/* ============================================================
   INSTADESIGNLAB — Global Stylesheet
   Luxury Interior Design | Delhi NCR
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Montserrat:wght@300;400;500;600&family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300;1,400&display=swap');

/* ── Variables ── */
:root {
  --dark:     #0c0a08;
  --dark-2:   #141210;
  --dark-3:   #1e1a16;
  --dark-4:   #2a2420;
  --gold:     #c9a96e;
  --gold-lt:  #e2c99a;
  --gold-dk:  #8a6c3e;
  --cream:    #f0ebe2;
  --cream-dk: #c4b89a;
  --white:    #ffffff;
  --text:     #d4c9b8;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Montserrat', sans-serif;
  --font-light: 'Cormorant Garamond', Georgia, serif;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow: 0 20px 60px rgba(0,0,0,0.5);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--dark);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark-2); }
::-webkit-scrollbar-thumb { background: var(--gold-dk); border-radius: 3px; }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--cream);
}
h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.1rem; font-weight: 500; }

p { font-size: 0.95rem; letter-spacing: 0.02em; }

.overline {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ── Utility ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 7rem 0; }
.section--dark { background: var(--dark); }
.section--dark2 { background: var(--dark-2); }
.section--dark3 { background: var(--dark-3); }
.gold { color: var(--gold); }
.cream { color: var(--cream); }
.text-center { text-align: center; }

.section-header { margin-bottom: 4rem; }
.section-header .overline { margin-bottom: 1rem; }
.section-header h2 { margin-bottom: 1.5rem; }
.section-header p { max-width: 580px; }
.section-header.centered { text-align: center; }
.section-header.centered p { margin: 0 auto; }

.divider {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 1.5rem 0;
}
.divider.center { margin: 1.5rem auto; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 2.2rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: var(--transition);
}
.btn-gold {
  background: var(--gold);
  color: var(--dark);
}
.btn-gold:hover {
  background: var(--gold-lt);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201,169,110,0.3);
}
.btn-outline {
  border: 1px solid var(--gold);
  color: var(--gold);
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--dark);
  transform: translateY(-2px);
}
.btn-arrow::after { content: '→'; font-size: 1rem; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(12, 10, 8, 0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201,169,110,0.15);
  padding: 0.8rem 0;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}
.nav__logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.nav__logo-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--cream);
  letter-spacing: 0.05em;
}
.nav__logo-tag {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 2px;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav__link {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream-dk);
  transition: color 0.3s;
  position: relative;
  padding-bottom: 3px;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}
.nav__link:hover,
.nav__link.active { color: var(--gold); }
.nav__link:hover::after,
.nav__link.active::after { width: 100%; }

