/* ============================================================
   KORA — Image Consulting · Lisbon
   Design system: warm editorial quiet-luxury
   Palette derived from official KORA color scheme
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Jost:wght@300;400;500&display=swap');

:root{
  /* Brand palette (official) */
  --ink:        #171615;  /* Quase Preto  */
  --graphite:   #514F4C;  /* Grafite      */
  --stone:      #8B8987;  /* Cinza Pedra  */
  --bg:         #F9F9F8;  /* Branco Quente*/
  --linen:      #C1BFBC;  /* Linho        */
  --sand:       #969088;  /* Areia Escura */
  --terracotta: #865238;  /* Terracota    */
  --adobe:      #A18C79;  /* Adobe        */
  --mogno:      #451E11;  /* Mogno        */
  /* Derived */
  --cream:      #EFEAE2;  /* warm section tint */
  --cream-2:    #E7E0D6;
  --line:       #E2DDD5;  /* subtle dividers */
  --terra-soft: rgba(134,82,56,.10);

  --maxw: 1280px;
  --gutter: clamp(1.25rem, 5vw, 5rem);
  --ease: cubic-bezier(.16,1,.3,1);

  --font-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-ui: 'Jost', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-ui);
  font-weight:300;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:400;line-height:1.05;letter-spacing:.01em}
.eyebrow{
  font-family:var(--font-ui);font-weight:400;font-size:.72rem;
  letter-spacing:.32em;text-transform:uppercase;color:var(--terracotta);
}
.display{font-size:clamp(2.6rem,6vw,5rem);font-weight:300;letter-spacing:.02em}
.h2{font-size:clamp(2rem,4.5vw,3.4rem);font-weight:300}
.lead{font-family:var(--font-display);font-size:clamp(1.3rem,2.4vw,1.9rem);font-weight:300;line-height:1.45;color:var(--graphite)}
.muted{color:var(--graphite)}
em,.italic{font-style:italic;color:var(--terracotta)}

/* ---------- Layout ---------- */
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(4.5rem,11vw,9rem)}
.center{text-align:center}
.measure{max-width:62ch;margin-inline:auto}
.grid{display:grid;gap:clamp(1.5rem,4vw,3.5rem)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,5rem);align-items:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.7em;
  font-family:var(--font-ui);font-weight:400;font-size:.82rem;
  letter-spacing:.18em;text-transform:uppercase;
  padding:1.05em 2.1em;border-radius:2px;
  transition:background .4s var(--ease),color .4s var(--ease),
             border-color .4s var(--ease),transform .4s var(--ease);
  will-change:transform;
}
.btn .arrow{transition:transform .4s var(--ease)}
.btn:hover .arrow{transform:translateX(5px)}
.btn-primary{background:var(--terracotta);color:#fff}
.btn-primary:hover{background:var(--mogno)}
.btn-ghost{border:1px solid currentColor;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.btn-light{border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-light:hover{background:#fff;color:var(--ink)}

/* link with animated underline */
.link-u{position:relative;display:inline-block;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase}
.link-u::after{content:"";position:absolute;left:0;bottom:-4px;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.link-u:hover::after{transform:scaleX(1);transform-origin:left}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:1.4rem var(--gutter);
  transition:background .5s var(--ease),padding .5s var(--ease),box-shadow .5s var(--ease);
}
.nav.scrolled{background:rgba(249,249,248,.9);backdrop-filter:blur(12px);padding-block:.95rem;box-shadow:0 1px 0 var(--line)}
.nav__links{display:flex;gap:2.2rem;align-items:center}
.nav__links a{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase}
.nav__right{display:flex;gap:1.6rem;align-items:center}

/* Logo as type */
.logo{font-family:var(--font-display);line-height:1;text-align:center;transition:color .5s var(--ease)}
.logo__mark{display:block;font-size:1.5rem;font-weight:500;letter-spacing:.42em;text-indent:.42em}
.logo__sub{display:block;font-family:var(--font-ui);font-weight:300;font-size:.46rem;letter-spacing:.46em;text-transform:uppercase;margin-top:.42em;text-indent:.46em;color:var(--graphite)}
.logo__rule{display:block;width:18px;height:1px;background:currentColor;opacity:.5;margin:.45em auto}

/* nav over hero = light text; scrolled = ink */
.nav:not(.scrolled){color:#fff}
.nav:not(.scrolled) .logo__sub{color:rgba(255,255,255,.8)}
.nav:not(.scrolled) .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.nav:not(.scrolled) .btn-ghost:hover{background:#fff;color:var(--ink)}

/* language toggle */
.lang{display:flex;gap:.1rem;align-items:center;font-size:.74rem;letter-spacing:.12em}
.lang button{padding:.2em .45em;opacity:.5;transition:opacity .3s,color .3s}
.lang button.active{opacity:1;color:var(--terracotta);font-weight:400}
.nav:not(.scrolled) .lang button.active{color:#fff}
.lang .sep{opacity:.4}

