/* ---------- 1. DESIGN TOKENS ---------- */
:root{
  /* Colour */
  --ink:            #12203D;  /* darkest navy — primary text on light bg */
  --navy:           #1F3568;  /* brand navy — dark section backgrounds  */
  --navy-2:         #28407D;  /* lighter navy — gradients / cards on navy */
  --navy-3:         #0E1830;  /* deepest navy — footer, hero overlay base */
  --blue:           #5478BE;  /* logo mid-blue — accents on dark bg */
  --blue-pale:      #A9C0E8;  /* pale blue — muted text/labels on dark bg */
  --terracotta:     #C15A3E;  /* accent — sampled from real paver colour */
  --terracotta-dk:  #93402B;  /* solid buttons / hover / small accent text */
  --terracotta-lt:  #E9B294;  /* soft accent line, blueprint corner marks */
  --stone:          #8C887F;  /* borders / dividers / decorative marks */
  --stone-light:    #E4E0D6;  /* hairline borders on light sections */
  --muted:          #6B675F;  /* secondary body copy on light bg */
  --paper:          #FBFAF7;  /* primary light background */
  --paper-2:        #F1EEE6;  /* alternate light section background */
  --white:          #FFFFFF;

  /* Type */
  --f-display: 'Archivo', 'Arial Narrow', sans-serif;
  --f-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --f-mono:    'IBM Plex Mono', 'SF Mono', Consolas, monospace;

  /* Layout */
  --container-w: 1240px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 22px;
  --header-h: 84px;

  /* Motion */
  --ease: cubic-bezier(.22,.61,.36,1);
  --dur-fast: .22s;
  --dur-med: .5s;
  --dur-slow: .9s;

  /* Shadow */
  --shadow-sm: 0 2px 10px rgba(18,32,61,.07);
  --shadow-md: 0 10px 30px rgba(18,32,61,.12);
  --shadow-lg: 0 24px 60px rgba(18,32,61,.18);
}

@media (min-width: 768px){
  :root{ --header-h: 92px; }
}

/* ---------- 2. RESET ---------- */
*, *::before, *::after{ box-sizing: border-box; }
*{ margin: 0; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}
body{
  font-family: var(--f-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
button{ font: inherit; cursor: pointer; background: none; border: none; color: inherit; }
ul{ list-style: none; padding: 0; }
input, textarea, select{ font: inherit; color: inherit; }
h1,h2,h3,h4{ font-family: var(--f-display); font-weight: 800; line-height: 1.12; letter-spacing: -.01em; }
svg{ display: block; }

.container{
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 24px;
}
@media (min-width: 1024px){
  .container{ padding-inline: 40px; }
}

.skip-link{
  position: absolute;
  top: -60px; left: 16px;
  background: var(--ink);
  color: var(--white);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  z-index: 999;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus{ top: 16px; }

:focus-visible{
  outline: 2.5px solid var(--terracotta);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ---------- 3. TYPE UTILITIES ---------- */
.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--terracotta-dk);
  margin-bottom: 18px;
}
.eyebrow-light{ color: var(--terracotta-lt); }
.eyebrow-tick{
  display: inline-block;
  width: 26px;
  height: 2px;
  background: currentColor;
  position: relative;
}
.eyebrow-tick::before{
  content: '';
  position: absolute;
  left: 0; top: -3px;
  width: 2px; height: 8px;
  background: currentColor;
}

.section-title{
  font-size: clamp(1.9rem, 1.35rem + 2.3vw, 3rem);
  color: var(--ink);
  max-width: 18ch;
}
.section-head{
  max-width: 720px;
  margin-bottom: 56px;
}
.section-head-lead{ margin-top: 16px; }

.lead-text{
  font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem);
  color: var(--muted);
  max-width: 52ch;
}
.body-text{
  color: var(--muted);
  max-width: 56ch;
  margin-top: 16px;
}

.mono-label{
  font-family: var(--f-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.text-accent{ color: var(--terracotta-lt); }

