/* =============================================================
   BETIANA RODRÍGUEZ · Peluquería Unisex — styles.css
   1. Tokens  2. Reset  3. Utilities  4. Typography
   5. Components  6. Nav  7. Hero  8. About  9. Services
   10. Gallery  11. Contact  12. Footer  13. Lightbox
   14. Floating (WhatsApp + Chat)  15. Reveals  16. Responsive
   17. Reduced-motion
   ============================================================= */

/* ===================== 1. TOKENS ===================== */
:root{
  --ink:        #111111;   /* negro carbón */
  --ink-soft:   #262220;
  --ink-mute:   #6f665b;   /* texto secundario */
  --cream:      #F5F1EA;   /* marfil */
  --cream-2:    #EFE9DE;
  --paper:      #FBF9F5;   /* fondo claro base */
  --paper-2:    #F1ECE3;
  --gold:       #C9A24B;   /* champagne */
  --gold-deep:  #B8860B;
  --gold-soft:  #d9be86;
  --wine:       #6E2233;   /* borravino — acento joya sutil */

  --line:       rgba(17,17,17,0.10);
  --line-2:     rgba(17,17,17,0.16);
  --line-gold:  rgba(201,162,75,0.42);

  --shadow-sm:  0 2px 10px rgba(17,15,12,0.06);
  --shadow-md:  0 18px 40px -22px rgba(17,15,12,0.35);
  --shadow-lg:  0 40px 80px -30px rgba(17,15,12,0.45);

  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans:  "Montserrat", "Segoe UI", system-ui, -apple-system, sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --nav-h: 76px;
  --wrap: 1200px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
}

/* ===================== 2. RESET ===================== */
*,*::before,*::after{ box-sizing:border-box; margin:0; }
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top: var(--nav-h);
  overflow-x:clip;
}
body{
  font-family:var(--sans);
  font-size:16px;
  font-weight:400;
  line-height:1.65;
  color:var(--ink-soft);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:clip;
}
img,svg,iframe{ display:block; max-width:100%; }
img{ height:auto; }
button{ font:inherit; color:inherit; cursor:pointer; border:0; background:none; }
a{ color:inherit; text-decoration:none; }
p{ text-wrap:pretty; }
::selection{ background:var(--gold); color:#fff; }
:focus-visible{ outline:2px solid var(--gold); outline-offset:3px; border-radius:3px; }

.skip-link{
  position:fixed; top:-100px; left:1rem; z-index:2000;
  padding:.6rem 1rem; background:var(--ink); color:var(--cream);
  border-radius:8px; font-size:.85rem; font-weight:500;
}
.skip-link:focus{ top:1rem; }

/* ===================== 3. UTILITIES ===================== */
.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--gutter); }

.kicker{
  font-family:var(--sans);
  font-size:.72rem; font-weight:600; letter-spacing:.32em;
  text-transform:uppercase; color:var(--gold-deep);
  display:flex; align-items:center; gap:.85rem; margin-bottom:1.1rem;
}
.kicker-center{ justify-content:center; text-align:center; }
.kicker-light{ color:var(--gold-soft); }
.kicker-line{ display:inline-block; width:38px; height:1px; background:var(--line-gold); }
.kicker-light .kicker-line{ background:rgba(217,190,134,.6); }

.section-title{
  font-family:var(--serif); font-weight:500;
  font-size:clamp(2rem, 4.6vw, 3.4rem);
  line-height:1.06; letter-spacing:-.01em; color:var(--ink);
  text-wrap:balance;
}
.section-title-center{ text-align:center; margin-inline:auto; max-width:16ch; }
.section-head{ margin-bottom:clamp(2.5rem,5vw,4rem); }
.section-lead{
  text-align:center; max-width:52ch; margin:1.1rem auto 0;
  color:var(--ink-mute); font-size:1.02rem;
}

/* ===================== 4. TYPOGRAPHY ===================== */
h1,h2,h3,h4{ line-height:1.1; }
strong{ font-weight:600; color:var(--ink); }
em{ font-style:italic; }

