/* ===== SILA International – stylesheet ===== */
:root{
  --navy:#1a2230;
  --navy-2:#2a3445;
  --gold:#b8873b;
  --gold-2:#d4af6a;
  --gold-soft:#f6efe2;
  --ink:#1a2230;
  --muted:#667085;
  --line:#ece7de;
  --bg:#ffffff;
  --tint:#faf8f4;
  --radius:18px;
  --shadow:0 10px 40px rgba(26,34,48,.08);
  --shadow-lg:0 20px 60px rgba(26,34,48,.14);
  --head:'Playfair Display',Georgia,serif;
  --body:'Jost',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --header-h:84px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}
body{font-family:var(--body);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{width:min(1200px,100% - 40px);margin-inline:auto}
.ico{width:1em;height:1em}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.95rem 1.9rem;border-radius:999px;background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#fff;font-weight:500;letter-spacing:.04em;border:0;cursor:pointer;font:inherit;font-weight:500;box-shadow:0 8px 24px rgba(184,135,59,.3);transition:transform .3s,box-shadow .3s,background .3s}
.btn:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(184,135,59,.4)}
.btn--small{padding:.6rem 1.35rem;font-size:.95rem}
.btn--ghost{background:transparent;color:var(--navy);border:1.5px solid var(--navy);box-shadow:none}
.btn--ghost:hover{background:var(--navy);color:#fff;box-shadow:none}
.btn--light{background:#fff;color:var(--navy);box-shadow:0 8px 24px rgba(0,0,0,.18)}

/* ---------- Header ---------- */
.header{position:fixed;inset:0 0 auto 0;height:var(--header-h);background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);z-index:100;border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s,height .3s}
.header.is-scrolled{box-shadow:0 6px 30px rgba(26,34,48,.08);border-color:var(--line)}
.header__inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand img{height:68px;width:auto;transition:height .3s}
.header.is-scrolled .brand img{height:54px}
.nav{display:flex;align-items:center;gap:2rem}
.nav a:not(.btn){font-weight:500;font-size:.98rem;letter-spacing:.03em;position:relative;padding:.3rem 0;color:var(--navy-2)}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);transition:width .3s}
.nav a:not(.btn):hover::after,.nav a.is-active::after{width:100%}
.burger{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;position:relative}
.burger span{position:absolute;left:10px;right:10px;height:2px;background:var(--navy);border-radius:2px;transition:.3s}
.burger span:nth-child(1){top:14px}.burger span:nth-child(2){top:21px}.burger span:nth-child(3){top:28px}
.burger[aria-expanded="true"] span:nth-child(1){top:21px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){top:21px;transform:rotate(-45deg)}