/* ---------- 4. BUTTONS ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-family: var(--f-body);
  font-weight: 700;
  font-size: .96rem;
  letter-spacing: -.01em;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  border: 1.5px solid transparent;
}
.btn .icon{ width: 18px; height: 18px; flex-shrink: 0; }
.btn-primary{
  background: var(--terracotta-dk);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(147,64,43,.35);
}
.btn-primary:hover{
  background: var(--terracotta);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(147,64,43,.4);
}
.btn-dark{
  background: var(--ink);
  color: var(--white);
}
.btn-dark:hover{ background: var(--navy-2); transform: translateY(-2px); }
.btn-outline-light{
  border-color: rgba(255,255,255,.55);
  color: var(--white);
}
.btn-outline-light:hover{
  background: rgba(255,255,255,.12);
  border-color: var(--white);
}
.btn-outline-dark{
  border-color: var(--stone-light);
  color: var(--ink);
}
.btn-outline-dark:hover{
  border-color: var(--ink);
  background: var(--paper-2);
}
.btn-lg{ padding: 17px 32px; font-size: 1.02rem; }
.btn-sm{ padding: 11px 20px; font-size: .88rem; }
.btn-block{ width: 100%; }
@media (max-width: 560px){
  .btn-block-mobile{ width: 100%; }
}

/* ==========================================================================
   5. HEADER / NAV
   ========================================================================== */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(18,32,61,.28);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), height var(--dur-fast) var(--ease);
}
.site-header.is-scrolled{
  background: rgba(251,250,247,.92);
  box-shadow: var(--shadow-sm);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 100%;
}

.brand{ display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-logo{
  width: 48px; height: 48px;
  border-radius: 50%;
  transition: transform var(--dur-fast) var(--ease);
}
.brand:hover .brand-logo{ transform: rotate(-8deg) scale(1.05); }
.brand-text{ display: flex; flex-direction: column; line-height: 1.15; }
.brand-name{
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--white);
  transition: color var(--dur-fast) var(--ease);
}
.brand-sub{
  font-family: var(--f-mono);
  font-size: .58rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--terracotta-lt);
}
.site-header.is-scrolled .brand-name{ color: var(--ink); }

.main-nav{ display: none; }
.nav-list{ display: flex; align-items: center; gap: 34px; }
.nav-link{
  font-size: .93rem;
  font-weight: 600;
  color: rgba(255,255,255,.88);
  position: relative;
  padding: 6px 0;
  transition: color var(--dur-fast) var(--ease);
}
.nav-link::after{
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--terracotta-lt);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-fast) var(--ease);
}
.nav-link:hover::after,
.nav-link.is-active::after{ transform: scaleX(1); transform-origin: left; }
.site-header.is-scrolled .nav-link{ color: var(--ink); }
.nav-link.is-active{ color: var(--terracotta-dk); }
.site-header.is-scrolled .nav-link.is-active{ color: var(--terracotta-dk); }

.header-actions{ display: none; align-items: center; gap: 22px; flex-shrink: 0; }
.header-phone{
  display: flex; align-items: center; gap: 8px;
  font-family: var(--f-mono);
  font-size: .84rem;
  font-weight: 600;
  color: var(--white);
  transition: color var(--dur-fast) var(--ease);
}
.header-phone .icon{ width: 17px; height: 17px; color: var(--terracotta-lt); }
.site-header.is-scrolled .header-phone{ color: var(--ink); }

@media (min-width: 1024px){
  .main-nav{ display: block; }
  .header-actions{ display: flex; }
}

.nav-toggle{
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  flex-shrink: 0;
}
.nav-toggle span{
  display: block;
  width: 22px; height: 2px;
  background: var(--white);
  margin-inline: auto;
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.site-header.is-scrolled .nav-toggle span{ background: var(--ink); }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
.site-header.mobile-open .nav-toggle span{ background: var(--white); }

