/* ============ RESET & VARS ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root {
    --petroleum: #0D3349;
    --petroleum-light: #143d57;
    --teal: #3AAFA9;
    --teal-soft: #EAF6F5;
    --teal-glow: rgba(58,175,169,0.3);
    --white: #FFFFFF;
    --gray-light: #F2F2F2;
    --gray-text: #444444;
    --gray-micro: #888888;
    --font: 'Montserrat', sans-serif;

    /* Theme tokens (light default) */
    --bg-primary: var(--white);
    --bg-secondary: var(--gray-light);
    --bg-hero: var(--petroleum);
    --bg-metodo: var(--teal-soft);
    --bg-footer: var(--petroleum);
    --text-primary: var(--gray-text);
    --text-heading: var(--petroleum);
    --text-hero: var(--white);
    --text-on-dark: var(--white);
    --card-bg: var(--white);
    --card-border: rgba(13,51,73,0.08);
    --topbar-bg: rgba(255,255,255,0.85);
    --topbar-border: rgba(13,51,73,0.06);
    --glass-bg: rgba(58,175,169,0.15);
    --glass-border: rgba(58,175,169,0.3);
    --input-bg: var(--white);
    --input-border: #d1d5db;
}

/* Dark mode */
body.dark {
    --bg-primary: #0a0f14;
    --bg-secondary: #111921;
    --bg-hero: #060b10;
    --bg-metodo: #0d1a24;
    --bg-footer: #060b10;
    --text-primary: #c8d1da;
    --text-heading: var(--teal);
    --text-hero: var(--white);
    --text-on-dark: #c8d1da;
    --card-bg: #111921;
    --card-border: rgba(58,175,169,0.12);
    --topbar-bg: rgba(10,15,20,0.9);
    --topbar-border: rgba(58,175,169,0.1);
    --glass-bg: rgba(58,175,169,0.08);
    --glass-border: rgba(58,175,169,0.2);
    --input-bg: #111921;
    --input-border: #2a3a4a;
}

html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);color:var(--text-primary);background:var(--bg-primary);line-height:1.6;transition:background .4s ease,color .4s ease;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}

.container{max-width:960px;margin:0 auto;padding:0 24px}

/* ============ TOPBAR ============ */
.topbar{position:fixed;top:12px;left:50%;transform:translateX(-50%);z-index:100;width:auto;max-width:calc(100% - 32px);padding:8px 24px;background:rgba(13,51,73,0.5);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:999px;border:1px solid rgba(58,175,169,0.12);transition:transform .35s cubic-bezier(.4,0,.2,1),background .4s,opacity .35s}
.topbar.scrolled{background:rgba(13,51,73,0.7);box-shadow:0 4px 24px rgba(0,0,0,0.2)}
body.dark .topbar.scrolled{background:rgba(6,11,16,0.75)}
.topbar.hidden{transform:translateX(-50%) translateY(calc(-100% - 20px));opacity:0}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.topbar-brand{display:flex;align-items:center}
.topbar-nav{display:flex;align-items:center;gap:20px}
.topbar-nav a{font-size:13px;font-weight:500;color:#fff;transition:color .3s;letter-spacing:0.01em}
.topbar-nav a:hover{color:var(--teal)}
.topbar-logo{height:130px;width:auto;object-fit:contain;transition:opacity .3s}
.topbar-logo:hover{opacity:0.8}

/* Hamburger — hidden on desktop */
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;color:#fff;width:40px;height:40px;align-items:center;justify-content:center}
.menu-toggle svg{width:24px;height:24px}
.menu-icon-close{display:none}
.menu-open .menu-icon{display:none}
.menu-open .menu-icon-close{display:block}

/* Theme Toggle — minimal SVG */
.theme-toggle{background:none;border:none;cursor:pointer;padding:6px;transition:color .3s;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;color:var(--teal)}
.theme-toggle:hover{opacity:0.7}
.theme-toggle svg{width:24px;height:24px;stroke-width:2}
.toggle-icon-sun,.toggle-icon-moon{display:none}
.theme-toggle .toggle-icon-sun{display:flex}
body.dark .theme-toggle .toggle-icon-sun{display:none}
body.dark .theme-toggle .toggle-icon-moon{display:flex}

