/* ==========================================================================
   VITTA — Interior Design & Construction
   ========================================================================== */

@font-face {
  font-family: 'Glacial Indifference';
  src: url('../font/glacial-indifference/GlacialIndifference-Regular.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Glacial Indifference';
  src: url('../font/glacial-indifference/GlacialIndifference-Bold.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Bodoni FLF';
  src: url('../font/bodoniflf/BodoniFLF-Roman.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Bodoni FLF';
  src: url('../font/bodoniflf/BodoniFLF-Italic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Bodoni FLF';
  src: url('../font/bodoniflf/BodoniFLF-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Bodoni FLF';
  src: url('../font/bodoniflf/BodoniFLF-BoldItalic.ttf') format('truetype');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

:root {
  --color-bg: #A84309;
  --color-bg-alt: #FAEFE0;
  --color-dark: #0000;
  --color-charcoal: #2e2a26;
  --color-text-color: #FAEFE0;
  --color-text-black: #0000;
  --color-text-light: #FAEFE0;
  --color-accent: #8f5c2c;
  --color-accent-dark: #8f5c2c;
  --color-cream: #FAEFE0;
  --color-olivewood: #6f5a44;
  --color-border: #FAEFE0;

  --font-heading: 'Noto Sans Thai', sans-serif;
  --font-body: 'Noto Sans Thai', sans-serif;
  --font-glacial: 'Glacial Indifference', sans-serif;
  --font-bodoni: 'Bodoni FLF', serif;

  --container: 1180px;
  --transition: 0.35s cubic-bezier(0.65, 0, 0.35, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text-color);
  background: var(--color-bg);
  line-height: 1.7;
  font-weight: 300;
  overflow-x: hidden;
}

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

a { text-decoration: none; color: var(--color-text-color); }

ul { list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; border-radius: 10px; }

input, textarea, select {
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text-color);
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-text-color); font-weight: 600; }
.font-bodoni { font-family: var(--font-bodoni); }

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

/* ---------- Utility ---------- */
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--color-text-light);
  font-weight: 500;
  margin-bottom: 14px;
}
.center { text-align: center; }
.section-title { font-size: clamp(1.9rem, 3vw, 2.6rem); margin-bottom: 16px; }
.section-title.center { margin-left: auto; margin-right: auto; }
.section-sub {
  color: var(--color-text-light);
  max-width: 560px;
  margin: 0 auto 56px;
  font-size: 0.98rem;
}

.btn {
  display: inline-block;
  padding: 15px 34px;
  border-radius: 25px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); }
.btn-outline { border-color: var(--color-dark); color: var(--color-dark); }
.btn-outline:hover { background: var(--color-dark); color: #fff; }
.btn-ghost { border-color: rgba(255,255,255,0.6); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,0.12); }

/* ---------- Header ---------- */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 14px 0;
  background: var(--color-bg);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; }

.logo { display: inline-block; }
.logo-img { display: block; height: 40px; width: auto; border-radius: 3px; }

#nav ul { display: flex; gap: 38px; }
#nav a {
  font-size: 0.9rem;
  color: #fff;
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition);
}
#nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}
#nav a:hover::after, #nav a.active::after { width: 100%; }
#nav a:hover, #nav a.active { color: #b9b9b9; }

.nav-cta { color: #fff !important; border-color: #fff !important; }
.nav-cta:hover { background: var(--color-cream) !important; color: var(--color-text-black) !important; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--color-dark);
  overflow: hidden;
  z-index: -1;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: heroFade 25s infinite ease-in-out;
}
.hero-slide:nth-child(1) { animation-delay: 0s; }
.hero-slide:nth-child(2) { animation-delay: 5s; }
.hero-slide:nth-child(3) { animation-delay: 10s; }
.hero-slide:nth-child(4) { animation-delay: 15s; }
.hero-slide:nth-child(5) { animation-delay: 20s; }
@keyframes heroFade {
  0%   { opacity: 0; }
  3%   { opacity: 1; }
  18%  { opacity: 1; }
  23%  { opacity: 0; }
  100% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-slide { animation: none; opacity: 0; }
  .hero-slide:first-child { opacity: 1; }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(34, 34, 34, 0.82), rgba(33,29,26,0.3)),
    radial-gradient(circle at 80% 30%, rgba(179,119,62,0.35), transparent 55%);
}
.hero-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 120px);
}
.hero-content { color: #000000; max-width: 720px; }
.hero-content .eyebrow { color: #d8a86c; }
.hero-content h1 {
  font-family: var(--font-bodoni);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1.1;
  color: #fff;
  margin-bottom: 24px;
}
.type-cursor {
  display: inline-block;
  width: 3px;
  height: 0.85em;
  margin-left: 4px;
  background: currentColor;
  vertical-align: -0.1em;
  animation: typeBlink 0.9s steps(1) infinite;
}
@keyframes typeBlink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}
.hero-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.78);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-btns { display: flex; gap: 18px; flex-wrap: wrap; }

