/* ==========================================================================
   BMU GROUP — Cinematic Construction Website
   Design System & Global Styles
   Built mobile-first. Palette derived from the BMU Group wordmark
   (ink/charcoal ground, warm gold accent, cream type).
   ========================================================================== */

/* ---------- Tokens ---------- */
:root{
  /* Core palette */
  --ink:            #0a0a0b;
  --ink-soft:       #101012;
  --charcoal:       #171615;
  --charcoal-2:     #201f1d;
  --charcoal-3:     #2a2825;
  --line:           rgba(238,231,217,0.10);
  --line-strong:    rgba(238,231,217,0.18);

  --cream:          #efe9db;
  --cream-dim:      rgba(239,233,219,0.68);
  --cream-faint:    rgba(239,233,219,0.42);

  --gold:           #c4a257;
  --gold-soft:      #d8bd85;
  --gold-deep:      #9c7c3c;
  --bronze:         #96795c;

  --blue-steel:     #56687a;
  --terracotta:     #a9673f;

  --success:        #7fae7a;
  --error:          #c56a5c;

  /* Semantic */
  --bg:             var(--ink);
  --bg-alt:         var(--charcoal);
  --surface:        var(--charcoal-2);
  --surface-2:      var(--charcoal-3);
  --text:           var(--cream);
  --text-dim:       var(--cream-dim);
  --text-faint:     var(--cream-faint);
  --accent:         var(--gold);
  --accent-soft:    var(--gold-soft);

  /* Type */
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body:    'Jost', 'Helvetica Neue', Arial, sans-serif;

  --fs-h1: clamp(2.6rem, 3.4vw + 1.6rem, 6.4rem);
  --fs-h2: clamp(2.1rem, 2.2vw + 1.4rem, 3.6rem);
  --fs-h3: clamp(1.5rem, 1vw + 1.1rem, 2.1rem);
  --fs-lead: clamp(1.05rem, 0.4vw + 0.95rem, 1.35rem);
  --fs-body: 1rem;
  --fs-small: 0.85rem;
  --fs-eyebrow: 0.78rem;

  /* Layout */
  --container: 1320px;
  --container-narrow: 860px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-pad: clamp(4.5rem, 9vw, 9rem);
  --radius: 4px;
  --radius-lg: 10px;

  /* Motion */
  --ease: cubic-bezier(.16,.84,.44,1);
  --ease-soft: cubic-bezier(.25,.1,.25,1);
  --dur-fast: 0.28s;
  --dur: 0.55s;
  --dur-slow: 0.9s;

  /* Z-index scale */
  --z-cursor: 900;
  --z-nav: 500;
  --z-overlay: 600;
  --z-preloader: 999;
  --z-whatsapp: 400;

  color-scheme: dark;
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{
  scroll-behavior: auto;
  -webkit-text-size-adjust: 100%;
}
body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, video{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul, ol{ margin: 0; padding: 0; list-style: none; }
button, input, textarea, select{ font: inherit; color: inherit; }
button{ background: none; border: none; cursor: pointer; }
h1,h2,h3,h4,p,figure{ margin: 0; }
::selection{ background: var(--gold); color: var(--ink); }

/* thin gold scrollbar (webkit) */
::-webkit-scrollbar{ width: 10px; height: 10px; }
::-webkit-scrollbar-track{ background: var(--ink); }
::-webkit-scrollbar-thumb{ background: var(--charcoal-3); border-radius: 10px; border: 2px solid var(--ink); }
::-webkit-scrollbar-thumb:hover{ background: var(--gold-deep); }
* { scrollbar-color: var(--charcoal-3) var(--ink); scrollbar-width: thin; }

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Typography ---------- */
.h-display{ font-family: var(--font-display); font-weight: 600; line-height: 1.04; letter-spacing: -0.01em; }
h1, .h1{ font-family: var(--font-display); font-size: var(--fs-h1); font-weight: 600; line-height: 1.02; letter-spacing: -0.01em; }
h2, .h2{ font-family: var(--font-display); font-size: var(--fs-h2); font-weight: 600; line-height: 1.08; letter-spacing: -0.005em; }
h3, .h3{ font-family: var(--font-display); font-size: var(--fs-h3); font-weight: 500; line-height: 1.2; }
.lead{ font-size: var(--fs-lead); color: var(--text-dim); font-weight: 300; line-height: 1.55; }
.eyebrow{
  display: inline-flex; align-items: center; gap: 0.65em;
  font-family: var(--font-body); font-size: var(--fs-eyebrow);
  text-transform: uppercase; letter-spacing: 0.28em; color: var(--accent-soft);
  font-weight: 500;
}
.eyebrow::before{
  content: ""; width: 28px; height: 1px; background: var(--gold);
  display: inline-block;
}
.text-dim{ color: var(--text-dim); }
.text-faint{ color: var(--text-faint); }
.text-accent{ color: var(--accent); }
.serif-italic{ font-family: var(--font-display); font-style: italic; font-weight: 400; color: var(--accent-soft); }

