/* ═══════════════════════════════════════════════════════════════
   TRAMUNTANA · tonimontenegro.com
   Shared stylesheet — nav, footer, tokens, base
   ─────────────────────────────────────────────────────────────
   Secciones:
   1. Design tokens (:root)
   2. Reset & base
   3. Utilidades globales (cursor, grain, progress, layout)
   4. Idiomas
   5. Animaciones
   6. Scrollbar
   7. NAV — home & legal  (nav.nav-home)
   8. NAV — case studies  (nav.nav-case)
   9. FOOTER              (footer.site-footer)
═══════════════════════════════════════════════════════════════ */


/* ─────────────────────────────────────────────────────────────
   1. DESIGN TOKENS
───────────────────────────────────────────────────────────── */
:root {
  /* Fondos */
  --bg:     #FDFBF7;
  --bg2:    #F4EFE6;
  --panel:  #EAE0D1;

  /* Bordes y líneas */
  --line:   rgba(45, 25, 15, 0.10);

  /* Texto */
  --dark:   #24160c;
  --mid:    rgba(17, 10, 6, 0.64);
--faint:  rgba(45, 25, 15, 0.85);  /* era 0.40 */
  --ghost:  rgba(45, 25, 15, 0.12);

  /* Acento principal — verde pino */
  --acc:    #2E6F40;
  --acc-l:  #3E9255;

  /* Tipografías */
  --fd: 'Playfair Display', Georgia, serif;
  --fb: 'Barlow', sans-serif;
  --fm: 'Barlow Condensed', sans-serif;

  /* Layout */
  --max: 1200px;
  --gut: clamp(1.2rem, 5vw, 4.5rem);

  /* Aliases heredados de index.html (compatibilidad) */
  --night:  #14120e;
  --deep:   #F4EFE6;
  --border: rgba(45, 25, 15, 0.10);
  --sea:    #2E6F40;
  --sea-l:  #3E9255;
  --gold:   #2E6F40;
  --gold-l: #3E9255;
  --white:  #FDFBF7;
  --w60:    rgba(17, 10, 6, 0.64);
  --w30:    rgba(45, 25, 15, 0.40);
  --w10:    rgba(45, 25, 15, 0.12);
  --w06:    rgba(45, 25, 15, 0.06);
}


/* ─────────────────────────────────────────────────────────────
   2. RESET & BASE
───────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 100px;
}

body {
  background: var(--bg);
  color: var(--dark);
  font-family: var(--fb);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}


/* ─────────────────────────────────────────────────────────────
   3. UTILIDADES GLOBALES
───────────────────────────────────────────────────────────── */

/* Layout wrapper */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gut);
}

/* Cursor personalizado */
body { cursor: none; }

#cur {
  position: fixed; transform: translate3d(-100px,-100px,0);
  width: 8px; height: 8px;
  background: var(--gold);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width .18s, height .18s, opacity .18s, background .18s;
}
#cur.big {
  width: 44px; height: 44px;
  background: var(--gold);
  opacity: .12;
}
@media (hover: none), (max-width: 768px) {
  #cur { display: none; }
  body { cursor: auto; }
}

/* Grano / noise */
body::after {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: .02;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
}

/* Barra de progreso de scroll */
#prog {
  position: fixed; top: 0; left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--sea), var(--gold));
  z-index: 200; width: 0;
  transition: width .1s linear;
}

/* Reveal on scroll */
.rv {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .75s ease, transform .75s ease;
}
.rv.on {
  opacity: 1;
  transform: translateY(0);
}


/* ─────────────────────────────────────────────────────────────
   4. IDIOMAS — switcher multilingual
───────────────────────────────────────────────────────────── */
[data-l]          { display: none; }
[data-l="en"]     { display: block; }
span[data-l]      { display: none; }
span[data-l="en"] { display: inline; }


/* ─────────────────────────────────────────────────────────────
   5. ANIMACIONES
───────────────────────────────────────────────────────────── */
@keyframes up { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fi { from { opacity: 0; } to { opacity: 1; } }


/* ─────────────────────────────────────────────────────────────
   6. SCROLLBAR
───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--gold); }


/* ═══════════════════════════════════════════════════════════════
   7. NAV — HOME & LEGAL
   Uso: <nav class="nav-home"> en index.html y páginas legales
   Estructura:
     <nav class="nav-home">
       <a class="nlogo" href="index.html">Toni Montenegro<span class="dot">·</span></a>
       <div class="nav-right">
         <div class="nav-links">
           <a class="nav-link" href="#cases">Cases</a>
           <a class="nav-link" href="#phil">Philosophy</a>
           <a class="nav-link" href="#about">About</a>
           <a class="nav-link nav-cta" href="#contact">Contact</a>
         </div>
         <div class="nav-langs">
           <button class="lb on" onclick="setL('en')">EN</button>
           ...
         </div>
       </div>
     </nav>
═══════════════════════════════════════════════════════════════ */

nav.nav-home {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem var(--gut);
  background: rgba(253, 251, 247, .99);
  border-bottom: 1px solid var(--line);
  gap: 1rem;
  overflow: hidden;
}
@media (max-width: 480px) {
  nav.nav-home {
    padding: .75rem 1rem;
    gap: .5rem;
  }
  nav.nav-home .nlogo {
    font-size: 1rem;
    letter-spacing: .04em;
  }
}