.scroll-down {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-down span {
  width: 4px;
  height: 8px;
  background: #fff;
  border-radius: 2px;
  animation: scrollDown 1.6s ease infinite;
}
@keyframes scrollDown {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ---------- About ---------- */
.about { padding: 140px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-media { position: relative; height: 480px; }
.media-block {
  position: absolute;
  border-radius: 4px;
  background-size: cover;
  background-position: center;
}
.block-1 {
  top: 0; left: 0;
  width: 78%; height: 78%;
  background-color: #d8c3a5;
}
.block-2 {
  bottom: 0; right: 0;
  width: 58%; height: 46%;
  background-color: #2e2a26;
  border: 6px solid var(--color-bg);
}
.about-badge {
  position: absolute;
  bottom: 8%;
  left: -6%;
  background: var(--color-cream);
  padding: 22px 26px;
  border-radius: 4px;
  box-shadow: 0 20px 45px rgba(33,29,26,0.15);
  text-align: center;
}
.about-badge strong { display: block; font-family: var(--font-heading); font-size: 2rem; color: var(--color-accent); }
.about-badge span { font-size: 0.78rem; color: #000; }

.about-text h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); margin-bottom: 22px; color: #fff; }
.about-text p { margin-bottom: 16px; color: #fff; }
.about-note { font-family: var(--font-glacial); font-size: 0.82rem; color: rgba(0, 0, 0, 0.7); line-height: 1.5; margin-top: 24px; }
.about-text .eyebrow { color: #fff; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}
.stat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.1rem;
  color: var(--color-dark);
  font-weight: 700;
}
.stat-label { font-size: 0.76rem; color: var(--color-text-light); }

/* ---------- Services ---------- */
.services { padding: 100px 0; background: var(--color-bg-alt); }
.services .section-title { color: #000; }
.services .section-sub { color: rgba(0,0,0,0.7); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 100px;
}
.service-card {
  background: var(--color-cream);
  padding: 44px 34px;
  border-radius: 6px;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--color-olivewood);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 50px rgba(33,29,26,0.08);
  border-color: transparent;
}
.service-icon {
  width: 54px; height: 54px;
  color: var(--color-accent);
  margin-bottom: 22px;
}
.service-icon svg { width: 100%; height: 100%; }
.service-icon-numeral {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 600;
}
.service-card h3 { font-size: 1.25rem; margin-bottom: 12px; color: var(--color-charcoal); }
.service-card p { font-size: 0.92rem; color: var(--color-charcoal); }

/* ---------- Portfolio ---------- */
.portfolio { padding: 40px 0; }
.portfolio .section-title { color: #fff; }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 26px;
}
.portfolio-item {
  display: block;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  height: 340px;

  transition: opacity 0.4s ease, transform 0.4s ease;
}
.portfolio-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}
.portfolio-item:hover .portfolio-img { transform: scale(1.08); }

.portfolio-info {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 26px 24px;
  background: linear-gradient(0deg, rgba(0,0,0,0.7), transparent);
  color: #fff;
}
.portfolio-info h4 { color: #fff; font-size: 1.1rem; margin-bottom: 4px; }
.portfolio-info span { font-size: 0.76rem; color: #d8a86c; }

/* ---------- Why VITTA ---------- */
.why { padding: 80px 0; background: var(--color-bg-alt); }
.why .eyebrow { color: #d8a86c; }
.why .section-title { color: #000; }
.why .section-sub { color: rgba(0,0,0,0.7); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 30px;
}
.why-item {
  position: relative;
  height: 380px;
  border-radius: 6px;
  overflow: hidden;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.why-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 50px rgba(33,29,26,0.2);
}
.why-item:hover .why-media img { transform: scale(1.08); }
.why-media { position: absolute; inset: 0; }
.why-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.why-body {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 30px 28px 28px;
  background: linear-gradient(0deg, rgba(0,0,0,0.85), rgba(0,0,0,0.2) 65%, transparent);
}
.why-item h3 { font-size: 1.15rem; margin-bottom: 12px; color: #fff; }
.why-item p { font-size: 0.9rem; color: rgba(255,255,255,0.85); }

/* ---------- Process ---------- */
.process { padding: 80px 0; background: var(--color-bg-alt); color: #880909; }
.process .eyebrow { color: #d8a86c; }
.process .section-title { color: #000000; }
.process .section-sub { color: #000; }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.process-step {
  padding: 10px 12px;
  border-left: 1px solid rgba(255,255,255,0.15);
}
.step-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.4rem;
  color: var(--color-accent);
  margin-bottom: 14px;
}
.process-step h3 { color: #000; font-size: 1.15rem; margin-bottom: 10px; }
.process-step p { color: #000; font-size: 0.9rem; }

