:root{
    --paper:#FFFFFF;
    --paper-2:#FFFFFF;
    --ink:#141414;
    --ink-soft:#1A1A1A;
    --urban:#8B857A;
    --rule:rgba(20,20,20,0.12);
    --rule-strong:rgba(20,20,20,0.22);
    --rule-light:rgba(255,255,255,0.22);
    --ease:cubic-bezier(0.22,1,0.36,1);
  }

  *{margin:0;padding:0;box-sizing:border-box;}
  html,body{
    background:var(--paper);color:var(--ink);
    font-family:'Space Grotesk',sans-serif;font-weight:300;line-height:1.5;
    -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
    overflow-x:hidden;
  }
  ::selection{background:var(--ink);color:var(--paper);}
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;}
  button{font-family:inherit;cursor:pointer;background:none;border:none;color:inherit;}
  input{font-family:inherit;}
  .mono{font-family:'JetBrains Mono',monospace;}

  .lang-mark{
    font-family:'Space Grotesk',sans-serif;font-weight:300;letter-spacing:0.02em;
    text-transform:uppercase;
    display:inline-flex;flex-direction:column;align-items:center;line-height:1;
  }
  .lang-mark__sub{
    font-size:0.22em;font-weight:300;letter-spacing:0.45em;
    margin-top:0.4em;text-transform:lowercase;opacity:0.85;padding-left:0.45em;
  }

  /* ============ HEADER ============ */
  .header{
    position:fixed;top:0;left:0;right:0;z-index:110;
    display:flex;justify-content:space-between;align-items:center;
    padding:28px 40px;
    transition:padding .6s var(--ease),background .5s var(--ease);
    background:rgba(255,255,255,0);
  }
  .header.scrolled{
    padding:18px 40px;
  }
  .header .lang-mark{font-size:18px;letter-spacing:0.12em;}
  .header .lang-mark__sub{display:none;}
  .nav{display:flex;gap:36px;}
  .nav a{
    font-size:10px;font-weight:300;letter-spacing:0.32em;text-transform:uppercase;
    position:relative;padding:6px 2px;
  }
  .nav a.active::before{
    content:"";position:absolute;left:-14px;top:50%;width:6px;height:1px;
    background:currentColor;transform:translateY(-50%);
  }
  .nav a::after{
    content:"";position:absolute;left:0;bottom:2px;height:1px;width:0;
    background:currentColor;transition:width .5s var(--ease);
  }
  .nav a:hover::after,.nav a.active::after{width:100%;}
  .menu-btn{display:none;}

  /* ============ LOGIN PAGE ============ */
  .login{
    min-height:100vh;
    padding:180px 40px 120px;
    display:grid;
    grid-template-columns:1fr minmax(460px,560px) 1fr;
    align-items:start;
    position:relative;
  }
  .login__section{
    grid-column:1/2;
    align-self:start;
    justify-self:start;
    font-size:10px;letter-spacing:0.42em;text-transform:uppercase;
    font-weight:400;opacity:0.5;
    padding-left:0;
    display:flex;align-items:center;gap:14px;
  }
  .login__section::before{
    content:"";width:28px;height:1px;background:var(--ink);opacity:0.5;
  }
  .login__counter{
    grid-column:3/4;
    align-self:start;
    justify-self:end;
    font-family:'JetBrains Mono',monospace;
    font-size:10px;letter-spacing:0.04em;font-weight:300;opacity:0.5;
  }

  .form{
    grid-column:2/3;
    grid-row:2;
    display:flex;flex-direction:column;
    padding-top:48px;
  }

  .form__eyebrow{
    font-size:10px;letter-spacing:0.42em;text-transform:uppercase;
    font-weight:400;opacity:0.55;
    display:flex;align-items:center;gap:14px;
    margin-bottom:36px;
  }
  .form__eyebrow::before{
    content:"";width:48px;height:1px;background:var(--ink);opacity:0.5;
  }

  .form__title{
    font-size:clamp(40px,5.2vw,72px);
    font-weight:300;line-height:0.98;letter-spacing:-0.028em;
    text-transform:lowercase;
    margin-bottom:22px;
  }
  .form__title em{font-style:italic;}

