/* ==========================================================
   WKsync landing page
   Palette: Charcoal 60% / Fog 30% / Cyber lime 10%
   ========================================================== */
:root {
  --charcoal: #1E1E24;
  --charcoal-2: #26262E;
  --charcoal-3: #2F2F39;
  --fog: #F4F4F6;
  --fog-2: #E6E6EA;
  --lime: #00FFC2;
  --lime-alt: #DFFF00;
  --muted: #A6A6B3;
  --muted-dark: #5C5C6A;
  --radius: 18px;
  --header-h: 76px;
  --ease: cubic-bezier(.22, .8, .24, 1);
  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); max-width: 100%; overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--fog);
  background: var(--charcoal);
  -webkit-font-smoothing: antialiased;
  max-width: 100%;
  overflow-x: hidden;
  position: relative;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.12; margin: 0; letter-spacing: -.02em; }
p { margin: 0 0 1rem; }
.container { width: min(1180px, 100% - 40px); margin-inline: auto; }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: 1rem 1.7rem; border-radius: 999px; border: 2px solid transparent;
  font: 600 1rem var(--font-body); cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s, color .3s, border-color .3s;
}
.btn-primary { background: var(--lime); color: var(--charcoal); box-shadow: 0 10px 30px -8px rgba(0, 255, 194, .55); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 36px -8px rgba(0, 255, 194, .75); }
.btn-primary svg { transition: transform .3s var(--ease); }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-ghost { border-color: rgba(244, 244, 246, .35); color: var(--fog); }
.btn-ghost:hover { border-color: var(--lime); color: var(--lime); transform: translateY(-3px); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .7; cursor: wait; transform: none; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  display: flex; align-items: center;
  transition: background .35s, box-shadow .35s, backdrop-filter .35s;
}
/* .site-header.scrolled {
  background: rgba(30, 30, 36, .88);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .07);
} */

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(30, 30, 36, .88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .07);
  opacity: 0;
  transition: opacity .35s;
  pointer-events: none;
}
.site-header.scrolled::before { opacity: 1; }

.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo {
  font: 700 1.65rem var(--font-head); color: #fff; letter-spacing: -.03em;
  display: inline-flex; align-items: baseline; position: relative; z-index: 120;
}
.logo span { font-weight: 500; }
.logo-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); margin-left: 3px; box-shadow: 0 0 12px var(--lime); }

.nav-list { display: flex; align-items: center; gap: .4rem; }
.nav-link {
  position: relative; display: inline-flex; align-items: center; gap: .4rem;
  padding: .6rem 1rem; font-weight: 500; font-size: .98rem; color: var(--fog); border-radius: 999px;
  transition: color .25s;
}
.nav-link::after {
  content: ""; position: absolute; left: 1rem; right: 1rem; bottom: .3rem; height: 2px;
  background: var(--lime); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--lime); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-cta { background: var(--lime); color: var(--charcoal) !important; margin-left: .6rem; padding: .6rem 1.3rem; font-weight: 600; }
.nav-cta::after { display: none; }
.nav-cta:hover { box-shadow: 0 0 0 4px rgba(0, 255, 194, .25); }
.chev { transition: transform .3s var(--ease); }

/* Dropdown (desktop) */
.has-dropdown { position: relative; }
.sub-toggle { display: none; }
.dropdown {
  position: absolute; top: 100%; left: 50%; min-width: 270px; padding: .6rem;
  background: var(--fog); border-radius: 16px; box-shadow: 0 24px 60px -12px rgba(0, 0, 0, .55);
  opacity: 0; visibility: hidden; transform: translate(-50%, 12px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.dropdown::before { content: ""; position: absolute; top: -14px; left: 0; right: 0; height: 14px; } /* hover bridge */
.dropdown a {
  display: block; padding: .75rem 1rem; border-radius: 10px; color: var(--charcoal);
  font-weight: 500; font-size: .96rem; transition: background .2s, padding .25s var(--ease);
}
.dropdown a:hover { background: var(--charcoal); color: var(--lime); padding-left: 1.4rem; }
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 4px); }
.has-dropdown:hover .chev { transform: rotate(180deg); }