/* ---------- Testimonials ---------- */
.testimonials { padding: 140px 0; }
.testimonials .eyebrow { color: #fff; }
.testimonials .section-title { color: #fff; }
.testimonial-slider { max-width: 720px; margin: 0 auto; }
.testimonial-track { display: flex; flex-direction: column; gap: 60px; }
.testimonial-card {
  text-align: center;
  padding: 0 20px;
}
.testimonial-card p {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  line-height: 1.6;
  color: #fff;
  font-style: italic;
  margin-bottom: 26px;
}
.testimonial-author strong { display: block; color: #fff; }
.testimonial-author span { font-size: 0.82rem; color: var(--color-accent); }

/* ---------- CTA Banner ---------- */
.cta-banner {
  padding: 100px 0;
  background:
    linear-gradient(120deg, rgba(0,0,0,0.55), rgba(0,0,0,0.55)),
    url('../image/vittamat.png') center/cover no-repeat;
  text-align: center;
  color: #fff;
}
.cta-content h2 { color: #fff; font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 14px; }
.cta-content p { color: rgba(255,255,255,0.85); margin-bottom: 30px; }
.cta-banner .btn-primary { background: #fff; color: var(--color-accent-dark); }
.cta-banner .btn-primary:hover { background: var(--color-dark); color: #fff; }

/* ---------- Contact ---------- */
.contact { padding: 140px 0; background: var(--color-bg-alt); }
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
}
.contact-info h2 { font-size: clamp(1.8rem, 3vw, 2.3rem); margin: 6px 0 18px; }
.contact-lead { color: var(--color-text-light); margin-bottom: 34px; }
.contact-details li {
  display: flex;
  flex-direction: column;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-details strong { font-size: 0.78rem; color: var(--color-accent); margin-bottom: 4px; }
.socials { display: flex; gap: 12px; margin-top: 30px; }
.socials a {
  width: 48px; height: 48px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-dark);
  transition: all var(--transition);
}
.socials a:hover { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.socials a svg { width: 24px; height: 24px; }
.footer .socials a { color: #fff; border-color: rgba(255,255,255,0.3); }

.contact-form {
  background: var(--color-cream);
  padding: 44px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 22px; position: relative; }
.form-group label {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-bottom: 8px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: #fff;
  transition: border-color var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-group textarea { resize: vertical; }

.form-submit { width: 100%; text-align: center; margin-top: 6px; }

/* ---------- Footer ---------- */
.footer { background: var(--color-bg); color: rgba(255,255,255,0.7); padding: 90px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 50px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand p { margin-top: 16px; font-size: 0.88rem; max-width: 260px; color: rgba(255,255,255,0.5); }
.footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col a { font-size: 0.88rem; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-col a:hover { color: var(--color-accent); }
.footer-col p { font-size: 0.88rem; color: rgba(255,255,255,0.5); margin-bottom: 16px; }

.newsletter-form { display: flex; border-bottom: 1px solid rgba(255,255,255,0.3); padding-bottom: 8px; }
.newsletter-form input {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 0.88rem;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.newsletter-form button { color: var(--color-accent); font-size: 1.1rem; }

.footer-bottom { text-align: center; padding: 26px 0; font-size: 0.8rem; color: rgba(255,255,255,0.4); }

/* ---------- Back to top ---------- */
#backToTop {
  position: fixed;
  bottom: 30px; right: 30px;
  width: 46px; height: 46px;
  background: var(--color-dark);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  z-index: 500;
}
#backToTop:hover { background: var(--color-accent); }

/* ---------- Floating call button ---------- */
.call-float {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  transition: background var(--transition), transform var(--transition);
  z-index: 500;
}
.call-float svg { width: 20px; height: 20px; flex-shrink: 0; }
.call-float:hover { background: var(--color-accent-dark); transform: translateX(-50%) translateY(-2px); }

/* ---------- Project Detail Page ---------- */
.project-hero {
  position: relative;
  height: 60vh;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
}
.project-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(33,29,26,0.88), rgba(33,29,26,0.25));
}
.project-hero-content { position: relative; z-index: 1; color: #fff; padding-bottom: 60px; }
.breadcrumb {  font-size: 0.82rem; color: rgba(255,255,255,0.7); margin-bottom: 16px; }
.breadcrumb a { color: #fff; }
.breadcrumb a:hover { color: var(--color-accent); }
.project-tag {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.78rem;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 18px;
}
.project-hero-content h1 { color: #fff; font-size: clamp(2rem, 4vw, 3.2rem); }