/* ── Logo — compartido entre ambos navs ── */
.nlogo {
  font-family: var(--fd);
  font-size: 1.2rem;
  letter-spacing: .08em;
  color: var(--dark);
  font-weight: 700;
  font-style: italic;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  flex-shrink: 0;
  text-decoration: none;
  transition: opacity .2s;
}
.nlogo:hover { opacity: .7; }
.nlogo .dot,
.nlogo span { color: var(--gold); font-style: normal; }

/* ── Grupo derecho ── */
.nav-right {
  display: flex;
  align-items: center;
  gap: clamp(.6rem, 2vw, 2rem);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(.5rem, 1.8vw, 2rem);
}

.nav-link {
  font-family: var(--fm);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--w60);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 400;
  transition: color .2s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--dark); }

/* Enlace Contact — gris uniforme en home y case studies */
.nav-link.nav-cta,
.nr a:last-of-type {
  color: var(--mid);
}
.nav-link.nav-cta:hover,
.nr a:last-of-type:hover {
  color: var(--dark);
}

/* Case study nav: Contact sin fondo de color, borde sutil */
nav.nav-case .nav-cta {
  background: transparent;
  color: var(--mid) !important;
  padding: .45rem .9rem;
  border: 1px solid var(--line);
  border-radius: 2px;
}
nav.nav-case .nav-cta:hover {
  color: var(--dark) !important;
  border-color: rgba(45,25,15,.28);
}

/* Ocultar en pantallas pequeñas */
.nav-link.hide-md { display: none; }
@media (min-width: 640px) { .nav-link.hide-md { display: inline-flex; } }

/* Compatibilidad con clase .hm de index.html */
.nr { display: flex; gap: clamp(.8rem, 2.5vw, 2.2rem); align-items: center; }
.nr a {
  font-family: var(--fm); font-size: .7rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--w60); transition: color .2s;
  display: inline-flex; align-items: center; min-height: 44px; font-weight: 400;
}
.nr a:hover { color: var(--dark); }
.nr a.hm { display: none; }
@media (min-width: 640px) { .nr a.hm { display: inline-flex; } }

/* ── Selector de idioma ── */
.nav-langs,
.langs {
  display: flex;
  align-items: center;
  gap: .15rem;
  padding-left: clamp(.4rem, 1vw, 1rem);
  border-left: 1px solid var(--line);
  flex-shrink: 1;
  min-width: 0;
}

.lb {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--fm);
  font-size: .6rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--w30);
  padding: .2rem .35rem;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  transition: color .2s;
  border-bottom: 1px solid transparent;
}
.lb:hover { color: var(--sea); }
.lb.on { color: var(--gold); border-bottom-color: var(--gold); font-weight: 500; }

@media (max-width: 480px) {
  .nav-langs,
  .langs {
    gap: .05rem;
    padding-left: .4rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-shrink: 1;
    min-width: 0;
  }
  .nav-langs::-webkit-scrollbar,
  .langs::-webkit-scrollbar { display: none; }
  .lb {
    font-size: .54rem;
    padding: .15rem .22rem;
    min-height: 32px;
    letter-spacing: .04em;
  }
}


/* ═══════════════════════════════════════════════════════════════
   8. NAV — CASE STUDIES
   Uso: <nav class="nav-case"> en todos los *-case-study.html
   Estructura:
     <nav class="nav-case">
       <a class="nlogo" href="index.html">Toni Montenegro<span class="dot">·</span></a>
       <div class="nav-case-info">
         <span class="nav-case-title">Scandinavian Travel</span>
         <span class="nav-case-tag">Case Study · 2024–2</span>
       </div>
       <div class="nav-case-right">
         <a class="nav-next" href="yns-case-study.html">Next case <svg…/></a>
         <a class="nav-link nav-cta" href="index.html#contact">Contact</a>
         <div class="nav-langs">…</div>
       </div>
     </nav>
═══════════════════════════════════════════════════════════════ */

nav.nav-case {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .85rem var(--gut);
  background: rgba(246, 244, 240, .99);
  border-bottom: 1px solid var(--line);
  gap: 1.5rem;
  overflow: hidden;
}

