/* ===== Karthikieya Interiors ===== */
:root {
  --black: #0A0A0A;
  --gold: #E8A300;
  --yellow: #F4B400;
  --cream: #F7F5F2;
  --beige: #D8B48A;
  --wood: #8A5A2B;
  --gray: #ECECEC;
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
  --shadow-lg: 0 20px 50px rgba(0,0,0,.18);
  --maxw: 1180px;
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Poppins', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--sans); font-weight: 600; font-size: .95rem;
  padding: 14px 26px; border-radius: 50px; border: 2px solid transparent;
  cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  letter-spacing: .2px;
}
.btn--sm { padding: 9px 18px; font-size: .85rem; }
.btn--block { width: 100%; }
.btn--gold { background: linear-gradient(135deg, var(--gold), var(--yellow)); color: var(--black); box-shadow: 0 8px 20px rgba(232,163,0,.35); }
.btn--gold:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(232,163,0,.5); }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.55); }
.btn--ghost:hover { background: var(--white); color: var(--black); border-color: var(--white); transform: translateY(-2px); }

/* ===== Header ===== */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray);
  transition: box-shadow .3s ease;
}
.header.is-scrolled { box-shadow: 0 6px 20px rgba(0,0,0,.07); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; height: 74px; }
.brand__logo { height: 52px; width: auto; object-fit: contain; }
.nav { display: flex; gap: 26px; }
.nav a { font-weight: 500; font-size: .95rem; color: var(--ink); position: relative; padding: 4px 0; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--gold); transition: width .25s ease; }
.nav a:hover::after { width: 100%; }
.header__actions { display: flex; align-items: center; gap: 14px; }
.lang { display: flex; border: 1px solid var(--gray); border-radius: 50px; overflow: hidden; }
.lang__btn { background: transparent; border: none; padding: 7px 12px; font-family: var(--sans); font-weight: 600; font-size: .82rem; cursor: pointer; color: var(--muted); transition: background .2s, color .2s; }
.lang__btn.is-active { background: var(--black); color: var(--gold); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 26px; height: 2px; background: var(--black); transition: .3s; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 88vh; display: flex; align-items: center;
  background: linear-gradient(rgba(10,10,10,.78), rgba(10,10,10,.62)), url('assets/banner.jpeg') center/cover no-repeat;
  color: var(--white);
}
.hero__content { position: relative; z-index: 2; max-width: 760px; padding: 90px 22px; }
.hero__eyebrow { color: var(--gold); font-weight: 600; letter-spacing: 3px; text-transform: uppercase; font-size: .82rem; margin-bottom: 16px; }
.hero__title { font-family: var(--serif); font-weight: 800; font-size: clamp(2.4rem, 6vw, 4.4rem); line-height: 1.08; margin-bottom: 18px; }
.hero__tagline { color: var(--yellow); font-weight: 500; font-size: 1.05rem; margin-bottom: 14px; }
.hero__sub { font-size: 1.08rem; color: rgba(255,255,255,.88); max-width: 620px; margin-bottom: 30px; font-weight: 300; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }
.hero__badges { display: flex; flex-wrap: wrap; gap: 22px; font-size: .9rem; color: rgba(255,255,255,.92); }
.hero__badges span { display: inline-flex; align-items: center; gap: 6px; }

/* ===== Sections ===== */
.section { padding: 92px 0; }
.section--dark { background: var(--black); color: var(--cream); }
.section--cream { background: var(--cream); }
.section__head { text-align: center; max-width: 680px; margin: 0 auto 54px; }
.section__eyebrow { color: var(--gold); font-weight: 600; letter-spacing: 3px; text-transform: uppercase; font-size: .8rem; margin-bottom: 12px; }
.section__title { font-family: var(--serif); font-weight: 700; font-size: clamp(1.9rem, 4vw, 2.8rem); line-height: 1.15; margin-bottom: 14px; }
.section--dark .section__title { color: var(--white); }
.section__lead { color: var(--muted); font-size: 1.05rem; }
.section--dark .section__lead { color: rgba(247,245,242,.75); }