.project-meta { padding: 50px 0; border-bottom: 1px solid var(--color-border); background: var(--color-cream); }
.project-meta-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.meta-item strong { display: block; font-size: 0.78rem; color: var(--color-olivewood); margin-bottom: 6px; font-weight: 400; }
.meta-item span { display: block; font-family: var(--font-heading); font-size: 1.1rem; color: var(--color-olivewood); font-weight: 600; }

.project-desc { padding: 70px 0; }
.project-desc-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.project-desc-inner p { font-size: 1.05rem; color: var(--color-text-color); }
.project-desc-en { margin-top: 14px; font-family: var(--font-glacial); font-size: 0.85rem; color: var(--color-text-light); }

.project-gallery { padding: 0 0 100px; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery-grid a {
  display: block;
  position: relative;
  height: 340px;
  border-radius: 6px;
  overflow: hidden;
  cursor: zoom-in;
}
.gallery-grid a.span-2 { grid-column: span 2; }
.gallery-grid img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s ease; }
.gallery-grid a:hover img { transform: scale(1.06); }

.project-cta { padding: 90px 0; 
    background:
    linear-gradient(120deg, rgba(0,0,0,0.55), rgba(0,0,0,0.55)),
    url('../image/vittamat.png') center/cover no-repeat; text-align: center; }

  
.project-cta h2 { margin-bottom: 14px; }
.project-cta p { color: var(--color-text-light); margin-bottom: 30px; }

.project-nav-links { display: flex; justify-content: space-between; gap: 20px; padding: 50px 0; }
.project-nav-links a { font-size: 0.9rem; color: #fff; transition: color var(--transition); }
.project-nav-links a:hover { color: var(--color-accent); }
.project-nav-links .next { text-align: right; }
.project-nav-links strong { display: block; font-family: var(--font-heading); color: #fff; font-size: 1.15rem; margin-top: 4px; font-weight: 600; }

/* ---------- Lightbox (CSS-only, :target) ---------- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 60px;
  background: rgba(15, 12, 10, 0.94);
}
.lightbox:target { display: flex; }
.lightbox-backdrop {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.lightbox img {
  position: relative;
  z-index: 2;
  max-width: 90vw;
  max-height: 85vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 30px 70px rgba(0,0,0,0.5);
}
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 30px;
  z-index: 3;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.8rem;
  line-height: 1;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 50%;
  transition: background var(--transition);
}
.lightbox-close:hover { background: rgba(255,255,255,0.12); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 992px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 50px; }
  .about-media { height: 380px; margin-bottom: 20px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .project-meta-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-wrap { flex-wrap: wrap; row-gap: 14px; }
  #nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
  }
  #nav ul {
    gap: 22px;
    flex-wrap: nowrap;
    padding-bottom: 4px;
  }
  .nav-cta { order: 2; }

  .about, .services, .portfolio, .why, .process, .testimonials, .contact,
  .project-desc, .project-cta { padding: 80px 0; }
  .footer { padding-top: 60px; }

  .hero-content h1 { font-size: clamp(2.2rem, 8vw, 3.2rem); }
  .hero-sub { font-size: 0.95rem; }

  .stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .services-grid, .portfolio-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-badge { left: 0; }
  .about-media { height: 320px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-grid .span-2 { grid-column: span 1; }
  .gallery-grid a { height: 260px; }
  .project-nav-links { flex-direction: column; gap: 24px; }
  .project-nav-links .next { text-align: left; }
  .project-meta-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-form { padding: 30px; }
  .testimonial-card p { font-size: 1.15rem; }
  .project-hero { height: 46vh; min-height: 340px; }

  .call-float span { display: none; }
  .call-float {
    width: 50px; height: 50px;
    padding: 0;
    justify-content: center;
    left: auto;
    right: 30px;
    bottom: 90px;
    transform: none;
  }
  .call-float:hover { transform: translateY(-2px); }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { text-align: center; }
  .lightbox { padding: 20px; }
  .lightbox-close { top: 12px; right: 14px; }

  .section-title { font-size: 1.7rem; }
  .about, .services, .portfolio, .why, .process, .testimonials, .contact,
  .project-desc, .project-cta { padding: 60px 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .service-card { padding: 32px 24px; }
  .why-item { height: 300px; }
  .why-body { padding: 24px 24px 22px; }
  .about-badge { padding: 16px 20px; }
  .footer-grid { padding-bottom: 40px; }
  #backToTop { width: 40px; height: 40px; bottom: 20px; right: 20px; }
  .call-float { width: 44px; height: 44px; bottom: 74px; right: 20px; }
}