/* ==========================================================================
   PAPER SUPPLIER — design tokens
   Ink Navy #0A2E52 | Ream Blue #1B5FA8 | Sky #3E8EDE
   Paper White #FAFBFC | Mist #EAF2FB | Slate #435066
   Display: Sora | Body: Inter
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root{
  --navy: #0A2E52;
  --blue: #1B5FA8;
  --sky: #3E8EDE;
  --sky-light: #8FC1F2;
  --paper: #FAFBFC;
  --mist: #EAF2FB;
  --slate: #435066;
  --line: #D6E4F5;
  --max: 1160px;
  --radius: 10px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family:'Inter', sans-serif;
  color: var(--slate);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4{
  font-family:'Sora', sans-serif;
  color: var(--navy);
  line-height: 1.15;
  margin: 0 0 .5em;
}
h1{ font-size: clamp(2.1rem, 4vw, 3.4rem); font-weight: 800; letter-spacing: -0.02em; }
h2{ font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; letter-spacing: -0.01em; }
h3{ font-size: 1.25rem; font-weight: 700; }
p{ margin: 0 0 1em; }
a{ color: var(--blue); text-decoration: none; }
img{ max-width: 100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
.container{ max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'Sora', sans-serif; font-weight:700; font-size:.72rem;
  letter-spacing:.16em; text-transform:uppercase; color: var(--blue);
  margin-bottom: 14px;
}
.eyebrow::before{
  content:""; width:22px; height:3px; background: var(--sky); border-radius:2px;
}

/* ---------------- header / nav ---------------- */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(250,251,252,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 24px; max-width: var(--max); margin:0 auto;
}
.nav__logo img{ height: 40px; width:auto; }
.nav__links{ display:flex; gap: 30px; align-items:center; }
.nav__links a{
  font-family:'Sora', sans-serif; font-weight:600; font-size:.94rem;
  color: var(--navy); position:relative; padding: 4px 0;
}
.nav__links a::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background: var(--sky); transition: width .25s ease;
}
.nav__links a:hover::after, .nav__links a.active::after{ width:100%; }
.nav__links a.active{ color: var(--blue); }
.nav__cta{
  background: var(--blue); color:#fff !important; padding: 10px 20px;
  border-radius: 999px; font-size:.88rem !important;
}
.nav__cta::after{ display:none; }
.nav__cta:hover{ background: var(--navy); }
.nav__toggle{ display:none; background:none; border:none; cursor:pointer; }
.nav__toggle span{ display:block; width:26px; height:2px; background:var(--navy); margin:5px 0; }

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:'Sora', sans-serif; font-weight:600; font-size:.95rem;
  padding: 13px 26px; border-radius: 999px; border: 2px solid transparent;
  cursor:pointer; transition: all .2s ease;
}
.btn--primary{ background: var(--blue); color:#fff; }
.btn--primary:hover{ background: var(--navy); transform: translateY(-1px); }
.btn--ghost{ border-color: var(--line); color: var(--navy); background:#fff; }
.btn--ghost:hover{ border-color: var(--sky); color: var(--blue); }
.btn--on-dark{ border-color: rgba(255,255,255,.35); color:#fff; }
.btn--on-dark:hover{ background: rgba(255,255,255,.12); border-color:#fff; }

/* ---------------- hero (ream-stack signature) ---------------- */
.hero{
  position: relative; overflow:hidden;
  background: linear-gradient(180deg, var(--navy) 0%, #0d3a68 100%);
  color:#fff; padding: 90px 0 70px;
}
.hero .container{
  display:grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items:center;
}
.hero h1{ color:#fff; }
.hero h1 em{ font-style: normal; color: var(--sky-light); }
.hero p.lead{ font-size: 1.08rem; color: #C9D9EC; max-width: 46ch; }
.hero .eyebrow{ color: var(--sky-light); }
.hero .eyebrow::before{ background: var(--sky-light); }
.hero-actions{ display:flex; gap:16px; margin-top: 28px; flex-wrap:wrap; }

.ream{
  position: relative; width: 100%; max-width: 340px; margin: 0 auto;
  display:flex; flex-direction:column-reverse; gap: 10px;
}
.ream .sheet{
  height: 26px; border-radius: 5px;
  box-shadow: 0 8px 18px rgba(0,0,0,.25);
  transform-origin: center;
  animation: rise .7s cubic-bezier(.2,.8,.2,1) both;
}
.ream .sheet:nth-child(1){ background:#fff; width:100%; animation-delay:.05s;}
.ream .sheet:nth-child(2){ background: var(--sky-light); width:96%; margin:0 2%; animation-delay:.15s;}
.ream .sheet:nth-child(3){ background: var(--sky); width:100%; animation-delay:.25s;}
.ream .sheet:nth-child(4){ background:#fff; width:94%; margin:0 3%; animation-delay:.35s;}
.ream .sheet:nth-child(5){ background: var(--sky-light); width:100%; animation-delay:.45s;}
.ream .sheet:nth-child(6){ background: #fff; width:97%; margin:0 1.5%; animation-delay:.55s;}
@keyframes rise{
  from{ opacity:0; transform: translateY(16px) scaleX(.94); }
  to{ opacity:1; transform: translateY(0) scaleX(1); }
}
@media (prefers-reduced-motion: reduce){
  .ream .sheet{ animation: none; }
}