/* ---------- Layout ---------- */
.container{ max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container-narrow{ max-width: var(--container-narrow); margin-inline: auto; padding-inline: var(--gutter); }
.section{ padding-block: var(--section-pad); position: relative; }
.section-tight{ padding-block: clamp(2.5rem, 5vw, 4.5rem); }
.section-alt{ background: var(--bg-alt); }
.section-head{ max-width: 720px; margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.section-head.center{ margin-inline: auto; text-align: center; }
.section-head .eyebrow{ margin-bottom: 1rem; }
.section-head h2{ margin-top: 0.6rem; }
.split{ display: grid; gap: clamp(2rem, 5vw, 5rem); }
@media(min-width: 900px){ .split{ grid-template-columns: 1fr 1fr; align-items: center; } }
.grid{ display: grid; gap: clamp(1.25rem, 2.5vw, 2rem); }
.grid-2{ grid-template-columns: repeat(1, 1fr); }
.grid-3{ grid-template-columns: repeat(1, 1fr); }
.grid-4{ grid-template-columns: repeat(1, 1fr); }
@media(min-width: 640px){ .grid-2{ grid-template-columns: repeat(2, 1fr); } .grid-4{ grid-template-columns: repeat(2, 1fr); } }
@media(min-width: 900px){ .grid-3{ grid-template-columns: repeat(3, 1fr); } .grid-4{ grid-template-columns: repeat(4, 1fr); } }

.rule{ height: 1px; background: var(--line); border: none; margin: 0; }
.bg-blueprint{
  background-image: url('../img/patterns/blueprint-grid.svg');
  background-size: 120px 120px;
}
.bg-dots{
  background-image: url('../img/patterns/dot-grid.svg');
  background-size: 36px 36px;
}
.corner-frame{
  position: absolute; inset: 18px; pointer-events: none;
  background-image: url('../img/patterns/corner-frame.svg');
  background-repeat: no-repeat; background-size: 100% 100%;
  opacity: 0.5;
}

/* ---------- Buttons ---------- */
.btn{
  --btn-bg: var(--accent);
  --btn-fg: var(--ink);
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.95rem 1.9rem;
  font-size: 0.86rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--btn-bg); color: var(--btn-fg);
  border: 1px solid var(--btn-bg);
  border-radius: 2px;
  position: relative; overflow: hidden;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn span{ position: relative; z-index: 2; display: inline-flex; align-items: center; gap: 0.6rem; }
.btn::before{
  content: ""; position: absolute; inset: 0; background: var(--ink);
  transform: translateX(-101%); transition: transform var(--dur) var(--ease); z-index: 1;
}
.btn:hover{ color: var(--text); }
.btn:hover::before{ transform: translateX(0); }
.btn-outline{ --btn-bg: transparent; --btn-fg: var(--text); border-color: var(--line-strong); }
.btn-outline::before{ background: var(--accent); }
.btn-outline:hover{ color: var(--ink); border-color: var(--accent); }
.btn-ghost{
  --btn-bg: transparent; --btn-fg: var(--text);
  border: none; padding: 0.4rem 0; letter-spacing: 0.08em;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
}
.btn-ghost::before{ display:none; }
.btn-ghost .arrow{ transition: transform var(--dur-fast) var(--ease); }
.btn-ghost:hover{ color: var(--accent); border-color: var(--accent); }
.btn-ghost:hover .arrow{ transform: translateX(6px); }
.btn-row{ display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
.btn-block{ width: 100%; justify-content: center; }
.icon-btn{
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-strong);
  display: inline-flex; align-items: center; justify-content: center;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.icon-btn:hover{ border-color: var(--accent); background: rgba(196,162,87,0.08); transform: translateY(-2px); }
.icon-btn svg{ width: 18px; height: 18px; }

