/* RYTINTECH — style.css */
:root{--ink:#111;--paper:#F2F1ED;--grey:#E3E0D8;--white:#fff;--accent:#8585FF;
--sans:'Manrope','Inter',system-ui,sans-serif;--serif:Georgia,'Times New Roman',serif;--pad:clamp(1.25rem,5vw,5rem);--ease:cubic-bezier(.2,.7,.2,1)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body.loading{overflow:hidden}
a{color:inherit;text-decoration:none}
ol{list-style:none}
em{font-family:var(--serif);font-style:italic;font-weight:400}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
section{position:relative;padding:clamp(5rem,12vw,10rem) var(--pad);overflow:hidden}
.num{font-size:.8rem;font-weight:700;letter-spacing:.12em;color:var(--accent)}
.lead{font-size:clamp(1.05rem,1.6vw,1.3rem);max-width:34rem;color:#444}
.mega{font-size:clamp(2.6rem,8vw,7.5rem);font-weight:800;letter-spacing:-.045em;line-height:1}
.big{font-size:clamp(2.2rem,5.5vw,5rem);font-weight:800;letter-spacing:-.04em;line-height:1.05}
.mega em,.big em{letter-spacing:-.02em}

/* loader */
#loader{position:fixed;inset:0;z-index:100;background:#000;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.2rem;transition:transform 1s var(--ease)}
.loader-word{overflow:hidden;font-size:clamp(2rem,6vw,4rem);font-weight:800;letter-spacing:-.03em}
.loader-word span{display:block;transform:translateY(110%);animation:rise .9s var(--ease) .15s forwards}
.loader-line{width:min(260px,60vw);height:1px;background:#333}
.loader-line i{display:block;height:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;animation:fill 1.2s ease-in-out .1s forwards}
body.ready #loader{transform:translateY(-100%)}
@keyframes rise{to{transform:none}}
@keyframes fill{to{transform:scaleX(1)}}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:1.2rem var(--pad);color:var(--ink);transition:background .4s,padding .4s}
.nav.solid{background:rgba(242,241,237,.9);box-shadow:0 1px 0 rgba(17,17,17,.1);backdrop-filter:blur(10px);padding-block:.8rem}
.logo{font-weight:800;letter-spacing:.14em;font-size:.95rem}
.logo sup{font-size:.6em;letter-spacing:0}
.nav-links{display:flex;gap:2rem;align-items:center;font-size:.9rem}
.nav-links a{position:relative}
.nav-links a:not(.nav-cta)::after{content:"";position:absolute;left:0;bottom:-4px;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-cta{border:1px solid var(--ink);padding:.55rem 1.1rem;transition:background .3s,color .3s}
.nav-cta:hover{background:var(--ink);color:var(--paper)}
.burger{display:none;background:none;border:0;width:44px;height:44px;position:relative;cursor:pointer}
.burger span{position:absolute;left:10px;right:10px;height:2px;background:var(--ink);transition:transform .4s var(--ease),top .4s var(--ease)}
.burger span:first-child{top:17px}.burger span:last-child{top:25px}
.burger[aria-expanded=true] span{background:#fff}
.burger[aria-expanded=true] span:first-child{top:21px;transform:rotate(45deg)}
.burger[aria-expanded=true] span:last-child{top:21px;transform:rotate(-45deg)}

/* buttons */
.btns{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.2rem}
.btn{display:inline-block;padding:1rem 2rem;font-weight:700;font-size:.95rem;border:1px solid transparent;transition:transform .35s var(--ease),background .3s,color .3s,border-color .3s;min-height:48px}
.btn:hover{transform:translateY(-4px)}
.btn-light{background:var(--ink);color:#fff}
.btn-light:hover{background:var(--accent);color:var(--ink)}
.btn-ghost{border-color:currentColor}
.hero .btn-ghost{color:var(--ink)}
.hero .btn-ghost:hover,.contact .btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#fff}