/* thin divider using the ream motif */
.divider-ream{ display:flex; justify-content:center; gap:6px; margin: 0 0 40px; }
.divider-ream span{ width: 34px; height: 6px; border-radius: 3px; background: var(--line); }
.divider-ream span:nth-child(2){ background: var(--sky); }
.divider-ream span:nth-child(3){ background: var(--blue); }

/* ---------------- sections ---------------- */
section{ padding: 78px 0; }
.section--alt{ background: var(--mist); }
.section-head{ max-width: 640px; margin: 0 auto 46px; text-align:center; }
.section-head.left{ margin: 0 0 46px; text-align:left; }

/* stat strip */
.stats{
  display:grid; grid-template-columns: repeat(4,1fr); gap: 24px;
  margin-top: 50px;
}
.stat{ text-align:center; border-left: 1px solid var(--line); padding-left: 20px; }
.stat:first-child{ border-left:none; }
.stat .num{ font-family:'Sora',sans-serif; font-weight:800; font-size:2.1rem; color: var(--blue); }
.stat .label{ font-size:.85rem; color:var(--slate); }

/* cards grid (why us / process) */
.grid-3{ display:grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.grid-2{ display:grid; grid-template-columns: repeat(2,1fr); gap: 26px; }
.card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover{ transform: translateY(-4px); box-shadow: 0 16px 30px rgba(10,46,82,.08); }
.card .icon{
  width:46px; height:46px; border-radius:12px; background: var(--mist);
  display:flex; align-items:center; justify-content:center; margin-bottom:16px;
  color: var(--blue);
}

/* product cards */
.products-grid{
  display:grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: 26px;
}
.product-card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius);
  overflow:hidden; display:flex; flex-direction:column;
}
.product-card__img{
  background: var(--mist); padding: 22px; display:flex; align-items:center; justify-content:center;
  height: 200px;
}
.product-card__img img{ max-height: 100%; width:auto; margin:0 auto; mix-blend-mode:multiply; }
.product-card__body{ padding: 20px 22px 24px; flex:1; display:flex; flex-direction:column; }
.product-card__body h3{ margin-bottom:6px; }
.product-card__body p{ font-size:.92rem; flex:1; }
.tag{
  display:inline-block; font-size:.72rem; font-weight:600; letter-spacing:.04em;
  color: var(--blue); background: var(--mist); padding: 4px 10px; border-radius: 999px;
  margin-bottom: 10px; width: fit-content;
}
.product-card__foot{
  display:flex; justify-content:space-between; align-items:center; margin-top:14px;
  padding-top:14px; border-top: 1px dashed var(--line);
}
.product-card__foot .spec{ font-size:.82rem; color: var(--slate); }

/* process timeline (delivery page) */
.timeline{ position:relative; }
.timeline::before{
  content:""; position:absolute; left: 27px; top:10px; bottom:10px; width:2px;
  background: var(--line);
}
.timeline-step{ position:relative; padding: 0 0 40px 76px; }
.timeline-step:last-child{ padding-bottom:0; }
.timeline-step .num{
  position:absolute; left:0; top:0; width:56px; height:56px; border-radius:50%;
  background: var(--navy); color:#fff; display:flex; align-items:center; justify-content:center;
  font-family:'Sora',sans-serif; font-weight:800; font-size:1.2rem;
  box-shadow: 0 6px 16px rgba(10,46,82,.25);
}
.timeline-step:nth-child(even) .num{ background: var(--blue); }

/* about page */
.split{
  display:grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items:center;
}
.split img{ border-radius: var(--radius); }
.value-list li{ display:flex; gap:14px; margin-bottom:18px; align-items:flex-start; }
.value-list .dot{
  flex:none; width:10px; height:10px; border-radius:50%; background:var(--sky);
  margin-top:8px;
}