/* ---------- Preloader ---------- */
#preloader{
  position: fixed; inset: 0; z-index: var(--z-preloader);
  background: var(--ink);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1.6rem;
  transition: opacity 0.7s var(--ease), visibility 0.7s var(--ease);
}
#preloader.is-hidden{ opacity: 0; visibility: hidden; pointer-events: none; }
#preloader .pre-logo{ width: 148px; opacity: 0; transform: translateY(10px); }
#preloader .pre-bar{ width: 180px; height: 1px; background: var(--line-strong); position: relative; overflow: hidden; }
#preloader .pre-bar span{
  position: absolute; inset: 0; width: 0%; background: var(--gold);
  transition: width 0.2s linear;
}
#preloader .pre-count{
  font-family: var(--font-body); font-size: 0.72rem; letter-spacing: 0.3em; color: var(--text-faint);
}

/* ---------- Custom cursor (desktop only, added via JS class on <body>) ---------- */
.has-cursor{ cursor: none; }
.cursor-dot, .cursor-ring{
  position: fixed; top: 0; left: 0; pointer-events: none; z-index: var(--z-cursor);
  border-radius: 50%; transform: translate(-50%,-50%);
  will-change: transform;
}
.cursor-dot{ width: 6px; height: 6px; background: var(--accent); }
.cursor-ring{
  width: 34px; height: 34px; border: 1px solid var(--line-strong);
  transition: width .25s var(--ease), height .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.cursor-ring.is-active{ width: 64px; height: 64px; border-color: var(--accent); background: rgba(196,162,87,0.06); }
@media (hover: none), (pointer: coarse){ .cursor-dot, .cursor-ring{ display: none; } }

/* ---------- Site header / nav ---------- */
.site-header{
  position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-nav);
  padding-block: 1.4rem;
  transition: padding var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header .container{ display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.site-header.is-scrolled{
  padding-block: 0.85rem;
  background: rgba(10,10,11,0.86);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.brand{ display: flex; align-items: center; gap: 0.7rem; z-index: 2; }
.brand img{ height: 52px; width: auto; transition: height var(--dur-fast) var(--ease); }
.site-header.is-scrolled .brand img{ height: 42px; }
@media(min-width: 640px){
  .brand img{ height: 60px; }
  .site-header.is-scrolled .brand img{ height: 46px; }
}

.nav-desktop{ display: none; }
@media(min-width: 980px){
  .nav-desktop{ display: flex; align-items: center; gap: clamp(1.6rem, 2.4vw, 2.8rem); }
  .nav-desktop a{
    position: relative; font-size: 0.86rem; letter-spacing: 0.05em; text-transform: uppercase;
    color: var(--text-dim); padding-block: 0.3rem;
  }
  .nav-desktop a::after{
    content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 1px; background: var(--accent);
    transition: right var(--dur-fast) var(--ease);
  }
  .nav-desktop a:hover, .nav-desktop a.is-active{ color: var(--text); }
  .nav-desktop a:hover::after, .nav-desktop a.is-active::after{ right: 0; }
}
.nav-cta{ display: none; }
@media(min-width: 980px){ .nav-cta{ display: inline-flex; } }

.nav-toggle{
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; z-index: 2; position: relative;
}
@media(min-width: 980px){ .nav-toggle{ display: none; } }
.nav-toggle .bar{
  position: absolute; width: 22px; height: 1.5px; background: var(--text);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.nav-toggle .bar:nth-child(1){ transform: translateY(-5px); }
.nav-toggle .bar:nth-child(3){ transform: translateY(5px); }
.nav-toggle.is-open .bar:nth-child(1){ transform: rotate(45deg); }
.nav-toggle.is-open .bar:nth-child(2){ opacity: 0; }
.nav-toggle.is-open .bar:nth-child(3){ transform: rotate(-45deg); }

.nav-mobile{
  position: fixed; inset: 0; z-index: var(--z-overlay);
  background: var(--ink);
  display: flex; flex-direction: column; justify-content: center;
  padding: 6rem var(--gutter) 3rem;
  clip-path: circle(0px at calc(100% - 40px) 40px);
  transition: clip-path 0.7s var(--ease);
  pointer-events: none;
}
.nav-mobile.is-open{ clip-path: circle(150% at calc(100% - 40px) 40px); pointer-events: auto; }
.nav-mobile ol{ display: flex; flex-direction: column; gap: 0.4rem; }
.nav-mobile a{
  font-family: var(--font-display); font-size: clamp(2rem, 8vw, 3rem); font-weight: 500;
  display: inline-block; padding-block: 0.35rem; color: var(--text-dim);
  opacity: 0; transform: translateY(24px);
}
.nav-mobile.is-open a{ animation: navlink-in 0.7s var(--ease) forwards; }
.nav-mobile a:hover{ color: var(--accent); }
@keyframes navlink-in{ to{ opacity: 1; transform: translateY(0); } }
.nav-mobile .nav-meta{ margin-top: 2.5rem; display: flex; flex-direction: column; gap: 0.75rem; }
.nav-mobile .nav-meta a{ font-family: var(--font-body); font-size: 0.95rem; color: var(--text-faint); opacity: 1; transform: none; }
body.nav-open{ overflow: hidden; }