  .form__sub{
    font-size:15px;line-height:1.65;font-weight:300;
    color:rgba(20,20,20,0.72);max-width:440px;
    margin-bottom:64px;
  }

  .field{
    position:relative;
    padding-top:28px;padding-bottom:14px;
    border-bottom:1px solid var(--rule-strong);
    transition:border-color .4s var(--ease);
  }
  .field + .field{margin-top:28px;}

  .field__label{
    position:absolute;top:8px;left:0;
    font-family:'JetBrains Mono',monospace;
    font-size:10px;letter-spacing:0.24em;text-transform:uppercase;
    font-weight:300;opacity:0.55;
    pointer-events:none;
    transition:opacity .3s var(--ease),color .3s var(--ease);
  }
  .field__index{
    position:absolute;top:8px;right:0;
    font-family:'JetBrains Mono',monospace;
    font-size:10px;letter-spacing:0.08em;
    font-weight:300;opacity:0.4;
  }

  .field__input{
    width:100%;
    background:transparent;border:none;outline:none;
    font-family:'Space Grotesk',sans-serif;
    font-size:18px;font-weight:300;letter-spacing:-0.005em;
    color:var(--ink);
    padding:6px 0;
  }
  .field__input::placeholder{color:rgba(20,20,20,0.25);font-weight:300;}

  .field:focus-within{border-bottom-color:var(--ink);}
  .field:focus-within .field__label{opacity:1;color:var(--ink);}

  .field__row-password{position:relative;}
  .field__toggle{
    position:absolute;right:0;top:50%;transform:translateY(-50%);
    font-family:'JetBrains Mono',monospace;
    font-size:10px;letter-spacing:0.24em;text-transform:uppercase;
    opacity:0.55;transition:opacity .3s var(--ease);
    padding:6px 4px;
  }
  .field__toggle:hover{opacity:1;}

  .form__actions{
    margin-top:48px;
    display:flex;align-items:center;justify-content:space-between;gap:24px;
  }
  .btn{
    display:inline-flex;align-items:center;gap:16px;
    padding:22px 32px;
    background:var(--ink);color:var(--paper);
    font-size:10px;letter-spacing:0.36em;text-transform:uppercase;font-weight:400;
    transition:background .4s var(--ease),color .4s var(--ease);
    position:relative;overflow:hidden;
  }
  .btn::after{
    content:"";position:absolute;inset:0;
    background:var(--urban);
    transform:translateY(101%);
    transition:transform .5s var(--ease);
    z-index:0;
  }
  .btn > *{position:relative;z-index:1;}
  .btn:hover::after{transform:translateY(0);}
  .btn .arrow{
    display:inline-block;transition:transform .5s var(--ease);
    font-family:'JetBrains Mono',monospace;letter-spacing:0;
  }
  .btn:hover .arrow{transform:translateX(6px);}

  .form__forgot{
    font-size:10px;letter-spacing:0.32em;text-transform:uppercase;
    font-weight:400;opacity:0.6;
    position:relative;padding-bottom:2px;
    transition:opacity .3s var(--ease);
  }
  .form__forgot::after{
    content:"";position:absolute;left:0;bottom:0;
    width:100%;height:1px;background:var(--ink);
    transform:scaleX(0);transform-origin:left;
    transition:transform .5s var(--ease);
  }
  .form__forgot:hover{opacity:1;}
  .form__forgot:hover::after{transform:scaleX(1);}

  .form__fine{
    margin-top:64px;padding-top:28px;
    border-top:1px solid var(--rule);
    display:flex;justify-content:space-between;align-items:baseline;gap:24px;
    font-size:11px;font-weight:300;letter-spacing:-0.002em;
    color:rgba(20,20,20,0.6);
  }
  .form__fine a{
    border-bottom:1px solid var(--rule-strong);
    padding-bottom:1px;transition:border-color .3s var(--ease);
  }
  .form__fine a:hover{border-bottom-color:var(--ink);}
  .form__fine .mono{font-size:10px;letter-spacing:0.24em;text-transform:uppercase;opacity:0.75;}

