@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Nunito:wght@500;600;700;800;900;1000&display=swap');

:root{--ink:#183d43;--muted:#557078;--cream:#fff8ea;--sand:#ffedc7;--orange:#eb7950;--yellow:#ffc64d;--green:#28775e;--blue:#087c9b;--line:#dae5de;--shadow:0 18px 45px #164d4d17}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--ink);background:#fffdf8;font:500 16px/1.6 'DM Sans',system-ui,sans-serif}body:has(.quiz-dialog[open]){overflow:hidden}button,input{font:inherit}button{cursor:pointer}a{color:inherit}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:Nunito,'DM Sans',sans-serif;line-height:1.13}h2{font-size:clamp(2rem,4.4vw,3.5rem);letter-spacing:-.045em}h3{font-size:1.3rem}p{max-width:68ch}.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}.skip-link{position:absolute;top:-80px;left:12px;padding:10px 16px;background:#fff;color:var(--ink);z-index:100}.skip-link:focus{top:12px}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #d3503f;outline-offset:3px}
.site-header{position:sticky;top:0;z-index:20;background:#fffdf5ee;backdrop-filter:blur(15px);border-bottom:1px solid #e8e3d2}.header-inner{width:min(1160px,calc(100% - 40px));margin:auto;min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:8px;text-decoration:none;font:1000 1.22rem/1 Nunito,sans-serif;letter-spacing:-.04em;white-space:nowrap}.brand i{color:var(--blue);font-style:normal}.brand-symbol{color:var(--orange);font-size:2rem;line-height:1}.main-nav{display:flex;align-items:center;gap:28px}.main-nav a{text-decoration:none;font-weight:800;font-size:.9rem}.main-nav a:hover{text-decoration:underline}.main-nav .nav-quiz{padding:11px 17px;background:var(--ink);color:white;border-radius:999px}.menu-button{display:none;background:none;border:0;color:var(--ink);font-size:1.7rem}
.hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#fff5d9 0%,#fffaf0 53%,#e5f5ec 100%)}.hero-content{display:grid;grid-template-columns:1fr 1.03fr;gap:36px;align-items:center;padding-top:72px;padding-bottom:83px}.hero-copy{position:relative;z-index:1}.eyebrow,.section-label{display:inline-block;color:#b95038;font:900 .78rem/1.4 Nunito,sans-serif;letter-spacing:.16em;text-transform:uppercase}.eyebrow{padding:8px 13px;border:1px solid #e8cfab;background:#fffaf0;border-radius:100px}.eyebrow span{color:#e9a11b}.hero h1{font-size:clamp(3.2rem,6.2vw,6rem);letter-spacing:-.065em;margin:20px 0 24px}.hero h1 span{color:#dc7148}.hero h1 em{font-style:normal;color:#087c9b}.hero-copy>p:not(.hero-hint){font-size:1.2rem;max-width:32rem;color:#3f5960}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;border-radius:16px;padding:14px 23px;font:900 1rem Nunito,sans-serif;text-decoration:none;border:2px solid transparent;transition:transform .2s,box-shadow .2s}.button:hover{transform:translateY(-3px);box-shadow:0 8px 18px #134b4a22}.button-primary{background:var(--green);color:white}.button-outline{border-color:#abc3b8;color:var(--ink);background:#fffdf8}.hero-hint{font-size:.86rem;color:var(--muted);margin-top:18px}.hero-visual{position:relative}.hero-visual svg{width:100%;height:auto;display:block;filter:drop-shadow(0 20px 28px #a6723a22)}.visual-sticker{position:absolute;background:#fff;border:3px solid #fff;border-radius:100px;box-shadow:var(--shadow);padding:8px 15px;font:900 .9rem Nunito,sans-serif;transform:rotate(-8deg)}.sticker-one{left:-3%;bottom:19%}.sticker-two{right:-2%;top:17%;transform:rotate(8deg)}.hero-bottom{height:20px;background:repeating-linear-gradient(90deg,#f3b257 0 40px,#f8cb7d 40px 80px,#dbe9c8 80px 120px,#a9dacc 120px 160px)}
