/* Naduvan Technologies — site styles */

:root {
  --orange: #f26522;
  --orange-600: #d9531a;
  --orange-50: #fff4ed;
  --orange-100: #ffe4d3;
  --ink: #1d2128;
  --ink-2: #3b414b;
  --muted: #646b76;
  --line: #e6e8ec;
  --bg: #ffffff;
  --bg-soft: #f7f7f9;
  --bg-dark: #14171c;
  --green: #1f9d55;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 24px rgba(16, 24, 40, .06);
  --shadow-lg: 0 24px 60px rgba(16, 24, 40, .14);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --display: 'Outfit', 'Inter', system-ui, sans-serif;
  --wrap: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font: 400 16px/1.65 var(--font);
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--orange-600); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--display); color: var(--ink); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 5.2vw, 3.9rem); font-weight: 800; letter-spacing: -.025em; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1em; }
ul { padding-left: 1.2em; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 16px; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.soft { background: var(--bg-soft); }
.center { text-align: center; }
.eyebrow {
  display: inline-block; font: 600 .78rem/1 var(--font); letter-spacing: .12em; text-transform: uppercase;
  color: var(--orange-600); margin-bottom: 14px;
}
.lead { font-size: 1.15rem; color: var(--muted); max-width: 640px; }
.center .lead { margin-left: auto; margin-right: auto; }
.section-head { margin-bottom: 48px; }
.hl { color: var(--orange); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  font: 600 .98rem/1 var(--font); padding: 15px 24px; border-radius: 999px;
  background: var(--orange); color: #fff; border: 1px solid var(--orange);
  transition: background .15s, transform .15s, box-shadow .15s; cursor: pointer;
  box-shadow: 0 6px 18px rgba(242, 101, 34, .28);
}
.btn:hover { background: var(--orange-600); text-decoration: none; transform: translateY(-1px); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: none; }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-sm { padding: 10px 18px; font-size: .9rem; box-shadow: none; }
.btn .arrow { transition: transform .15s; }
.btn:hover .arrow { transform: translateX(3px); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.header-row { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand img { height: 40px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav > a, .nav-group > a {
  color: var(--ink-2); font-weight: 500; font-size: .95rem; padding: 9px 13px; border-radius: 999px;
}
.site-nav > a:hover, .nav-group > a:hover { background: var(--bg-soft); text-decoration: none; }
.site-nav a[aria-current="page"]:not(.btn) { color: var(--orange-600); background: var(--orange-50); }
.site-nav .btn { margin-left: 8px; color: #fff; }
.nav-group { position: relative; }
.nav-menu {
  position: absolute; top: calc(100% + 8px); left: -12px; width: 280px; padding: 8px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(6px); transition: .15s;
}
.nav-menu::before { content: ''; position: absolute; top: -10px; left: 0; right: 0; height: 10px; }
.nav-group:hover .nav-menu, .nav-group:focus-within .nav-menu { opacity: 1; visibility: visible; transform: none; }
.nav-menu a { display: block; padding: 10px 12px; border-radius: 10px; color: var(--ink); }
.nav-menu a:hover { background: var(--orange-50); text-decoration: none; }
.nav-menu strong { display: block; font-weight: 600; }
.nav-menu span { font-size: .85rem; color: var(--muted); }
.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; }
.bars, .bars::before, .bars::after {
  display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; position: relative; transition: .2s; margin: 0 auto;
}
.bars::before, .bars::after { content: ''; position: absolute; left: 0; }
.bars::before { top: -7px; } .bars::after { top: 7px; }
.nav-open .bars { background: transparent; }
.nav-open .bars::before { top: 0; transform: rotate(45deg); }
.nav-open .bars::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed; inset: 76px 0 auto 0; flex-direction: column; align-items: stretch; gap: 2px;
    background: #fff; padding: 12px 16px 24px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-lg);
    display: none; max-height: calc(100vh - 76px); overflow-y: auto;
  }
  .nav-open .site-nav { display: flex; }
  .site-nav > a, .nav-group > a { display: block; padding: 12px 14px; }
  .nav-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; width: auto; padding: 0 0 0 12px; }
  .site-nav .btn { margin: 10px 0 0; }
}

