:root{--color-primary: #818cf8;--color-primary-dark: #6366f1;--color-primary-light: #c7d2fe;--color-secondary: #22d3ee;--color-secondary-dark: #06b6d4;--color-accent: #fbbf24;--color-success: #34d399;--color-error: #f87171;--color-white: #1f2937;--color-gray-50: #111827;--color-gray-100: #1f2937;--color-gray-200: #2d3748;--color-gray-300: #4b5563;--color-gray-500: #9ca3af;--color-gray-700: #d1d5db;--color-gray-900: #f3f4f6;--font-main: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-display: "Space Grotesk", var(--font-main);--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-6: 1.5rem;--space-8: 2rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .35s ease;--container-max: 1200px;--header-height: 70px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:var(--header-height)}body{font-family:var(--font-main);font-size:var(--text-base);line-height:1.2;color:var(--color-gray-700);background-color:var(--color-white);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}main{flex:1}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:none;background:none}ul,ol{list-style:none}.header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:var(--color-white);border-bottom:1px solid var(--color-gray-200);z-index:1000}.header__container{max-width:var(--container-max);height:100%;margin:0 auto;padding:0 var(--space-4);display:flex;align-items:center;justify-content:space-between}.header__logo{display:flex;align-items:center;gap:var(--space-2);font-family:var(--font-display);font-size:var(--text-xl);font-weight:500;color:var(--color-gray-900)}.logo__icon{font-size:var(--text-2xl)}.logo__text strong{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.header__menu-btn{display:flex;flex-direction:column;gap:5px;padding:var(--space-2);z-index:1001}.header__menu-btn span{display:block;width:24px;height:2px;background:var(--color-gray-700);border-radius:var(--radius-full);transition:var(--transition-base)}.header__menu-btn[aria-expanded=true] span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.header__menu-btn[aria-expanded=true] span:nth-child(2){opacity:0}.header__menu-btn[aria-expanded=true] span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.header__nav{position:fixed;top:var(--header-height);left:0;right:0;background:var(--color-white);padding:var(--space-4);border-bottom:1px solid var(--color-gray-200);transform:translateY(-100%);opacity:0;visibility:hidden;transition:var(--transition-base)}.header__nav.is-open{transform:translateY(0);opacity:1;visibility:visible}.nav__list{display:flex;flex-direction:column;gap:var(--space-2)}.nav__link{display:block;padding:var(--space-3) var(--space-4);font-weight:500;border-radius:var(--radius-md);transition:var(--transition-fast)}.nav__link:hover,.nav__link:focus{background:var(--color-gray-100);color:var(--color-primary)}@media(min-width:768px){.header__menu-btn{display:none}.header__nav{position:static;transform:none;opacity:1;visibility:visible;padding:0;border:none;background:transparent}.nav__list{flex-direction:row;gap:var(--space-1)}.nav__link{padding:var(--space-2) var(--space-3)}}main{margin-top:calc(var(--header-height) / 2)}body:has(.header) main,body.has-header main{margin-top:var(--header-height)}.hero{position:relative;min-height:85vh;width:100%;display:flex;align-items:center;background:linear-gradient(135deg,#6366f1f2,#06b6d4e6,#6366f1d9);overflow:hidden}.hero__inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-8);width:100%;max-width:var(--container-max);margin:0 auto;padding:var(--space-12) var(--space-6);position:relative;z-index:2}.hero__content{flex:1;max-width:550px}.hero__badge{display:inline-block;padding:var(--space-2) var(--space-4);background:#fff3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:600;color:var(--color-white);margin-bottom:var(--space-4);border:1px solid rgba(255,255,255,.3)}.hero__title{font-family:var(--font-display);font-size:clamp(var(--text-3xl),6vw,3.5rem);font-weight:700;color:var(--color-white);line-height:1.15;margin-bottom:var(--space-4);text-shadow:0 