/* ===================== 5. COMPONENTS (buttons) ===================== */
.btn{
  --bh:#b58e39;
  display:inline-flex; align-items:center; justify-content:center; gap:.55rem;
  padding:1rem 1.9rem; border-radius:2px;
  font-family:var(--sans); font-size:.8rem; font-weight:600;
  letter-spacing:.14em; text-transform:uppercase;
  transition:transform .5s var(--ease-out), background-color .4s var(--ease-out),
             color .4s var(--ease-out), box-shadow .5s var(--ease-out), border-color .4s;
  will-change:transform;
}
.btn-sm{ padding:.7rem 1.4rem; font-size:.72rem; }
.btn svg{ flex:0 0 auto; }

.btn-gold{
  background:var(--gold); color:#231a08;
  box-shadow:0 14px 30px -14px rgba(201,162,75,.75);
}
.btn-gold:hover{ background:var(--gold-deep); color:#fff; transform:translateY(-3px); box-shadow:0 20px 38px -14px rgba(184,134,11,.85); }

.btn-ghost{
  background:transparent; color:var(--ink); border:1px solid var(--line-2);
}
.btn-ghost:hover{ border-color:var(--gold); color:var(--gold-deep); transform:translateY(-3px); }

.btn-ghost-light{
  background:transparent; color:var(--cream); border:1px solid rgba(245,241,234,.45);
}
.btn-ghost-light:hover{ border-color:var(--cream); background:rgba(245,241,234,.10); transform:translateY(-3px); }

/* ===================== 6. NAV ===================== */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:1000; height:var(--nav-h);
  display:flex; align-items:center;
  transition:background-color .5s var(--ease-out), box-shadow .5s var(--ease-out), height .4s var(--ease-out);
}
.nav-inner{
  width:100%; max-width:var(--wrap); margin-inline:auto;
  padding-inline:var(--gutter);
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
}
.nav-brand{ display:flex; align-items:center; gap:.7rem; }
.nav-logo{ width:44px; height:44px; object-fit:contain; }
.logo-dark{ display:none; }
.nav-brand-txt{
  font-family:var(--serif); font-size:1.35rem; font-weight:600; letter-spacing:.01em;
  color:var(--cream); transition:color .5s var(--ease-out); white-space:nowrap;
}
.nav-links{ display:flex; align-items:center; gap:2.1rem; }
.nav-links a[data-link]{
  position:relative; font-size:.82rem; font-weight:500; letter-spacing:.06em;
  color:var(--cream); transition:color .4s var(--ease-out); padding:.2rem 0;
}
.nav-links a[data-link]::after{
  content:""; position:absolute; left:0; bottom:-2px; height:1px; width:0;
  background:var(--gold); transition:width .4s var(--ease-out);
}
.nav-links a[data-link]:hover{ color:var(--gold-soft); }
.nav-links a[data-link]:hover::after{ width:100%; }
.nav-cta{ margin-left:.4rem; }

/* Scrolled state */
.nav.is-scrolled{ background:var(--cream); box-shadow:0 1px 0 var(--line), var(--shadow-sm); height:66px; }
.nav.is-scrolled .logo-light{ display:none; }
.nav.is-scrolled .logo-dark{ display:block; }
.nav.is-scrolled .nav-brand-txt{ color:var(--ink); }
.nav.is-scrolled .nav-links a[data-link]{ color:var(--ink-soft); }
.nav.is-scrolled .nav-links a[data-link]:hover{ color:var(--gold-deep); }
.nav.is-scrolled .nav-cta{ color:#231a08; }