/* contact page */
.contact-grid{ display:grid; grid-template-columns: .9fr 1.1fr; gap: 46px; }
.contact-info{ background: var(--navy); color:#fff; border-radius: var(--radius); padding: 38px; }
.contact-info h3{ color:#fff; }
.contact-info .row{ display:flex; gap:14px; margin-bottom:22px; align-items:flex-start; }
.contact-info .row .ic{
  width:40px; height:40px; border-radius:10px; background: rgba(255,255,255,.1);
  display:flex; align-items:center; justify-content:center; flex:none;
}
.contact-info a{ color:#fff; }
.contact-info small{ color:#C9D9EC; }
.whatsapp-btn{
  display:inline-flex; gap:10px; align-items:center; background:#25D366; color:#fff;
  padding: 13px 22px; border-radius:999px; font-family:'Sora',sans-serif; font-weight:700;
  margin-top: 10px;
}
.whatsapp-btn:hover{ filter: brightness(1.05); }

form.form-card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 34px;
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:18px; }
.form-field{ display:flex; flex-direction:column; gap:6px; }
.form-field label{ font-size:.85rem; font-weight:600; color: var(--navy); font-family:'Sora',sans-serif; }
.form-field input, .form-field select, .form-field textarea{
  border:1px solid var(--line); border-radius:8px; padding: 12px 14px; font-family:'Inter',sans-serif;
  font-size:.95rem; color: var(--slate); background: var(--paper);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline: 2px solid var(--sky); outline-offset: 1px; background:#fff;
}
.map-embed{
  border:1px solid var(--line); border-radius: var(--radius); overflow:hidden; margin-top:26px; height: 320px;
}
.map-embed iframe{ width:100%; height:100%; border:0; }

/* CTA band */
.cta-band{
  background: linear-gradient(120deg, var(--blue), var(--navy));
  color:#fff; border-radius: var(--radius); padding: 46px;
  display:flex; align-items:center; justify-content:space-between; gap: 30px; flex-wrap:wrap;
}
.cta-band h2{ color:#fff; margin:0; }
.cta-band p{ color:#C9D9EC; margin: 6px 0 0; }

/* footer */
footer{ background: var(--navy); color:#C9D9EC; padding: 56px 0 26px; }
.footer-grid{ display:grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 34px; margin-bottom: 40px; }
footer h4{ color:#fff; font-size:.95rem; margin-bottom:16px; }
footer a{ color:#C9D9EC; }
footer a:hover{ color:#fff; }
footer li{ margin-bottom:10px; font-size:.92rem; }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:.82rem; color:#8CA6C4;
}

/* page header (non-home pages) */
.page-header{
  background: var(--mist); padding: 54px 0 44px; border-bottom:1px solid var(--line);
}
.breadcrumb{ font-size:.85rem; color: var(--slate); margin-bottom: 10px; }
.breadcrumb a{ color: var(--blue); }

/* ---------------- floating whatsapp button ---------------- */
.whatsapp-float{
  position: fixed; right: 22px; bottom: 22px; z-index: 200;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25D366; display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 24px rgba(0,0,0,.28);
  transition: transform .2s ease;
}
.whatsapp-float:hover{ transform: scale(1.08); }
.whatsapp-float::before{
  content:""; position:absolute; inset:0; border-radius:50%;
  background: #25D366; opacity:.55;
  animation: wa-pulse 2.2s ease-out infinite;
}
@keyframes wa-pulse{
  0%{ transform: scale(1); opacity:.55; }
  100%{ transform: scale(1.7); opacity:0; }
}
.whatsapp-float svg{ position:relative; z-index:1; }
@media (prefers-reduced-motion: reduce){
  .whatsapp-float::before{ animation:none; display:none; }
}

/* ---------------- large image showcase (home) ---------------- */
.showcase{
  position: relative; border-radius: var(--radius); overflow:hidden;
  height: 460px; margin-top: 10px;
}
.showcase img{
  width:100%; height:100%; object-fit: cover; object-position: center;
}
.showcase::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(0deg, rgba(10,46,82,.75) 0%, rgba(10,46,82,.05) 55%);
}
.showcase-caption{
  position:absolute; left:0; right:0; bottom:0; padding: 34px;
  z-index:2; color:#fff;
}
.showcase-caption h2{ color:#fff; margin-bottom: 6px; }
.showcase-caption p{ color:#DCE9F8; margin:0; max-width: 56ch; }

.product-card__img--lg{ height: 280px; padding: 30px; }

@media (max-width: 900px){
  .showcase{ height: 300px; }
  .whatsapp-float{ width:54px; height:54px; right:16px; bottom:16px; }
}

/* responsive */
@media (max-width: 900px){
  .hero .container{ grid-template-columns: 1fr; }
  .hero .ream{ max-width: 220px; }
  .grid-3, .grid-2, .split, .contact-grid{ grid-template-columns: 1fr; }
  .stats{ grid-template-columns: repeat(2,1fr); row-gap: 26px;}
  .stat{ border-left:none; padding-left:0; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .nav__links{
    position:fixed; top:70px; left:0; right:0; background:#fff; flex-direction:column;
    padding: 22px 24px; gap: 18px; border-bottom:1px solid var(--line);
    transform: translateY(-130%); transition: transform .3s ease; z-index:99;
  }
  .nav__links.open{ transform: translateY(0); }
  .nav__toggle{ display:block; }
}