/* hero */
.hero{min-height:100svh;padding:0;display:flex;align-items:center;color:var(--ink);background:#e9e8e4}
.hero-img{position:absolute;inset:-8% 0;background:url(hero.jpg) 70% center/cover no-repeat;animation:zoom 18s ease-out forwards;will-change:transform}
@keyframes zoom{from{scale:1}to{scale:1.12}}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(242,241,237,.95) 0,rgba(242,241,237,.7) 40%,rgba(242,241,237,0) 70%),linear-gradient(0deg,rgba(242,241,237,.9),transparent 22%)}
.hero-inner{position:relative;padding:8rem var(--pad) 6rem;max-width:62rem}
.brand-tag{font-size:.8rem;font-weight:700;letter-spacing:.3em;margin-bottom:1.6rem;color:var(--ink);opacity:.6}
.hero-title{font-size:clamp(2.6rem,7.5vw,6.6rem);font-weight:800;letter-spacing:-.045em;line-height:1.02}
.hero-title .line{display:block;overflow:hidden;padding-bottom:.08em}
.hero-title .line>span{display:block;transform:translateY(110%);transition:transform 1.1s var(--ease)}
body.ready .hero-title .line>span{transform:none}
body.ready .hero-title .line:nth-child(2)>span{transition-delay:.15s}
.hero-sub{max-width:36rem;margin-top:1.8rem;font-size:clamp(1rem,1.5vw,1.2rem);color:#333}
.hero .reveal{transition-delay:.5s}
.scroll-cue{position:absolute;right:var(--pad);bottom:2.5rem;width:110px;height:110px;display:grid;place-items:center;color:var(--ink)}
.scroll-cue svg{position:absolute;inset:0;animation:spin 16s linear infinite}
.scroll-cue text{font-size:11.5px;letter-spacing:.18em;fill:currentColor;font-weight:700}
.scroll-cue b{font-size:1.4rem;animation:bob 1.8s ease-in-out infinite}
@keyframes spin{to{rotate:360deg}}
@keyframes bob{50%{transform:translateY(7px)}}

/* marquee */
.marquee{background:var(--ink);color:var(--paper);overflow:hidden;white-space:nowrap;padding:1.1rem 0;font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.9rem}
.marquee div{display:inline-flex;animation:slide 30s linear infinite}
.marquee span{padding-right:1rem}
@keyframes slide{to{transform:translateX(-33.333%)}}

/* floating bg */
.float{position:absolute;border:1px solid var(--accent);border-radius:50%;opacity:.35;animation:drift 14s ease-in-out infinite;pointer-events:none}
.f1{width:260px;height:260px;right:6%;top:12%}
.f2{width:90px;height:90px;left:8%;bottom:10%;animation-delay:-6s}
@keyframes drift{50%{transform:translate(-24px,30px)}}

/* brand */
.brand{min-height:90vh;display:flex;flex-direction:column;justify-content:center;gap:3rem}
.brand .mega{max-width:18ch}
.brand .lead{margin-left:auto}

/* services */
.services{background:var(--white)}
.sec-head{display:grid;grid-template-columns:1.4fr 1fr;gap:2rem;align-items:end;margin-bottom:4rem}
.cards{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--ink);border-left:1px solid var(--ink)}
.card{border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:2.2rem;min-height:22rem;display:flex;flex-direction:column;transition:background .5s var(--ease),color .5s,transform .5s var(--ease)}
.card:nth-child(even){margin-top:3rem;border-top:1px solid var(--ink)}
.card:hover{background:var(--ink);color:var(--paper);transform:translateY(-8px)}
.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:auto}
.ico{width:34px;height:34px;fill:none;stroke:currentColor;stroke-width:1.4;transition:transform .7s var(--ease)}
.card:hover .ico{transform:rotate(180deg);stroke:var(--accent)}
.card h3{font-size:clamp(2rem,4vw,3.4rem);letter-spacing:-.04em;line-height:1.05;margin:3rem 0 1rem}
.card p{max-width:26rem;opacity:.8}

/* approach */
.approach .big{max-width:16ch}
.principles{margin-top:4rem;border-top:1px solid var(--ink)}
.principles li{display:grid;grid-template-columns:5rem 1.2fr 1fr;gap:2rem;padding:2.2rem 0;border-bottom:1px solid #bbb;align-items:baseline;transition:padding-left .5s var(--ease)}
.principles li:hover{padding-left:1.2rem}
.principles h3{font-size:clamp(1.4rem,2.6vw,2.2rem);letter-spacing:-.03em}
.principles p{color:#444}