/* Hamburger */
.nav-toggle{ display:none; width:44px; height:44px; position:relative; }
.nav-toggle span{
  position:absolute; left:11px; right:11px; height:1.5px; background:var(--cream);
  transition:transform .4s var(--ease-out), opacity .3s, background-color .5s;
}
.nav-toggle span:nth-child(1){ top:15px; }
.nav-toggle span:nth-child(2){ top:21px; }
.nav-toggle span:nth-child(3){ top:27px; }
.nav.is-scrolled .nav-toggle span{ background:var(--ink); }
.nav.menu-open .nav-toggle span{ background:var(--ink); }
.nav.menu-open .nav-toggle span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.nav.menu-open .nav-toggle span:nth-child(2){ opacity:0; }
.nav.menu-open .nav-toggle span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

/* ===================== 7. HERO ===================== */
.hero{
  position:relative; min-height:100svh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding:calc(var(--nav-h) + 2rem) var(--gutter) 5rem;
  overflow:hidden;
}
.hero-media{ position:absolute; inset:0; z-index:0; }
.hero-media img{
  width:100%; height:100%; object-fit:cover; object-position:center;
  filter:contrast(1.05) saturate(1.02) brightness(.80);
  transform:scale(1.06); animation:heroZoom 22s var(--ease-soft) forwards;
}
@keyframes heroZoom{ to{ transform:scale(1); } }
.hero-scrim{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(12,10,8,.82) 0%, rgba(12,10,8,.55) 26%, rgba(12,10,8,.6) 55%, rgba(12,10,8,.93) 100%),
    radial-gradient(75% 60% at 50% 56%, rgba(12,10,8,.62) 0%, transparent 72%);
}
.hero-content{ position:relative; z-index:2; max-width:820px; }
.hero-logo{
  width:clamp(84px,12vw,120px); height:auto; margin:0 auto 1.5rem;
  filter:drop-shadow(0 8px 24px rgba(0,0,0,.4));
}
.hero-title{
  font-family:var(--serif); font-weight:600; color:var(--cream);
  font-size:clamp(3rem, 9vw, 6.5rem); line-height:.98; letter-spacing:.005em;
  text-shadow:0 4px 40px rgba(0,0,0,.4); text-wrap:balance;
}
.hero-sub{
  margin:1.6rem auto 0; max-width:38ch; color:rgba(245,241,234,.9);
  font-size:clamp(1rem,2.2vw,1.2rem); font-weight:300; line-height:1.6;
}
.hero-actions{
  margin-top:2.4rem; display:flex; flex-wrap:wrap; gap:1rem; justify-content:center;
}
.hero-scroll{
  position:absolute; left:50%; bottom:2rem; transform:translateX(-50%); z-index:2;
  width:26px; height:44px; border:1px solid rgba(245,241,234,.4); border-radius:14px;
  display:flex; justify-content:center; padding-top:8px;
}
.hero-scroll span{ width:3px; height:8px; border-radius:2px; background:var(--gold-soft); animation:scrollDot 1.8s var(--ease-soft) infinite; }
@keyframes scrollDot{ 0%{ transform:translateY(0); opacity:1; } 70%{ transform:translateY(14px); opacity:0; } 100%{ opacity:0; } }

/* ===================== 8. ABOUT ===================== */
.about{ padding:clamp(4.5rem,10vw,8rem) 0; background:var(--paper); position:relative; }
.about-grid{ display:grid; grid-template-columns:1fr; gap:clamp(2.5rem,6vw,5rem); align-items:center; }
.about-photo{ position:relative; }
.about-photo img{
  width:100%; aspect-ratio:4/5; object-fit:cover; object-position:center 22%;
  border-radius:2px; filter:contrast(1.03) saturate(1.03);
  box-shadow:var(--shadow-lg); position:relative; z-index:1;
}
.about-photo-frame{
  position:absolute; inset:auto -18px -18px auto; width:62%; height:62%;
  border:1px solid var(--line-gold); border-radius:2px; z-index:0;
}
.about-text .section-title{ margin-top:.4rem; max-width:16ch; }
.about-body{ margin-top:1.6rem; display:flex; flex-direction:column; gap:1rem; color:var(--ink-mute); font-size:1.04rem; }
.signature{
  margin-top:1.8rem; font-family:var(--serif); font-style:italic; font-weight:500;
  font-size:2rem; color:var(--gold-deep); line-height:1;
}

