/* ============================================================
   ANTRE ARCHITECTURE STUDIO — GLOBAL STYLESHEET
   ============================================================ */

/* ── TOKENS ── */
:root {
  --cream: #f5f2ed;
  --charcoal: #1a1a1a;
  --warm-gray: #8a8580;
  --accent: #c8b89a;
  --light-bg: #f0ede8;
  --white: #ffffff;
  --company-green: #2f5d50;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--cream);
  color: var(--charcoal);
  overflow-x: hidden;
}

/* ── NAVBAR ── */
.iso-navbar {
  background-color: transparent;
  backdrop-filter: none;
  box-shadow: none;
  padding-top: 1.2rem;
  padding-bottom: 1.2rem;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1050;
}

/* .iso-navbar.scrolled {
  position: fixed;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(8px);
} */

/* For pages without full-height hero, navbar is always visible */
/* .page-nav {
  position: fixed;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(8px);
} */

.iso-container {
  width: 100%;
  max-width: 1320px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.iso-logo-center {
  font-weight: 400;
  font-size: 1.5rem;
  letter-spacing: 1px;
  color: white;
  text-shadow: 0 2px 5px rgba(0,0,0,0.3);
  background: transparent;
  text-decoration: none;
  display: flex;
  justify-content: center;
  align-items: center;
}

.iso-logo-center img.logo-img {
  max-height: 70px;
  width: auto;
}

.iso-hamburger-wrapper {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.iso-hamburger-btn {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.7);
  border-radius: 50px;
  width: 56px;
  height: 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: 0.2s ease;
  padding: 0;
}

.iso-hamburger-btn:focus-visible { outline: 2px solid white; }

.iso-hamburger-btn .iso-bar {
  width: 26px;
  height: 2px;
  background-color: white;
  margin: 3px 0;
  border-radius: 4px;
  transition: 0.2s;
}

.iso-hamburger-btn:hover { background: rgba(255,255,255,0.1); }

/* ── OVERLAY ── */
.iso-full-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(10,15,20,0.98);
  backdrop-filter: blur(4px);
  z-index: 1090;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.25s, opacity 0.25s linear;
}

.iso-full-overlay.iso-overlay-open {
  visibility: visible;
  opacity: 1;
}

.iso-overlay-rule {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 100%;
  background: rgba(255,255,255,0.05);
}

.iso-overlay-content { text-align: center; }

.iso-overlay-content .iso-nav-link {
  display: block;
  color: rgba(255,255,255,0.82);
  text-decoration: none;
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  margin: 0.8rem 0;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.iso-overlay-content .iso-nav-link:hover { color: var(--accent); }

.iso-close-btn {
  position: absolute;
  top: 2rem; right: 2.5rem;
  background: transparent;
  border: none;
  color: white;
  font-size: 3rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
  padding: 0 0.5rem;
}

.iso-close-btn:hover { opacity: 1; }

/* ── HERO (INDEX) ── */
#hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/images/projects/nanyuki-farm-house/nanyuki-farm-house-work-04.jpg') center/cover no-repeat;
  transform: scale(1.08);
  transition: transform 8s ease-out;
}

#hero.loaded .hero-bg { transform: scale(1); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(10,10,10,.6) 0%, rgba(10,10,10,.35) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 1.5rem;
}

.hero-eyebrow {
  font-size: .62rem;
  letter-spacing: .4em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.4rem;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp .8s .3s forwards;
}

.hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3.2rem, 8vw, 7rem);
  font-weight: 300;
  line-height: 1.05;
  color: var(--white);
  letter-spacing: -.01em;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp .9s .5s forwards;
}

.hero-title em { font-style: italic; color: var(--accent); }

.hero-cta {
  display: inline-block;
  margin-top: 2.8rem;
  padding: .75rem 2.2rem;
  font-size: .6rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--white);
  border: 1px solid rgba(255,255,255,.5);
  text-decoration: none;
  transition: background .3s, border-color .3s;
  opacity: 0;
  animation: fadeUp .9s .75s forwards;
}

.hero-cta:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--white);
  color: var(--white);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  opacity: 0;
  animation: fadeUp .8s 1.2s forwards;
}

.hero-scroll-hint span {
  font-size: .55rem;
  letter-spacing: .25em;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
  transform: scale(1.02);
  transition: transform 8s ease-out;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(47,93,80,0.72);
  z-index: 1;
}

.page-hero .hero-content {
  position: relative;
  z-index: 2;
  padding: 2rem;
}