/* mobile menu button */
.nav__toggle{display:none;width:30px;height:18px;position:relative}
.nav__toggle span{position:absolute;left:0;width:100%;height:1px;background:currentColor;transition:.4s var(--ease)}
.nav__toggle span:nth-child(1){top:0}
.nav__toggle span:nth-child(2){top:50%}
.nav__toggle span:nth-child(3){bottom:0}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;color:#fff}
.hero__media{position:absolute;inset:0;z-index:-2}
/* Carousel */
.hero__carousel{position:absolute;inset:0}
.hero__slide{position:absolute;inset:0;opacity:0;transition:opacity 1.3s var(--ease);pointer-events:none}
.hero__slide img{width:100%;height:100%;object-fit:cover;transform:scale(1.09);transition:transform 7s linear}
.hero__slide.is-active{opacity:1}
.hero__slide.is-active img{transform:scale(1)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(23,22,21,.5) 0%,rgba(23,22,21,.12) 30%,rgba(23,22,21,.1) 55%,rgba(23,22,21,.62) 100%)}

/* Carousel controls */
.hero__nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:54px;height:54px;border:1px solid rgba(255,255,255,.4);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:#fff;
  transition:background .4s var(--ease),border-color .4s var(--ease);backdrop-filter:blur(2px)}
.hero__nav:hover{background:rgba(255,255,255,.16);border-color:#fff}
.hero__nav.prev{left:clamp(1rem,3vw,2.5rem)}
.hero__nav.next{right:clamp(1rem,3vw,2.5rem)}
.hero__dots{position:absolute;right:clamp(1.25rem,5vw,5rem);bottom:clamp(3.5rem,9vh,6.5rem);z-index:3;display:flex;gap:.7rem}
.hero__dots button{width:9px;height:9px;border-radius:50%;border:1px solid rgba(255,255,255,.7);transition:background .3s,transform .3s}
.hero__dots button.active{background:#fff;transform:scale(1.15)}
@media (max-width:760px){.hero__nav{width:42px;height:42px}.hero__dots{bottom:1.4rem;left:50%;right:auto;transform:translateX(-50%)}}
.hero__inner{padding-bottom:clamp(3.5rem,9vh,6.5rem);max-width:640px}
.hero .eyebrow{color:rgba(255,255,255,.85)}
.hero h1{margin:.3em 0 .55em;max-width:13ch;text-shadow:0 1px 30px rgba(0,0,0,.25)}
.hero p{max-width:42ch;font-size:1.05rem;color:rgba(255,255,255,.92);margin-bottom:2rem}
.hero__cta{display:flex;gap:1rem;flex-wrap:wrap}
.scroll-cue{position:absolute;left:50%;bottom:1.8rem;transform:translateX(-50%);z-index:1;
  font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;color:rgba(255,255,255,.7);
  display:flex;flex-direction:column;align-items:center;gap:.6rem}
.scroll-cue .bar{width:1px;height:46px;background:rgba(255,255,255,.5);overflow:hidden;position:relative}
.scroll-cue .bar::after{content:"";position:absolute;top:-50%;left:0;width:100%;height:50%;background:#fff;animation:scrolldrop 2.2s var(--ease) infinite}
@keyframes scrolldrop{0%{top:-50%}60%,100%{top:100%}}

/* ============================================================
   MANIFESTO
   ============================================================ */
.manifesto{background:var(--cream)}
.manifesto .h2{margin-top:.4em}
.manifesto .lead{margin-top:1.6rem}
.sig{font-family:var(--font-display);font-style:italic;font-size:1.5rem;color:var(--terracotta);margin-top:2rem}

/* ============================================================
   SERVICES
   ============================================================ */
.services-head{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;flex-wrap:wrap;margin-bottom:clamp(2.5rem,6vw,4rem)}
.cards{grid-template-columns:repeat(4,1fr)}
.card{position:relative;cursor:pointer}
.card__img{position:relative;overflow:hidden;border-radius:2px;aspect-ratio:3/4;background:var(--linen)}
.card__img img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.card:hover .card__img img{transform:scale(1.06)}
.card__num{position:absolute;top:1rem;left:1rem;z-index:2;color:#fff;font-family:var(--font-display);font-size:.95rem;letter-spacing:.1em;mix-blend-mode:difference}
.card h3{font-size:1.5rem;margin:1.1rem 0 .35rem}
.card__price{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--terracotta)}
.card p{font-size:.92rem;color:var(--graphite);margin:.5rem 0 .9rem}