/* ---------- Hero ---------- */
.hero{
  position: relative; min-height: 100svh; display: flex; align-items: flex-end;
  overflow: hidden; background: var(--ink);
}
.hero-bg{
  position: absolute; inset: 0; z-index: 0;
}
.hero-bg video, .hero-bg img{
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center;
  filter: brightness(0.6) saturate(1.05);
}
.hero-bg::after{
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(10,10,11,0.75) 0%, rgba(10,10,11,0.3) 45%, rgba(10,10,11,0.35) 100%),
    linear-gradient(180deg, rgba(10,10,11,0.5) 0%, rgba(10,10,11,0.15) 26%, rgba(10,10,11,0.55) 66%, rgba(10,10,11,0.97) 100%);
}
#hero-canvas{ position: absolute; inset: 0; z-index: 1; opacity: 0.85; pointer-events: none; }

.hero-content{
  position: relative; z-index: 3; width: 100%;
  padding-block: clamp(8rem, 18vh, 11.5rem) clamp(3rem, 6vh, 5rem);
}
.hero-eyebrow{ margin-bottom: 1.2rem; }
.hero-title{ max-width: 16ch; color: var(--text); }
.hero-title .line{ display: block; overflow: hidden; }
.hero-title .line span{ display: inline-block; }
/* Only start the headline off-screen when JS confirmed it can run the reveal
   (see the inline script in <head>) — falls back to CSS.supports below for
   belt-and-braces, and animations.js force-resets this if GSAP fails to load. */
.js .hero-title .line span{ transform: translateY(110%); }
.hero-title em{ font-style: italic; color: var(--accent-soft); font-weight: 400; }
.hero-sub{ max-width: 46ch; margin-top: 1.6rem; }
.hero-actions{ margin-top: 2.4rem; }
.hero-meta{
  margin-top: clamp(3rem, 6vh, 5rem);
  display: flex; flex-wrap: wrap; gap: clamp(1.6rem, 4vw, 3.5rem);
  padding-top: 1.8rem; border-top: 1px solid var(--line);
}
.hero-meta .stat b{ display: block; font-family: var(--font-display); font-size: clamp(1.6rem, 2vw, 2.2rem); color: var(--accent-soft); font-weight: 600; }
.hero-meta .stat span{ font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-faint); }

.scroll-cue{
  position: absolute; left: var(--gutter); bottom: 2rem; z-index: 3;
  display: none; align-items: center; gap: 0.8rem; color: var(--text-faint);
  font-size: 0.72rem; letter-spacing: 0.24em; text-transform: uppercase;
}
@media(min-width: 760px){ .scroll-cue{ display: inline-flex; } }
.scroll-cue .line{ width: 1px; height: 40px; background: var(--line-strong); position: relative; overflow: hidden; }
.scroll-cue .line::after{
  content: ""; position: absolute; top: -100%; left: 0; width: 100%; height: 100%; background: var(--accent);
  animation: scrollcue 2.2s ease-in-out infinite;
}
@keyframes scrollcue{ 0%{ top: -100%; } 50%{ top: 0; } 100%{ top: 100%; } }

/* ---------- Marquee strip (generic horizontal auto-scroll, reused below) ---------- */
@keyframes marquee{ from{ transform: translateX(0); } to{ transform: translateX(-50%); } }