/* ============ HERO ============ */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-hero);position:relative;padding:140px 24px 60px;overflow:hidden}

.hero-content{text-align:center;max-width:800px;position:relative;z-index:2}

.text-teal{color:var(--teal)}

.hero-tagline{
    font-size:clamp(22px,3.5vw,36px);font-weight:700;
    color:var(--text-hero);line-height:1.3;margin-bottom:24px;
    position:relative;z-index:5;
}

.hero-subheadline{
    font-size:clamp(15px,2vw,18px);font-weight:400;
    color:rgba(255,255,255,0.7);line-height:1.6;
    max-width:640px;margin:0 auto 40px
}

/* Glass Button */
.btn-glass{
    position:relative;display:inline-flex;align-items:center;justify-content:center;
    padding:16px 40px;border-radius:16px;border:1px solid var(--glass-border);
    background:linear-gradient(135deg,rgba(58,175,169,0.2),rgba(58,175,169,0.08));
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
    color:var(--white);font-family:var(--font);font-weight:700;font-size:16px;
    text-transform:uppercase;letter-spacing:0.02em;cursor:pointer;
    transition:all .3s ease;overflow:hidden;
    box-shadow:0 4px 24px rgba(58,175,169,0.15),inset 0 1px 0 rgba(255,255,255,0.1)
}
.btn-glass::before{
    content:'';position:absolute;top:0;left:0;right:0;height:50%;
    background:linear-gradient(180deg,rgba(255,255,255,0.12),transparent);
    border-radius:16px 16px 0 0;pointer-events:none
}
.btn-glass:hover{
    background:linear-gradient(135deg,rgba(58,175,169,0.35),rgba(58,175,169,0.15));
    box-shadow:0 8px 40px rgba(58,175,169,0.3),inset 0 1px 0 rgba(255,255,255,0.15);
    transform:translateY(-2px)
}
.btn-glass:active{transform:translateY(0);box-shadow:0 2px 12px rgba(58,175,169,0.2)}

/* Scroll Indicator */
.scroll-indicator{margin-top:40px;color:rgba(255,255,255,0.35);animation:soft-bounce 2.4s cubic-bezier(.45,.05,.55,.95) infinite}
@keyframes soft-bounce{0%,100%{transform:translateY(0);opacity:0.35}50%{transform:translateY(10px);opacity:0.7}}

/* ============ SECTIONS ============ */
.secao{padding:80px 0;transition:background .4s ease}

/* PROBLEMA */
.secao-problema{background:var(--bg-secondary)}
.problema-content{max-width:680px;margin:0 auto;text-align:center}
.problema-content h2{font-size:clamp(22px,3vw,28px);font-weight:600;color:var(--text-heading);margin-bottom:24px}
.problema-content p{font-size:16px;line-height:1.8;color:var(--text-primary);margin-bottom:16px}
.problema-content p:last-child{margin-bottom:0}

/* METODO */
.secao-metodo{background:var(--bg-metodo)}
.metodo-content{max-width:720px;margin:0 auto}
.metodo-content h2{font-size:clamp(22px,3vw,28px);font-weight:600;color:var(--text-heading);margin-bottom:40px;text-align:center}

.metodo-steps{display:flex;flex-direction:column;gap:32px}
.metodo-step h3{font-size:18px;font-weight:700;color:var(--text-heading);margin-bottom:8px}
.metodo-num{color:var(--teal);margin-right:4px}
.metodo-step p{font-size:16px;line-height:1.8;color:var(--text-primary)}

/* DIFERENCIAL */
.secao-diferencial{background:var(--bg-secondary)}
.diferencial-content{max-width:680px;margin:0 auto;text-align:center}
.diferencial-content h2{font-size:clamp(22px,3vw,28px);font-weight:600;color:var(--text-heading);margin-bottom:24px}
.diferencial-content > p{font-size:16px;line-height:1.8;color:var(--text-primary);margin-bottom:40px}