.section{padding:94px 0}.section-heading{max-width:780px;margin-bottom:38px}.section-heading h2{margin:12px 0 16px}.section-heading p{font-size:1.1rem;color:var(--muted)}.journey-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.journey-card{position:relative;min-height:270px;padding:25px;border:1px solid #e6dccc;border-radius:25px;text-decoration:none;overflow:hidden;box-shadow:0 9px 18px #213e3d0c;transition:transform .2s,box-shadow .2s}.journey-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.desert-card{background:#ffebc6}.river-card{background:#dceef3}.culture-card{background:#ffe3d1}.coast-card{background:#d9f2e9}.card-number{font:1000 .88rem Nunito,sans-serif;color:#547076}.card-emoji{display:block;text-align:right;font-size:4rem;line-height:1.2;margin:0 0 12px}.journey-card h3{margin:0 0 7px}.journey-card p{font-size:.89rem;line-height:1.45;margin:0 0 18px}.card-link{font:900 .9rem Nunito,sans-serif;color:var(--blue)}
.feature-section{overflow:hidden}.feature-grid{display:grid;grid-template-columns:.95fr 1.05fr;align-items:center;gap:7%;}.feature-grid.reverse .feature-art{order:2}.feature-art{min-height:460px;border-radius:35px;position:relative;display:grid;place-items:center;overflow:hidden}.feature-art:before,.feature-art:after{content:'';position:absolute;border-radius:50%;background:#ffffff55}.feature-art:before{width:270px;height:270px;left:-80px;bottom:-90px}.feature-art:after{width:200px;height:200px;right:-40px;top:-50px}.desert-art{background:radial-gradient(circle at 75% 20%,#ffe7a8 0 13%,transparent 14%),linear-gradient(150deg,#ffd59b,#e9a96d)}.water-art{background:radial-gradient(circle at 20% 30%,#e5faff 0 13%,transparent 14%),linear-gradient(150deg,#a5dbdf,#48aac4)}.coast-art{background:radial-gradient(circle at 70% 25%,#fff3ba 0 12%,transparent 13%),linear-gradient(160deg,#abede4,#44adc0 60%,#157c9a)}.feature-art-main{position:relative;z-index:1;font-size:11rem;filter:drop-shadow(10px 16px 9px #174c4c33)}.feature-art-small{position:absolute;z-index:2;right:18%;top:20%;font-size:4.6rem;transform:rotate(14deg)}.art-caption{position:absolute;bottom:20px;left:20px;z-index:2;border-radius:999px;background:#fffdf8e8;padding:8px 15px;font:900 .7rem Nunito,sans-serif;letter-spacing:.14em}.feature-copy h2{margin:12px 0 23px}.feature-copy p{font-size:1.06rem;color:#435f63}.feature-copy strong{color:var(--ink)}.desert-section{background:#fff7e7}.water-section{background:#f5fbfa}.coast-section{background:#eaf8f5}.fact-box{display:flex;gap:13px;align-items:flex-start;padding:18px;border-radius:17px;background:#fff4d8;border-left:5px solid #eead43;margin-top:25px}.fact-box.blue{background:#e3f4f7;border-color:#48aac4}.fact-box>span{font-size:1.55rem}.fact-box p{margin:0;font-size:.95rem}
.experiment-section{background:#fffdf8}.experiment-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.experiment-controls,.experiment-result{background:#fff;border:2px solid #e4e8df;border-radius:26px;padding:32px;box-shadow:0 8px 24px #173e3e0a}.experiment-controls fieldset{border:0;padding:0;margin:0 0 27px}.experiment-controls legend,.range-title{font:900 1.1rem Nunito,sans-serif;margin-bottom:12px}.experiment-controls label:has(input[type=radio]){display:block;margin:10px 0}.experiment-controls label span{display:block;padding:13px 16px;border:2px solid #dbe6de;border-radius:13px;cursor:pointer}.experiment-controls label:has(input:checked) span{border-color:#4c9c7b;background:#e8f7e8}.experiment-controls input[type=radio]{position:absolute;opacity:0}.experiment-controls label:has(input:focus-visible) span{outline:3px solid #d3503f;outline-offset:3px}.range-title{display:block}.range-title output{color:var(--blue)}#chuva{width:100%;accent-color:var(--blue);margin:12px 0}.range-ends{display:flex;justify-content:space-between;color:var(--muted);font-size:.85rem}.experiment-result{background:#ebf7ee;border-color:#cfe7d7}.result-icon{font-size:4.5rem}.experiment-result h3{font-size:1.65rem;margin:13px 0}.result-note{color:var(--muted);font-size:.9rem}.experiment-instructions{display:flex;gap:15px;align-items:flex-start;margin-top:20px;padding:20px 24px;border-radius:20px;background:#fff3d8}.experiment-instructions span{font-size:1.6rem}.experiment-instructions p{margin:0;max-width:none;font-size:.95rem}
.culture-section{background:#fff5e9}.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.culture-item{background:white;border:1px solid #f0dfc9;border-radius:24px;padding:23px;box-shadow:0 8px 18px #694b2509}.culture-icon{display:grid;place-items:center;width:65px;height:65px;border-radius:19px;background:#fff0d4;font-size:2.1rem;margin-bottom:18px}.culture-item:nth-child(2n) .culture-icon{background:#e4f3e9}.culture-item:nth-child(3n) .culture-icon{background:#dceff4}.culture-item h3{margin-bottom:8px}.culture-item p{color:var(--muted);font-size:.94rem;margin:0}.festival-card{display:flex;align-items:center;gap:22px;padding:26px 30px;margin-top:26px;border-radius:27px;background:#dff3e8;border:2px dashed #94c8ae}.festival-icon{font-size:4rem}.festival-card h3{font-size:1.65rem;margin:7px 0}.festival-card p{margin:0;max-width:none}
.quiz-section{background:radial-gradient(circle at 10% 30%,#2a9e91 0 9%,transparent 10%),radial-gradient(circle at 90% 80%,#edb756 0 9%,transparent 10%),linear-gradient(130deg,#136c81,#144b5d);color:white;text-align:center}.quiz-teaser{display:flex;flex-direction:column;align-items:center}.quiz-stars{font-size:2rem;color:#ffdc7b;letter-spacing:.3em}.quiz-section .section-label{color:#ffe39a}.quiz-teaser h2{font-size:clamp(2.5rem,5vw,4.4rem);margin:10px 0}.quiz-teaser p{font-size:1.17rem;max-width:620px}.button-quiz{background:#ffcc60;color:#173d43;border-color:#ffcc60;margin-top:12px;font-size:1.15rem;padding:16px 30px}.quiz-meta{font-size:.86rem;color:#d9f4f3;margin-top:19px}.sources-section{padding:75px 0;background:#f9f6ed}.sources-inner{display:grid;grid-template-columns:1fr 1fr;gap:35px}.sources-inner h2{font-size:2rem;margin:10px 0}.sources-inner p{color:var(--muted)}.sources-inner ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}.sources-inner a{display:flex;justify-content:space-between;gap:15px;padding:11px 14px;border:1px solid #dce5dc;border-radius:10px;background:#fff;text-decoration:none;font-weight:800}.sources-inner a:hover{text-decoration:underline}.site-footer{background:#173e43;color:white;padding:23px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.footer-inner strong{font:900 1rem Nunito,sans-serif}.footer-inner span{color:#d8e9e6;font-size:.9rem}.footer-inner a{color:#fff}