/* Burger */
.burger {
  display: none; width: 46px; height: 46px; border: 0; background: transparent; cursor: pointer;
  position: relative; z-index: 120; padding: 0;
}
.burger span {
  position: absolute; left: 11px; width: 24px; height: 2px; background: #fff; border-radius: 2px;
  transition: transform .4s var(--ease), opacity .25s, top .4s var(--ease), background .3s;
}
.burger span:nth-child(1) { top: 15px; }
.burger span:nth-child(2) { top: 22px; width: 16px; }
.burger span:nth-child(3) { top: 29px; }
.burger.open span { background: var(--lime); }
.burger.open span:nth-child(1) { top: 22px; transform: rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { top: 22px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center; padding: calc(var(--header-h) + 40px) 0 90px; overflow: hidden;
  background: var(--charcoal);
}
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); animation: slowzoom 22s ease-in-out infinite alternate; }
@keyframes slowzoom { to { transform: scale(1.16); } }
.hero-overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 85% 15%, rgba(0, 255, 194, .20), transparent 60%),
    linear-gradient(100deg, rgba(30, 30, 36, .97) 8%, rgba(30, 30, 36, .84) 48%, rgba(30, 30, 36, .55) 100%);
}
.hero-grid {
  position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 30% 50%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse at 30% 50%, #000 20%, transparent 75%);
}
.hero-inner { position: relative; z-index: 2; }
.hero-text { max-width: 760px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem; padding: .45rem 1rem .45rem .8rem;
  border: 1px solid rgba(0, 255, 194, .35); border-radius: 999px; background: rgba(0, 255, 194, .08);
  color: var(--lime); font-size: .85rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
}
.eyebrow i { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(0, 255, 194, .7); } 100% { box-shadow: 0 0 0 12px rgba(0, 255, 194, 0); } }
.hero h1 { font-size: clamp(2.7rem, 7.2vw, 5.6rem); font-weight: 700; margin: 1.4rem 0 1.4rem; color: #fff; }
.hero h1 em {
  font-style: normal; color: var(--lime); position: relative; display: inline-block;
}
.hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .02em; height: .09em; background: var(--lime); opacity: .35; border-radius: 4px;
}
.hero-sub { font-size: clamp(1.05rem, 2vw, 1.3rem); color: #D5D5DC; max-width: 600px; margin-bottom: 2.2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero-chips { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 3.2rem; max-width: 760px; }
.hero-chips li {
  padding: .45rem 1rem; border-radius: 999px; font-size: .88rem; font-weight: 500; color: var(--fog);
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .12); backdrop-filter: blur(6px);
}
.scroll-hint {
  position: absolute; bottom: 28px; left: 50%; z-index: 2; width: 26px; height: 42px; margin-left: -13px;
  border: 2px solid rgba(255, 255, 255, .4); border-radius: 14px;
}
.scroll-hint span { position: absolute; top: 7px; left: 50%; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--lime); animation: wheel 1.8s infinite; }
@keyframes wheel { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(14px); } }

/* ---------- Sections ---------- */
.section { padding: clamp(4.5rem, 10vw, 8rem) 0; position: relative; overflow: hidden; }
.section-dark { background: var(--charcoal); color: var(--fog); }
.section-light { background: var(--fog); color: var(--charcoal); }
.tag {
  display: inline-block; padding: .35rem .9rem; border-radius: 999px; margin-bottom: 1.1rem;
  font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--lime); border: 1px solid rgba(0, 255, 194, .4);
}
.tag-dark { color: var(--charcoal); background: var(--lime); border-color: var(--lime); }
.section h2 { font-size: clamp(2rem, 4.6vw, 3.3rem); font-weight: 700; margin-bottom: 1.2rem; }
.section-head { max-width: 700px; margin: 0 auto clamp(3rem, 6vw, 5rem); text-align: center; }
.section-head p { color: var(--muted); font-size: 1.15rem; }
.section-light .section-head p { color: var(--muted-dark); }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.about-text p { color: #C9C9D2; font-size: 1.1rem; }
.frame { position: relative; border-radius: 26px; background: var(--charcoal-3); aspect-ratio: 4 / 4.4; }
.frame::before {
  content: ""; position: absolute; inset: 22px -22px -22px 22px; border: 2px solid var(--lime); border-radius: 26px; z-index: 0; opacity: .7;
}
.frame img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; border-radius: 26px; }
.link-arrow { display: inline-flex; gap: .6rem; align-items: center; margin-top: .8rem; font-weight: 600; color: var(--lime); }
.link-arrow span { transition: transform .3s var(--ease); }
.link-arrow:hover span { transform: translateX(6px); }