/* ---------- Partners & clients strip ---------- */
.partners-strip{
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--bg-alt); overflow: hidden;
  padding-top: clamp(2rem, 4vw, 3rem);
}
.partners-label{ margin: 0; padding-inline: var(--gutter); }
.partner-track{
  display: flex; width: max-content;
  animation: marquee 38s linear infinite;
}
.partners-strip:hover .partner-track{ animation-play-state: paused; }
.partner-set{ display: flex; align-items: center; flex-shrink: 0; }
.partner-item{
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  padding: clamp(1.8rem, 3vw, 2.6rem) clamp(1.6rem, 2.6vw, 2.6rem);
  color: var(--text-faint); outline: none;
}
.partner-item svg{
  height: 24px; width: auto; display: block; color: inherit;
  opacity: 0.55; transition: color var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.partner-item:hover svg, .partner-item:focus-visible svg{
  opacity: 1; color: var(--accent-soft); transform: translateY(-2px);
}
.partner-item::after{
  content: attr(data-name);
  position: absolute; left: 50%; bottom: 100%; transform: translateX(-50%) translateY(8px);
  white-space: nowrap; font-size: 0.7rem; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--ink); background: var(--accent-soft); padding: 0.45rem 0.85rem; border-radius: 2px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.partner-item:hover::after, .partner-item:focus-visible::after{
  opacity: 1; transform: translateX(-50%) translateY(-4px);
}
@media (hover: none){
  .partner-item{ flex-direction: column; gap: 0.6rem; }
  .partner-item::after{
    position: static; transform: none; opacity: 1; pointer-events: auto;
    background: none; color: var(--text-faint); padding: 0; font-size: 0.62rem;
  }
}

/* ---------- Cards: services ---------- */
.service-card{
  position: relative; padding: clamp(1.75rem, 2.5vw, 2.5rem);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
  transform-style: preserve-3d; will-change: transform;
}
.service-card:hover{ border-color: var(--line-strong); background: var(--surface-2); }
.service-card .num{
  font-family: var(--font-display); font-size: 0.85rem; color: var(--accent-soft);
  letter-spacing: 0.1em;
}
.service-card h3{ margin-top: 1.4rem; }
.service-card p{ margin-top: 0.85rem; color: var(--text-dim); font-size: 0.95rem; }
.service-card .card-link{
  margin-top: 1.4rem; display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint);
}
.service-card .card-link .arrow{ transition: transform var(--dur-fast) var(--ease); }
.service-card:hover .card-link{ color: var(--accent); }
.service-card:hover .card-link .arrow{ transform: translateX(5px); }
.service-card .icon{ width: 40px; height: 40px; color: var(--accent); }

/* ---------- Project cards ---------- */
.project-card{
  position: relative; overflow: hidden; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--surface);
  aspect-ratio: 4/3.1;
}
.project-card img{ width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease); }
.project-card:hover img{ transform: scale(1.06); }
.project-card::after{
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,10,11,0) 35%, rgba(10,10,11,0.92) 100%);
}
.project-card .tag{
  position: absolute; top: 1rem; left: 1rem; z-index: 2;
  font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.4rem 0.75rem; background: rgba(10,10,11,0.65); border: 1px solid var(--line-strong);
  color: var(--accent-soft); backdrop-filter: blur(6px);
}
.project-card .info{ position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 1.4rem; }
.project-card .info h3{ font-size: 1.25rem; color: var(--text); }
.project-card .info p{ margin-top: 0.35rem; font-size: 0.82rem; color: var(--text-faint); letter-spacing: 0.03em; }
.project-card .expand{
  position: absolute; top: 1rem; right: 1rem; z-index: 2;
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center; color: var(--text);
  background: rgba(10,10,11,0.5); backdrop-filter: blur(6px);
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.project-card:hover .expand{ border-color: var(--accent); transform: rotate(45deg); }

.filter-bar{ display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.filter-btn{
  padding: 0.55rem 1.1rem; border: 1px solid var(--line-strong); border-radius: 999px;
  font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim);
  transition: all var(--dur-fast) var(--ease);
}
.filter-btn:hover{ color: var(--text); border-color: var(--accent); }
.filter-btn.is-active{ background: var(--accent); color: var(--ink); border-color: var(--accent); }
.project-grid{ display: grid; grid-template-columns: 1fr; gap: clamp(1.25rem, 2.5vw, 1.75rem); }
@media(min-width: 640px){ .project-grid{ grid-template-columns: repeat(2, 1fr); } }
@media(min-width: 1080px){ .project-grid{ grid-template-columns: repeat(3, 1fr); } }
.project-card[hidden]{ display: none; }

