/* Serallo — one page site
   White + blue theme with hot pink accents.
   Keep it fast: no framework, no heavy animations. */

:root{
  --bg: #ffffff;
  --surface: #f7f9fc;
  --surface-2: #eef3fb;
  --ink: #0b1220;
  --muted: rgba(11, 18, 32, 0.72);
  --muted-2: rgba(11, 18, 32, 0.58);
  --border: rgba(11, 18, 32, 0.12);
  --shadow: 0 18px 60px rgba(11, 18, 32, 0.10);
  --shadow-2: 0 10px 30px rgba(11, 18, 32, 0.08);

  --blue: #3098E8; /* from logo */
  --pink: #F82868; /* from logo */
  --blue-2: rgba(48, 152, 232, 0.18);
  --pink-2: rgba(248, 40, 104, 0.18);

  --radius: 18px;
  --radius-sm: 12px;

  --container: 1120px;
  --header-h: 74px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

img{ max-width: 100%; height: auto; display: block; }

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: none; }

.container{
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.skip-link{
  position: absolute;
  left: 1rem;
  top: 1rem;
  transform: translateY(-200%);
  background: var(--ink);
  color: #fff;
  padding: .75rem 1rem;
  border-radius: 999px;
  z-index: 9999;
}
.skip-link:focus{ transform: translateY(0); }

.sr-only{
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.80);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(11,18,32,0.08);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: .75rem;
}
.brand img{
  width: 170px;
  height: 40px;
  object-fit: contain;
}

.nav{
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 600;
  color: rgba(11,18,32,0.82);
}
.nav a{
  padding: .55rem .65rem;
  border-radius: 999px;
  transition: background .2s ease, color .2s ease;
}
.nav a:hover{
  background: rgba(48,152,232,0.10);
  color: rgba(11,18,32,0.94);
}

.nav-toggle{
  display: none;
  border: 1px solid rgba(11,18,32,0.14);
  background: #fff;
  border-radius: 999px;
  padding: .55rem .7rem;
  cursor: pointer;
  box-shadow: var(--shadow-2);
}
.nav-toggle svg{
  width: 20px;
  height: 20px;
  fill: none;
  stroke: rgba(11,18,32,0.85);
  stroke-width: 2;
  stroke-linecap: round;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .85rem 1.05rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  will-change: transform;
}

.btn:focus,
a:focus,
button:focus,
input:focus,
textarea:focus,
summary:focus{
  outline: 3px solid rgba(48, 152, 232, 0.35);
  outline-offset: 3px;
}

.btn-primary{
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #2b7fd8);
  box-shadow: 0 14px 30px rgba(48,152,232,0.22);
}
.btn-primary:hover{ transform: translateY(-1px); box-shadow: 0 18px 40px rgba(48,152,232,0.26); }

.btn-secondary{
  color: #fff;
  background: linear-gradient(135deg, var(--pink), #ff4b87);
  box-shadow: 0 14px 30px rgba(248,40,104,0.22);
}
.btn-secondary:hover{ transform: translateY(-1px); box-shadow: 0 18px 40px rgba(248,40,104,0.26); }

.btn-ghost{
  background: rgba(11,18,32,0.02);
  border-color: rgba(11,18,32,0.14);
  color: rgba(11,18,32,0.90);
}
.btn-ghost:hover{
  background: rgba(48,152,232,0.08);
  border-color: rgba(48,152,232,0.22);
  transform: translateY(-1px);
}

.btn-small{ padding: .7rem .95rem; font-weight: 700; }

/* Hero */
.hero{
  position: relative;
  padding: calc(4.2rem + 1rem) 0 3.75rem;
  overflow: clip;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: start;
  gap: 2.5rem;
}

.pill{
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .35rem .85rem;
  border-radius: 999px;
  border: 1px solid rgba(11,18,32,0.10);
  background: rgba(255,255,255,0.85);
  color: rgba(11,18,32,0.80);
  font-weight: 700;
  box-shadow: var(--shadow-2);
}
.pill .dot{
  width: .6rem;
  height: .6rem;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,0)) , var(--pink);
  box-shadow: 0 0 0 4px rgba(248,40,104,0.18);
}
.sep{ opacity: .45; }