/* ===================== 9. SERVICES ===================== */
.services{ padding:clamp(4.5rem,10vw,8rem) 0; background:var(--cream); border-top:1px solid var(--line); }
.services-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line);
}
.svc{
  background:var(--cream); padding:clamp(1.6rem,3.5vw,2.6rem) clamp(1.2rem,3vw,2rem);
  display:flex; flex-direction:column; align-items:flex-start;
  transition:background-color .5s var(--ease-out), transform .5s var(--ease-out);
}
.svc-icon{
  width:52px; height:52px; color:var(--gold-deep); margin-bottom:1.1rem;
  display:flex; align-items:center; justify-content:center;
  transition:transform .6s var(--ease-out), color .4s;
}
.svc-icon svg{ width:100%; height:100%; }
.svc h3{ font-family:var(--serif); font-weight:600; font-size:1.5rem; color:var(--ink); margin-bottom:.4rem; }
.svc p{ font-size:.92rem; color:var(--ink-mute); line-height:1.55; }
.svc:hover{ background:var(--paper); transform:translateY(-4px); }
.svc:hover .svc-icon{ transform:scale(1.08) rotate(-3deg); color:var(--gold); }
.services-cta{ margin-top:clamp(2.5rem,5vw,3.5rem); text-align:center; }

/* ===================== 10. GALLERY ===================== */
.gallery{ padding:clamp(4.5rem,10vw,8rem) 0; background:var(--paper); }
.masonry{ columns:2; column-gap:16px; }
.masonry-item{
  position:relative; break-inside:avoid; margin-bottom:16px; overflow:hidden;
  border-radius:2px; cursor:pointer; box-shadow:var(--shadow-md);
}
.masonry-item img{
  width:100%; height:auto; display:block; filter:contrast(1.04) saturate(1.05);
  transition:transform .9s var(--ease-out), filter .6s;
}
.masonry-hover{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(180deg, rgba(17,15,12,0) 40%, rgba(17,15,12,.5) 100%);
  opacity:0; transition:opacity .5s var(--ease-out);
}
.masonry-plus{
  font-family:var(--sans); font-size:.72rem; letter-spacing:.28em; text-transform:uppercase;
  color:var(--cream); padding:.7rem 1.4rem; border:1px solid rgba(245,241,234,.7);
  transform:translateY(10px); transition:transform .5s var(--ease-out);
}
.masonry-item:hover img{ transform:scale(1.07); }
.masonry-item:hover .masonry-hover{ opacity:1; }
.masonry-item:hover .masonry-plus{ transform:translateY(0); }

/* ===================== 11. CONTACT ===================== */
.contact{ padding:clamp(4.5rem,10vw,8rem) 0; background:var(--cream); border-top:1px solid var(--line); }
.contact-grid{ display:grid; grid-template-columns:1fr; gap:clamp(2.5rem,5vw,4rem); align-items:start; }
.contact-list{ list-style:none; margin-top:2rem; display:flex; flex-direction:column; gap:1.5rem; }
.contact-list li{ display:flex; gap:1.1rem; align-items:flex-start; }
.contact-ic{
  flex:0 0 auto; width:46px; height:46px; border:1px solid var(--line-gold); border-radius:50%;
  display:flex; align-items:center; justify-content:center; color:var(--gold-deep);
}
.contact-ic svg{ width:22px; height:22px; }
.contact-list h3{ font-family:var(--sans); font-size:.72rem; font-weight:600; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-mute); margin-bottom:.3rem; }
.contact-list p{ font-size:1.05rem; color:var(--ink); line-height:1.45; }
.contact-list a{ color:var(--ink); border-bottom:1px solid var(--line-gold); transition:color .3s; }
.contact-list a:hover{ color:var(--gold-deep); }
.contact-actions{ margin-top:2.2rem; display:flex; flex-wrap:wrap; gap:1rem; }
.contact-map{
  position:relative; width:100%; min-height:340px; height:100%;
  border:1px solid var(--line-2); border-radius:2px; overflow:hidden; box-shadow:var(--shadow-md);
}
.contact-map iframe{ width:100%; height:100%; min-height:340px; border:0; filter:grayscale(.25) contrast(1.02); }