/* ---------- Hero slider ---------- */
.hero{padding-top:var(--header-h)}
.slider{position:relative;height:min(78vh,720px);min-height:520px;overflow:hidden;background:var(--tint)}
.slide{position:absolute;inset:0;display:flex;align-items:center;opacity:0;visibility:hidden;transition:opacity 1s ease,visibility 1s}
.slide.is-active{opacity:1;visibility:visible;z-index:2}
.slide__bg{position:absolute;inset:0;background:
  radial-gradient(60% 80% at 85% 20%,rgba(212,175,106,.28),transparent 60%),
  radial-gradient(50% 70% at 5% 100%,rgba(26,34,48,.07),transparent 60%),
  linear-gradient(180deg,#fff,var(--tint));transform:scale(1.08);transition:transform 7s ease-out}
.slide--2 .slide__bg{background:
  radial-gradient(55% 80% at 10% 15%,rgba(212,175,106,.26),transparent 60%),
  radial-gradient(50% 70% at 95% 100%,rgba(26,34,48,.08),transparent 60%),
  linear-gradient(180deg,#fff,var(--tint))}
.slide--3 .slide__bg{background:
  radial-gradient(60% 80% at 70% 0%,rgba(212,175,106,.3),transparent 60%),
  radial-gradient(40% 60% at 0% 80%,rgba(26,34,48,.07),transparent 60%),
  linear-gradient(180deg,#fff,var(--tint))}
.slide__bg.has-img{background:linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.82) 45%,rgba(255,255,255,.1) 100%),var(--bg) center/cover}
.slide.is-active .slide__bg{transform:scale(1)}
.slide__art{position:absolute;right:6%;top:50%;translate:0 -50%;width:min(38vw,440px);aspect-ratio:1;color:var(--gold);opacity:0;display:grid;place-items:center}
.slide__art .ico{width:100%;height:100%;stroke-width:.35;filter:drop-shadow(0 20px 40px rgba(184,135,59,.25))}
.slide__art::before,.slide__art::after{content:"";position:absolute;border-radius:50%;border:1px dashed rgba(184,135,59,.45);inset:-8%}
.slide__art::after{inset:-22%;border-style:solid;border-color:rgba(184,135,59,.18)}
.slide.is-active .slide__art{opacity:1;transition:opacity 1.2s .4s}
.slide.is-active .slide__art::before{animation:spin 40s linear infinite}
.slide.is-active .slide__art .ico{animation:float 6s ease-in-out infinite}
.slide__content{position:relative;z-index:2;max-width:1200px}
.slide__content>*{max-width:620px;opacity:0;transform:translateY(32px)}
.slide.is-active .slide__content>*{animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards}
.slide.is-active .slide__content>:nth-child(1){animation-delay:.25s}
.slide.is-active .slide__content>:nth-child(2){animation-delay:.4s}
.slide.is-active .slide__content>:nth-child(3){animation-delay:.55s}
.slide.is-active .slide__content>:nth-child(4){animation-delay:.7s}
.eyebrow{display:inline-block;font-size:.8rem;text-transform:uppercase;letter-spacing:.28em;color:var(--gold);font-weight:500;margin-bottom:1rem}
.slide h1{font-family:var(--head);font-size:clamp(2.3rem,5.4vw,4.4rem);line-height:1.1;color:var(--navy);margin-bottom:1.1rem;font-weight:600}
.slide h1 em{font-style:italic;color:var(--gold);font-weight:500}
.slide p{font-size:1.15rem;color:var(--muted);margin-bottom:2rem}
.slide__actions{display:flex;gap:14px;flex-wrap:wrap}
.slider__arrow{position:absolute;top:50%;translate:0 -50%;z-index:5;width:52px;height:52px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.9);color:var(--navy);display:grid;place-items:center;cursor:pointer;font-size:1.3rem;box-shadow:var(--shadow);transition:.3s}
.slider__arrow:hover{background:var(--gold);color:#fff;border-color:var(--gold)}
.slider__arrow--prev{left:20px}.slider__arrow--prev .ico{transform:scaleX(-1)}
.slider__arrow--next{right:20px}
.slider__dots{position:absolute;bottom:26px;left:50%;translate:-50% 0;z-index:5;display:flex;gap:10px}
.slider__dots button{width:11px;height:11px;border-radius:99px;border:0;background:rgba(26,34,48,.2);cursor:pointer;transition:.4s;padding:0}
.slider__dots button.is-active{width:38px;background:var(--gold)}

/* ---------- Stats ---------- */
.stats{position:relative;z-index:6;margin-top:-56px}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);border:1px solid var(--line);overflow:hidden}
.stat{padding:2rem 1rem;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border:0}
.stat strong{display:block;font-family:var(--head);font-size:clamp(2rem,4vw,2.8rem);color:var(--gold);line-height:1.1}
.stat>span{color:var(--muted);font-size:.95rem;letter-spacing:.04em}

/* ---------- Sections ---------- */
.section{padding:clamp(70px,10vw,120px) 0}
.section--tint{background:var(--tint)}
.section__head{text-align:center;max-width:680px;margin:0 auto 3.5rem}
h2{font-family:var(--head);font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.2;color:var(--navy);margin-bottom:1rem;font-weight:600}
.section__head p{color:var(--muted)}

/* About */
.about{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(30px,6vw,80px);align-items:center}
.about__visual{position:relative;padding:0 0 84px 30px}
.about__visual::before{content:"";position:absolute;inset:30px 30px 0 0;border:2px solid var(--gold-2);border-radius:var(--radius);opacity:.5;translate:-18px 18px;z-index:0}
.about__card{position:relative;z-index:1;background:#fff;border-radius:var(--radius);padding:2.2rem;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.about__card img{margin:auto}
.about__badge{position:absolute;right:18px;bottom:0;z-index:2;background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;padding:1.1rem 1.6rem;border-radius:14px;box-shadow:var(--shadow-lg);animation:float 5s ease-in-out infinite}
.about__badge strong{display:block;font-family:var(--head);font-size:1.9rem;color:var(--gold-2);line-height:1}
.about__badge span{font-size:.85rem;opacity:.85}
.about__text p{color:var(--muted);margin-bottom:1rem}
.why{margin-top:1.8rem;display:grid;gap:1rem}
.why li{display:flex;gap:14px;align-items:flex-start}
.why .tick{flex:none;width:34px;height:34px;border-radius:50%;background:var(--gold-soft);color:var(--gold);display:grid;place-items:center;font-size:1.1rem}
.why strong{display:block;color:var(--navy)}
.why p{margin:0;font-size:.95rem}