/* ============================================================
   APPROACH (split, dark)
   ============================================================ */
.approach{background:var(--ink);color:var(--bg)}
.approach .eyebrow{color:var(--adobe)}
.approach .lead{color:rgba(249,249,248,.78)}
.approach__img{overflow:hidden;border-radius:2px;aspect-ratio:4/5}
.approach__img img{width:100%;height:100%;object-fit:cover}
.approach ul.ticks{margin-top:2rem;display:grid;gap:1.1rem}
.approach ul.ticks li{display:flex;gap:1rem;align-items:flex-start;font-size:.98rem;color:rgba(249,249,248,.85)}
.approach ul.ticks .n{font-family:var(--font-display);font-style:italic;color:var(--adobe);font-size:1.3rem;line-height:1}

/* ============================================================
   ABOUT
   ============================================================ */
.about__img{overflow:hidden;border-radius:2px;aspect-ratio:4/5;position:relative}
.about__img img{width:100%;height:100%;object-fit:cover}
.about__tag{position:absolute;bottom:0;left:0;background:var(--bg);padding:1.1rem 1.5rem;font-family:var(--font-display);font-style:italic;font-size:1.15rem}

/* ============================================================
   TESTIMONIALS (placeholder)
   ============================================================ */
.quote{background:var(--cream);text-align:center}
.quote blockquote{font-family:var(--font-display);font-weight:300;font-size:clamp(1.6rem,3.6vw,2.7rem);line-height:1.35;max-width:24ch;margin:1.5rem auto}
.quote .badge{display:inline-block;font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:var(--sand);border:1px solid var(--line);border-radius:2px;padding:.5em 1em;margin-top:1rem}

/* ============================================================
   LEAD / NEWSLETTER
   ============================================================ */
.lead-capture{background:var(--cream-2)}
.form{display:grid;gap:1rem;max-width:560px;margin-top:2rem}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field{display:flex;flex-direction:column;gap:.4rem}
.field label{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--graphite)}
.field input,.field textarea{
  font:inherit;font-size:.95rem;background:transparent;
  border:none;border-bottom:1px solid var(--sand);padding:.7em .2em;color:var(--ink);
  transition:border-color .3s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--terracotta)}
.field textarea{resize:vertical;min-height:70px}
.form .btn{justify-self:start;margin-top:.6rem}
.note{font-size:.78rem;color:var(--sand);margin-top:.8rem}

/* ============================================================
   FINAL CTA
   ============================================================ */
.cta-band{position:relative;text-align:center;color:#fff;overflow:hidden}
.cta-band__media{position:absolute;inset:0;z-index:-2}
.cta-band__media img{width:100%;height:100%;object-fit:cover}
.cta-band::after{content:"";position:absolute;inset:0;z-index:-1;background:rgba(69,30,17,.55)}
.cta-band .h2{margin:.5em 0 1.2rem}
.cta-band p{max-width:48ch;margin:0 auto 2rem;color:rgba(255,255,255,.9)}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--ink);color:rgba(249,249,248,.72);padding-block:clamp(3rem,7vw,5rem)}
.footer a:hover{color:#fff}
.footer__top{display:flex;justify-content:space-between;gap:3rem;flex-wrap:wrap;padding-bottom:3rem;border-bottom:1px solid rgba(255,255,255,.12)}
.footer .logo{color:var(--bg);text-align:left}
.footer .logo__mark{font-size:1.3rem}
.footer .logo__rule{margin-inline:0}
.footer__col h4{font-family:var(--font-ui);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--adobe);margin-bottom:1rem}
.footer__col a,.footer__col p{display:block;font-size:.9rem;margin-bottom:.5rem}
.footer__bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:2rem;font-size:.78rem;color:var(--sand)}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  .cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .split{grid-template-columns:1fr}
  .about .split{direction:ltr}
  .nav__links{
    position:fixed;inset:0;flex-direction:column;justify-content:center;
    background:var(--bg);color:var(--ink);gap:2rem;font-size:1rem;
    transform:translateX(100%);transition:transform .5s var(--ease);z-index:40}
  .nav.open .nav__links{transform:none}
  .nav__links a{font-size:1.05rem;letter-spacing:.18em}
  .nav__toggle{display:block;z-index:60}
  .nav.open{color:var(--ink)}
  .nav.open .nav__toggle span:nth-child(1){top:50%;transform:rotate(45deg)}
  .nav.open .nav__toggle span:nth-child(2){opacity:0}
  .nav.open .nav__toggle span:nth-child(3){bottom:auto;top:50%;transform:rotate(-45deg)}
  .nav__desktop-cta{display:none}
  .cards{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}
  .footer__top{flex-direction:column;gap:2rem}
}

/* ============================================================
   ACCESSIBILITY — reduced motion
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  .hero__media img{animation:none}
  .reveal{opacity:1;transform:none}
}

/* focus visibility */
:focus-visible{outline:2px solid var(--terracotta);outline-offset:3px}