/* ===== Grids ===== */
.grid { display: grid; gap: 24px; }
.grid--services { grid-template-columns: repeat(3, 1fr); }
.grid--why { grid-template-columns: repeat(5, 1fr); }
.grid--portfolio { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; }

/* ===== Service cards ===== */
.card {
  background: var(--white); border: 1px solid var(--gray); border-radius: var(--radius);
  padding: 32px 26px; transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
  position: relative; overflow: hidden;
}
.card::before { content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%; background: linear-gradient(90deg, var(--gold), var(--yellow)); transform: scaleX(0); transform-origin: left; transition: transform .3s ease; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card:hover::before { transform: scaleX(1); }
.card__icon { font-size: 2.2rem; margin-bottom: 16px; }
.card h3 { font-family: var(--serif); font-size: 1.3rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .95rem; }

/* ===== Why items ===== */
.why-item { padding: 26px 20px; border: 1px solid rgba(232,163,0,.25); border-radius: var(--radius); background: rgba(255,255,255,.03); transition: background .25s, transform .25s; }
.why-item:hover { background: rgba(232,163,0,.08); transform: translateY(-5px); }
.why-item__num { font-family: var(--serif); font-size: 1.9rem; color: var(--gold); font-weight: 700; margin-bottom: 10px; }
.why-item h3 { font-size: 1.05rem; margin-bottom: 6px; color: var(--white); }
.why-item p { font-size: .88rem; color: rgba(247,245,242,.7); }

/* ===== Portfolio ===== */
.shot { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); position: relative; }
.shot--wide { grid-column: span 2; grid-row: span 2; }
.shot img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.shot--wide:hover img { transform: scale(1.05); }
.shot__cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 24px;
  display: flex; flex-direction: column; gap: 2px;
  background: linear-gradient(to top, rgba(10,10,10,.85), rgba(10,10,10,.15) 70%, transparent);
  color: #fff;
}
.shot__cap strong { font-family: var(--serif); font-size: 1.4rem; line-height: 1.2; }
.shot__cap span { font-size: .85rem; color: var(--yellow); font-weight: 500; }

/* Interactive category tiles */
.tile {
  border: none; cursor: pointer; text-align: left; border-radius: var(--radius);
  padding: 24px 22px; display: flex; flex-direction: column; gap: 5px; justify-content: flex-end;
  color: var(--ink); position: relative; overflow: hidden; font-family: var(--sans);
  box-shadow: var(--shadow); transition: transform .25s ease, box-shadow .25s ease;
}
.tile::after { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--gold), var(--yellow)); transform: scaleX(0); transform-origin: left; transition: transform .3s ease; }
.tile:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.tile:hover::after { transform: scaleX(1); }
.tile--kitchen { background: linear-gradient(150deg, #FFF6E4, #F3D7A0); }
.tile--wardrobe { background: linear-gradient(150deg, #F7F4EF, #E1C7A0); }
.tile--ceiling { background: linear-gradient(150deg, #F4EEE6, #D8B48A); }
.tile--office { background: linear-gradient(150deg, #FBF6EC, #EAD3A4); }
.tile__icon { font-size: 2rem; margin-bottom: 6px; }
.tile__cat { font-family: var(--serif); font-size: 1.25rem; font-weight: 700; color: var(--black); }
.tile__desc { font-size: .85rem; color: #5c4a32; }
.tile__cta { font-size: .82rem; font-weight: 600; color: var(--wood); opacity: 0; transform: translateY(8px); transition: opacity .25s ease, transform .25s ease; }
.tile:hover .tile__cta { opacity: 1; transform: none; }

.portfolio__note { text-align: center; margin-top: 34px; color: var(--muted); }

/* ===== About ===== */
.about { display: grid; grid-template-columns: 1.4fr 1fr; gap: 50px; align-items: center; }
.about__text p { color: #4a4a4a; margin-bottom: 16px; }
.about__types { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.about__types span { background: var(--white); border: 1px solid var(--beige); color: var(--wood); padding: 8px 16px; border-radius: 50px; font-size: .85rem; font-weight: 500; }
.about__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.stat { background: var(--black); color: var(--cream); border-radius: var(--radius); padding: 28px 20px; text-align: center; }
.stat strong { display: block; font-family: var(--serif); font-size: 2.4rem; color: var(--gold); line-height: 1; margin-bottom: 6px; }
.stat span { font-size: .85rem; color: rgba(247,245,242,.75); }