.quiz-dialog{width:min(680px,calc(100% - 24px));max-height:min(90dvh,850px);padding:0;border:0;border-radius:28px;box-shadow:0 25px 90px #083b4c66;color:var(--ink);overflow:auto}.quiz-dialog::backdrop{background:#123b46a8;backdrop-filter:blur(7px)}.dialog-shell{background:#fffdf8}.dialog-header{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:23px 30px;background:#ffefd2;border-bottom:2px solid #f2ddac}.dialog-overline{color:#ae4c37;font:900 .75rem Nunito,sans-serif;letter-spacing:.15em}.dialog-header h2{font-size:1.65rem;margin:3px 0 0}.close-button{width:40px;height:40px;display:grid;place-items:center;background:white;border:2px solid #e5cda8;border-radius:50%;color:var(--ink);font-size:1.75rem;line-height:1}.dialog-content{padding:30px}.question-counter{font:900 .85rem Nunito,sans-serif;color:#aa563d;margin-bottom:10px}.progress-track{height:12px;border-radius:999px;background:#e8ece4;overflow:hidden;margin-bottom:25px}.progress-fill{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#e99b4e,#efc451);transition:width .25s}.question-title{font-size:clamp(1.45rem,3vw,1.9rem);margin:0 0 9px}.question-hint{color:var(--muted);font-size:.89rem;margin-bottom:20px}.answer-list{display:grid;gap:10px}.answer-option{display:flex;align-items:center;gap:13px;width:100%;text-align:left;padding:12px 15px;background:#fff;border:2px solid #dce6df;border-radius:15px;color:var(--ink);font-weight:800;line-height:1.35;transition:transform .14s,border-color .14s,background .14s}.answer-option:hover:not(:disabled){border-color:var(--blue);transform:translateX(3px)}.answer-option.selected{border-color:var(--blue);background:#e9f6f7}.answer-letter{flex:none;display:grid;place-items:center;width:33px;height:33px;border-radius:10px;background:#eaf2ed;color:#2a6f5b;font:900 .86rem Nunito,sans-serif}.answer-option.correct{border-color:#308354;background:#e5f6e8}.answer-option.correct .answer-letter{background:#318553;color:white}.answer-option.incorrect{border-color:#ce7255;background:#fff0e8}.answer-option.incorrect .answer-letter{background:#c96e50;color:white}.answer-option:disabled{cursor:default}.quiz-feedback{margin:18px 0 0}.quiz-feedback:not(:empty){border-radius:14px;padding:13px 16px;font-weight:700}.feedback-correct{background:#e4f6e5;color:#195d37}.feedback-incorrect{background:#fff0dd;color:#79502d}.next-question,.check-answer{margin-top:20px}.button:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.result-celebration{text-align:center;font-size:5rem}.result-title,.result-description{text-align:center;margin-left:auto;margin-right:auto}.result-title{font-size:2.1rem;margin-top:10px;margin-bottom:10px}.result-description{font-size:1.1rem}.result-description+.button{display:flex;margin:25px auto 0;width:max-content}.error-message{color:#9e3d29;font-weight:800}
@media(max-width:940px){.main-nav{gap:13px}.main-nav a{font-size:.82rem}.feature-grid{gap:35px}.journey-grid{grid-template-columns:repeat(2,1fr)}.culture-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){html{scroll-padding-top:70px}.header-inner{min-height:66px}.menu-button{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:100%;padding:16px 20px 20px;background:#fffdf5;border-bottom:1px solid #e8e3d2;box-shadow:0 18px 20px #173e4322;flex-direction:column;align-items:stretch;gap:5px}.main-nav.open{display:flex}.main-nav a{font-size:1rem;padding:8px}.main-nav .nav-quiz{text-align:center;margin-top:5px}.hero-content{grid-template-columns:1fr;padding-top:48px;padding-bottom:42px}.hero h1{font-size:clamp(3.1rem,12vw,5rem)}.hero-visual{max-width:550px;margin:auto}.section{padding:68px 0}.feature-grid,.feature-grid.reverse{grid-template-columns:1fr}.feature-grid.reverse .feature-art{order:0}.feature-art{min-height:300px}.feature-art-main{font-size:8rem}.experiment-grid,.sources-inner{grid-template-columns:1fr}.footer-inner{flex-direction:column;align-items:flex-start}.festival-card{align-items:flex-start}.festival-icon{font-size:2.9rem}}