.nav__cta {
  padding: 0.6rem 1.5rem;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  transition: var(--transition);
}
.nav__cta:hover {
  background: var(--gold);
  color: var(--dark);
}
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--cream);
  transition: var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1600210492486-724fe5c67fb0?w=1920&q=80');
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(12,10,8,0.85) 0%,
    rgba(12,10,8,0.5) 50%,
    rgba(12,10,8,0.3) 100%
  );
}
.hero.loaded .hero__bg { transform: scale(1); }
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  padding-top: 80px;
}
.hero__overline {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.hero__overline::before {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--gold);
}
.hero__title {
  color: var(--white);
  max-width: 700px;
  margin-bottom: 1.5rem;
}
.hero__title em {
  font-style: italic;
  color: var(--gold);
}
.hero__subtitle {
  max-width: 500px;
  font-size: 0.95rem;
  color: var(--cream-dk);
  margin-bottom: 3rem;
  line-height: 1.8;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--gold);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}
.hero__scroll::after {
  content: '';
  width: 1px;
  height: 40px;
  background: var(--gold);
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* Marquee */
.marquee-bar {
  background: var(--gold);
  padding: 0.7rem 0;
  overflow: hidden;
}
.marquee-bar__track {
  display: flex;
  gap: 3rem;
  animation: marquee 25s linear infinite;
  white-space: nowrap;
}
.marquee-bar__item {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.marquee-bar__item::after {
  content: '✦';
  font-size: 0.5rem;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   SIGNATURE SECTION
   ============================================================ */
.signature__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: rgba(201,169,110,0.1);
}
.signature__card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
  cursor: pointer;
}
.signature__card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.signature__card:hover img { transform: scale(1.07); }
.signature__card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12,10,8,0.85) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  transition: var(--transition);
}
.signature__card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}
.signature__card p {
  font-size: 0.8rem;
  color: var(--cream-dk);
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
}
.signature__card:hover p {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   PHILOSOPHY / ABOUT PREVIEW
   ============================================================ */
.philosophy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.philosophy__images {
  position: relative;
  height: 580px;
}
.philosophy__img-main {
  position: absolute;
  top: 0; left: 0;
  width: 72%;
  height: 75%;
  object-fit: cover;
}
.philosophy__img-accent {
  position: absolute;
  bottom: 0; right: 0;
  width: 55%;
  height: 55%;
  object-fit: cover;
  border: 6px solid var(--dark-2);
}
.philosophy__badge {
  position: absolute;
  top: 55%;
  left: 5%;
  background: var(--gold);
  color: var(--dark);
  padding: 1.5rem 1.8rem;
  text-align: center;
}
.philosophy__badge-num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  display: block;
}
.philosophy__badge-text {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.philosophy__text .divider { margin: 1.5rem 0; }
.philosophy__text p { margin-bottom: 1.2rem; }
.philosophy__text p:last-of-type { margin-bottom: 2rem; }

/* ============================================================
   SERVICES
   ============================================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(201,169,110,0.1);
  margin-top: 3rem;
}
.service-card {
  background: var(--dark-2);
  padding: 2.5rem 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width 0.4s ease;
}
.service-card:hover { background: var(--dark-3); }
.service-card:hover::before { width: 100%; }
.service-card__num {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  color: rgba(201,169,110,0.12);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.service-card__icon {
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin-bottom: 1.5rem;
}
.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.8rem;
  color: var(--cream);
}
.service-card p { font-size: 0.85rem; color: var(--text); }
.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  transition: gap 0.3s;
}
.service-card__link:hover { gap: 0.8rem; }

/* ============================================================
   STATS
   ============================================================ */
.stats {
  border-top: 1px solid rgba(201,169,110,0.15);
  border-bottom: 1px solid rgba(201,169,110,0.15);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide-x: 1px solid rgba(201,169,110,0.15);
}
.stat {
  padding: 3.5rem 2rem;
  text-align: center;
  border-right: 1px solid rgba(201,169,110,0.15);
}
.stat:last-child { border-right: none; }
.stat__number {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--gold);
  line-height: 1;
  display: block;
}
.stat__label {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream-dk);
  margin-top: 0.5rem;
}

/* ============================================================
   PORTFOLIO PREVIEW
   ============================================================ */
.portfolio-preview__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto;
  gap: 1rem;
  margin-top: 3rem;
}
.portfolio-preview__item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.portfolio-preview__item:nth-child(1) { grid-column: span 8; grid-row: span 2; aspect-ratio: unset; height: 520px; }
.portfolio-preview__item:nth-child(2) { grid-column: span 4; height: 252px; }
.portfolio-preview__item:nth-child(3) { grid-column: span 4; height: 252px; }
.portfolio-preview__item:nth-child(4) { grid-column: span 4; height: 252px; }
.portfolio-preview__item:nth-child(5) { grid-column: span 4; height: 252px; }