@media (min-width: 1024px){
  .nav-toggle{ display: none; }
}

.mobile-nav{
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--navy-3);
  transform: translateX(100%);
  transition: transform var(--dur-med) var(--ease);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px 28px 40px;
  z-index: 190;
}
.mobile-nav.is-open{ transform: translateX(0); }
.mobile-nav ul{ display: flex; flex-direction: column; gap: 4px; }
.mobile-link{
  display: block;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.9rem;
  color: var(--white);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.mobile-nav-footer{ display: flex; flex-direction: column; gap: 14px; }
@media (min-width: 1024px){
  .mobile-nav{ display: none; }
}

/* ==========================================================================
   6. HERO
   ========================================================================== */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-top: var(--header-h);
}
.hero-media{ position: absolute; inset: 0; }
.hero-img{
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 60% center;
  transform: scale(1.06);
  animation: heroZoom 16s ease-out forwards;
}
@keyframes heroZoom{ to{ transform: scale(1); } }
.hero-overlay{
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(14,24,48,.72) 0%, rgba(14,24,48,.35) 38%, rgba(14,24,48,.55) 68%, rgba(14,24,48,.94) 100%),
    linear-gradient(90deg, rgba(14,24,48,.75) 0%, rgba(14,24,48,.15) 55%);
}
.hero-blueprint{
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  opacity: 0;
  animation: bpFadeIn 1.4s var(--ease) .3s forwards;
}
@keyframes bpFadeIn{ to{ opacity: 1; } }
.bp-grid-rect{
  transform-origin: center;
  animation: bpGridIn 1.8s var(--ease) forwards;
}
@keyframes bpGridIn{ from{ opacity: 0; } to{ opacity: 1; } }
.bp-corners path{
  stroke-dasharray: 90;
  stroke-dashoffset: 90;
  animation: bpDraw 1s var(--ease) .5s forwards;
}
@keyframes bpDraw{ to{ stroke-dashoffset: 0; } }

.hero-inner{
  position: relative;
  z-index: 2;
  padding-bottom: 84px;
  padding-top: 60px;
}
.hero-title{
  font-size: clamp(2.5rem, 1.55rem + 4.5vw, 4.6rem);
  color: var(--white);
  max-width: 15ch;
  margin-bottom: 22px;
}
.hero-lead{
  font-size: clamp(1.05rem, .98rem + .4vw, 1.25rem);
  color: rgba(255,255,255,.86);
  max-width: 46ch;
  margin-bottom: 34px;
}
.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 26px;
}
.hero-whatsapp{
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: .9rem;
  font-weight: 600;
  color: rgba(255,255,255,.82);
  border-bottom: 1px solid rgba(255,255,255,.35);
  padding-bottom: 2px;
  width: fit-content;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.hero-whatsapp .icon{ width: 18px; height: 18px; color: #3FCB6F; }
.hero-whatsapp:hover{ color: var(--white); border-color: var(--white); }

@media (min-width: 768px){
  .hero-inner{ padding-bottom: 110px; }
}

/* ---------- Spec strip ---------- */
.spec-strip{
  background: var(--navy-3);
  border-top: 1px solid rgba(255,255,255,.08);
}
.spec-strip-inner{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 20px;
  padding-block: 34px;
}
.spec-item{ display: flex; flex-direction: column; gap: 4px; }
.spec-item-text{ justify-content: center; }
.spec-number{
  font-family: var(--f-mono);
  font-size: clamp(1.7rem, 1.4rem + 1vw, 2.2rem);
  font-weight: 600;
  color: var(--terracotta-lt);
}
.spec-label{
  font-size: .82rem;
  color: rgba(255,255,255,.72);
  font-weight: 500;
  max-width: 18ch;
}
.spec-label-lg{
  font-family: var(--f-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--white);
  max-width: none;
}
.spec-divider{ display: none; }