/* Services */
.service {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center;
  scroll-margin-top: calc(var(--header-h) + 10px);
}
.service + .service { margin-top: clamp(3.5rem, 8vw, 7rem); }
.service-media {
  position: relative; border-radius: 24px; overflow: hidden; aspect-ratio: 16 / 11; background: var(--charcoal);
  box-shadow: 0 30px 60px -25px rgba(30, 30, 36, .55);
}
.service-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.service:hover .service-media img { transform: scale(1.07); }
.service-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(30, 30, 36, .6)); }
.num {
  position: absolute; z-index: 2; left: 20px; bottom: 14px;
  font: 700 3.6rem var(--font-head); line-height: 1; color: var(--lime); letter-spacing: -.04em;
}
.service.reverse .service-media { order: 2; }
.icon {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 1.3rem;
  background: var(--charcoal); color: var(--lime);
}
.icon svg { width: 28px; height: 28px; }
.service-body h3 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 700; margin-bottom: 1rem; }
.service-body p { color: var(--muted-dark); font-size: 1.08rem; }
.points { margin-top: 1.4rem; display: grid; gap: .6rem; }
.points li { position: relative; padding-left: 2rem; font-weight: 500; }
.points li::before {
  content: ""; position: absolute; left: 0; top: .4em; width: 1.15rem; height: 1.15rem; border-radius: 50%;
  background: var(--lime) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231E1E24' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5L20 7'/%3E%3C/svg%3E") center / 70% no-repeat;
}

/* Why choose us */
.why::before {
  content: ""; position: absolute; width: 520px; height: 520px; top: -160px; right: -120px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 255, 194, .14), transparent 65%); pointer-events: none;
}
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; position: relative; }
.card {
  padding: 2rem; border-radius: var(--radius); background: var(--charcoal-2); border: 1px solid rgba(255, 255, 255, .07);
  transition: transform .4s var(--ease), border-color .4s, background .4s;
}
.card:hover { transform: translateY(-8px); border-color: rgba(0, 255, 194, .5); background: var(--charcoal-3); }
.card-icon { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; background: rgba(0, 255, 194, .12); color: var(--lime); margin-bottom: 1.2rem; }
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 1.3rem; margin-bottom: .6rem; color: #fff; }
.card p { color: var(--muted); margin: 0; font-size: 1rem; }

/* ---------- Footer / Contact ---------- */
.footer { background: #17171C; position: relative; overflow: hidden; padding-top: clamp(4rem, 8vw, 6.5rem); scroll-margin-top: 0; border-top: 1px solid rgba(0, 255, 194, .25); }
.footer::before {
  content: ""; position: absolute; top: 0; left: 50%; width: 60%; height: 1px; transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, var(--lime), transparent);
}
.footer-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.footer-info h2 { font-size: clamp(1.9rem, 4vw, 3rem); margin: 2rem 0 1.2rem; color: #fff; }
.footer-info p { color: var(--muted); max-width: 460px; }
.mail {
  display: inline-flex; align-items: center; gap: .8rem; margin-top: 1rem; padding: .9rem 1.4rem; border-radius: 999px;
  background: var(--charcoal-2); border: 1px solid rgba(255, 255, 255, .1); font-weight: 600; transition: border-color .3s, color .3s;
}
.mail:hover { border-color: var(--lime); color: var(--lime); }
.form { background: var(--fog); color: var(--charcoal); padding: clamp(1.6rem, 4vw, 2.6rem); border-radius: 24px; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .7); }
.field { margin-bottom: 1.15rem; }
.field label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: .4rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: .9rem 1rem; border-radius: 12px; border: 2px solid transparent; background: #fff;
  font: 1rem var(--font-body); color: var(--charcoal); transition: border-color .25s, box-shadow .25s;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--charcoal); box-shadow: 0 0 0 4px rgba(0, 255, 194, .4); }
.field .invalid { border-color: #E5484D; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .btn-primary { background: var(--charcoal); color: var(--lime); box-shadow: none; }
.form .btn-primary:hover { background: #000; box-shadow: 0 14px 30px -10px rgba(0, 0, 0, .6); }
.footer-bottom { margin-top: clamp(3rem, 6vw, 5rem); padding: 1.6rem 0; border-top: 1px solid rgba(255, 255, 255, .08); color: var(--muted); font-size: .92rem; }
.footer-bottom p { margin: 0; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.hero .reveal:nth-child(2) { transition-delay: .1s; }
.hero .reveal:nth-child(3) { transition-delay: .2s; }
.hero .reveal:nth-child(4) { transition-delay: .3s; }
.why-grid .reveal:nth-child(3n+2) { transition-delay: .12s; }
.why-grid .reveal:nth-child(3n+3) { transition-delay: .24s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-link { padding: .6rem .7rem; }
}