  /* ============ FOOTER ============ */
  .footer{
    background:var(--ink);color:var(--paper);
    padding:100px 40px 40px;
  }
  .footer__top{
    display:grid;grid-template-columns:1fr 1fr;gap:48px;
    padding-bottom:72px;border-bottom:1px solid var(--rule-light);
    align-items:start;
  }
  .footer__mark{font-size:96px;font-weight:300;}
  .footer__mark .lang-mark__sub{opacity:0.6;}
  .footer__contact{
    justify-self:end;text-align:right;
    font-size:12px;line-height:1.7;font-weight:300;letter-spacing:0.02em;
  }
  .footer__contact small{
    display:block;opacity:0.5;font-size:10px;letter-spacing:0.32em;
    text-transform:uppercase;margin-bottom:14px;
  }
  .footer__bottom{
    margin-top:40px;
    display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
    font-size:10px;letter-spacing:0.28em;text-transform:uppercase;font-weight:400;opacity:0.75;
  }
  .footer__social{display:flex;gap:12px;}
  .footer__social a{
    display:inline-flex;align-items:center;justify-content:center;
    width:46px;height:46px;border:1px solid var(--rule-light);
    transition:background .4s var(--ease),color .4s var(--ease);
  }
  .footer__social a:hover{background:var(--paper);color:var(--ink);}
  .footer__social svg{width:18px;height:18px;stroke-width:1.3;}
  .footer__right{display:flex;gap:32px;align-items:center;}
  .footer__right a{position:relative;padding-bottom:2px;}
  .footer__right a::after{
    content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:currentColor;
    transition:width .5s var(--ease);
  }
  .footer__right a:hover::after{width:100%;}

  /* ============ REVEAL ============ */
  .reveal{opacity:0;transform:translateY(14px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
  .reveal.is-in{opacity:1;transform:translateY(0);}
  .d1{transition-delay:.08s;}
  .d2{transition-delay:.16s;}
  .d3{transition-delay:.24s;}
  .d4{transition-delay:.32s;}
  .d5{transition-delay:.40s;}

  /* ============ MOBILE MENU ============ */
  .menu-btn{
    display:none;flex-direction:column;gap:5px;padding:8px;
  }
  .menu-btn span{
    display:block;width:22px;height:1px;background:currentColor;
    transition:transform .4s var(--ease),opacity .3s var(--ease);
  }
  .menu-btn.open span:nth-child(1){transform:translateY(3px) rotate(45deg);}
  .menu-btn.open span:nth-child(2){transform:translateY(-3px) rotate(-45deg);}
  .mobile-menu{
    position:fixed;inset:0;z-index:105;
    background:var(--paper);color:var(--ink);
    display:flex;flex-direction:column;justify-content:space-between;
    padding:100px 24px 36px;
    opacity:0;pointer-events:none;
    transform:translateY(-8px);
    transition:opacity .45s var(--ease),transform .5s var(--ease);
  }
  .mobile-menu.open{opacity:1;pointer-events:auto;transform:translateY(0);}
  .mobile-menu__nav{
    display:flex;flex-direction:column;gap:0;margin-top:16px;
  }
  .mobile-menu__nav a{
    font-size:44px;font-weight:300;letter-spacing:-0.028em;line-height:1.15;
    text-transform:lowercase;
    padding:20px 0;border-bottom:1px solid var(--rule);
    display:flex;justify-content:space-between;align-items:center;
  }
  .mobile-menu__nav a .arrow{font-size:20px;opacity:0.5;transition:transform .5s var(--ease);}
  .mobile-menu__nav a:hover .arrow{transform:translateX(10px);}
  .mobile-menu__foot{
    font-size:10px;letter-spacing:0.32em;text-transform:uppercase;font-weight:400;opacity:0.55;
    display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  }
  @media (min-width:861px){
    .mobile-menu{display:none!important;}
  }

  /* ============ RESPONSIVE ============ */
  @media (max-width:860px){
    .login{padding:130px 22px 80px;grid-template-columns:1fr;}
    .login__section,.login__counter{grid-column:1;justify-self:start;}
    .login__counter{margin-top:10px;}
    .form{grid-column:1;grid-row:auto;padding-top:28px;max-width:560px;}
  }

