1kp74_87{font-size:1.1rem}}._footer_1vecn_1{background:var(--color-surface);border-top:1px solid var(--color-border);padding:5rem 0 2rem;margin-top:auto}._mainFooter_1vecn_15{display:grid;grid-template-columns:1.2fr 2fr;gap:4rem;margin-bottom:4rem}._brandCol_1vecn_29{max-width:360px}._logo_1vecn_37{display:flex;align-items:center;gap:.75rem;text-decoration:none;margin-bottom:1.5rem}._logoIcon_1vecn_53{width:42px;height:42px;background:var(--grad-primary);color:#fff;display:flex;align-items:center;justify-content:center;border-radius:12px;box-shadow:var(--shadow-primary)}._logoText_1vecn_77{font-size:1.5rem;font-weight:800;color:var(--color-text);letter-spacing:-.02em}._logoText_1vecn_77 span{color:var(--color-primary)}._brandDesc_1vecn_99{color:var(--color-text-secondary);font-size:.9375rem;line-height:1.7;margin-bottom:2rem}._socials_1vecn_113{display:flex;gap:1rem}._socialBtn_1vecn_123{width:40px;height:40px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--color-text-secondary);transition:all var(--transition-normal)}._socialBtn_1vecn_123:hover{background:var(--color-primary);border-color:var(--color-primary);color:#fff;transform:translateY(-2px)}._linksGrid_1vecn_163{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}._linkGroup_1vecn_175 h4{font-size:1rem;font-weight:700;color:var(--color-text);margin-bottom:1.5rem;text-transform:uppercase;letter-spacing:.05em}._linkGroup_1vecn_175 ul{list-style:none;display:flex;flex-direction:column;gap:.75rem}._linkGroup_1vecn_175 ul a{color:var(--color-text-secondary);text-decoration:none;font-size:.9375rem;transition:all var(--transition-fast)}._linkGroup_1vecn_175 ul a:hover{color:var(--color-primary);padding-left:4px}._bottomBar_1vecn_231{padding-top:2rem;border-top:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center;color:var(--color-text-muted);font-size:.8125rem}._developerCredit_1vecn_251{font-weight:600;color:var(--color-text-secondary)}@media(max-width:1024px){._mainFooter_1vecn_15{grid-template-columns:1fr;gap:3rem}}@media(max-width:640px){._footer_1vecn_1{padding:3rem 0 2rem}._linksGrid_1vecn_163{grid-template-columns:1fr;gap:2.5rem}._bottomBar_1vecn_231{flex-direction:column;gap:1.5rem;text-align:center}}._card_1cbgv_1{display:flex;flex-direction:column;padding:2rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);text-decoration:none;transition:all var(--transition-normal);position:relative;overflow:hidden;height:100%;box-shadow:var(--shadow-sm)}._card_1cbgv_1:hover{transform:translateY(-8px);border-color:var(--color-primary);box-shadow:var(--shadow-lg),0 10px 30px -10px rgba(var(--color-primary-rgb),.2)}._primary_1cbgv_43{--accent: var(--color-primary)}._secondary_1cbgv_51{--accent: var(--color-secondary)}._accent_1cbgv_59{--accent: var(--color-accent)}._iconWrapper_1cbgv_67{display:inline-flex;align-items:center;justify-content:center;width:3.5rem;height:3.5rem;background:rgba(var(--color-primary-rgb),.1);color:var(--accent);border-radius:1rem;margin-bottom:2rem;transition:all var(--transition-normal)}._card_1cbgv_1:hover ._iconWrapper_1cbgv_67{background:var(--accent);color:#fff;transform:scale(1.1) rotate(-5deg);box-shadow:0 10px 15px -3px #0000001a}._content_1cbgv_107{flex:1;margin-bottom:1.5rem}._title_1cbgv_117{font-size:1.5rem;font-weight:800;color:var(--color-text);margin-bottom:.75rem;letter-spacing:-.02em}._description_1cbgv_133{font-size:.9375rem;color:var(--color-text-secondary);line-height:1.6}._stats_1cbgv_145{display:flex;flex-wrap:wrap;gap:1rem;margin-top:auto;padding-top:1.5rem;border-top:1px solid 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var(--transition-normal);text-align:center;box-shadow:var(--shadow-sm)}._card_1i8sb_1:hover{transform:translateY(-6px);border-color:var(--color-primary);box-shadow:var(--shadow-lg)}._iconWrapper_1i8sb_41{display:flex;align-items:center;justify-content:center;width:4.5rem;height:4.5rem;background:rgba(var(--color-primary-rgb),.1);color:var(--color-primary);border-radius:1.25rem;margin-bottom:1.5rem;transition:all var(--transition-normal)}._card_1i8sb_1:hover ._iconWrapper_1i8sb_41{background:var(--grad-primary);color:#fff;transform:translateY(-5px) scale(1.1);box-shadow:var(--shadow-primary)}._content_1i8sb_81{width:100%}._title_1i8sb_89{font-size:1.125rem;font-weight:800;color:var(--color-text);margin-bottom:.5rem;letter-spacing:-.01em}._overlay_1i8sb_105{margin-top:1rem;opacity:0;transform:translateY(10px);transition:all