2px 10px rgba(0,0,0,.15)}.highlight{color:var(--color-white);-webkit-text-fill-color:var(--color-white);text-shadow:0 0 15px rgba(255,255,255,.7),0 0 30px rgba(255,255,255,.5),0 0 45px rgba(255,255,255,.3)}.hero__subtitle{font-size:var(--text-lg);color:#ffffffe6;margin-bottom:var(--space-6);line-height:1.7}.typing{font-weight:600;color:var(--color-white)}.typing__cursor{font-weight:500}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.hero__actions{display:flex;flex-wrap:wrap;gap:var(--space-3)}.hero__visual{flex-shrink:0;position:relative}.hero__image{width:clamp(280px,40vw,450px);height:auto;border-radius:var(--radius-xl);box-shadow:0 20px 50px #00000040,0 10px 20px #00000026;animation:floatImage 6s ease-in-out infinite;outline:3px solid rgba(255,255,255,.2);outline-offset:-3px}@keyframes floatImage{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}.hero__shapes{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:1}.shape{position:absolute;opacity:.4}.shape--1{width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.3) 0%,transparent 70%);top:-150px;right:-100px;animation:float 10s ease-in-out infinite}.shape--2{width:200px;height:100px;border-radius:var(--radius-xl);background:#ffffff26;bottom:15%;left:-60px;animation:floatRotate 12s ease-in-out infinite}.shape--3{width:120px;height:120px;background:#fff3;top:30%;right:5%;clip-path:polygon(50% 0%,100% 50%,50% 100%,0% 50%);animation:floatSpin 14s ease-in-out infinite}.shape--4{width:180px;height:180px;border-radius:50%;border:20px solid rgba(255,255,255,.1);background:transparent;bottom:10%;right:20%;animation:pulse 8s ease-in-out infinite}.shape--5{width:60px;height:60px;border-radius:50%;background:#ffffff40;top:60%;left:15%;animation:float 7s ease-in-out infinite;animation-delay:-3s}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}@keyframes floatRotate{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-15px) rotate(8deg)}}@keyframes floatSpin{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-10px) rotate(45deg)}}@keyframes pulse{0%,to{transform:scale(1);opacity:.3}50%{transform:scale(1.1);opacity:.5}}@media(max-width:900px){.hero{min-height:auto}.hero__inner{flex-direction:column;text-align:center;padding:var(--space-8) var(--space-4);gap:var(--space-6)}.hero__content{max-width:100%}.hero__actions{justify-content:center}.hero__visual{order:-1}.hero__image{width:clamp(200px,60vw,320px)}}@media(max-width:480px){.hero__badge{font-size:var(--text-xs)}.hero__image{width:200px}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-weight:600;font-size:var(--text-base);border-radius:var(--radius-lg);transition:var(--transition-fast)}.btn--primary{background:var(--color-primary);color:var(--color-white);box-shadow:var(--shadow-md),0 0 0 0 var(--color-primary-light)}.btn--primary:hover{background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg),0 0 0 4px var(--color-primary-light)}.btn--secondary{background:var(--color-white);color:var(--color-gray-700);border:2px solid var(--color-gray-200)}.btn--secondary:hover{border-color:var(--color-primary);color:var(--color-primary)}.btn--tertiary{background:var(--color-gray-700);color:var(--color-white);border:2px solid var(--color-primary)}.btn--tertiary:hover{background:#ffffff0f;color:var(--color-white);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn--tertiary:focus-visible{outline:2px solid rgba(255,255,255,.12);outline-offset:2px}.btn--full{width:100%}.btn__loader{width:18px;height:18px;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.section{padding:var(--space-16) var(--space-4);max-width:var(--container-max);margin:0 auto}.section--alt{background:var(--color-gray-50);max-width:none}.section--alt>*{max-width:var(--container-max);margin-left:auto;margin-right:auto}.section__header{text-align:center;margin-bottom:var(--space-12)}.section__title{font-family:var(--font-display);font-size:var(--text-2xl);font-weight:700;color:var(--color-gray-900);margin-bottom:var(--space-2)}.section__description{color:var(--color-gray-500);font-size:var(--text-lg)}.