/* ===================== 12. FOOTER ===================== */
.footer{ background:#141210; color:var(--cream); padding:clamp(3.5rem,7vw,5rem) 0 0; }
.footer-inner{ display:grid; grid-template-columns:1fr; gap:3rem; padding-bottom:3rem; }
.footer-brand img{ width:66px; height:66px; object-fit:contain; margin-bottom:1rem; }
.footer-name{ font-family:var(--serif); font-size:1.7rem; font-weight:600; color:var(--cream); line-height:1; }
.footer-tag{ font-size:.72rem; letter-spacing:.28em; text-transform:uppercase; color:var(--gold-soft); margin-top:.5rem; }
.footer-cols{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; }
.footer-col h4{ font-family:var(--sans); font-size:.72rem; font-weight:600; letter-spacing:.2em; text-transform:uppercase; color:var(--gold-soft); margin-bottom:.9rem; }
.footer-col p{ font-size:.95rem; color:rgba(245,241,234,.72); line-height:1.9; }
.footer-col a{ color:rgba(245,241,234,.72); transition:color .3s; }
.footer-col a:hover{ color:var(--gold-soft); }
.footer-base{ border-top:1px solid rgba(245,241,234,.12); padding:1.5rem var(--gutter); text-align:center; }
.footer-base p{ font-size:.78rem; letter-spacing:.04em; color:rgba(245,241,234,.5); }

/* ===================== 13. LIGHTBOX ===================== */
.lightbox{
  position:fixed; inset:0; z-index:3000; display:flex; align-items:center; justify-content:center;
  background:rgba(12,10,8,.94); padding:5vh 4vw; opacity:0; visibility:hidden;
  transition:opacity .4s var(--ease-out), visibility .4s;
}
.lightbox.is-open{ opacity:1; visibility:visible; }
.lb-img{
  max-width:min(92vw,700px); max-height:88vh; object-fit:contain; border-radius:2px;
  box-shadow:0 40px 90px -20px rgba(0,0,0,.7);
  transform:scale(.96); transition:transform .5s var(--ease-out);
}
.lightbox.is-open .lb-img{ transform:scale(1); }
.lb-close{ position:absolute; top:20px; right:26px; font-size:2.6rem; line-height:1; color:var(--cream); opacity:.8; transition:opacity .3s, transform .3s; }
.lb-close:hover{ opacity:1; transform:rotate(90deg); }
.lb-nav{
  position:absolute; top:50%; transform:translateY(-50%); font-size:2.4rem; color:var(--cream);
  width:56px; height:56px; border:1px solid rgba(245,241,234,.3); border-radius:50%;
  display:flex; align-items:center; justify-content:center; opacity:.75; transition:opacity .3s, background-color .3s, border-color .3s;
}
.lb-nav:hover{ opacity:1; border-color:var(--gold); background:rgba(201,162,75,.12); }
.lb-prev{ left:3vw; }
.lb-next{ right:3vw; }

/* ===================== 14. FLOATING ===================== */
.fab{
  position:fixed; right:22px; z-index:1500; width:58px; height:58px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 12px 30px -8px rgba(0,0,0,.4); transition:transform .4s var(--ease-out), box-shadow .4s;
}
.fab:hover{ transform:translateY(-3px) scale(1.05); }
.fab-wa{ bottom:22px; background:#25D366; color:#fff; }
.fab-wa::after{
  content:""; position:absolute; inset:0; border-radius:50%; background:#25D366; z-index:-1;
  animation:fabPulse 2.6s ease-out infinite;
}
@keyframes fabPulse{ 0%{ transform:scale(1); opacity:.5; } 70%,100%{ transform:scale(1.7); opacity:0; } }
.fab-chat{ bottom:90px; background:var(--ink); color:var(--gold-soft); border:1px solid rgba(201,162,75,.4); }
.fab-chat .ic-close{ display:none; }
.fab-chat.is-active .ic-chat{ display:none; }
.fab-chat.is-active .ic-close{ display:block; }