var(--transition-fast)}._card_1i8sb_1:hover ._overlay_1i8sb_105{opacity:1;transform:translateY(0)}._exploreText_1i8sb_129{font-size:.75rem;font-weight:800;color:var(--color-primary);text-transform:uppercase;letter-spacing:.05em}@media(max-width:640px){._card_1i8sb_1{padding:2rem 1rem}}._card_uks4p_1{display:flex;flex-direction:column;padding:1.5rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);text-decoration:none;transition:all var(--transition-normal);height:100%;box-shadow:var(--shadow-sm)}._card_uks4p_1:hover{transform:translateY(-4px);border-color:var(--color-primary);box-shadow:var(--shadow-md)}._header_uks4p_39{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem}._badge_uks4p_53{display:inline-flex;align-items:center;gap:.5rem;padding:.25rem .75rem;font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-full)}._badge_uks4p_53._lesson_uks4p_77{background:rgba(var(--color-primary-rgb),.1);color:var(--color-primary)}._badge_uks4p_53._video_uks4p_87{background:rgba(var(--color-accent-rgb),.1);color:var(--color-accent)}._badge_uks4p_53._quiz_uks4p_97{background:rgba(var(--color-secondary-rgb),.1);color:var(--color-secondary)}._title_uks4p_107{font-size:1.125rem;font-weight:700;color:var(--color-text);margin-bottom:1rem;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}._meta_uks4p_133{display:flex;align-items:center;gap:1rem;margin-top:auto;padding-top:1rem;border-top:1px solid rgba(var(--color-primary-rgb),.05)}._metaItem_uks4p_151{display:flex;align-items:center;gap:.25rem;font-size:.75rem;font-weight:600;color:var(--color-text-muted)}._metaItem_uks4p_151 svg{color:var(--color-primary)}@media(max-width:640px){._card_uks4p_1{padding:1.25rem}}._home_bnym5_1{min-height:100vh;padding-top:8rem}._hero_bnym5_15{position:relative;padding:4rem 0 8rem;overflow:hidden}._heroContent_bnym5_27{display:grid;grid-template-columns:1.2fr 1fr;gap:4rem;align-items:center}._heroText_bnym5_41{z-index:10}._badge_bnym5_49{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:rgba(var(--color-primary-rgb),.1);color:var(--color-primary);font-size:.875rem;font-weight:700;border-radius:var(--radius-full);margin-bottom:2rem;text-transform:uppercase;letter-spacing:.05em}._heroTitle_bnym5_79{font-size:clamp(3rem,8vw,4.5rem);font-weight:800;line-height:1;margin-bottom:1.5rem;letter-spacing:-.04em}._highlight_bnym5_95{background:var(--grad-vibrant);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;display:inline-block}._heroDescription_bnym5_111{font-size:1.25rem;max-width:540px;color:var(--color-text-secondary);margin-bottom:3rem}._heroButtons_bnym5_125{display:flex;gap:1rem;align-items:center}._heroImage_bnym5_137{position:relative;z-index:1}._floatingCard_bnym5_147{background:var(--color-surface);padding:2rem;border-radius:var(--radius-lg);border:1px solid var(--color-border);box-shadow:var(--shadow-lg);position:relative;z-index:2;transition:transform var(--transition-normal),box-shadow var(--transition-normal)}._floatingCard_bnym5_147:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl)}._cardGradient_bnym5_179{position:absolute;top:-1px;right:-1px;bottom:-1px;left:-1px;background:var(--grad-primary);border-radius:inherit;z-index:-1;opacity:.1}._section_bnym5_199{padding:6rem 0}._sectionHeader_bnym5_207{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:3rem}._sectionTitleBox_bnym5_221 h2{margin-bottom:.5rem}._sectionDescription_bnym5_229{color:var(--color-text-secondary);font-size:1.125rem}._viewAll_bnym5_239{display:flex;align-items:center;gap:.5rem;font-weight:700;color:var(--color-primary)}._viewAll_bnym5_239:hover{gap:.75rem}._meshBg_bnym5_265{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none}._classGrid_bnym5_281{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem}@media(max-width:1024px){._heroContent_bnym5_27{grid-template-columns:1fr;text-align:center}._heroDescription_bnym5_111{margin-left:auto;margin-right:auto}._heroButtons_bnym5_125{justify-content:center}._heroImage_bnym5_137{display:none}}@media(max-width:640px){._home_bnym5_1{padding-top:6rem}._heroButtons_bnym5_125{flex-direction:column}._btn_bnym5_353{width:100%}}._classes_a6xxt_1{min-height:100vh;padding-top:8rem;position:relative}._meshBg_a6xxt_15{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;background-image:var(--grad-mesh);opacity:.5}._header_a6xxt_33{padding:4rem 