.diferencial-pilares{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.diferencial-pilar{
    background:var(--card-bg);border:1px solid var(--card-border);
    border-radius:16px;padding:24px;text-align:center;transition:all .3s ease
}
.diferencial-pilar:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(58,175,169,0.1)}
.diferencial-pilar .dor-icon{color:var(--teal);margin-bottom:12px;display:flex;justify-content:center}
.diferencial-pilar p{font-size:14px;font-weight:600;color:var(--text-primary)}

/* CREDENCIAIS */
.secao-credenciais{background:var(--bg-primary)}
.credenciais-grid{display:grid;gap:40px;align-items:center}
@media(min-width:768px){.credenciais-grid{grid-template-columns:1fr 1.5fr}}

.credenciais-foto img{
    border-radius:16px;aspect-ratio:3/4;object-fit:cover;
    width:100%;max-width:320px;margin:0 auto;
    filter:grayscale(100%);
    box-shadow:0 20px 60px rgba(0,0,0,0.15)
}
.credenciais-texto h2{font-size:clamp(22px,3vw,28px);font-weight:700;color:var(--text-heading);margin-bottom:16px}
.credenciais-texto p{font-size:16px;line-height:1.7;color:var(--text-primary);margin-bottom:16px}
.credenciais-destaque{font-weight:600;color:var(--teal)!important;font-style:italic}

/* FORMULARIO */
.secao-formulario{background:var(--bg-hero);padding:80px 0}
.form-wrapper{max-width:480px;margin:0 auto;text-align:center}
.form-wrapper h2{font-size:clamp(22px,3vw,28px);font-weight:700;color:var(--text-on-dark);margin-bottom:16px}
.form-intro{font-size:16px;line-height:1.7;color:rgba(255,255,255,0.7);margin-bottom:32px}

.form-group{text-align:left;margin-bottom:20px}
.form-group label{display:block;font-size:14px;font-weight:600;color:var(--text-on-dark);margin-bottom:6px}
.form-group input{
    width:100%;padding:14px 16px;border-radius:12px;
    border:1px solid rgba(58,175,169,0.3);background:rgba(255,255,255,0.08);
    font-family:var(--font);font-size:16px;color:var(--white);
    transition:border .3s,box-shadow .3s;outline:none
}
.form-group input::placeholder{color:rgba(255,255,255,0.4)}
.form-group input:focus{border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-glow)}
.form-group input.error{border-color:#ef4444}
.form-error{display:none;font-size:13px;color:#ef4444;margin-top:4px}
.form-group input.error ~ .form-error{display:block}

.btn-submit{
    width:100%;margin-top:8px;color:var(--white);font-size:15px;
    background:linear-gradient(135deg,var(--teal),#2d9a95);
    border:1px solid rgba(58,175,169,0.4)
}
.btn-submit:hover{background:linear-gradient(135deg,#2d9a95,#258a85)}

.form-msg{margin-top:16px;padding:14px;border-radius:12px;font-size:14px;line-height:1.5}
.form-msg.success{background:rgba(58,175,169,0.1);color:var(--teal);border:1px solid rgba(58,175,169,0.2)}
.form-msg.error-msg{background:rgba(239,68,68,0.1);color:#ef4444;border:1px solid rgba(239,68,68,0.2)}

.form-privacidade{font-size:13px;color:rgba(255,255,255,0.5);margin-top:16px;line-height:1.5}

/* ============ FOOTER ============ */
.footer{background:var(--bg-footer);padding:48px 0;text-align:center}
.footer-logo{height:56px;max-width:180px;margin:0 auto 20px;object-fit:contain}
.footer-insta{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:14px;font-weight:500;margin-bottom:16px;transition:opacity .3s}
.footer-insta:hover{opacity:0.7}
.footer-privacidade{font-size:13px;color:rgba(255,255,255,0.5);margin-bottom:8px}
.footer-copy{font-size:12px;color:rgba(255,255,255,0.3)}