.hero h1{
  font-size: clamp(2.2rem, 2.8vw + 1.3rem, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 1rem 0 1rem;
}
.headline-accent{
  background: linear-gradient(90deg, var(--blue), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
}
.lead{
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 60ch;
}

.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  margin: 1.6rem 0 1.25rem;
}
.hero-badges{
  list-style: none;
  padding: 0;
  margin: 1.1rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}
.hero-badges li{
  padding: .35rem .65rem;
  border-radius: 999px;
  background: rgba(48,152,232,0.08);
  border: 1px solid rgba(48,152,232,0.18);
  color: rgba(11,18,32,0.78);
  font-weight: 700;
  font-size: .92rem;
}

.hero-panel{
  position: relative;
}
.panel-card{
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(255,255,255,0.76));
  border: 1px solid rgba(11,18,32,0.10);
  box-shadow: var(--shadow);
  padding: 1.4rem 1.3rem;
  overflow: hidden;
}
.panel-card::before{
  content: "";
  position: absolute;
  inset: -40px -40px auto auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle at 30% 30%, var(--pink-2), transparent 60%);
  transform: rotate(12deg);
  pointer-events: none;
}
.panel-title{
  font-size: 1.05rem;
  margin: 0 0 .45rem;
  letter-spacing: -0.01em;
}
.panel-text{
  margin: 0 0 1.1rem;
  color: var(--muted);
}
.panel-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .85rem;
}
.mini{
  display: flex;
  gap: .75rem;
  padding: .75rem .75rem;
  border-radius: var(--radius-sm);
  background: rgba(11,18,32,0.02);
  border: 1px solid rgba(11,18,32,0.08);
}
.mini-icon{
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(48,152,232,0.16), rgba(248,40,104,0.12));
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}
.mini-icon svg{
  width: 22px;
  height: 22px;
  fill: none;
  stroke: rgba(11,18,32,0.72);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.mini-title{ margin: 0; font-weight: 800; letter-spacing: -0.01em; }
.mini-desc{ margin: .1rem 0 0; color: var(--muted-2); font-weight: 600; font-size: .95rem; }

.panel-foot{
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(11,18,32,0.08);
  display: grid;
  gap: .75rem;
}
.panel-note{
  margin: 0;
  color: var(--muted-2);
  font-weight: 600;
}

.hero-glow{
  position: absolute;
  inset: -200px -160px auto -160px;
  height: 520px;
  background:
    radial-gradient(circle at 20% 30%, rgba(48,152,232,0.18), transparent 55%),
    radial-gradient(circle at 55% 20%, rgba(248,40,104,0.14), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(48,152,232,0.12), transparent 45%);
  filter: blur(10px);
  pointer-events: none;
  z-index: -1;
}

/* Sections */
.section{
  padding: 4.2rem 0;
}
.section-alt{
  background: linear-gradient(180deg, rgba(48,152,232,0.06), rgba(248,40,104,0.04));
  border-top: 1px solid rgba(11,18,32,0.06);
  border-bottom: 1px solid rgba(11,18,32,0.06);
}

.section-head{
  max-width: 78ch;
  margin-bottom: 2rem;
}
.section-head h2{
  font-size: clamp(1.7rem, 1.4vw + 1.2rem, 2.2rem);
  letter-spacing: -0.02em;
  margin: 0 0 .55rem;
}
.section-head p{
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}

/* Cards */
.cards{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.card{
  position: relative;
  padding: 1.35rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid rgba(11,18,32,0.10);
  background: rgba(255,255,255,0.9);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}
.card::before{
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 15%, rgba(48,152,232,0.10), transparent 50%),
              radial-gradient(circle at 80% 30%, rgba(248,40,104,0.10), transparent 46%);
  opacity: 0;
  transition: opacity .25s ease;
  pointer-events: none;
}
.card:hover::before{ opacity: 1; }
.card:hover{ transform: translateY(-2px); transition: transform .25s ease; }

.card h3{
  margin: 0 0 .5rem;
  letter-spacing: -0.01em;
}
.card p{
  margin: 0 0 .9rem;
  color: var(--muted);
  font-weight: 600;
}
.list{
  margin: 0;
  padding-left: 1.1rem;
  color: rgba(11,18,32,0.78);
  font-weight: 650;
}
.list li{ margin: .35rem 0; }