/* Hero */
.hero { position: relative; overflow: hidden; padding: 88px 0 96px; }
.hero::before {
  content: ''; position: absolute; inset: -20% -10% auto auto; width: 720px; height: 720px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(242, 101, 34, .16), rgba(242, 101, 34, 0)); z-index: -1;
}
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: -2;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px; mask-image: linear-gradient(180deg, rgba(0,0,0,.5), transparent 75%); opacity: .6;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero p.lead { font-size: 1.2rem; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px; font-size: .85rem; font-weight: 500;
  background: #fff; border: 1px solid var(--line); color: var(--ink-2); margin-bottom: 22px; box-shadow: var(--shadow);
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(31, 157, 85, .15); }
.hero-stack { position: relative; height: 440px; }
.hero-stack .shot {
  position: absolute; width: 82%; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg);
  border: 1px solid var(--line); background: #fff;
}
.hero-stack .shot img { width: 100%; }
.hero-stack .s1 { top: 0; right: 0; transform: rotate(2deg); }
.hero-stack .s2 { top: 120px; left: 0; transform: rotate(-3deg); }
.hero-stack .s3 { top: 230px; right: 6%; transform: rotate(1deg); }
.hero-stack .tag {
  position: absolute; z-index: 3; background: #fff; border-radius: 999px; padding: 8px 14px; font-size: .85rem; font-weight: 600;
  color: var(--ink); box-shadow: var(--shadow-lg); border: 1px solid var(--line); display: flex; gap: 8px; align-items: center;
}
.hero-stack .tag svg { color: var(--green); }
.hero-stack .t1 { top: 96px; right: -6px; }
.hero-stack .t2 { bottom: 20px; left: 4%; }
@media (max-width: 960px) {
  .hero { padding: 56px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-stack { height: 360px; }
}
@media (max-width: 520px) { .hero-stack { height: 260px; } .hero-stack .t1 { display: none; } }

/* Page hero (inner pages) */
.page-hero { padding: 72px 0 56px; background: linear-gradient(180deg, var(--orange-50), #fff); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); max-width: 860px; }
.crumbs { font-size: .88rem; color: var(--muted); margin-bottom: 14px; }
.crumbs a { color: var(--muted); }

/* Cards & grids */
.grid { display: grid; gap: 24px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px;
  box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s;
}
a.card { color: inherit; display: block; }
a.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); text-decoration: none; }
.card p { color: var(--muted); margin-bottom: 0; }
.icon {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
  background: var(--orange-50); color: var(--orange-600); margin-bottom: 18px;
}
.icon svg { width: 24px; height: 24px; }

/* Product cards */
.product-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.product-card .thumb { aspect-ratio: 16 / 10; overflow: hidden; border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top left; transition: transform .4s; }
a.product-card:hover .thumb img { transform: scale(1.03); }
.product-card .body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.product-card .kicker { font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--orange-600); margin-bottom: 6px; }
.product-card .more { margin-top: auto; padding-top: 16px; font-weight: 600; color: var(--orange-600); }

/* Feature list */
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 32px; }
.ticks li::before {
  content: ''; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--orange-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d9531a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.ticks.two { grid-template-columns: 1fr 1fr; gap: 12px 28px; }
@media (max-width: 640px) { .ticks.two { grid-template-columns: 1fr; } }

/* Split layout */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.reverse > :first-child { order: 2; }
@media (max-width: 960px) { .split { grid-template-columns: 1fr; gap: 36px; } .split.reverse > :first-child { order: 0; } }
.frame { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-lg); background: #fff; }
.frame .bar { display: flex; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.frame .bar i { width: 10px; height: 10px; border-radius: 50%; background: #d7dae0; }

/* Steps */
.steps { counter-reset: step; display: grid; gap: 20px; grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding-top: 58px; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero); position: absolute; top: 24px; left: 28px;
  font: 700 1rem/1 var(--display); color: var(--orange);
}

/* Chat mock (WhatsApp section) */
.chat {
  background: #efe7dd; border-radius: var(--radius-lg); padding: 22px; box-shadow: var(--shadow-lg);
  border: 1px solid var(--line); max-width: 440px; margin-left: auto;
}
.chat-head { display: flex; align-items: center; gap: 12px; background: #fff; border-radius: 12px; padding: 10px 14px; margin-bottom: 16px; }
.chat-head .av { width: 36px; height: 36px; border-radius: 50%; background: var(--orange); color: #fff; display: grid; place-items: center; font-weight: 700; }
.chat-head small { display: block; color: var(--muted); font-size: .78rem; }
.bubble { max-width: 85%; padding: 10px 14px 18px; border-radius: 12px; margin-bottom: 10px; position: relative; font-size: .93rem; line-height: 1.45; color: var(--ink); }
.bubble.in { background: #fff; border-top-left-radius: 4px; }
.bubble.out { background: #d9fdd3; margin-left: auto; border-top-right-radius: 4px; }
.bubble time { position: absolute; right: 10px; bottom: 4px; font-size: .68rem; color: #7a8088; }
.bubble .doc { display: flex; align-items: center; gap: 10px; background: rgba(0,0,0,.05); padding: 8px 10px; border-radius: 8px; margin-bottom: 6px; font-weight: 500; }
@media (max-width: 960px) { .chat { margin: 0 auto; } }