/* ============ ANIMATIONS (framer-motion spring style) ============ */

@keyframes fm-fade-up{
    from{opacity:0;transform:translate3d(0,80px,0)}
    to{opacity:1;transform:translate3d(0,0,0)}
}
@keyframes fm-fade-down{
    from{opacity:0;transform:translate3d(0,-50px,0)}
    to{opacity:1;transform:translate3d(0,0,0)}
}
@keyframes fm-blur-in{
    from{opacity:0;filter:blur(20px);transform:translate3d(0,40px,0) scale(0.92)}
    to{opacity:1;filter:blur(0);transform:translate3d(0,0,0) scale(1)}
}
@keyframes fm-scale-up{
    from{opacity:0;transform:scale(0.7)}
    to{opacity:1;transform:scale(1)}
}
@keyframes fm-fade-left{
    from{opacity:0;transform:translate3d(60px,0,0)}
    to{opacity:1;transform:translate3d(0,0,0)}
}
@keyframes fm-fade-right{
    from{opacity:0;transform:translate3d(-60px,0,0)}
    to{opacity:1;transform:translate3d(0,0,0)}
}

.hero .anim{opacity:0}
.hero.loaded [data-anim="blur-in"]{animation:fm-blur-in 1s cubic-bezier(.175,.885,.32,1.275) forwards}
.hero.loaded [data-anim="fade-up"]{animation:fm-fade-up .9s cubic-bezier(.175,.885,.32,1.275) forwards}
.hero.loaded [data-anim="fade-down"]{animation:fm-fade-down .9s cubic-bezier(.175,.885,.32,1.275) forwards}
.hero.loaded [data-anim="scale-up"]{animation:fm-scale-up .8s cubic-bezier(.175,.885,.32,1.275) forwards}

/* --- Scroll: bidirectional reveal/hide --- */
.scroll-anim{
    opacity:0;
    will-change:transform,opacity,filter;
    transition:
        opacity .7s cubic-bezier(.25,.46,.45,.94),
        transform .8s cubic-bezier(.175,.885,.32,1.275),
        filter .7s cubic-bezier(.25,.46,.45,.94);
}

.scroll-anim[data-anim="fade-up"]{transform:translate3d(0,70px,0)}
.scroll-anim[data-anim="fade-down"]{transform:translate3d(0,-50px,0)}
.scroll-anim[data-anim="fade-right"]{transform:translate3d(-60px,0,0)}
.scroll-anim[data-anim="fade-left"]{transform:translate3d(60px,0,0)}
.scroll-anim[data-anim="blur-in"]{filter:blur(16px);transform:translate3d(0,30px,0) scale(0.95)}
.scroll-anim[data-anim="scale-up"]{transform:scale(0.8);filter:blur(4px)}

.scroll-anim.visible{
    opacity:1;
    transform:translate3d(0,0,0) scale(1);
    filter:blur(0);
}

/* ============ RESPONSIVE ============ */
@media(max-width:768px){
    .hero{padding:80px 16px 48px}
    .secao{padding:60px 0}
    .credenciais-foto img{max-width:240px}
    .container{padding:0 16px}
    .diferencial-pilares{grid-template-columns:1fr}

    /* Mobile topbar — conventional bar, not capsule */
    .topbar{top:0;left:0;transform:none;max-width:100%;border-radius:0;border:none;padding:10px 16px;background:rgba(13,51,73,0.85)}
    .topbar.hidden{transform:translateY(-100%)}
    .topbar.scrolled{background:rgba(13,51,73,0.92)}
    .topbar-inner{flex-direction:row;flex-wrap:wrap}
    .topbar-logo{height:50px}
    .menu-toggle{display:flex;order:-1}
    .topbar-brand{order:1;margin-left:auto}
    .theme-toggle{order:0;margin-left:8px}

    /* Nav — slide down */
    .topbar-nav{display:none;width:100%;flex-direction:column;gap:0;order:3;padding-top:12px;border-top:1px solid rgba(58,175,169,0.15);margin-top:12px}
    .topbar-nav a{padding:12px 0;font-size:15px;border-bottom:1px solid rgba(255,255,255,0.06)}
    .topbar-nav a:last-child{border-bottom:none}
    .menu-open .topbar-nav{display:flex}
}

@media(max-width:480px){
    .btn-glass{padding:14px 28px;font-size:14px}
}

/* ============ SELECTION ============ */
::selection{background:var(--teal);color:var(--white)}