/* Two column section */
.two-col{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.kicker{
  margin: 0 0 .65rem;
  letter-spacing: -0.01em;
}
.tags{
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 1.2rem;
}
.tag{
  padding: .35rem .65rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.65);
  border: 1px solid rgba(11,18,32,0.10);
  font-weight: 750;
  color: rgba(11,18,32,0.80);
}
.muted{ color: var(--muted); font-weight: 600; }

/* Product */
.product{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.2rem;
  align-items: stretch;
}
.product-label{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 800;
  color: rgba(11,18,32,0.72);
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: .85rem;
  margin: 0 0 .5rem;
}
.product-copy h3{ margin: 0 0 .5rem; font-size: 1.6rem; letter-spacing: -0.02em; }
.product-copy p{ margin: 0 0 1rem; color: var(--muted); font-weight: 600; }
.product-actions{ display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.25rem; }

.product-card{
  border-radius: var(--radius);
  border: 1px solid rgba(11,18,32,0.10);
  background: linear-gradient(180deg, rgba(255,255,255,0.90), rgba(255,255,255,0.74));
  box-shadow: var(--shadow);
  padding: 1.2rem;
  display: grid;
  gap: .85rem;
  position: relative;
  overflow: hidden;
}
.product-card::after{
  content: "";
  position: absolute;
  inset: auto -120px -120px auto;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle at 30% 30%, rgba(48,152,232,0.18), transparent 62%);
  transform: rotate(-18deg);
}
.product-metric{
  border-radius: var(--radius-sm);
  background: rgba(11,18,32,0.02);
  border: 1px solid rgba(11,18,32,0.08);
  padding: .85rem .85rem;
  position: relative;
  z-index: 1;
}
.metric-title{ margin: 0; color: rgba(11,18,32,0.70); font-weight: 800; text-transform: uppercase; letter-spacing: .06em; font-size: .78rem; }
.metric-value{ margin: .2rem 0 0; font-weight: 900; letter-spacing: -0.01em; }

/* Steps */
.steps{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: .9rem;
}
.step{
  border-radius: var(--radius);
  border: 1px solid rgba(11,18,32,0.10);
  background: rgba(255,255,255,0.86);
  padding: 1.15rem 1.1rem;
  box-shadow: var(--shadow-2);
  position: relative;
  overflow: hidden;
}
.step::before{
  content:"";
  position: absolute;
  inset: -1px -1px auto auto;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle at 30% 30%, rgba(248,40,104,0.15), transparent 58%);
  opacity: .9;
}
.step-num{
  display: inline-flex;
  padding: .3rem .6rem;
  border-radius: 999px;
  background: rgba(48,152,232,0.10);
  border: 1px solid rgba(48,152,232,0.18);
  font-weight: 900;
  color: rgba(11,18,32,0.78);
  font-size: .92rem;
}
.step h3{
  margin: .75rem 0 .4rem;
  letter-spacing: -0.01em;
  font-size: 1.02rem;
}
.step p{
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}

.capabilities{
  margin-top: 2.2rem;
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  border: 1px solid rgba(11,18,32,0.10);
  background: rgba(255,255,255,0.86);
  box-shadow: var(--shadow-2);
}
.capabilities h3{ margin: 0 0 1.1rem; letter-spacing: -0.01em; }
.cap-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .9rem;
}
.cap{
  border-radius: var(--radius-sm);
  border: 1px solid rgba(11,18,32,0.08);
  background: rgba(11,18,32,0.02);
  padding: 1rem 1rem;
}
.cap h4{ margin: 0 0 .35rem; letter-spacing: -0.01em; }
.cap p{ margin: 0; color: var(--muted); font-weight: 600; }

.location{
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 1rem;
  align-items: center;
}
.location-card{
  border-radius: var(--radius);
  border: 1px solid rgba(11,18,32,0.10);
  background: linear-gradient(135deg, rgba(48,152,232,0.10), rgba(248,40,104,0.08));
  padding: 1.2rem 1.1rem;
  box-shadow: var(--shadow-2);
}
.location-title{ margin: 0; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; color: rgba(11,18,32,0.70); }
.location-value{ margin: .45rem 0 .25rem; font-weight: 900; letter-spacing: -0.01em; }
.location-sub{ margin: 0; color: var(--muted); font-weight: 650; }