.page-hero .hero-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.82);
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.3s forwards;
}

.page-hero .hero-title {
  color: var(--white);
  font-size: clamp(3rem, 8vw, 6rem);
  font-family: "Cormorant Garamond", serif;
  font-weight: 300;
  opacity: 0;
  animation: fadeUp 0.9s 0.5s forwards;
}

/* Page-specific hero backgrounds */
.hero-about::before  { background-image: url("/images/projects/gdc-witeithie/gdc-witeithie-work-12.jpg"); }
.hero-services::before { background-image: url("/images/projects/jm-showroom/antre JM Showroom Kiambu01.jpg"); }
.hero-projects::before { background-image: url("/images/projects/pmax-hospital/pmax-hospital-work-03.jpg"); }
.hero-contact::before  { background-image: url("/images/projects/jm-showroom/antre JM Showroom Kiambu01.jpg"); }

/* ── SECTION LABELS ── */
.section-label {
  font-size: .58rem;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--charcoal);
}

/* ── PROJECTS SECTION (index + projects page) ── */
#projects { background: var(--charcoal); }

.project-item {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  text-decoration: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-bg {
  position: absolute;
  inset: -10%;
  background-size: cover;
  background-position: center;
  will-change: transform;
  transition: transform .05s linear;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,.42);
  transition: background .5s ease;
}

.project-item:hover .project-overlay { background: rgba(10,10,10,.28); }

.project-meta {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  transform: translateY(10px);
  transition: transform .5s ease;
}

.project-item:hover .project-meta { transform: translateY(0); }

.project-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.4rem, 3vw, 5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -.01em;
}

.project-arrow {
  display: inline-block;
  margin-top: 1.6rem;
  font-size: .58rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
  border-bottom: 1px solid rgba(255,255,255,.3);
  padding-bottom: 3px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .4s .1s, transform .4s .1s, color .3s;
}

.project-item:hover .project-arrow {
  opacity: 1;
  transform: translateY(0);
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── PROJECT FILTER TABS (projects page) ── */
.project-filters {
  background: var(--charcoal);
  padding: 2.5rem 2rem 0;
  display: flex;
  justify-content: center;
  gap: 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: rgba(255,255,255,0.45);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.58rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  padding: 1rem 2rem 1.2rem;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s;
}

.filter-btn:hover { color: rgba(255,255,255,0.8); }

.filter-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* filter hidden state */
.project-item.hidden {
  display: none;
}

/* ── CTA ── */
#cta {
  padding: 6rem 2rem;
  text-align: center;
  background: var(--white);
}

.cta-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.8rem, 6vw, 6rem);
  font-weight: 300;
  line-height: 1.08;
  margin-bottom: 2.5rem;
}

.cta-title em { font-style: italic; color: var(--warm-gray); }

.btn-outline-dark-custom {
  display: inline-block;
  padding: 0.85rem 2.6rem;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--charcoal);
  border: 1px solid var(--charcoal);
  transition: all 0.3s ease;
}

.btn-outline-dark-custom:hover {
  background-color: var(--charcoal);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

/* ── CLIENTS ── */
#clients {
  background: var(--light-bg);
  padding: 6rem 4rem;
  border-top: 1px solid rgba(26,26,26,.06);
}

#clients .section-label { text-align: center; }
#clients .section-title { text-align: center; margin-bottom: 3.5rem; }

.clients-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid rgba(26,26,26,.1);
  border-left: 1px solid rgba(26,26,26,.1);
  max-width: 1100px;
  margin: 0 auto;
}

.client-logo-cell {
  border-right: 1px solid rgba(26,26,26,.1);
  border-bottom: 1px solid rgba(26,26,26,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  /* padding: 2.2rem 1.5rem; */
  transition: background .3s;
  min-height: 100px;
}

.client-logo-cell:hover { background: var(--white); }

.client-logo-cell img {
  max-height: 70px;
  max-width: 110px;
  object-fit: contain;
  /* filter: grayscale(1); */
  /* opacity: 0.6; */
  transition: filter .3s, opacity .3s;
}

.client-logo-cell:hover img { filter: grayscale(0); opacity: 1; }

/* ── ABOUT PAGE ── */
.about-story-section {
  position: relative;
  overflow: hidden;
  background: var(--company-green);
  padding: 7rem 4rem;
}

.about-story-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
  transform: scale(1.02);
}