0;text-align:center;margin-bottom:2rem}._badge_a6xxt_45{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:rgba(var(--color-primary-rgb),.1);color:var(--color-primary);font-size:.875rem;font-weight:700;border-radius:var(--radius-full);margin-bottom:1.5rem;text-transform:uppercase;letter-spacing:.05em}._header_a6xxt_33 h1{font-size:clamp(2.5rem,5vw,3.5rem);font-weight:800;color:var(--color-text);margin-bottom:1rem;letter-spacing:-.03em}._header_a6xxt_33 p{font-size:1.125rem;color:var(--color-text-secondary);max-width:600px;margin:0 auto}._content_a6xxt_105{padding-bottom:8rem}._grid_a6xxt_113{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}@media(max-width:768px){._classes_a6xxt_1{padding-top:6rem}}._classDetail_1h8tx_1{min-height:100vh}._header_1h8tx_9{padding:var(--spacing-xl) 0;background:linear-gradient(135deg,#2563eb0d,#0596690d);border-bottom:1px solid var(--color-border)}._backLink_1h8tx_27{display:inline-flex;align-items:center;gap:var(--spacing-xs);font-size:14px;color:var(--color-text-secondary);text-decoration:none;margin-bottom:var(--spacing-md);transition:color var(--transition-fast)}._backLink_1h8tx_27:hover{color:var(--color-primary)}._header_1h8tx_9 h1{font-size:36px;font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-sm)}._header_1h8tx_9 p{font-size:16px;color:var(--color-text-secondary)}._content_1h8tx_81{padding:var(--spacing-2xl) 0}._content_1h8tx_81 h2{font-size:24px;font-weight:600;color:var(--color-text);margin-bottom:var(--spacing-lg)}._grid_1h8tx_103{margin-top:var(--spacing-lg)}._empty_1h8tx_111{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-muted);font-size:16px}._notFound_1h8tx_125{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:var(--spacing-md)}._notFound_1h8tx_125 h2{font-size:24px;color:var(--color-text)}._notFound_1h8tx_125 a{color:var(--color-primary)}@media(max-width:768px){._header_1h8tx_9 h1{font-size:28px}._content_1h8tx_81{padding:var(--spacing-xl) 0}}._subject_1dfwc_1{min-height:100vh;padding-top:8rem;position:relative}._meshBg_1dfwc_15{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;background-image:var(--grad-mesh);opacity:.5}._header_1dfwc_33{padding:4rem 0;margin-bottom:2rem}._backLink_1dfwc_43{display:inline-flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:700;color:var(--color-primary);text-decoration:none;margin-bottom:1.5rem;transition:all var(--transition-fast);text-transform:uppercase;letter-spacing:.05em}._backLink_1dfwc_43:hover{transform:translate(-4px);color:var(--color-text)}._header_1dfwc_33 h1{font-size:clamp(2.5rem,5vw,3.5rem);font-weight:800;color:var(--color-text);margin-bottom:.5rem;letter-spacing:-.03em}._header_1dfwc_33 p{font-size:1.125rem;color:var(--color-text-secondary)}._content_1dfwc_107{padding-bottom:8rem}._chapterList_1dfwc_115{display:flex;flex-direction:column;gap:1.5rem}._chapterCard_1dfwc_127{display:flex;align-items:center;gap:2rem;padding:2rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-normal);box-shadow:var(--shadow-sm)}._chapterCard_1dfwc_127:hover{transform:translate(8px);border-color:var(--color-primary);box-shadow:var(--shadow-lg)}._chapterNumber_1dfwc_163{display:flex;align-items:center;justify-content:center;width:4rem;height:4rem;background:var(--grad-primary);color:#fff;font-size:1.5rem;font-weight:800;border-radius:1.25rem;flex-shrink:0;box-shadow:var(--shadow-primary)}._chapterInfo_1dfwc_193{flex:1}._chapterInfo_1dfwc_193 h3{font-size:1.5rem;font-weight:800;color:var(--color-text);margin-bottom:.5rem;letter-spacing:-.01em}._chapterMeta_1dfwc_217{display:flex;gap:1.5rem}._chapterMeta_1dfwc_217 span{display:flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:600;color:var(--color-text-muted)}._chapterMeta_1dfwc_217 span svg{color:var(--color-primary)}._chapterLink_1dfwc_253{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.875rem;font-weight:800;color:var(--color-primary);text-decoration:none;background:rgba(var(--color-primary-rgb),.05);border-radius:var(--radius-sm);transition:all var(--transition-fast);text-transform:uppercase;letter-spacing:.05em}._chapterLink_1dfwc_253:hover{background:var(--color-primary);color:#fff;gap:.75rem}._empty_1dfwc_297{text-align:center;padding:4rem;background:rgba(var(--color-surface-rgb),.5);border-radius:var(--radius-lg);color:var(--color-text-muted);font-style:italic}._notFound_1dfwc_315{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:1.5rem}@media(max-width:768px){._subject_1dfwc_1{padding-top:6rem}._chapterCard_1dfwc_127{flex-direction:column;align-items:flex-start;gap:1.5rem;padding:1.5rem}._chapterLink_1dfwc_253{width:100%;justify-content:center}}._chapter_rjva4_1{min-height:100vh;padding-top:8rem;position:relative}._meshBg_rjva4_15{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;background-image:var(--grad-mesh);opacity:.5}._header_rjva4_33{padding:4rem 