/* FAQ */
.faq{
  display: grid;
  gap: .8rem;
}
details{
  border-radius: var(--radius);
  border: 1px solid rgba(11,18,32,0.10);
  background: rgba(255,255,255,0.90);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}
summary{
  cursor: pointer;
  padding: 1.1rem 1.1rem;
  font-weight: 850;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
summary::-webkit-details-marker{ display: none; }
summary::after{
  content: "+";
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(48,152,232,0.10);
  border: 1px solid rgba(48,152,232,0.18);
  color: rgba(11,18,32,0.76);
  font-weight: 900;
}
details[open] summary::after{ content: "–"; background: rgba(248,40,104,0.10); border-color: rgba(248,40,104,0.20); }
.faq-body{
  padding: 0 1.1rem 1.1rem;
  color: var(--muted);
  font-weight: 600;
}

/* Contact */
.contact{
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1.2rem;
  align-items: start;
}
.contact-card{
  border-radius: var(--radius);
  border: 1px solid rgba(11,18,32,0.10);
  background: rgba(255,255,255,0.90);
  box-shadow: var(--shadow);
  padding: 1.35rem 1.25rem;
}
.contact-card h3{ margin: 0 0 .35rem; letter-spacing: -0.01em; }
.contact-actions{ display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1rem; }
.contact-notes{ margin-top: 1.15rem; color: rgba(11,18,32,0.78); font-weight: 650; }
.contact-notes p{ margin: .35rem 0; }

.contact-form{
  border-radius: var(--radius);
  border: 1px solid rgba(11,18,32,0.10);
  background: rgba(255,255,255,0.86);
  box-shadow: var(--shadow-2);
  padding: 1.35rem 1.25rem;
}
.contact-form h3{ margin: 0 0 .25rem; letter-spacing: -0.01em; }
.contact-form p{ margin: 0 0 1rem; }

label{
  display: grid;
  gap: .35rem;
  margin: .85rem 0;
  font-weight: 750;
  color: rgba(11,18,32,0.82);
}
input, textarea{
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(11,18,32,0.14);
  padding: .8rem .9rem;
  font-size: 1rem;
  font-family: inherit;
  background: rgba(255,255,255,0.9);
  color: rgba(11,18,32,0.92);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
}
textarea{ resize: vertical; min-height: 140px; }

.form-actions{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .85rem;
  margin-top: 1rem;
}
.form-hint{
  margin: 0;
  color: var(--muted-2);
  font-weight: 650;
  font-size: .95rem;
}

/* Footer */
.footer{
  margin-top: 2.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(11,18,32,0.08);
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 1rem;
  align-items: center;
  justify-content: space-between;
  color: rgba(11,18,32,0.74);
  font-weight: 650;
}
.footer p{ margin: 0; }
.footer-links{
  display: inline-flex;
  align-items: center;
  gap: .65rem;
}
.footer a{
  color: rgba(11,18,32,0.80);
  text-decoration: underline;
  text-decoration-color: rgba(48,152,232,0.35);
  text-underline-offset: 3px;
}
.footer a:hover{
  text-decoration-color: rgba(248,40,104,0.45);
}

/* Reveal animation (subtle) */
.js [data-animate]{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .55s ease, transform .55s ease;
}
.js .in-view{
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .panel-grid{ grid-template-columns: 1fr 1fr; }
  .cards{ grid-template-columns: 1fr 1fr; }
  .product{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr 1fr; }
  .cap-grid{ grid-template-columns: 1fr 1fr; }
  .location{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .nav-toggle{ display: inline-flex; }
  .nav{
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(11,18,32,0.08);
    padding: .75rem 1rem 1rem;
    display: grid;
    gap: .4rem;
    transform: translateY(-130%);
    transition: transform .25s ease;
  }
  .nav a{ justify-content: flex-start; padding: .85rem .9rem; border-radius: 14px; }
  body.nav-open .nav{ transform: translateY(0); }
  .cards{ grid-template-columns: 1fr; }
  .panel-grid{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .cap-grid{ grid-template-columns: 1fr; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ transition: none !important; }
  .js .js [data-animate]{ opacity: 1; transform: none; }
}