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-6)}.card{background:var(--color-white);border-radius:var(--radius-xl);padding:var(--space-6);border:1px solid var(--color-gray-200);transition:var(--transition-base);display:flex;flex-direction:column}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--color-primary-light)}.card__icon{font-size:2.5rem;margin-bottom:var(--space-4)}.card__title{font-family:var(--font-display);font-size:var(--text-xl);font-weight:600;color:var(--color-gray-900);margin-bottom:var(--space-2)}.card__text{color:var(--color-gray-500);font-size:var(--text-sm);flex-grow:1;margin-bottom:var(--space-4)}.card__link{font-weight:600;color:var(--color-primary);transition:var(--transition-fast)}.card__link:hover{color:var(--color-primary-dark)}.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:var(--space-4)}.tool-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--space-6) var(--space-4);background:var(--color-white);border-radius:var(--radius-xl);border:2px solid var(--color-gray-200);transition:var(--transition-base)}.tool-card:hover{border-color:var(--color-primary);transform:scale(1.02);box-shadow:var(--shadow-lg)}.tool-card__logo{font-size:2.5rem;margin-bottom:var(--space-3)}.tool-card__name{font-weight:600;color:var(--color-gray-900);margin-top:var(--space-4);margin-bottom:var(--space-1)}.tool-card__tag{font-size:var(--text-xs);color:var(--color-gray-500);background:var(--color-gray-100);padding:var(--space-1) var(--space-2);border-radius:var(--radius-full)}.revision-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-6)}.revision-card{display:block;padding:var(--space-8);border-radius:var(--radius-xl);color:var(--color-white);text-align:center;transition:transform var(--transition-base),box-shadow var(--transition-base);position:relative;overflow:hidden}.revision-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 0%,rgba(0,0,0,.1) 100%);pointer-events:none}.revision-card--flashcards{background:linear-gradient(135deg,var(--color-primary) 0%,#818cf8 100%)}.revision-card--fiches{background:linear-gradient(135deg,var(--color-secondary) 0%,#22d3ee 100%)}.revision-card--quiz{background:linear-gradient(135deg,var(--color-accent) 0%,#fbbf24 100%)}.revision-card:hover{transform:translateY(-4px) scale(1.02);box-shadow:var(--shadow-xl)}.revision-card__icon{font-size:3rem;margin-bottom:var(--space-4);position:relative}.revision-card__title{font-family:var(--font-display);font-size:var(--text-xl);font-weight:700;margin-bottom:var(--space-2);position:relative}.revision-card__text{font-size:var(--text-sm);opacity:.9;position:relative}.correction-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-6)}.correction-card{display:block;padding:var(--space-8);border-radius:var(--radius-xl);color:var(--color-white);text-align:center;transition:transform var(--transition-base),box-shadow var(--transition-base);position:relative;overflow:hidden}.correction-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 0%,rgba(0,0,0,.1) 100%);pointer-events:none}.correction-card--fiches{background:linear-gradient(135deg,#8b5cf6,#a78bfa)}.correction-card--quiz{background:linear-gradient(135deg,#ec4899,#f472b6)}.correction-card--eval{background:linear-gradient(135deg,#14b8a6,#5eead4)}.correction-card:hover{box-shadow:var(--shadow-xl)}.correction-card__icon{font-size:3rem;margin-bottom:var(--space-4);position:relative}.correction-card__title{font-family:var(--font-display);font-size:var(--text-xl);font-weight:700;margin-bottom:var(--space-2);position:relative}.correction-card__text{font-size:var(--text-sm);opacity:.9;position:relative}.resources-list{display:flex;flex-direction:column;gap:var(--space-4);max-width:700px;margin:0 auto}.resource-item{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-4) var(--space-6);background:var(--color-white);border-radius:var(--radius-lg);border:1px solid