/* Project modal / lightbox */
.project-modal{
  position: fixed; inset: 0; z-index: 800; display: flex; align-items: center; justify-content: center;
  padding: var(--gutter);
  opacity: 0; visibility: hidden; transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
}
.project-modal.is-open{ opacity: 1; visibility: visible; }
.project-modal .backdrop{ position: absolute; inset: 0; background: rgba(6,6,7,0.9); backdrop-filter: blur(6px); }
.project-modal .modal-panel{
  position: relative; z-index: 2; width: min(980px, 100%); max-height: 88vh; overflow: auto;
  background: var(--bg-alt); border: 1px solid var(--line-strong); border-radius: var(--radius-lg);
  display: grid; grid-template-columns: 1fr; transform: translateY(24px); transition: transform var(--dur) var(--ease);
}
.project-modal.is-open .modal-panel{ transform: translateY(0); }
@media(min-width: 800px){ .project-modal .modal-panel{ grid-template-columns: 1.1fr 1fr; } }
.project-modal .modal-media{ aspect-ratio: 4/3; overflow: hidden; }
.project-modal .modal-media img{ width: 100%; height: 100%; object-fit: cover; }
.project-modal .modal-body{ padding: clamp(1.75rem, 3vw, 2.75rem); }
.project-modal .modal-close{
  position: absolute; top: 1rem; right: 1rem; z-index: 3;
  width: 42px; height: 42px; border-radius: 50%; background: rgba(10,10,11,0.7);
  border: 1px solid var(--line-strong); display: flex; align-items: center; justify-content: center;
}
.project-modal .meta-list{ margin-top: 1.5rem; display: grid; gap: 0.75rem; }
.project-modal .meta-list div{ display: flex; justify-content: space-between; gap: 1rem; padding-block: 0.6rem; border-bottom: 1px solid var(--line); font-size: 0.9rem; }
.project-modal .meta-list span:first-child{ color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.76rem; }
.status-pill{ display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; }
.status-pill::before{ content:""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.status-pill.ongoing::before{ background: var(--blue-steel); }

/* ---------- Why choose us ---------- */
.reason{ display: flex; gap: 1.25rem; padding-block: 1.6rem; border-top: 1px solid var(--line); }
.reason:last-child{ border-bottom: 1px solid var(--line); }
.reason .idx{ font-family: var(--font-display); font-size: 1.3rem; color: var(--accent-soft); min-width: 2.2ch; }
.reason h3{ font-size: 1.15rem; }
.reason p{ margin-top: 0.5rem; color: var(--text-dim); font-size: 0.94rem; max-width: 46ch; }

/* ---------- Stats ---------- */
.stats-row{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
@media(min-width: 760px){ .stats-row{ grid-template-columns: repeat(4, 1fr); } }
.stat-block{ padding: 1.5rem 0; border-top: 1px solid var(--line); }
.stat-block b{
  display: block; font-family: var(--font-display); font-size: clamp(2rem, 3.5vw, 3.2rem);
  color: var(--accent-soft); font-weight: 600;
}
.stat-block span{ font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-faint); }

/* ---------- Values / grid tiles ---------- */
.value-tile{
  padding: clamp(1.6rem, 2.5vw, 2.2rem); border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.value-tile:hover{ background: var(--surface-2); border-color: var(--line-strong); transform: translateY(-4px); }
.value-tile .icon{ width: 34px; height: 34px; color: var(--accent); margin-bottom: 1.1rem; }

/* ---------- Team ---------- */
.team-card{ text-align: left; }
.team-photo{
  aspect-ratio: 3/3.6; border-radius: var(--radius); overflow: hidden; margin-bottom: 1.1rem;
  background: linear-gradient(160deg, var(--surface), var(--surface-2));
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
}
.team-photo span{ font-family: var(--font-display); font-size: 2.4rem; color: var(--text-faint); }
.team-card h3{ font-size: 1.05rem; }
.team-card .role{ font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-soft); margin-top: 0.3rem; }

/* ---------- CTA band ---------- */
.cta-band{
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 6vw, 5rem); text-align: center;
  background: linear-gradient(160deg, var(--charcoal-2), var(--ink) 70%);
  border: 1px solid var(--line-strong);
}
.cta-band h2{ max-width: 18ch; margin-inline: auto; }
.cta-band .btn-row{ justify-content: center; margin-top: 2rem; }
.cta-band .corner-frame{ inset: 10px; opacity: 0.35; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--bg-alt); border-top: 1px solid var(--line); padding-block: clamp(3.5rem, 6vw, 5.5rem) 1.5rem; }
.footer-grid{ display: grid; gap: 2.5rem; grid-template-columns: 1fr; }
@media(min-width: 760px){ .footer-grid{ grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr; } }
.footer-brand img{ height: 44px; }
.footer-brand p{ margin-top: 1.1rem; color: var(--text-dim); font-size: 0.92rem; max-width: 34ch; }
.footer-col h4{ font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 1.1rem; }
.footer-col ul{ display: grid; gap: 0.65rem; }
.footer-col a{ font-size: 0.92rem; color: var(--text-dim); transition: color var(--dur-fast); }
.footer-col a:hover{ color: var(--accent); }
.footer-social{ display: flex; gap: 0.6rem; margin-top: 1.3rem; }
.footer-bottom{
  margin-top: clamp(2.5rem, 5vw, 4rem); padding-top: 1.5rem; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center;
  font-size: 0.8rem; color: var(--text-faint);
}
.footer-bottom a{ color: var(--text-faint); }
.footer-bottom a:hover{ color: var(--accent); }