.portfolio-preview__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.portfolio-preview__item:hover img { transform: scale(1.08); }
.portfolio-preview__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12,10,8,0.8) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}
.portfolio-preview__item:hover .portfolio-preview__overlay { opacity: 1; }
.portfolio-preview__caption h4 { color: var(--cream); margin-bottom: 0.2rem; }
.portfolio-preview__caption span { font-size: 0.75rem; color: var(--gold); letter-spacing: 0.1em; }

.portfolio-preview__cta {
  text-align: center;
  margin-top: 3rem;
}

/* ============================================================
   PROCESS
   ============================================================ */
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: 3rem;
}
.process__steps::before {
  content: '';
  position: absolute;
  top: 2rem;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: rgba(201,169,110,0.3);
}
.process-step {
  text-align: center;
  padding: 0 1.5rem;
  position: relative;
}
.process-step__num {
  width: 4rem;
  height: 4rem;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--gold);
  background: var(--dark-2);
  position: relative;
  z-index: 1;
}
.process-step h3 { font-size: 1rem; margin-bottom: 0.8rem; }
.process-step p { font-size: 0.82rem; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials__slider {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.testimonial-card {
  background: var(--dark-3);
  padding: 2.5rem;
  border-top: 2px solid var(--gold);
  position: relative;
}
.testimonial-card__quote {
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--gold);
  opacity: 0.3;
  line-height: 0.5;
  margin-bottom: 1rem;
}
.testimonial-card p {
  font-size: 0.88rem;
  color: var(--text);
  font-style: italic;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.testimonial-card__author-img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
}
.testimonial-card__author-name {
  font-family: var(--font-serif);
  color: var(--cream);
  font-size: 0.95rem;
}
.testimonial-card__author-role {
  font-size: 0.72rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  position: relative;
  padding: 8rem 0;
  overflow: hidden;
}
.cta-banner__bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1618221118493-9cfa1a1c00da?w=1920&q=80');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.cta-banner__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(12,10,8,0.8);
}
.cta-banner__content {
  position: relative;
  z-index: 2;
  text-align: center;
}
.cta-banner__content h2 { margin-bottom: 1rem; }
.cta-banner__content p { max-width: 560px; margin: 0 auto 2.5rem; }
.cta-banner__actions { display: flex; gap: 1rem; justify-content: center; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--dark-2);
  border-top: 1px solid rgba(201,169,110,0.15);
}
.footer__top {
  padding: 5rem 0 3rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
}
.footer__brand { }
.footer__logo-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--cream);
  display: block;
  margin-bottom: 0.3rem;
}
.footer__logo-tag {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
}
.footer__brand p {
  margin-top: 1.2rem;
  font-size: 0.85rem;
  max-width: 270px;
  line-height: 1.8;
}
.footer__social {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.5rem;
}
.footer__social a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(201,169,110,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--gold);
  transition: var(--transition);
}
.footer__social a:hover {
  background: var(--gold);
  color: var(--dark);
  border-color: var(--gold);
}
.footer__col h4 {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.footer__col ul li { margin-bottom: 0.6rem; }
.footer__col ul li a {
  font-size: 0.85rem;
  color: var(--text);
  transition: color 0.3s;
}
.footer__col ul li a:hover { color: var(--cream); }
.footer__contact-item {
  display: flex;
  gap: 0.8rem;
  font-size: 0.85rem;
  margin-bottom: 0.8rem;
  align-items: flex-start;
}
.footer__contact-icon { color: var(--gold); margin-top: 2px; flex-shrink: 0; }
.footer__bottom {
  border-top: 1px solid rgba(201,169,110,0.1);
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text);
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  position: relative;
  height: 55vh;
  min-height: 400px;
  display: flex;
  align-items: flex-end;
  padding-bottom: 4rem;
  overflow: hidden;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.page-hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12,10,8,0.9) 0%, rgba(12,10,8,0.4) 100%);
}
.page-hero__content {
  position: relative;
  z-index: 2;
}
.page-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cream-dk);
  margin-bottom: 1rem;
}
.page-hero__breadcrumb a { color: var(--gold); }
.page-hero__breadcrumb span { color: var(--text); }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-story__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-story__img {
  position: relative;
}
.about-story__img-main {
  width: 100%;
  height: 560px;
  object-fit: cover;
}
.about-story__img-float {
  position: absolute;
  bottom: -2rem;
  right: -2rem;
  width: 55%;
  height: 280px;
  object-fit: cover;
  border: 6px solid var(--dark-2);
}
.about-values__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}
.value-card {
  padding: 2.5rem;
  background: var(--dark-3);
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}
.value-card:hover { border-bottom-color: var(--gold); }
.value-card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.value-card h3 { font-size: 1.1rem; margin-bottom: 0.8rem; }
.value-card p { font-size: 0.85rem; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.team-card { }
.team-card__img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  margin-bottom: 1rem;
  filter: grayscale(30%);
  transition: filter 0.4s;
}
.team-card:hover .team-card__img { filter: grayscale(0); }
.team-card h4 { color: var(--cream); margin-bottom: 0.2rem; }
.team-card span { font-size: 0.75rem; color: var(--gold); letter-spacing: 0.1em; }