/* Service cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:#fff;padding:2.2rem 2rem;border-radius:var(--radius);border:1px solid var(--line);position:relative;overflow:hidden;transition:transform .4s,box-shadow .4s,border-color .4s}
.card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--gold),var(--gold-2));transition:width .5s}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.card:hover::before{width:100%}
.card__icon{display:grid;place-items:center;width:62px;height:62px;border-radius:16px;background:var(--gold-soft);color:var(--gold);font-size:1.8rem;margin-bottom:1.3rem;transition:.4s}
.card:hover .card__icon{background:var(--gold);color:#fff;transform:rotate(-6deg) scale(1.06)}
.card h3{font-family:var(--head);font-size:1.3rem;margin-bottom:.5rem;color:var(--navy)}
.card p{color:var(--muted);font-size:.97rem}

/* Marquee */
.marquee{background:var(--navy);color:#fff;overflow:hidden;padding:1.1rem 0}
.marquee__track{display:flex;align-items:center;gap:2rem;width:max-content;animation:marquee 38s linear infinite;font-family:var(--head);font-size:1.25rem;letter-spacing:.04em;white-space:nowrap}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee i{width:8px;height:8px;background:var(--gold-2);rotate:45deg;display:block}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:210px;gap:18px}
.gallery__item{position:relative;border-radius:var(--radius);overflow:hidden;cursor:pointer;background:var(--tint);border:1px solid var(--line)}
.gallery__item.tall{grid-row:span 2}
.gallery__item.wide{grid-column:span 2}
.gallery__item img,.gallery__ph{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.gallery__ph{display:grid;place-items:center;color:var(--gold);font-size:3.5rem;background:linear-gradient(145deg,#fff,var(--gold-soft))}
.gallery__ph .ico{width:1.2em;height:1.2em;stroke-width:1.1}
.gallery__item:nth-child(even) .gallery__ph{background:linear-gradient(145deg,var(--gold-soft),#fff)}
.gallery__item:hover img,.gallery__item:hover .gallery__ph,.gallery__item:focus-visible img,.gallery__item:focus-visible .gallery__ph{transform:scale(1.1)}
.gallery__item figcaption{position:absolute;inset:auto 0 0 0;padding:2.2rem 1.2rem 1rem;color:#fff;font-weight:500;background:linear-gradient(transparent,rgba(26,34,48,.85));transform:translateY(100%);transition:transform .4s}
.gallery__item:hover figcaption,.gallery__item:focus-visible figcaption{transform:none}
.lightbox{position:fixed;inset:0;background:rgba(15,20,30,.92);z-index:300;display:grid;place-items:center;opacity:0;visibility:hidden;transition:.35s;padding:20px}
.lightbox.is-open{opacity:1;visibility:visible}
.lightbox__body{max-width:min(1000px,100%);max-height:86vh;text-align:center;color:#fff}
.lightbox__body img{max-height:80vh;border-radius:12px;margin:auto}
.lightbox__body .ph{width:min(520px,80vw);aspect-ratio:4/3;border-radius:14px;background:linear-gradient(145deg,#fff,var(--gold-soft));color:var(--gold);display:grid;place-items:center;font-size:6rem;margin:auto}
.lightbox__body p{margin-top:1rem;font-family:var(--head);font-size:1.3rem}
.lightbox__close{position:absolute;top:18px;right:24px;font-size:2.6rem;line-height:1;color:#fff;background:none;border:0;cursor:pointer}

/* Testimonials */
.testi{max-width:860px;margin:auto}
.testi__viewport{overflow:hidden;border-radius:var(--radius)}
.testi__track{display:flex;transition:transform .7s cubic-bezier(.2,.7,.2,1)}
.testi__card{flex:0 0 100%;background:#fff;padding:clamp(2rem,5vw,3.6rem);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);text-align:center;position:relative}
.testi__quote{display:inline-grid;place-items:center;width:58px;height:58px;border-radius:50%;background:var(--gold-soft);color:var(--gold);font-size:1.6rem;margin-bottom:1.3rem}
.testi blockquote{font-family:var(--head);font-size:clamp(1.1rem,2.4vw,1.5rem);line-height:1.6;color:var(--navy);font-style:italic;margin-bottom:1.8rem}
.testi figcaption{display:inline-flex;align-items:center;gap:14px;text-align:left}
.avatar{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--navy-2));color:var(--gold-2);display:grid;place-items:center;font-family:var(--head);font-size:1.3rem}
.testi figcaption strong{display:block;color:var(--navy)}
.testi figcaption small{color:var(--muted);font-size:.88rem}
.testi__dots{display:flex;justify-content:center;gap:10px;margin-top:1.6rem}
.testi__dots button{width:11px;height:11px;border-radius:99px;border:0;background:rgba(26,34,48,.18);cursor:pointer;padding:0;transition:.4s}
.testi__dots button.is-active{width:34px;background:var(--gold)}