@media (min-width: 768px){
  .spec-strip-inner{
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
  }
  .spec-item{ flex: 0 0 auto; }
  .spec-divider{
    display: block;
    flex: 0 0 auto;
    width: 1px; height: 40px;
    background: rgba(255,255,255,.14);
  }
}

/* ==========================================================================
   7. ABOUT
   ========================================================================== */
.about{ padding-block: 96px; }
.about-grid{
  display: grid;
  gap: 48px;
  align-items: center;
}
@media (min-width: 900px){
  .about-grid{
    grid-template-columns: .9fr 1fr;
    gap: 72px;
  }
}
.about-media{ position: relative; }
.about-media-frame{
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5;
}
.about-media-frame img{ width: 100%; height: 100%; object-fit: cover; }
.about-media-tag{
  position: absolute;
  left: -18px; bottom: -22px;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-md);
  max-width: 220px;
}
@media (max-width: 480px){
  .about-media-tag{ left: 12px; bottom: -18px; padding: 14px 16px; }
}
.about-media-tag .mono-label{ color: var(--terracotta-dk); display: block; margin-bottom: 6px; }
.about-media-tag-title{ font-family: var(--f-display); font-weight: 700; font-size: 1.05rem; }

.check-list{ display: flex; flex-direction: column; gap: 14px; margin: 28px 0 34px; }
.check-list li{
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-weight: 600;
  font-size: .98rem;
  color: var(--ink);
}
.icon-check{
  width: 22px; height: 22px;
  flex-shrink: 0;
  color: var(--white);
  background: var(--terracotta-dk);
  border-radius: 50%;
  padding: 3px;
}

/* ==========================================================================
   8. SERVICES
   ========================================================================== */
.services{ padding-block: 96px; background: var(--paper-2); }
.services-grid{
  display: grid;
  gap: 22px;
  grid-template-columns: 1fr;
}
@media (min-width: 700px){
  .services-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px){
  .services-grid{ grid-template-columns: repeat(3, 1fr); }
}

.service-card{
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--stone-light);
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.service-card:hover{
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.service-card-body{ position: relative; z-index: 2; padding: 34px 28px; }
.service-card-featured{
  background: var(--ink);
  color: var(--white);
  border-color: transparent;
}
.service-badge{
  display: inline-block;
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--navy-3);
  background: var(--terracotta-lt);
  padding: 5px 11px;
  border-radius: 999px;
  margin-bottom: 18px;
  font-weight: 600;
}

.service-pattern{
  position: absolute;
  inset: 0;
  opacity: .06;
  transition: opacity var(--dur-med) var(--ease);
  z-index: 1;
}
.service-card:hover .service-pattern{ opacity: .12; }
.service-card-featured .service-pattern{ opacity: .14; }
.service-card-featured:hover .service-pattern{ opacity: .22; }

.service-pattern-herringbone{
  background-image: repeating-linear-gradient(45deg, currentColor 0 3px, transparent 3px 22px),
                     repeating-linear-gradient(-45deg, currentColor 0 3px, transparent 3px 22px);
  color: var(--terracotta-lt);
}
.service-pattern-grid{
  background-image: linear-gradient(currentColor 1.5px, transparent 1.5px),
                     linear-gradient(90deg, currentColor 1.5px, transparent 1.5px);
  background-size: 26px 26px;
  color: var(--ink);
}
.service-pattern-diag{
  background-image: repeating-linear-gradient(120deg, currentColor 0 2px, transparent 2px 20px);
  color: var(--ink);
}
.service-pattern-wave{
  background-image: repeating-linear-gradient(100deg, currentColor 0 2px, transparent 2px 18px);
  color: var(--ink);
}
.service-pattern-pipes{
  background-image: repeating-linear-gradient(0deg, currentColor 0 2px, transparent 2px 16px);
  color: var(--blue);
}
.service-pattern-checker{
  background-image:
    linear-gradient(45deg, currentColor 25%, transparent 25%, transparent 75%, currentColor 75%),
    linear-gradient(45deg, currentColor 25%, transparent 25%, transparent 75%, currentColor 75%);
  background-size: 64px 64px;
  background-position: 0 0, 32px 32px;
  color: var(--terracotta);
}