/* Chat panel */
.chat{
  position:fixed; right:22px; bottom:158px; z-index:1600;
  width:min(370px, calc(100vw - 32px)); max-height:min(560px, calc(100vh - 190px));
  background:var(--paper); border:1px solid var(--line-2); border-radius:14px;
  box-shadow:var(--shadow-lg); display:flex; flex-direction:column; overflow:hidden;
  opacity:0; visibility:hidden; transform:translateY(16px) scale(.98); transform-origin:bottom right;
  transition:opacity .4s var(--ease-out), transform .4s var(--ease-out), visibility .4s;
}
.chat.is-open{ opacity:1; visibility:visible; transform:translateY(0) scale(1); }
.chat-head{ background:var(--ink); color:var(--cream); padding:1rem 1.1rem; display:flex; align-items:center; justify-content:space-between; }
.chat-head-brand{ display:flex; align-items:center; gap:.75rem; }
.chat-avatar{
  width:40px; height:40px; border-radius:50%; background:var(--gold); color:#231a08;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--serif); font-weight:700; font-size:1.05rem; letter-spacing:.02em;
}
.chat-title{ font-family:var(--serif); font-size:1.2rem; font-weight:600; line-height:1.1; }
.chat-status{ font-size:.7rem; color:rgba(245,241,234,.7); display:flex; align-items:center; gap:.4rem; }
.chat-status .dot{ width:7px; height:7px; border-radius:50%; background:#25D366; box-shadow:0 0 0 0 rgba(37,211,102,.6); animation:statusPulse 2s infinite; }
@keyframes statusPulse{ 0%{ box-shadow:0 0 0 0 rgba(37,211,102,.5); } 70%{ box-shadow:0 0 0 6px rgba(37,211,102,0); } 100%{ box-shadow:0 0 0 0 rgba(37,211,102,0); } }
.chat-x{ font-size:1.8rem; line-height:1; color:rgba(245,241,234,.85); transition:transform .3s, opacity .3s; }
.chat-x:hover{ transform:rotate(90deg); opacity:1; }

.chat-body{ flex:1 1 auto; overflow-y:auto; padding:1.1rem; display:flex; flex-direction:column; gap:.7rem; background:var(--paper-2); }
.msg{ max-width:85%; padding:.7rem .95rem; border-radius:14px; font-size:.9rem; line-height:1.5; animation:msgIn .35s var(--ease-out) both; }
@keyframes msgIn{ from{ opacity:0; transform:translateY(8px); } to{ opacity:1; transform:none; } }
.msg-bot{ align-self:flex-start; background:#fff; color:var(--ink-soft); border:1px solid var(--line); border-bottom-left-radius:4px; box-shadow:var(--shadow-sm); }
.msg-user{ align-self:flex-end; background:var(--ink); color:var(--cream); border-bottom-right-radius:4px; }
.msg a{ color:var(--gold-deep); font-weight:600; border-bottom:1px solid var(--line-gold); }
.msg-user a{ color:var(--gold-soft); border-color:rgba(217,190,134,.5); }
.msg-wa{
  display:inline-flex; align-items:center; gap:.5rem; margin-top:.55rem;
  background:#25D366; color:#fff; padding:.5rem .9rem; border-radius:8px;
  font-size:.8rem; font-weight:600; border-bottom:0;
}
.msg-wa:hover{ background:#1eb757; }