@media(max-width:480px){.container{width:min(100% - 30px,1160px)}.brand{font-size:1.07rem}.hero-actions{flex-direction:column;align-items:stretch}.journey-grid,.culture-grid{grid-template-columns:1fr}.journey-card{min-height:220px}.card-emoji{position:absolute;right:25px;top:20px}.journey-card h3{margin-top:54px}.feature-art{min-height:270px}.experiment-controls,.experiment-result{padding:22px}.festival-card{padding:20px}.quiz-dialog{width:calc(100% - 12px);max-height:96dvh;border-radius:19px}.dialog-header{padding:17px 19px}.dialog-content{padding:22px 18px}.answer-option{font-size:.92rem;padding:11px}.quiz-teaser p{font-size:1rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

.video-section{background:#e8f2e9;overflow:hidden}.video-grid{display:grid;grid-template-columns:1fr .9fr;gap:7%;align-items:center}.video-copy h2{margin:12px 0 20px}.video-copy p{font-size:1.08rem;color:#435f63}.video-copy strong{color:var(--ink)}.video-note{padding:16px 20px;background:#fff8ea;border-left:5px solid var(--yellow);border-radius:12px;font-size:.94rem!important}.video-link{display:inline-flex;align-items:center;gap:10px;margin-top:10px;font-weight:900;color:var(--blue);text-underline-offset:4px}.video-stage{justify-self:center;position:relative;padding:12px;background:#fff9eb;border:2px solid #d5e0cd;border-radius:36px;box-shadow:var(--shadow);transform:rotate(2deg)}.video-frame{position:relative;width:min(315px,72vw);aspect-ratio:9/16;overflow:hidden;border-radius:25px;background:linear-gradient(150deg,#e8b170,#f7d693 48%,#65b2a5 49%,#1f7b8d);}.video-frame::before{content:'🌵 ▶ 🌊';position:absolute;inset:0;display:grid;place-items:center;color:white;font-size:2.6rem;letter-spacing:.1em}.video-frame iframe{position:relative;display:block;width:100%;height:100%;border:0;opacity:0}.video-frame.loaded iframe{opacity:1}.video-caption{position:absolute;right:-22px;bottom:24px;padding:9px 15px;border-radius:99px;background:#fff;color:var(--ink);font:900 .8rem Nunito,sans-serif;box-shadow:0 8px 18px #173e4329;transform:rotate(-8deg)}
@media(max-width:700px){.video-grid{grid-template-columns:1fr;gap:35px}.video-stage{justify-self:center}.video-frame{width:min(305px,72vw)}}

/* Tipografia maior para leitura durante a apresentação escolar. */
html{font-size:18px}
body{font-size:20px}
.main-nav a,.eyebrow,.section-label,.hero-hint,.visual-sticker,.card-number,.card-link,.art-caption,.range-ends,.result-note,.quiz-meta,.footer-inner span,.dialog-overline,.question-counter,.question-hint,.answer-letter,.video-caption{font-size:1rem}
.journey-card p,.fact-box p,.experiment-instructions p,.culture-item p{font-size:1.05rem}
.video-note{font-size:1.05rem!important}
.answer-option{font-size:1.08rem}
@media(max-width:940px){.menu-button{display:block}.main-nav{display:none;position:absolute;top:100%;left:0;right:0;padding:16px 20px 20px;flex-direction:column;align-items:stretch;gap:5px;background:#fffdf5;border-bottom:1px solid #e8e3d2;box-shadow:0 18px 20px #173e4322}.main-nav.open{display:flex}.main-nav a{font-size:1.1rem;padding:8px}.main-nav .nav-quiz{text-align:center;margin-top:5px}.eyebrow{letter-spacing:.05em;padding-inline:11px}}