.service-icon{
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  background: var(--paper-2);
  color: var(--terracotta-dk);
  margin-bottom: 22px;
}
.service-icon svg{ width: 30px; height: 30px; }
.service-card-featured .service-icon{
  background: rgba(255,255,255,.08);
  color: var(--terracotta-lt);
}
.service-title{
  font-size: 1.22rem;
  margin-bottom: 10px;
  max-width: 22ch;
}
.service-desc{
  font-size: .94rem;
  color: var(--muted);
  max-width: 34ch;
}
.service-card-featured .service-desc{ color: rgba(255,255,255,.78); }
.service-link{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-weight: 700;
  font-size: .9rem;
  color: var(--terracotta-lt);
}
.service-link .icon-sm{ width: 16px; height: 16px; transition: transform var(--dur-fast) var(--ease); }
.service-link:hover .icon-sm{ transform: translateX(4px); }

/* ==========================================================================
   9. GALLERY
   ========================================================================== */
.gallery-section{ padding-block: 96px; }

.gallery-filters{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}
.filter-btn{
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px 10px 12px;
  border-radius: 999px;
  border: 1.5px solid var(--stone-light);
  background: var(--white);
  font-size: .86rem;
  font-weight: 600;
  color: var(--muted);
  transition: all var(--dur-fast) var(--ease);
}
.filter-btn:hover{ border-color: var(--terracotta); color: var(--ink); }
.filter-btn.is-active{
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}
.filter-swatch{
  width: 16px; height: 16px;
  border-radius: 4px;
  flex-shrink: 0;
  background-size: cover;
}
.filter-swatch-all{ background: conic-gradient(var(--terracotta) 0 25%, var(--ink) 25% 50%, var(--stone) 50% 75%, var(--blue) 75% 100%); border-radius: 50%; }
.filter-swatch-herringbone{ background-image: repeating-linear-gradient(45deg, var(--terracotta-dk) 0 2px, var(--paper-2) 2px 6px); }
.filter-swatch-wave{ background-image: repeating-linear-gradient(100deg, var(--blue) 0 2px, var(--paper-2) 2px 6px); }
.filter-swatch-checker{ background-image: linear-gradient(45deg, var(--ink) 25%, transparent 25%, transparent 75%, var(--ink) 75%), linear-gradient(45deg, var(--ink) 25%, transparent 25%, transparent 75%, var(--ink) 75%); background-size: 8px 8px; background-position: 0 0, 4px 4px; background-color: var(--paper-2); }
.filter-swatch-hexagon{ background: var(--stone); clip-path: polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%); }
.filter-swatch-feature{ background: var(--terracotta); clip-path: polygon(50% 0,100% 50%,50% 100%,0 50%); }

.gallery-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (min-width: 640px){
  .gallery-grid{ grid-template-columns: repeat(3, 1fr); gap: 20px; }
}
@media (min-width: 1100px){
  .gallery-grid{ grid-template-columns: repeat(4, 1fr); }
}

.gallery-item{
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--paper-2);
  transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
}
.gallery-item.is-hidden{
  display: none;
}
.gallery-btn{ display: block; width: 100%; position: relative; aspect-ratio: 4/5; }
.gallery-btn img{
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--dur-med) var(--ease);
}
.gallery-btn:hover img{ transform: scale(1.07); }
.gallery-zoom{
  position: absolute;
  top: 12px; right: 12px;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(18,32,61,.55);
  color: var(--white);
  font-size: 1.1rem;
  backdrop-filter: blur(4px);
  opacity: 0;
  transform: translateY(-6px);
  transition: all var(--dur-fast) var(--ease);
}
.gallery-btn:hover .gallery-zoom{ opacity: 1; transform: translateY(0); }
.gallery-item figcaption{
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 22px 14px 12px;
  background: linear-gradient(0deg, rgba(14,24,48,.85), transparent);
  color: var(--white);
  font-size: .82rem;
  font-weight: 600;
  pointer-events: none;
}