/* Clients */
.logos { display: grid; grid-template-columns: repeat(9, 1fr); gap: 28px; align-items: center; }
.logos img { max-height: 54px; width: auto; margin: 0 auto; filter: grayscale(1); opacity: .7; transition: .2s; }
.logos a:hover img, .logos img:hover { filter: none; opacity: 1; }
@media (max-width: 960px) { .logos { grid-template-columns: repeat(5, 1fr); } }
@media (max-width: 560px) { .logos { grid-template-columns: repeat(3, 1fr); gap: 24px; } }

/* Stats strip */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat strong { display: block; font: 700 2rem/1.1 var(--display); color: var(--ink); }
.stat span { color: var(--muted); font-size: .95rem; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* CTA band */
.cta {
  background: var(--bg-dark); color: #c9ced6; border-radius: 28px; padding: 64px; position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1.4fr auto; gap: 32px; align-items: center;
}
.cta::after {
  content: ''; position: absolute; right: -120px; top: -160px; width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(242, 101, 34, .45), transparent);
}
.cta h2 { color: #fff; }
.cta p { margin: 0; }
.cta .actions { margin: 0; position: relative; z-index: 1; }
@media (max-width: 860px) { .cta { grid-template-columns: 1fr; padding: 40px 28px; } }

/* Prose (legal pages) */
.prose { max-width: 780px; }
.prose h2 { font-size: 1.5rem; margin-top: 2.2em; }
.prose h3 { font-size: 1.15rem; margin-top: 1.6em; }
.prose li { margin-bottom: .4em; }
.prose table { width: 100%; border-collapse: collapse; margin: 1em 0 1.5em; font-size: .95rem; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border: 1px solid var(--line); vertical-align: top; }
.prose th { background: var(--bg-soft); color: var(--ink); }
.note { background: var(--orange-50); border: 1px solid var(--orange-100); border-radius: var(--radius); padding: 18px 20px; color: var(--ink-2); }
.toc { position: sticky; top: 100px; font-size: .92rem; }
.toc a { display: block; color: var(--muted); padding: 5px 0; }
.legal-grid { display: grid; grid-template-columns: 220px 1fr; gap: 56px; }
@media (max-width: 960px) { .legal-grid { grid-template-columns: 1fr; } .toc { display: none; } }

/* Contact */
.contact-list { display: grid; gap: 18px; }
.contact-item { display: flex; gap: 16px; }
.contact-item .icon { flex: none; margin: 0; }
.contact-item h3 { font-size: 1rem; margin-bottom: 2px; }
form.contact-form { display: grid; gap: 16px; }
.field label { display: block; font-weight: 600; font-size: .9rem; color: var(--ink); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 4px var(--orange-50); }
.field textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.map { border: 0; width: 100%; height: 320px; border-radius: var(--radius-lg); }

/* Footer */
.site-footer { background: var(--bg-dark); color: #a4abb6; padding: 72px 0 0; margin-top: 0; font-size: .94rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.6fr; gap: 32px; }
.site-footer h2 { font: 600 .82rem/1 var(--font); letter-spacing: .1em; text-transform: uppercase; color: #fff; margin-bottom: 16px; }
.site-footer a { color: #c9ced6; display: block; padding: 3px 0; }
.site-footer address a { display: inline; }
.site-footer a:hover { color: #fff; }
.site-footer address { font-style: normal; line-height: 1.7; }
.footer-brand img { height: 40px; width: auto; background: #fff; padding: 6px 10px; border-radius: 10px; margin-bottom: 16px; }
.footer-base {
  display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; border-top: 1px solid #2a2f37;
  margin-top: 56px; padding-top: 22px; padding-bottom: 28px; font-size: .82rem; color: #7d8592;
}
@media (max-width: 1060px) { .footer-grid { grid-template-columns: 1fr 1fr 1fr; } .footer-brand, .site-footer address { grid-column: span 3; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand, .site-footer address { grid-column: span 2; } }

/* Reveal on scroll */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  * { transition: none !important; }
}