/* CTA */
.cta{background:linear-gradient(120deg,var(--navy),var(--navy-2));color:#fff;position:relative;overflow:hidden}
.cta::before,.cta::after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(212,175,106,.3)}
.cta::before{width:420px;height:420px;right:-120px;top:-180px}
.cta::after{width:280px;height:280px;left:-90px;bottom:-150px}
.cta__inner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:clamp(40px,6vw,70px) 0;position:relative;z-index:1}
.cta h2{color:#fff;margin-bottom:.4rem}
.cta p{color:rgba(255,255,255,.75)}

/* Contact */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,6vw,80px);align-items:start}
.contact__info p{color:var(--muted);margin-bottom:1.6rem}
.contact__info li{display:flex;align-items:center;gap:14px;margin-bottom:1rem}
.contact__info .ico{flex:none;width:46px;height:46px;padding:12px;border-radius:50%;background:var(--gold-soft);color:var(--gold)}
.contact__info a:hover{color:var(--gold)}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.5rem,4vw,2.5rem);box-shadow:var(--shadow-lg);display:grid;gap:1.1rem}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.form label{display:grid;gap:.4rem;font-size:.9rem;font-weight:500;color:var(--navy-2)}
.form input,.form select,.form textarea{font:inherit;font-weight:400;padding:.85rem 1rem;border:1.5px solid var(--line);border-radius:12px;background:var(--tint);color:var(--ink);width:100%;transition:border-color .3s,box-shadow .3s,background .3s}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--gold);background:#fff;box-shadow:0 0 0 4px rgba(184,135,59,.14)}
.form textarea{resize:vertical}
.alert{padding:.9rem 1.1rem;border-radius:12px;font-size:.95rem}
.alert--success{background:#eef8f0;color:#1e6b3a;border:1px solid #cfe8d5}
.alert--error{background:#fdf0ef;color:#a3281f;border:1px solid #f5d0cc}

/* Footer */
.footer{background:var(--navy);color:rgba(255,255,255,.75);padding-top:70px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px;padding-bottom:50px}
.footer__logo{height:70px;width:auto;background:#fff;border-radius:12px;padding:6px 10px;margin-bottom:1rem}
.footer h4{font-family:var(--head);color:#fff;margin-bottom:1rem;font-size:1.15rem}
.footer a{display:block;margin-bottom:.5rem;transition:color .3s,padding .3s}
.footer a:hover{color:var(--gold-2);padding-left:4px}
.footer p{margin-bottom:.5rem}
.footer p a{display:inline}
.footer__bar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:1.4rem 0;border-top:1px solid rgba(255,255,255,.12);font-size:.9rem}

/* Floating buttons */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:90;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 28px rgba(37,211,102,.45);animation:pulse 2.4s infinite}
.wa-float svg{width:30px;height:30px}
.to-top{position:fixed;right:26px;bottom:92px;z-index:90;width:46px;height:46px;border-radius:50%;border:0;background:var(--navy);color:#fff;display:grid;place-items:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s;font-size:1.2rem}
.to-top .ico{rotate:-90deg}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}

/* ---------- Scroll reveal ---------- */
.js .reveal{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0ms)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- Keyframes ---------- */
@keyframes rise{to{opacity:1;transform:none}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes marquee{to{transform:translateX(-50%)}}
@keyframes 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)}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .nav{gap:1.3rem}
}
@media (max-width:860px){
  :root{--header-h:72px}
  .brand img{height:54px}
  .burger{display:block}
  .nav{position:fixed;inset:var(--header-h) 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:10px 20px 24px;border-bottom:1px solid var(--line);box-shadow:0 20px 30px rgba(26,34,48,.1);transform:translateY(-12px);opacity:0;visibility:hidden;transition:.3s}
  .nav.is-open{transform:none;opacity:1;visibility:visible}
  .nav a:not(.btn){padding:1rem .2rem;border-bottom:1px solid var(--line)}
  .nav a:not(.btn)::after{display:none}
  .nav .btn{margin-top:1rem}
  .slider{height:auto;min-height:620px}
  .slider__dots{bottom:62px}
  .slide{align-items:flex-start;padding:60px 0 120px}
  .slide__art{width:210px;right:-40px;top:auto;bottom:70px;translate:0;opacity:.35!important}
  .slider__arrow{display:none}
  .stats{margin-top:-30px}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .about,.contact{grid-template-columns:1fr}
  .cta__inner{flex-direction:column;align-items:flex-start}
  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__grid>div:first-child{grid-column:1/-1}
}
@media (max-width:620px){
  body{font-size:16px}
  .cards{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;gap:12px}
  .gallery__item.wide{grid-column:span 2}
  .gallery__item figcaption{transform:none;padding:1.4rem .8rem .6rem;font-size:.85rem}
  .form__row{grid-template-columns:1fr}
  .slide__actions .btn{flex:1 1 100%}
  .footer__grid{grid-template-columns:1fr}
  .footer__bar{flex-direction:column}
  .wa-float{width:52px;height:52px;right:14px;bottom:14px}
  .to-top{right:20px;bottom:78px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}