/* ==========================================================================
   10. PROCESS
   ========================================================================== */
.process{ padding-block: 96px; background: var(--paper-2); }
.process-grid{
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
  margin-bottom: 56px;
}
@media (min-width: 640px){
  .process-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px){
  .process-grid{ grid-template-columns: repeat(4, 1fr); gap: 26px; }
}
.process-step{
  position: relative;
  padding-top: 28px;
  border-top: 2px solid var(--stone-light);
}
.process-number{
  display: block;
  font-family: var(--f-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--terracotta-dk);
  margin-bottom: 14px;
}
.process-title{ font-size: 1.15rem; margin-bottom: 10px; }
.process-desc{ font-size: .93rem; color: var(--muted); max-width: 32ch; }

.process-media{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.process-media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   11. WHY CHOOSE US
   ========================================================================== */
.why-us{ padding-block: 96px; }
.why-grid{
  display: grid;
  gap: 48px;
}
@media (min-width: 900px){
  .why-grid{ grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; }
}
.why-cards{
  display: grid;
  gap: 22px;
  grid-template-columns: 1fr;
}
@media (min-width: 560px){
  .why-cards{ grid-template-columns: repeat(2, 1fr); }
}
.why-card{
  padding: 30px 26px;
  border-radius: var(--radius-lg);
  background: var(--paper-2);
  transition: background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.why-card:hover{ background: var(--ink); color: var(--white); transform: translateY(-4px); }
.why-icon{
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--white);
  color: var(--terracotta-dk);
  margin-bottom: 20px;
  transition: background var(--dur-fast) var(--ease);
}
.why-card:hover .why-icon{ background: rgba(255,255,255,.1); color: var(--terracotta-lt); }
.why-icon svg{ width: 26px; height: 26px; }
.why-card h3{ font-family: var(--f-display); font-size: 1.08rem; margin-bottom: 8px; }
.why-card p{ font-size: .9rem; color: var(--muted); transition: color var(--dur-fast) var(--ease); }
.why-card:hover p{ color: rgba(255,255,255,.78); }

/* ==========================================================================
   12. CTA BAND
   ========================================================================== */
.cta-band{
  position: relative;
  padding-block: 110px;
  overflow: hidden;
  isolation: isolate;
}
.cta-media{ position: absolute; inset: 0; z-index: -1; }
.cta-media img{ width: 100%; height: 100%; object-fit: cover; }
.cta-overlay{
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(14,24,48,.92) 20%, rgba(14,24,48,.68) 100%);
}
.cta-inner{ max-width: 640px; text-align: left; }
.cta-title{
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  color: var(--white);
  margin-bottom: 18px;
}
.cta-text{
  font-size: 1.08rem;
  color: rgba(255,255,255,.82);
  margin-bottom: 32px;
  max-width: 46ch;
}
.cta-actions{ display: flex; flex-wrap: wrap; gap: 16px; }

/* ==========================================================================
   13. CONTACT
   ========================================================================== */
.contact{ padding-block: 96px; }
.contact-grid{
  display: grid;
  gap: 56px;
}
@media (min-width: 980px){
  .contact-grid{ grid-template-columns: 1.15fr .85fr; gap: 72px; }
}

.contact-form{ margin-top: 32px; }
.form-row{
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
  margin-bottom: 20px;
}
@media (min-width: 560px){
  .form-row{ grid-template-columns: 1fr 1fr; }
}
.form-field{ display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-row .form-field{ margin-bottom: 0; }
.form-field label{
  font-size: .84rem;
  font-weight: 700;
  color: var(--ink);
}
.form-field input,
.form-field select,
.form-field textarea{
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--stone-light);
  background: var(--white);
  font-size: .96rem;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  border-color: var(--terracotta);
  box-shadow: 0 0 0 4px rgba(193,90,62,.12);
  outline: none;
}
.form-field textarea{ resize: vertical; min-height: 110px; }
.form-note{
  min-height: 1.4em;
  font-size: .86rem;
  font-weight: 600;
  color: var(--terracotta-dk);
  margin-bottom: 12px;
}
.form-actions{ display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }

.contact-info-card{
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
}
.contact-info-heading{ color: var(--terracotta-lt); margin-bottom: 24px; display: block; }
.contact-info-row{
  display: flex;
  align-items: center;
  gap: 16px;
  padding-block: 16px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .95rem;
  transition: transform var(--dur-fast) var(--ease);
}
a.contact-info-row:hover{ transform: translateX(4px); color: var(--terracotta-lt); }
.contact-info-row strong{ display: block; font-size: .78rem; color: rgba(255,255,255,.55); font-weight: 600; margin-bottom: 3px; }
.contact-info-icon{
  width: 40px; height: 40px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
}
.contact-info-icon svg{ width: 19px; height: 19px; }
.contact-info-social{ display: flex; gap: 12px; margin-top: 26px; }
.social-icon{
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  transition: background var(--dur-fast) var(--ease);
}
.social-icon:hover{ background: var(--terracotta-dk); }
.social-icon svg{ width: 18px; height: 18px; }

.contact-note{
  margin-top: 20px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--paper-2);
  border: 1px dashed var(--stone);
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.55;
}

/* ==========================================================================
   14. FOOTER
   ========================================================================== */
.site-footer{
  position: relative;
  background: var(--navy-3);
  color: rgba(255,255,255,.75);
  padding-top: 72px;
  overflow: hidden;
}
.footer-pattern{
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: repeating-linear-gradient(-45deg, var(--terracotta) 0 14px, var(--navy) 14px 28px);
}
.footer-grid{
  display: grid;
  gap: 42px;
  grid-template-columns: 1fr;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
@media (min-width: 720px){
  .footer-grid{ grid-template-columns: 1.4fr repeat(3, 1fr); }
}
.footer-logo{ border-radius: 50%; margin-bottom: 16px; }
.footer-tagline{
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--white);
  max-width: 20ch;
  margin-bottom: 20px;
}
.footer-social{ display: flex; gap: 10px; }
.footer-social .social-icon{ width: 36px; height: 36px; }
.footer-social .social-icon svg{ width: 16px; height: 16px; }
.footer-note{
  font-size: .78rem;
  color: rgba(255,255,255,.4);
}
.footer-col h4{ color: var(--terracotta-lt); margin-bottom: 18px; }
.footer-col ul{ display: flex; flex-direction: column; gap: 11px; }
.footer-col a{ font-size: .92rem; transition: color var(--dur-fast) var(--ease); }
.footer-col a:hover{ color: var(--white); }
.footer-col li{ font-size: .92rem; }

.footer-bottom{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-block: 26px;
  font-size: .82rem;
  color: rgba(255,255,255,.5);
}

/* ==========================================================================
   15. FLOATING ACTIONS
   ========================================================================== */
.floating-whatsapp{
  position: fixed;
  right: 22px; bottom: 22px;
  width: 58px; height: 58px;
  display: flex; align-items: center; justify-content: center;
  background: #25D366;
  color: var(--white);
  border-radius: 50%;
  box-shadow: 0 10px 26px rgba(37,211,102,.45);
  z-index: 150;
  transition: transform var(--dur-fast) var(--ease);
}
.floating-whatsapp svg{ width: 30px; height: 30px; }
.floating-whatsapp:hover{ transform: scale(1.08); }
.floating-whatsapp::before{
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  background: #25D366;
  animation: pulseRing 2.4s ease-out infinite;
  z-index: -1;
}
@keyframes pulseRing{
  0%{ transform: scale(1); opacity: .55; }
  100%{ transform: scale(1.9); opacity: 0; }
}
@media (prefers-reduced-motion: reduce){
  .floating-whatsapp::before{ animation: none; }
}