@media (max-width: 900px) {
  :root { --header-h: 68px; }
  .burger { display: block; }

  .nav {
    position: fixed; inset: 0; z-index: 110; padding: calc(var(--header-h) + 20px) 28px 40px;
    background: rgba(23, 23, 28, .98); backdrop-filter: blur(18px);
    clip-path: circle(0 at calc(100% - 40px) 34px);
    transition: clip-path .7s var(--ease);
    overflow-y: auto; pointer-events: none;
  }
  .nav.open { clip-path: circle(150% at calc(100% - 40px) 34px); pointer-events: auto; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list > li { border-bottom: 1px solid rgba(255, 255, 255, .08); opacity: 0; transform: translateY(18px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
  .nav.open .nav-list > li { opacity: 1; transform: none; }
  .nav.open .nav-list > li:nth-child(1) { transition-delay: .2s; }
  .nav.open .nav-list > li:nth-child(2) { transition-delay: .28s; }
  .nav.open .nav-list > li:nth-child(3) { transition-delay: .36s; }
  .nav.open .nav-list > li:nth-child(4) { transition-delay: .44s; }
  .nav-link { font: 600 1.5rem var(--font-head); padding: 1.1rem 0; display: flex; width: 100%; }
  .nav-link::after { display: none; }
  .chev { display: none; }
  .nav-cta { margin: 1.6rem 0 0; justify-content: center; font-size: 1.1rem; padding: 1rem; }
  .nav-list > li:last-child { border: 0; }

  .has-dropdown { display: grid; grid-template-columns: 1fr 48px; align-items: center; }
  .sub-toggle {
    display: grid; place-items: center; width: 44px; height: 44px; border: 0; background: rgba(255, 255, 255, .07);
    color: var(--lime); border-radius: 50%; cursor: pointer; transition: transform .35s var(--ease);
  }
  .sub-toggle.open { transform: rotate(180deg); }
  .dropdown {
    grid-column: 1 / -1; position: static; min-width: 0; padding: 0; background: transparent; box-shadow: none;
    opacity: 1; visibility: visible; transform: none; max-height: 0; overflow: hidden; transition: max-height .5s var(--ease);
  }
  .dropdown::before { display: none; }
  .has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown { transform: none; }
  .dropdown.open { max-height: 340px; }
  .dropdown a { color: var(--fog); padding: .8rem 0 .8rem 1rem; border-left: 2px solid rgba(0, 255, 194, .35); border-radius: 0; margin-left: .2rem; }
  .dropdown a:hover { background: transparent; color: var(--lime); padding-left: 1.4rem; }

  .about-grid, .footer-grid, .service { grid-template-columns: 1fr; }
  .service.reverse .service-media { order: 0; }
  .frame { aspect-ratio: 16 / 11; }
  .frame::before { inset: 12px 0 -12px 0; }
  .about-media { padding-right: 0; }
  .hero { padding-bottom: 110px; }
  .hero-overlay { background: radial-gradient(600px 400px at 90% 0, rgba(0, 255, 194, .18), transparent 60%), linear-gradient(180deg, rgba(30, 30, 36, .92), rgba(30, 30, 36, .82)); }
}

@media (max-width: 600px) {
  body { font-size: 1rem; }
  .why-grid { grid-template-columns: 1fr; }
  .why::before { width: 300px; height: 300px; right: -80px; top: -100px; }
  .hero-actions .btn { width: 100%; }
  .hero-chips { margin-top: 2.2rem; }
  .num { font-size: 2.8rem; }
  .card { padding: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Logo (image) ---------- */
img.logo,
.logo img {
  display: block;
  height: 62px;          /* change this number to make the logo bigger or smaller */
  width: auto;           /* keeps the correct proportions */
  max-width: 180px;
  object-fit: contain;
  position: relative;
  z-index: 120;          /* keeps it above the mobile menu */
}

/* Phones */
@media (max-width: 900px) {
  img.logo,
  .logo img {
    height: 34px;
    max-width: 150px;
  }
}

/* Logo inside the footer */
.footer img.logo,
.footer .logo img {
  height: 48px;
}