.chat-quick{ display:flex; flex-wrap:wrap; gap:.45rem; padding:.7rem 1.1rem; border-top:1px solid var(--line); background:var(--paper); }
.chat-chip{
  font-size:.76rem; padding:.42rem .8rem; border:1px solid var(--line-gold); border-radius:20px;
  color:var(--ink-soft); background:#fff; transition:background-color .3s, color .3s, border-color .3s;
}
.chat-chip:hover{ background:var(--gold); color:#231a08; border-color:var(--gold); }

.chat-form{ display:flex; gap:.5rem; padding:.75rem 1.1rem 1rem; border-top:1px solid var(--line); background:var(--paper); }
.chat-form input{
  flex:1 1 auto; min-width:0; padding:.7rem .9rem; border:1px solid var(--line-2); border-radius:22px;
  font-family:var(--sans); font-size:.88rem; color:var(--ink); background:#fff; outline:none;
  transition:border-color .3s;
}
.chat-form input:focus{ border-color:var(--gold); }
.chat-form button{
  flex:0 0 auto; width:42px; height:42px; border-radius:50%; background:var(--gold); color:#231a08;
  display:flex; align-items:center; justify-content:center; transition:background-color .3s, transform .3s;
}
.chat-form button:hover{ background:var(--gold-deep); color:#fff; transform:scale(1.06); }

/* ===================== 15. REVEALS ===================== */
.js.reveals-on [data-reveal]{ opacity:0; transform:translateY(26px); transition:opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.js [data-reveal].is-visible{ opacity:1; transform:none; }
/* subtle stagger inside grids */
.js .services-grid [data-reveal].is-visible{ transition-delay:calc(var(--i,0) * 70ms); }
.js .masonry [data-reveal].is-visible{ transition-delay:calc(var(--i,0) * 70ms); }

/* ===================== 16. RESPONSIVE ===================== */
@media (min-width:720px){
  .services-grid{ grid-template-columns:repeat(2,1fr); }
  .masonry{ columns:2; }
  .footer-inner{ grid-template-columns:1fr 1.4fr; align-items:center; }
}
@media (min-width:960px){
  .about-grid{ grid-template-columns:0.9fr 1.1fr; }
  .about-grid.about-reverse{ }
  .services-grid{ grid-template-columns:repeat(4,1fr); }
  .masonry{ columns:3; }
  .contact-grid{ grid-template-columns:1fr 1.1fr; }
}
@media (min-width:1280px){
  .masonry{ columns:3; }
}

/* Mobile nav */
@media (max-width:860px){
  .nav-toggle{ display:block; }
  .nav-brand-txt{ font-size:1.2rem; }
  .nav-links{
    position:fixed; inset:0 0 0 auto; width:min(320px,82vw); height:100dvh;
    flex-direction:column; align-items:flex-start; justify-content:center; gap:1.6rem;
    background:var(--cream); padding:2rem 2.4rem;
    transform:translateX(100%); transition:transform .5s var(--ease-out);
    box-shadow:-20px 0 60px -30px rgba(0,0,0,.5); z-index:1200;
  }
  .nav.menu-open .nav-links{ transform:translateX(0); }
  .nav-links a[data-link]{ color:var(--ink-soft); font-size:1.05rem; }
  .nav-links a[data-link]::after{ display:none; }
  .nav-cta{ margin-left:0; margin-top:.6rem; }
  .nav.menu-open .nav-brand-txt{ color:var(--cream); }
}
@media (max-width:860px){
  .nav:not(.is-scrolled) .nav-brand-txt{ color:var(--cream); }
}

@media (max-width:540px){
  .services-grid{ grid-template-columns:1fr; }
  .masonry{ columns:1; }
  .hero-actions .btn{ width:100%; }
  .fab{ width:54px; height:54px; }
  .chat{ bottom:150px; }
}

/* ===================== 17. REDUCED MOTION ===================== */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .hero-media img{ animation:none; transform:none; }
  .hero-scroll span,.fab-wa::after,.chat-status .dot{ animation:none; }
  .js [data-reveal]{ transform:none; }
}