/* ---------- WhatsApp floating CTA ---------- */
.whatsapp-fab{
  position: fixed; right: clamp(1rem, 3vw, 1.75rem); bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: var(--z-whatsapp);
  display: inline-flex; align-items: center; gap: 0.7rem;
  background: #25D366; color: #06280f; padding: 0.85rem 1.1rem 0.85rem 0.85rem;
  border-radius: 999px; box-shadow: 0 14px 34px -12px rgba(0,0,0,0.6);
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.whatsapp-fab:hover{ transform: translateY(-3px) scale(1.02); }
.whatsapp-fab svg{ width: 24px; height: 24px; flex-shrink: 0; }
.whatsapp-fab .wa-text{ font-size: 0.82rem; font-weight: 600; letter-spacing: 0.01em; max-width: 0; overflow: hidden; white-space: nowrap; transition: max-width 0.4s var(--ease); }
.whatsapp-fab:hover .wa-text, .whatsapp-fab:focus-visible .wa-text{ max-width: 220px; }
.whatsapp-fab .pulse{
  position: absolute; inset: 0; border-radius: 999px; border: 2px solid #25D366;
  animation: wa-pulse 2.4s ease-out infinite;
}
@keyframes wa-pulse{ 0%{ transform: scale(1); opacity: 0.7;} 100%{ transform: scale(1.5); opacity: 0; } }

/* ---------- Reveal animation hooks (driven by JS/GSAP) ---------- */
.reveal{ opacity: 0; transform: translateY(34px); }
.reveal.is-visible{ opacity: 1; transform: translateY(0); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal-fade{ opacity: 0; }
.reveal-fade.is-visible{ opacity: 1; transition: opacity 1.1s var(--ease); }
.reveal-scale{ opacity: 0; transform: scale(0.94); }
.reveal-scale.is-visible{ opacity: 1; transform: scale(1); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }

/* ---------- Page hero (interior pages) ---------- */
.page-hero{
  position: relative; padding-block: clamp(8rem, 16vh, 11rem) clamp(3rem, 6vh, 5rem);
  overflow: hidden; border-bottom: 1px solid var(--line);
}
.page-hero .bg-blueprint{ position: absolute; inset: 0; opacity: 0.5; mask-image: linear-gradient(180deg, black, transparent); }
.page-hero .container{ position: relative; z-index: 1; }
.breadcrumb{ display: flex; align-items: center; gap: 0.5rem; font-size: 0.8rem; color: var(--text-faint); margin-bottom: 1.4rem; letter-spacing: 0.03em; }
.breadcrumb a:hover{ color: var(--accent); }
.page-hero h1{ max-width: 18ch; }
.page-hero p{ margin-top: 1.2rem; }

/* ---------- Services page detail rows ---------- */
.service-row{ display: grid; gap: clamp(1.75rem, 4vw, 3.5rem); padding-block: clamp(3rem, 6vw, 5rem); border-top: 1px solid var(--line); align-items: center; }
.service-row:last-child{ border-bottom: 1px solid var(--line); }
@media(min-width: 900px){ .service-row{ grid-template-columns: 0.55fr 1fr; } .service-row.reverse .service-visual{ order: 2; } }
.service-visual{ aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.service-visual img{ width: 100%; height: 100%; object-fit: cover; }
.service-row .num{ font-family: var(--font-display); color: var(--accent-soft); font-size: 1rem; }
.service-row h3{ margin-top: 0.9rem; }
.service-row .lead{ margin-top: 0.9rem; }
.service-includes{ margin-top: 1.5rem; display: grid; gap: 0.6rem; grid-template-columns: repeat(auto-fit, minmax(150px,1fr)); }
.service-includes li{
  display: flex; align-items: center; gap: 0.6rem; font-size: 0.88rem; color: var(--text-dim);
  padding: 0.5rem 0.75rem; background: var(--surface); border: 1px solid var(--line); border-radius: 3px;
}
.service-includes li::before{ content: ""; width: 5px; height: 5px; background: var(--accent); flex-shrink: 0; }