/* process */
.process{background:var(--grey)}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:4.5rem;position:relative}
.steps::before{content:"";position:absolute;top:6px;left:0;right:0;height:1px;background:#999}
.steps::after{content:"";position:absolute;top:6px;left:0;height:1px;width:100%;background:var(--ink);transform:scaleX(var(--p,0));transform-origin:left}
.step{position:relative;padding:2.2rem 1.2rem 0 0;opacity:.3;transition:opacity .7s var(--ease),transform .7s var(--ease);transform:translateY(20px)}
.step::before{content:"";position:absolute;top:0;left:0;width:13px;height:13px;border-radius:50%;background:var(--grey);border:1px solid var(--ink);transition:background .5s}
.step.on{opacity:1;transform:none}
.step.on::before{background:var(--accent)}
.step h3{font-size:1.6rem;letter-spacing:-.03em;margin:.6rem 0 .5rem}
.step p{font-size:.95rem;color:#444}

/* about */
.about{background:var(--ink);color:var(--paper)}
.about-cols{display:grid;grid-template-columns:1fr 1fr;gap:3rem;margin:4rem 0;max-width:62rem;font-size:clamp(1.05rem,1.5vw,1.25rem);color:#cfcfcf}
.motto{font-family:var(--serif);font-style:italic;font-size:clamp(1.5rem,3.4vw,3rem);color:var(--accent);max-width:22ch;line-height:1.2}

/* contact */
.contact{min-height:90vh;display:flex;flex-direction:column;justify-content:center;gap:2rem}
.contact .lead{margin-top:.5rem}
.contact .btn-ghost{color:var(--ink)}
.details{margin-top:1rem;color:#555;font-size:.95rem}

/* footer */
.footer{background:var(--ink);color:var(--paper);padding:4rem var(--pad) 2rem}
.foot-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:2rem;padding-bottom:3rem;border-bottom:1px solid #333}
.foot-tag{color:#999;margin-top:.5rem}
.footer nav{display:flex;flex-wrap:wrap;gap:1.6rem}
.footer nav a{color:#bbb;transition:color .3s}
.footer nav a:hover{color:var(--accent)}
.foot-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;padding-top:1.5rem;font-size:.8rem;color:#888;letter-spacing:.08em}

/* reveal */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.hero .reveal{transition-delay:.7s}
body:not(.ready) .hero .reveal{opacity:0}
body.ready .hero .reveal{opacity:1;transform:none}

/* responsive */
@media(max-width:960px){
.sec-head{grid-template-columns:1fr}
.principles li{grid-template-columns:3rem 1fr}.principles li p{grid-column:2}
.steps{grid-template-columns:1fr;gap:0;margin-top:3rem;padding-left:1.5rem}
.steps::before,.steps::after{top:0;bottom:0;left:6px;right:auto;width:1px;height:auto}
.steps::after{transform:scaleY(var(--p,0));transform-origin:top;width:1px}
.step{padding:0 0 2.2rem 2rem}.step::before{left:-1.5rem;top:.4rem}
.about-cols{grid-template-columns:1fr;gap:1.5rem}
}
@media(max-width:760px){
.burger{display:block}
.nav-links{position:fixed;inset:0;background:var(--ink);flex-direction:column;justify-content:center;gap:1.6rem;font-size:1.8rem;font-weight:700;color:#fff;clip-path:circle(0 at calc(100% - 2.2rem) 2.2rem);transition:clip-path .7s var(--ease);visibility:hidden}
.nav-links.open{clip-path:circle(150% at calc(100% - 2.2rem) 2.2rem);visibility:visible}
.burger{z-index:2}
.cards{grid-template-columns:1fr}.card:nth-child(even){margin-top:0}.card{min-height:18rem}
.brand .lead{margin-left:0}
.scroll-cue{width:84px;height:84px;bottom:1.2rem}
.hero-shade{background:linear-gradient(180deg,rgba(242,241,237,.93),rgba(242,241,237,.78) 60%,rgba(242,241,237,.95))}
.hero-img{background-position:78% center}
.nav-links .nav-cta{border-color:#fff}
.nav-links .nav-cta:hover{background:#fff;color:var(--ink)}
.btn{width:100%;text-align:center}
.foot-bot{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
.reveal,.hero-title .line>span{opacity:1;transform:none}
.step{opacity:1;transform:none}
}