.about-story-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(20,30,26,.62) 0%, rgba(20,30,26,.38) 45%, rgba(20,30,26,.58) 100%);
  z-index: 1;
}

.about-story-content {
  position: relative;
  z-index: 2;
  max-width: 980px;
  margin: 0 auto;
}

.about-story-label {
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  margin-bottom: 1.5rem;
}

.about-story-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1.05;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 2rem;
}

.about-story-text p {
  font-size: 0.95rem;
  line-height: 2;
  color: rgba(255,255,255,0.9);
  font-weight: 300;
  margin-bottom: 1.6rem;
}

.mission-vision {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  background: var(--light-bg);
  padding: 4rem;
}

.mission-vision h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.4rem;
  font-weight: 300;
  margin-bottom: 1.2rem;
  color: var(--charcoal);
}

.mission-vision p {
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--warm-gray);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  margin-top: 3rem;
}

.phil-item {
  border-top: 1px solid rgba(26,26,26,0.1);
  padding-top: 2rem;
}

.phil-item h4 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
  color: var(--charcoal);
}

.phil-item p {
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--warm-gray);
}

/* ── SERVICES PAGE ── */
/* ── SERVICES PAGE: ZIGZAG VISUAL LAYOUT ── */
.services-zigzag-section {
  background: var(--cream);
  padding: 5rem 4rem 6rem;
}

.services-zigzag-intro {
  max-width: 820px;
  margin: 0 auto 4rem;
  text-align: center;
}

.services-zigzag-copy {
  max-width: 760px;
  margin: 1.4rem auto 0;
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--warm-gray);
}

.services-zigzag-wrap {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  /* gap: 2.5rem; */
}

.service-zigzag-item {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: stretch;
  background: var(--white);
  border: 1px solid rgba(26,26,26,0.08);
  overflow: hidden;
}

.service-zigzag-item.reverse {
  grid-template-columns: 0.95fr 1.05fr;
}

.service-zigzag-item.reverse .service-zigzag-media {
  order: 2;
}

.service-zigzag-item.reverse .service-zigzag-content {
  order: 1;
}

.service-zigzag-media {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  background: #ddd;
}

.service-zigzag-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s ease, opacity 0.4s ease;
}

.service-zigzag-item:hover .service-zigzag-media img {
  transform: scale(1.04);
}

.service-zigzag-content {
  padding: 3.2rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.service-zigzag-num {
  display: inline-block;
  font-size: 0.58rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.service-zigzag-kicker {
  font-size: 0.62rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin-bottom: 0.9rem;
}

.service-zigzag-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  line-height: 1.02;
  color: var(--charcoal);
  margin-bottom: 1.25rem;
}

.service-zigzag-desc {
  font-size: 0.84rem;
  line-height: 1.95;
  color: var(--warm-gray);
  margin-bottom: 1.8rem;
}

.service-zigzag-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1.4rem;
}

.service-zigzag-points li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--charcoal);
  letter-spacing: 0.02em;
}

.service-zigzag-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

@media (max-width: 991px) {
  .services-zigzag-section {
    padding: 4rem 2rem 5rem;
  }

  .service-zigzag-item,
  .service-zigzag-item.reverse {
    grid-template-columns: 1fr;
  }

  .service-zigzag-item.reverse .service-zigzag-media,
  .service-zigzag-item.reverse .service-zigzag-content {
    order: initial;
  }

  .service-zigzag-media {
    min-height: 320px;
  }

  .service-zigzag-content {
    padding: 2.25rem 2rem;
  }
}

@media (max-width: 576px) {
  .service-zigzag-points {
    grid-template-columns: 1fr;
  }

  .service-zigzag-media {
    min-height: 260px;
  }

  .service-zigzag-content {
    padding: 2rem 1.5rem;
  }
}

/* ── CONTACT PAGE ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-info {
  background: var(--white);
  padding: 3rem;
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.04);
}

.info-item { margin-bottom: 2.8rem; }

.info-label {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin-bottom: 0.6rem;
}

.info-value {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 300;
  line-height: 1.3;
  color: var(--charcoal);
}

.info-value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}

.info-value a:hover { border-bottom-color: var(--accent); }

.info-note {
  font-size: 0.75rem;
  color: var(--warm-gray);
  margin-top: 0.5rem;
}

.contact-form {
  background: var(--white);
  padding: 3rem;
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.04);
}