/* ============================================================
   PORTFOLIO PAGE
   ============================================================ */
.portfolio-filter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.filter-btn {
  padding: 0.5rem 1.2rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid rgba(201,169,110,0.3);
  color: var(--text);
  transition: var(--transition);
  background: transparent;
  font-family: var(--font-sans);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--gold);
  color: var(--dark);
  border-color: var(--gold);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.portfolio-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.portfolio-item.large {
  grid-column: span 2;
  aspect-ratio: unset;
  height: 420px;
}
.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.portfolio-item:hover img { transform: scale(1.07); }
.portfolio-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(12,10,8,0.7);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: var(--transition);
  text-align: center;
  padding: 2rem;
}
.portfolio-item:hover .portfolio-item__overlay { opacity: 1; }
.portfolio-item__overlay h3 { margin-bottom: 0.4rem; }
.portfolio-item__overlay span { font-size: 0.75rem; color: var(--gold); letter-spacing: 0.1em; }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
}
.contact-info h3 { margin-bottom: 1rem; }
.contact-info p { margin-bottom: 2rem; }
.contact-detail {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}
.contact-detail__icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  flex-shrink: 0;
}
.contact-detail__label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 0.2rem;
}
.contact-detail__value { font-size: 0.9rem; color: var(--cream); }

.contact-form { }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.form-group label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--dark-3);
  border: 1px solid rgba(201,169,110,0.2);
  color: var(--cream);
  padding: 0.9rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 300;
  outline: none;
  transition: border-color 0.3s;
  -webkit-appearance: none;
}
.form-group select option { background: var(--dark-3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(212,201,184,0.4); }
.form-group textarea { min-height: 130px; resize: vertical; }

/* ============================================================
   ANIMATIONS / REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .signature__grid { grid-template-columns: repeat(2, 1fr); }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .process__steps { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .process__steps::before { display: none; }
  .testimonials__slider { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .about-values__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .philosophy, .about-story__grid, .contact-grid { grid-template-columns: 1fr; }
  .philosophy__images { height: 400px; }
  .portfolio-preview__grid {
    grid-template-columns: 1fr 1fr;
  }
  .portfolio-preview__item:nth-child(1) { grid-column: span 2; height: 280px; }
  .portfolio-preview__item:nth-child(2),
  .portfolio-preview__item:nth-child(3),
  .portfolio-preview__item:nth-child(4),
  .portfolio-preview__item:nth-child(5) { grid-column: span 1; height: 200px; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .portfolio-item.large { grid-column: span 2; height: 280px; }
  .signature__grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .about-values__grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .hero__actions { flex-direction: column; }
  .cta-banner__actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-item.large { grid-column: span 1; height: 250px; }
  .process__steps { grid-template-columns: 1fr; }
}