0;margin-bottom:2rem}._breadcrumb_rjva4_43{display:flex;align-items:center;gap:.75rem;font-size:.8125rem;font-weight:700;margin-bottom:1.5rem;text-transform:uppercase;letter-spacing:.05em}._breadcrumb_rjva4_43 a{color:var(--color-primary);text-decoration:none;transition:all var(--transition-fast)}._breadcrumb_rjva4_43 a:hover{color:var(--color-text);transform:translateY(-1px)}._breadcrumb_rjva4_43 span{color:var(--color-text-muted);opacity:.5}._header_rjva4_33 h1{font-size:clamp(2rem,4vw,3rem);font-weight:800;color:var(--color-text);margin-bottom:1rem;letter-spacing:-.02em}._headerMeta_rjva4_113{display:flex;align-items:center;gap:2rem}._headerMeta_rjva4_113 span{display:flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:600;color:var(--color-text-secondary)}._headerMeta_rjva4_113 span svg{color:var(--color-primary)}._quizBadge_rjva4_151{color:var(--color-secondary)!important}._quizBadge_rjva4_151 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9999px;--transition-fast: .2s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--color-bg: #000000;--color-surface: #0a0a0a;--color-surface-hover: #121212;--color-text: #ffffff;--color-text-secondary: #a1a1aa;--color-text-muted: #52525b;--color-border: #18181b;--color-border-hover: #27272a;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 1);--shadow-md: 0 4px 10px -1px rgb(0 0 0 / 1), 0 2px 6px -2px rgb(0 0 0 / 1);--shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 1), 0 8px 10px -6px rgb(0 0 0 / 1);--grad-mesh: radial-gradient(at 0% 0%, rgba(var(--color-primary-rgb), .1) 0px, transparent 50%), radial-gradient(at 50% 0%, rgba(var(--color-secondary-rgb), .08) 0px, transparent 50%), radial-gradient(at 100% 0%, rgba(var(--color-accent-rgb), .08) 0px, transparent 50%)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-sans);background-color:var(--color-bg);background-image:var(--grad-mesh);background-attachment:fixed;color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased;transition:background-color var(--transition-normal),color var(--transition-normal);overflow-x:hidden}h1,h2,h3,h4,h5,h6{line-height:1.2;font-weight:700;color:var(--color-text);letter-spacing:-.02em}h1{font-size:clamp(2.5rem,5vw,4rem)}h2{font-size:clamp(2rem,4vw,3rem)}h3{font-size:1.75rem}h4{font-size:1.25rem}p{color:var(--color-text-secondary)}a{color:var(--color-primary);text-decoration:none;transition:all var(--transition-fast)}a:hover{color:var(--color-violet)}button{font-family:inherit;cursor:pointer;border:none;background:none;outline:none}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.75rem;font-size:1rem;font-weight:600;border-radius:var(--radius-md);transition:all var(--transition-normal);position:relative;overflow:hidden;z-index:1}.btn-primary{background:var(--grad-primary);color:#fff;box-shadow:var(--shadow-primary)}.btn-primary:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,var(--color-violet),var(--color-primary));opacity:0;z-index:-1;transition:opacity var(--transition-normal)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 15px 25px -5px rgba(var(--color-primary-rgb),.4)}.btn-primary:hover:before{opacity:1}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-surface-hover);border-color:var(--color-border-hover);transform:translateY(-2px)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:1.5rem;transition:all var(--transition-normal);position:relative;overflow:hidden}.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:rgba(var(--color-primary-rgb),.3)}.card:after{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-vibrant);opacity:0;transition:opacity var(--transition-normal)}.card:hover:after{opacity:1}.grid{display:grid;gap:2rem}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media(max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}@keyframes reveal{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.animate-reveal{animation:reveal .8s cubic-bezier(.4,0,.2,1) forwards}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full);border:2px solid var(--color-bg)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}