var(--color-gray-200);transition:var(--transition-fast)}.resource-item:hover{border-color:var(--color-primary-light);box-shadow:var(--shadow-md)}.resource-item__icon{font-size:1.5rem;flex-shrink:0}.resource-item__content{flex-grow:1}.resource-item__content h4{font-weight:600;color:var(--color-gray-900);margin-bottom:var(--space-1)}.resource-item__content p{font-size:var(--text-sm);color:var(--color-gray-500)}.resource-item__link{padding:var(--space-2) var(--space-4);background:var(--color-gray-100);color:var(--color-gray-700);border-radius:var(--radius-md);font-weight:500;font-size:var(--text-sm);transition:var(--transition-fast)}.resource-item__link:hover{background:var(--color-primary);color:var(--color-white)}.contact-form{max-width:500px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4);text-align:center;font-weight:500}.contact-form .correction-card{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:var(--space-8);border-radius:var(--radius-xl);color:var(--color-white);text-align:center;transition:transform var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-fast);position:relative;overflow:hidden;min-height:220px;border:1px solid rgba(255,255,255,.06);box-shadow:var(--shadow-md)}.contact-form .correction-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 0%,rgba(0,0,0,.08) 100%);pointer-events:none}.contact-form .correction-card:after{content:"";position:absolute;width:140px;height:140px;right:-30px;bottom:-30px;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.12),transparent 40%);filter:blur(8px);pointer-events:none;opacity:.9}.contact-form .correction-card--fiches{background:linear-gradient(135deg,#8b5cf6,#a78bfa)}.contact-form .correction-card--quiz{background:linear-gradient(135deg,#ec4899,#f472b6)}.contact-form .correction-card--eval{background:linear-gradient(135deg,#14b8a6,#5eead4)}.contact-form .correction-card:hover,.contact-form .correction-card:focus-within{transform:translateY(-4px) scale(1.02);box-shadow:var(--shadow-xl);border-color:#ffffff1f}.contact-form .correction-card:focus-within{outline:3px solid rgba(255,255,255,.06);outline-offset:4px}.contact-form .correction-card__icon{font-size:3rem;margin-bottom:var(--space-4);position:relative;z-index:2}.contact-form .correction-card__title{font-family:var(--font-display);font-size:var(--text-xl);font-weight:700;margin-bottom:var(--space-2);position:relative;z-index:2;color:var(--color-white)}.contact-form .correction-card__text{font-size:var(--text-sm);opacity:.95;position:relative;z-index:2;color:#fffffff2}.contact-form .correction-card__link{margin-top:var(--space-4);display:inline-block;background:#ffffff14;color:var(--color-white);padding:.5rem .9rem;border-radius:var(--radius-md);font-weight:600;transition:background var(--transition-fast),transform var(--transition-fast);z-index:2}.contact-form .correction-card__link:hover,.contact-form .correction-card__link:focus{background:#ffffff24;transform:translateY(-2px)}.form-feedback.success{background:#d1fae5;color:#065f46}.form-feedback.error{background:#fee2e2;color:#991b1b}.footer{background:var(--color-gray-50);color:var(--color-gray-700);padding:var(--space-6) var(--space-4)}.footer__content{max-width:var(--container-max);margin:0 auto;text-align:center}.footer__brand{display:flex;align-items:center;justify-content:center;gap:var(--space-2);font-family:var(--font-display);font-size:var(--text-lg);font-weight:600;color:var(--color-gray-700);margin-bottom:var(--space-2)}.footer__text{margin-bottom:var(--space-3);font-size:var(--text-sm)}.footer__links{display:flex;justify-content:center;gap:var(--space-4);font-size:var(--text-xs)}.footer__links a{transition:var(--transition-fast)}.footer__links a:hover{color:var(--color-primary)}[hidden]{display:none!important}#header-placeholder,#footer-placeholder{display:contents}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media(max-width:640px){.contact-form{grid-template-columns:1fr}.form-group--full{grid-column:1}.hero__actions{flex-direction:column;align-items:stretch}.hero__actions .btn{justify-content:center}}