/* ===== Quote ===== */
.quote { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: center; }
.quote__intro .section__title, .quote__intro .section__eyebrow { text-align: left; }
.quote__list { list-style: none; margin-top: 22px; display: grid; gap: 10px; }
.quote__list li { color: var(--yellow); font-size: .98rem; }
.quote__form { background: var(--white); border-radius: 18px; padding: 34px; box-shadow: var(--shadow-lg); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .88rem; font-weight: 500; margin-bottom: 7px; color: var(--ink); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--gray); border-radius: 10px;
  font-family: var(--sans); font-size: .95rem; color: var(--ink); background: #fafafa; transition: border-color .2s, background .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold); background: var(--white); }
.field textarea { resize: vertical; }
.form__hint { text-align: center; font-size: .82rem; color: var(--muted); margin-top: 12px; }

/* ===== Map band ===== */
.map-band { line-height: 0; background: var(--black); }
.map-band iframe { width: 100%; height: 400px; border: 0; display: block; filter: grayscale(15%) contrast(1.05); }

/* ===== Footer ===== */
.footer { background: var(--black); color: rgba(247,245,242,.78); padding-top: 64px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1fr; gap: 36px; padding-bottom: 48px; }
.footer__logo { height: 56px; background: var(--white); padding: 8px 12px; border-radius: 10px; margin-bottom: 16px; }
.footer__brand p { font-size: .9rem; color: var(--yellow); }
.footer__col h4 { color: var(--white); font-family: var(--serif); font-size: 1.15rem; margin-bottom: 16px; }
.footer__col ul { list-style: none; display: grid; gap: 12px; }
.footer__col a:hover { color: var(--gold); }
.footer__col p { font-size: .9rem; margin-bottom: 8px; }
.footer__map { color: var(--gold); font-weight: 500; font-size: .9rem; }
.footer__bar { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; }
.footer__bar-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: .82rem; color: rgba(247,245,242,.55); }

/* ===== Floating WhatsApp ===== */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,.5);
  transition: transform .2s ease; animation: wa-pulse 2.4s infinite;
}
.wa-float:hover { transform: scale(1.1); }
@keyframes wa-pulse { 0% { box-shadow: 0 0 0 0 rgba(37,211,102,.5); } 70% { box-shadow: 0 0 0 16px rgba(37,211,102,0); } 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); } }

/* ===== Toast ===== */
.toast {
  position: fixed; left: 50%; bottom: 30px;
  transform: translateX(-50%) translateY(120px);
  background: var(--black); color: var(--cream); padding: 14px 24px; border-radius: 50px;
  box-shadow: var(--shadow-lg); font-size: .9rem; z-index: 120; opacity: 0;
  transition: transform .35s ease, opacity .35s ease; border: 1px solid rgba(232,163,0,.4);
}
.toast.is-show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ===== Reveal animation ===== */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .grid--services { grid-template-columns: repeat(2, 1fr); }
  .grid--why { grid-template-columns: repeat(2, 1fr); }
  .about, .quote { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav {
    position: fixed; top: 74px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--white);
    border-bottom: 1px solid var(--gray); box-shadow: var(--shadow);
    max-height: 0; overflow: hidden; transition: max-height .35s ease;
  }
  .nav.is-open { max-height: 340px; }
  .nav a { padding: 15px 22px; border-bottom: 1px solid var(--gray); }
  .nav a::after { display: none; }
  .nav-toggle { display: flex; }
  .nav .btn { margin: 12px 22px; }
  .header__actions .btn--sm { display: none; }
  .grid--portfolio { grid-template-columns: 1fr 1fr; grid-auto-rows: 160px; }
  .shot--wide { grid-column: span 2; grid-row: span 1; }
}
@media (max-width: 480px) {
  .grid--services, .grid--why, .footer__grid, .about__stats { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero { min-height: 92vh; }
  .quote__form { padding: 24px; }
}