.back-to-top{
  position: fixed;
  right: 22px; bottom: 90px;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--ink);
  color: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  z-index: 150;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all var(--dur-fast) var(--ease);
}
.back-to-top.is-visible{ opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top svg{ width: 20px; height: 20px; }
.back-to-top:hover{ background: var(--terracotta-dk); }
@media (min-width: 640px){
  .floating-whatsapp{ right: 32px; bottom: 32px; }
  .back-to-top{ right: 32px; bottom: 104px; }
}

/* ==========================================================================
   16. LIGHTBOX
   ========================================================================== */
.lightbox{
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(9,15,29,.96);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  animation: lbFade var(--dur-fast) var(--ease) forwards;
}
@keyframes lbFade{ to{ opacity: 1; } }
.lightbox[hidden]{ display: none; }
.lightbox-figure{ max-width: 900px; width: 100%; text-align: center; }
.lightbox-figure img{
  max-height: 78vh;
  width: auto;
  margin-inline: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}
.lightbox-figure figcaption{
  margin-top: 18px;
  color: rgba(255,255,255,.8);
  font-size: .92rem;
  font-weight: 600;
}
.lightbox-close{
  position: absolute;
  top: 24px; right: 24px;
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: var(--white);
  transition: background var(--dur-fast) var(--ease);
}
.lightbox-close:hover{ background: rgba(255,255,255,.18); }
.lightbox-close svg{ width: 22px; height: 22px; }
.lightbox-nav{
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: var(--white);
  transition: background var(--dur-fast) var(--ease);
}
.lightbox-nav:hover{ background: rgba(255,255,255,.18); }
.lightbox-nav svg{ width: 24px; height: 24px; }
.lightbox-prev{ left: 16px; }
.lightbox-next{ right: 16px; }
@media (min-width: 768px){
  .lightbox-prev{ left: 36px; }
  .lightbox-next{ right: 36px; }
}

/* ==========================================================================
   17. SCROLL REVEAL
   ========================================================================== */
/* Progressive enhancement: content is fully visible by default so it
   never disappears if JavaScript fails to load or run. The animated
   hidden state is only applied once html.js confirms JS is active. */
.reveal{ opacity: 1; transform: none; }
html.js .reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
html.js .reveal[data-reveal="left"]{ transform: translateX(-32px); }
html.js .reveal[data-reveal="right"]{ transform: translateX(32px); }
html.js .reveal.in-view{
  opacity: 1;
  transform: translate(0,0);
}
@media (prefers-reduced-motion: reduce){
  html.js .reveal{ opacity: 1; transform: none; transition: none; }
}

/* stagger children of grids on view */
.services-grid .service-card:nth-child(2){ transition-delay: .06s; }
.services-grid .service-card:nth-child(3){ transition-delay: .12s; }
.services-grid .service-card:nth-child(4){ transition-delay: .18s; }
.services-grid .service-card:nth-child(5){ transition-delay: .24s; }
.services-grid .service-card:nth-child(6){ transition-delay: .3s; }
.why-cards .why-card:nth-child(2){ transition-delay: .06s; }
.why-cards .why-card:nth-child(3){ transition-delay: .12s; }
.why-cards .why-card:nth-child(4){ transition-delay: .18s; }
.process-grid .process-step:nth-child(2){ transition-delay: .06s; }
.process-grid .process-step:nth-child(3){ transition-delay: .12s; }
.process-grid .process-step:nth-child(4){ transition-delay: .18s; }

/* ==========================================================================
   18. MISC / PRINT
   ========================================================================== */
::selection{ background: var(--terracotta); color: var(--white); }

@media print{
  .site-header, .floating-whatsapp, .back-to-top, .mobile-nav, .lightbox{ display: none !important; }
}