/* Bloque central: título del case */
.nav-case-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .08rem;
  flex: 1;
  min-width: 0;
  padding: 0 1rem;
  /* Prevent nav from growing too wide and wrapping */
  max-width: 220px;
}

.nav-case-title {
  font-family: var(--fd);
  font-size: .82rem;
  font-style: italic;
  font-weight: 600;
  color: var(--dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  line-height: 1.2;
}

.nav-case-tag {
  font-family: var(--fm);
  font-size: .52rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mid);
  line-height: 1;
}

/* Grupo derecho del case nav */
.nav-case-right {
  display: flex;
  align-items: center;
  gap: clamp(.5rem, 1.5vw, 1.8rem);
  flex-shrink: 0;
  min-width: 0;
}

/* Enlace "Next case ›" */
.nav-next {
  font-family: var(--fm);
  font-size: .6rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mid);
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  min-height: 44px;
  transition: color .2s;
  white-space: nowrap;
}
.nav-next:hover { color: var(--acc); }
.nav-next svg { transition: transform .2s; }
.nav-next:hover svg { transform: translateX(3px); }

/* Responsive case nav */
@media (max-width: 700px) {
  .nav-case-info { display: none; }
}
@media (max-width: 480px) {
  .nav-next { display: none; }
  nav.nav-case .nav-cta { display: none; }
}
@media (max-width: 600px) {
  nav.nav-case { padding: .7rem 1rem; gap: .5rem; }
  nav.nav-case .nlogo { font-size: 1rem; letter-spacing: .04em; }
}


/* ═══════════════════════════════════════════════════════════════
   9. FOOTER — TODAS LAS PÁGINAS
   Uso: <footer class="site-footer"> en todos los HTML
   Estructura:
     <footer class="site-footer">
       <div class="ft-inner">
         <div class="ft-col-left">…identity + portfolio…</div>
         <div class="ft-col-right">…social links…</div>
       </div>
       <div class="ft-bottom">…copyright + legal…</div>
     </footer>
═══════════════════════════════════════════════════════════════ */

footer.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--line);
  padding: clamp(3.5rem, 6vw, 6rem) var(--gut) clamp(2.5rem, 5vw, 4rem);
}

/* Grid de dos columnas */
.ft-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem 5rem;
  align-items: start;
}
@media (max-width: 680px) {
  .ft-inner { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ── Columna izquierda: identidad ── */
.ft-name {
  font-family: var(--fd);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  font-style: italic;
  color: var(--dark);
  line-height: 1;
  margin-bottom: .35rem;
}

.ft-role {
  font-family: var(--fm);
  font-size: .56rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 2rem;
}

/* Etiqueta de sección interna del footer */
.ft-section-label {
  font-family: var(--fm);
  font-size: .5rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--acc);
  margin-bottom: .55rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.ft-section-label::before {
  content: '';
  width: 1.2rem; height: 1px;
  background: var(--acc);
  flex-shrink: 0;
}

/* Links del portfolio */
.ft-portfolio-links {
  display: flex;
  flex-wrap: wrap;
  gap: .15rem .05rem;
  margin-bottom: 1.6rem;
}

.ft-case-link {
  font-family: var(--fm);
  font-size: 0.58rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mid);
  transition: color .2s;
}
.ft-case-link:hover { color: var(--acc); }

.ft-case-sep {
  font-family: var(--fm);
  font-size: .58rem;
  color: var(--line);
  padding: 0 .4rem;
  pointer-events: none;
  user-select: none;
}

/* Due Diligence — link standalone */
.ft-due {
  font-family: var(--fm);
  font-size: .58rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mid);
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  transition: color .2s;
}
.ft-due:hover { color: var(--acc); }
.ft-due::before {
  content: '';
  width: .9rem; height: 1px;
  background: currentColor;
  opacity: .4;
}

/* ── Columna derecha: redes sociales ── */
.ft-social-links {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  margin-bottom: 0;
}

.ft-social-link {
  font-family: var(--fm);
  font-size: .62rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mid);
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  min-height: 32px;
  transition: color .2s;
  width: fit-content;
}
.ft-social-link:hover { color: var(--acc); }
.ft-social-link svg { flex-shrink: 0; opacity: .5; transition: opacity .2s; }
.ft-social-link:hover svg { opacity: 1; }

/* ── Barra inferior: copyright + legal ── */
.ft-bottom {
  max-width: var(--max);
  margin: 2.5rem auto 0;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .8rem 2rem;
}

.ft-copy {
  font-family: var(--fm);
  font-size: .5rem;
  letter-spacing: .11em;
  text-transform: uppercase;
color: rgba(45, 25, 15, .82);
}

.ft-legal-links {
  display: flex;
  align-items: center;
  gap: .15rem;
}

.ft-legal-link {
  font-family: var(--fm);
  font-size: .5rem;
  letter-spacing: .1em;
  text-transform: uppercase;
color: rgba(45, 25, 15, .85);  
  transition: color .2s;
  padding: .1rem .25rem;
}
.ft-legal-link:hover { color: var(--acc); }