.form-group { margin-bottom: 2rem; }

.form-control {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(26,26,26,0.15);
  padding: 0.6rem 0 0.4rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  color: var(--charcoal);
  transition: border-color .2s;
  outline: none;
}

.form-control:focus { border-bottom-color: var(--accent); }

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

.submit-btn {
  background: transparent;
  border: 1px solid var(--charcoal);
  padding: 0.9rem 2.8rem;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--charcoal);
  cursor: pointer;
  transition: background .3s, color .3s;
  font-family: 'Montserrat', sans-serif;
  margin-top: 1rem;
}

.submit-btn:hover { background: var(--charcoal); color: var(--white); }

.map-container {
  background: var(--light-bg);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--warm-gray);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ── PROJECT DETAIL PAGE ── */
.project-hero-detail {
  position: relative;
  min-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.project-hero-detail::before {
  content: "";
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
  animation: slowZoom 12s ease-out forwards;
}

.project-hero-detail::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(47,93,80,0.68);
  z-index: 1;
}

.project-hero-detail .hero-content {
  position: relative;
  z-index: 2;
  padding: 2rem;
}

.project-hero-detail .hero-title {
  color: var(--white);
  font-size: clamp(3rem, 8vw, 6rem);
  font-family: "Cormorant Garamond", serif;
  font-weight: 300;
  letter-spacing: 0.02em;
  opacity: 0;
  animation: fadeUp 0.9s 0.4s forwards;
}

/* Project detail description */
.project-description {
  max-width: 800px;
  margin: 3rem auto 2rem;
  padding: 0 2rem 3rem;
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.7);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.project-description strong { color: var(--accent); font-weight: 400; }

/* Gallery grid */
.project-gallery { margin: 0 auto; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  /* padding: 2rem; */
}

.gallery-item {
  position: relative;
  overflow: hidden;
  background: #222;
  height: 380px;
  transition: transform .4s ease;
}

.gallery-item:hover { transform: translateY(-4px); }

.gallery-item a {
  display: block;
  width: 100%;
  height: 100%;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity .4s, transform .6s;
}

.gallery-item:hover img { opacity: 0.9; transform: scale(1.03); }

.gallery-item.span-full {
  grid-column: 1 / -1;
  height: 480px;
}

/* ── FOOTER ── */
.site-footer {
  position: relative;
  overflow: hidden;
  padding: 4rem 4rem 2.5rem;
  background-color: var(--company-green);
  color: rgba(255,255,255,0.72);
}

.site-footer .footer-bg {
  position: absolute;
  inset: 0;
  background-image: url("/images/antre-graphics-element-brown.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

.site-footer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.12);
  z-index: 1;
  pointer-events: none;
}

.site-footer .footer-content {
  position: relative;
  z-index: 2;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-logo-img {
  max-height: 55px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-socials {
  display: flex;
  gap: 1.2rem;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  transition: border-color .3s, color .3s, transform .3s;
}

.footer-socials a:hover {
  border-color: var(--white);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: 2rem;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.58);
}

/* ── REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s ease, transform .8s ease;
}

.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .15s; }
.reveal-delay-2 { transition-delay: .3s; }

/* ── KEYFRAMES ── */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: .6; }
  50% { opacity: 1; }
}

@keyframes slowZoom {
  from { transform: scale(1); }
  to { transform: scale(1.06); }
}

/* ── RESPONSIVE ── */
@media (max-width: 1200px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 991px) {
  .about-story-section { padding: 5rem 2rem; }
  .mission-vision { grid-template-columns: 1fr; padding: 3rem 2rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .contact-info, .contact-form { padding: 2rem; }
  #clients { padding: 4rem 2rem; }
  .clients-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-top { flex-direction: column; gap: 2rem; align-items: flex-start; }
  .site-footer { padding: 3rem 2rem 2rem; }
}

@media (max-width: 768px) {
  .philosophy-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .services-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; padding: 1rem; }
  .gallery-item, .gallery-item.span-full { grid-column: 1 / -1; height: 280px; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .project-item { height: 75vh; }
  .project-filters { gap: 0; }
  .filter-btn { padding: 0.8rem 1rem; font-size: 0.5rem; }
  .iso-hamburger-btn { width: 46px; height: 46px; }
  .iso-hamburger-btn .iso-bar { width: 22px; }
  .iso-logo-center img.logo-img { max-height: 55px; }
}

@media (max-width: 576px) {
  .contact-info, .contact-form { padding: 1.5rem; }
  .info-value { font-size: 1.5rem; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
}