/* ---------- Values grid on About ---------- */
.mission-vision{ display: grid; gap: 1.5rem; }
@media(min-width: 760px){ .mission-vision{ grid-template-columns: 1fr 1fr; } }
.mv-card{ padding: clamp(2rem, 3vw, 2.75rem); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.mv-card .eyebrow{ margin-bottom: 1rem; }

/* ---------- Contact page ---------- */
.contact-grid{ display: grid; gap: clamp(2.5rem, 5vw, 4rem); }
@media(min-width: 980px){ .contact-grid{ grid-template-columns: 0.9fr 1.1fr; align-items: start; } }
.contact-card{
  display: flex; gap: 1rem; padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); margin-bottom: 1rem; transition: border-color var(--dur-fast), background var(--dur-fast);
}
.contact-card:hover{ border-color: var(--line-strong); background: var(--surface-2); }
.contact-card .icon{ width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line-strong); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--accent); }
.contact-card h4{ font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 0.35rem; }
.contact-card p, .contact-card a{ font-size: 0.98rem; }
.contact-card a:hover{ color: var(--accent); }

.map-frame{ margin-top: 1.5rem; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 16/10; filter: grayscale(0.4) invert(0.92) contrast(0.9); }
.map-frame iframe{ width: 100%; height: 100%; border: 0; }

/* Form */
.form-card{ padding: clamp(1.75rem, 3vw, 2.75rem); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.form-grid{ display: grid; gap: 1.3rem; grid-template-columns: 1fr; }
@media(min-width: 620px){ .form-grid{ grid-template-columns: 1fr 1fr; } .form-grid .full{ grid-column: 1 / -1; } }
.field{ display: flex; flex-direction: column; gap: 0.55rem; }
.field label{ font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); }
.field input, .field select, .field textarea{
  background: var(--ink-soft); border: 1px solid var(--line-strong); border-radius: 3px;
  padding: 0.85rem 1rem; color: var(--text); font-size: 0.95rem;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus{ outline: none; border-color: var(--accent); background: var(--charcoal); }
.field textarea{ resize: vertical; min-height: 130px; }
.field.has-error input, .field.has-error select, .field.has-error textarea{ border-color: var(--error); }
.field-error{ font-size: 0.78rem; color: var(--error); min-height: 1em; }
.form-status{
  margin-top: 1rem; padding: 1rem 1.2rem; border-radius: 3px; font-size: 0.9rem;
  display: none; align-items: center; gap: 0.65rem;
}
.form-status.is-success{ display: flex; background: rgba(127,174,122,0.12); border: 1px solid rgba(127,174,122,0.4); color: var(--success); }
.form-status.is-error{ display: flex; background: rgba(197,106,92,0.12); border: 1px solid rgba(197,106,92,0.4); color: var(--error); }
.form-card.is-submitted .form-grid,
.form-card.is-submitted .btn-row{ display: none; }
.success-panel{ display: none; text-align: center; padding: 2rem 1rem; }
.form-card.is-submitted .success-panel{ display: block; }
.success-panel .icon{ width: 56px; height: 56px; margin-inline: auto 1.2rem; color: var(--accent); }

/* FAQ accordion */
.faq-item{ border-top: 1px solid var(--line); }
.faq-item:last-child{ border-bottom: 1px solid var(--line); }
.faq-q{
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding-block: 1.4rem; text-align: left; font-family: var(--font-display); font-size: 1.05rem; color: var(--text);
}
.faq-q .plus{ position: relative; width: 18px; height: 18px; flex-shrink: 0; }
.faq-q .plus::before, .faq-q .plus::after{ content: ""; position: absolute; background: var(--accent); transition: transform var(--dur-fast) var(--ease); }
.faq-q .plus::before{ left: 0; top: 50%; width: 100%; height: 1px; transform: translateY(-50%); }
.faq-q .plus::after{ top: 0; left: 50%; width: 1px; height: 100%; transform: translateX(-50%); }
.faq-item.is-open .plus::after{ transform: translateX(-50%) rotate(90deg); opacity: 0; }
.faq-a{ max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.faq-a p{ padding-bottom: 1.4rem; color: var(--text-dim); max-width: 60ch; font-size: 0.95rem; }

/* ---------- Misc utility ---------- */
.mt-0{ margin-top: 0; }
.center-text{ text-align: center; }
.mx-auto{ margin-inline: auto; }
.visually-hidden{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.badge-note{
  display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.74rem; color: var(--text-faint);
  letter-spacing: 0.04em; margin-top: 0.6rem;
}