  @media (max-width:720px){
    .header{padding:20px 22px;}
    .header.scrolled{padding:14px 22px;}
    .nav{display:none;}
    .menu-btn{display:flex;}

    .footer{padding:72px 22px 32px;}
    .footer__top{grid-template-columns:1fr;gap:40px;}
    .footer__contact{justify-self:start;text-align:left;}
    .footer__mark{font-size:64px;}
    .footer__bottom{flex-direction:column;align-items:flex-start;gap:20px;}
    .footer__right{flex-wrap:wrap;gap:18px;}
  }

  @media (max-width:520px){
    .form__title{font-size:44px;}
    .form__sub{margin-bottom:48px;}
    .form__actions{flex-direction:column;align-items:stretch;gap:18px;}
    .btn{justify-content:space-between;padding:20px 24px;}
    .form__forgot{align-self:flex-start;}
    .form__fine{flex-direction:column;align-items:flex-start;gap:10px;}
  }

  /* ============ LOGIN — extras (erro / lembrar) ============ */
  .form__error{
    margin-bottom:24px;padding:12px 16px;
    border:1px solid var(--rule-strong);border-left:2px solid #c0392b;
    font-size:13px;color:#7a2018;background:rgba(192,57,43,0.05);
  }
  .form__remember{
    display:flex;align-items:center;gap:10px;
    font-size:12px;letter-spacing:0.04em;opacity:0.75;margin-bottom:36px;
  }
  .form__remember input{width:14px;height:14px;}

  /* ============ DASHBOARD — MEUS PROJETOS ============ */
  .cliente-area{min-height:100vh;display:flex;flex-direction:column;}
  .cliente-area__bar{
    display:flex;align-items:center;justify-content:space-between;
    padding:28px 40px;border-bottom:1px solid var(--rule);
  }
  .cliente-area__logout{
    font-size:11px;letter-spacing:0.24em;text-transform:uppercase;
    display:inline-flex;align-items:center;gap:8px;opacity:0.7;
    transition:opacity .3s var(--ease);
  }
  .cliente-area__logout:hover{opacity:1;}

  .cliente-area__body{padding:80px 40px 120px;max-width:1280px;width:100%;margin:0 auto;}
  .cliente-area__head{margin-bottom:64px;}
  .cliente-area__eyebrow{
    font-size:10px;letter-spacing:0.42em;text-transform:uppercase;opacity:0.5;
  }
  .cliente-area__title{
    font-size:clamp(48px,7vw,96px);font-weight:300;line-height:0.95;
    letter-spacing:-0.03em;text-transform:lowercase;margin:18px 0 16px;
  }
  .cliente-area__sub{font-size:15px;opacity:0.7;max-width:520px;}

  .meus-projetos{
    display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
    gap:32px;
  }
  .meus-projetos__empty{font-size:15px;opacity:0.6;}

  .projeto-card{
    border:1px solid var(--rule);
    display:flex;flex-direction:column;
    transition:border-color .4s var(--ease);
  }
  .projeto-card:hover{border-color:var(--rule-strong);}
  .projeto-card__cover{
    aspect-ratio:4/3;background:var(--urban);
    background-size:cover;background-position:center;
  }
  .projeto-card__info{
    padding:22px 24px 26px;display:flex;flex-direction:column;gap:18px;
    flex:1;justify-content:space-between;
  }
  .projeto-card__title{
    font-size:20px;font-weight:400;letter-spacing:-0.01em;line-height:1.2;
  }
  .projeto-card__dl{
    display:inline-flex;align-items:center;gap:10px;align-self:flex-start;
    font-size:11px;letter-spacing:0.2em;text-transform:uppercase;
    padding:12px 18px;border:1px solid var(--ink);
    transition:background .3s var(--ease),color .3s var(--ease);
  }
  .projeto-card__dl:hover{background:var(--ink);color:var(--paper);}
  .projeto-card__empty{font-size:12px;opacity:0.45;letter-spacing:0.06em;}

  @media (max-width:600px){
    .cliente-area__bar{padding:20px 22px;}
    .cliente-area__body{padding:56px 22px 90px;}
    .meus-projetos{grid-template-columns:1fr;gap:24px;}
  }