.ft-legal-dot {
  font-size: .4rem;
  color: rgba(45, 25, 15, .15);
  padding: 0 .05rem;
  user-select: none;
}

/* ── Botón volver arriba ── */
.ft-top {
  background: none;
  border: 1px solid rgba(45, 25, 15, 0.22);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--mid);
  transition: color .2s, border-color .2s, background .2s, transform .2s;
  flex-shrink: 0;
}
.ft-top:hover {
  color: var(--bg);
  background: var(--dark);
  border-color: var(--dark);
  transform: translateY(-3px);
}
.ft-top svg { display: block; }




/* ══════════════════════════════════════════════════════════════
   MOBILE HAMBURGER — applies to ALL pages
   nav-home AND nav-case both get the hamburger on ≤768px
══════════════════════════════════════════════════════════════ */

/* ── Hamburger button ── */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px; height: 44px;
  background: none; border: none;
  cursor: pointer; padding: 0;
  margin-left: auto; flex-shrink: 0;
  z-index: 200;
}
.nav-burger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--dark);
  transition: transform .3s, opacity .3s, width .3s;
  transform-origin: center;
}
.nav-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; width: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-burger { display: flex; }
  /* Hide all desktop-only right-side content */
  nav.nav-home .nav-right { display: none !important; }
  nav.nav-case .nav-case-right { display: none !important; }
  nav.nav-case .nav-case-info { display: none !important; }
  /* Ensure drawer is renderable on mobile */
  .nav-drawer { display: block; }
}
@media (min-width: 769px) {
  .nav-burger { display: none !important; }
  nav.nav-home .nav-right { display: flex !important; }
  nav.nav-case .nav-case-right { display: flex !important; }
  /* Drawer never shows on desktop */
  .nav-drawer { display: none !important; }
}

/* ── Drawer overlay ── */
.nav-drawer {
  position: fixed; inset: 0;
  z-index: 201;
  pointer-events: none; visibility: hidden;
}
.nav-drawer.open { pointer-events: auto; visibility: visible; }

.nav-drawer-backdrop {
  position: absolute; inset: 0;
  background: rgba(14,12,8,.97);
  opacity: 0;
  transition: opacity .35s ease;
}
.nav-drawer.open .nav-drawer-backdrop { opacity: 1; }

.nav-drawer-inner {
  position: absolute; top: 0; right: 0;
  width: min(320px, 90vw); height: 100%;
  background: #FDFBF7;
  display: flex; flex-direction: column;
  padding: 5rem 2rem 3rem; gap: 0;
  transform: translateX(100%);
  -webkit-transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  box-shadow: -8px 0 40px rgba(20,18,14,.12);
  overflow-y: auto;
  isolation: isolate;
  z-index: 1;  /* ← añade esta línea */
}
.nav-drawer.open .nav-drawer-inner {
  transform: translateX(0);
  -webkit-transform: translateX(0);
}

/* ── Drawer links ── */
.nav-drawer-links {
  display: flex; flex-direction: column;
  gap: 0; margin-bottom: 2.5rem;
}
.nav-drawer-link {
  font-family: var(--fm);
  font-size: .82rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--w60);
  padding: 1rem 0; min-height: 52px;
  border-bottom: 1px solid var(--line);
  transition: color .2s;
  display: flex; align-items: center;
}
.nav-drawer-link:first-child { border-top: 1px solid var(--line); }
.nav-drawer-link:hover { color: var(--dark); }
.nav-drawer-cta {
  color: var(--sea) !important; font-weight: 500;
}

/* ── Lang buttons in drawer ── */
.nav-drawer-langs {
  display: flex; gap: .4rem; flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  margin-top: auto;
}
.nav-drawer-langs .lb {
  min-height: 40px; font-size: .64rem;
  border: 1px solid var(--line);
  border-radius: 2px; padding: .2rem .7rem;
}
.nav-drawer-langs .lb.on {
  background: var(--gold); color: #fff; border-color: var(--gold);
}

/* ── Drawer JS is in each HTML file ── */

.nav-drawer-title {
  font-family: var(--fd);
  font-size: 1.1rem;
  font-style: italic;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 2rem;
  letter-spacing: .04em;
}



/* iOS drawer fix: see below */
/* Force drawer to its own isolated GPU layer */


/* Scroll offset for fixed nav + section nav */
section[id] { scroll-margin-top: 100px; }

/* ── Drawer open: block scroll ── */
html.drawer-open body {
  overflow: hidden;
  touch-action: none;
}

/* ── Narrow container (consulting, legal) ── */
.wrap-sm {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 var(--gut);
}