:root {
--orange: #E8472A;
--orange-light: #FF6347;
--orange-glow: rgba(232,71,42,0.10);
--dark: #FFFFFF;
--dark2: #F5F5F7;
--dark3: #EEEEF2;
--card: #FFFFFF;
--border: rgba(0,0,0,0.08);
--text: #111118;
--muted: #666677;
--white: #111118;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
font-family: 'Open Sans', sans-serif;
background: var(--dark);
color: var(--text);
overflow-x: hidden;
}
/* ─── NAV ─── */
nav {
position: fixed; top: 0; left: 0; right: 0;
z-index: 100;
display: flex; align-items: center; justify-content: space-between;
padding: 18px 60px;
background: rgba(255,255,255,0.88);
backdrop-filter: blur(18px);
border-bottom: 1px solid var(--border);
}

.nav-logo {
display: flex; align-items: center; gap: 10px;
}

.nav-logo-svg {
display: flex; align-items: baseline; gap: 0;
font-family: 'Open Sans', sans-serif;
font-size: 26px; font-weight: 800; letter-spacing: -1px;
}

.logo-digi { color: var(--orange); }
.logo-pehchan {
font-family: 'Noto Sans Devanagari', sans-serif;
font-weight: 700; color: #111118;
font-size: 22px; margin-left: 2px;
}

.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-links a {
text-decoration: none; color: var(--muted);
font-size: 14px; font-weight: 500; letter-spacing: 0.02em;
transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-cta {
display: flex; gap: 12px;
}

.btn-outline {
padding: 9px 22px; border-radius: 8px;
border: 1px solid rgba(0,0,0,0.15);
background: transparent; color: var(--text);
font-size: 14px; font-family: 'Open Sans', sans-serif; font-weight: 500;
cursor: pointer; transition: all 0.2s;
}
.btn-outline:hover { border-color: var(--orange); color: var(--orange); }

.btn-primary {
padding: 9px 22px; border-radius: 8px;
background: var(--orange); color: #fff;
font-size: 14px; font-family: 'Open Sans', sans-serif; font-weight: 600;
border: none; cursor: pointer;
transition: all 0.2s;
box-shadow: 0 0 20px rgba(232,71,42,0.3);
}
.btn-primary:hover { background: var(--orange-light); transform: translateY(-1px); box-shadow: 0 0 30px rgba(232,71,42,0.5); }

/* ─── HERO ─── */
.hero {
min-height: 100vh;
display: flex; align-items: center; justify-content: center;
position: relative; overflow: hidden;
padding: 120px 60px 80px;
}

.hero-bg {
position: absolute; inset: 0; z-index: 0;
background:
radial-gradient(ellipse 60% 50% at 70% 40%, rgba(232,71,42,0.07) 0%, transparent 70%),
radial-gradient(ellipse 40% 60% at 20% 80%, rgba(232,71,42,0.04) 0%, transparent 70%);
}

.hero-grid {
position: absolute; inset: 0; z-index: 0;
background-image:
linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
background-size: 60px 60px;
mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-content {
position: relative; z-index: 1;
max-width: 760px; text-align: center;
animation: fadeUp 0.9s ease both;
}

@keyframes fadeUp {
from { opacity: 0; transform: translateY(30px); }
to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
display: inline-flex; align-items: center; gap: 8px;
padding: 7px 16px; border-radius: 100px;
background: var(--orange-glow);
border: 1px solid rgba(232,71,42,0.3);
color: var(--orange); font-size: 13px; font-weight: 500;
margin-bottom: 28px;
animation: fadeUp 0.9s 0.1s ease both;
}

.hero-badge-dot {
width: 6px; height: 6px; border-radius: 50%;
background: var(--orange);
box-shadow: 0 0 8px var(--orange);
animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
0%, 100% { opacity: 1; }
50% { opacity: 0.4; }
}

.hero h1 {
font-family: 'Open Sans', sans-serif;
font-size: clamp(42px, 6vw, 76px);
font-weight: 800; line-height: 1.08;
letter-spacing: -2px; margin-bottom: 24px;
animation: fadeUp 0.9s 0.2s ease both;
}

.hero h1 .accent { color: var(--orange); }

.hero p {
font-size: 18px; line-height: 1.7; color: var(--muted);
max-width: 560px; margin: 0 auto 40px;
animation: fadeUp 0.9s 0.3s ease both;
}

.hero-actions {
display: flex; gap: 14px; justify-content: center;
animation: fadeUp 0.9s 0.4s ease both;
}

.btn-lg {
padding: 15px 34px; border-radius: 10px;
font-size: 16px; font-weight: 600;
}

.hero-stats {
display: flex; gap: 48px; justify-content: center;
margin-top: 72px;
animation: fadeUp 0.9s 0.5s ease both;
}

.stat { text-align: center; }
.stat-num {
font-family: 'Open Sans', sans-serif;
font-size: 32px; font-weight: 800;
color: var(--text);
}
.stat-num span { color: var(--orange); }
.stat-label { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ─── SECTION COMMONS ─── */
section { padding: 96px 60px; }

.section-tag {
display: inline-block;
font-size: 12px; font-weight: 600; letter-spacing: 0.12em;
text-transform: uppercase; color: var(--orange);
margin-bottom: 14px;
}

.section-title {
font-family: 'Open Sans', sans-serif;
font-size: clamp(28px, 3.5vw, 46px);
font-weight: 800; letter-spacing: -1px;
line-height: 1.1; margin-bottom: 16px;
}

.section-sub {
font-size: 16px; color: var(--muted); max-width: 520px;
line-height: 1.7;
}

.center { text-align: center; }
.center .section-sub { margin: 0 auto; }

/* ─── FEATURES ─── */
.features { background: var(--dark2); }

.features-grid {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 2px; margin-top: 56px;
}

.feat-card {
background: var(--card);
padding: 36px 28px;
position: relative; overflow: hidden;
transition: transform 0.3s;
border: 1px solid var(--border);
}

.feat-card:hover { transform: translateY(-4px); }
.feat-card:hover .feat-icon { background: var(--orange); }

.feat-card::before {
content: '';
position: absolute; top: 0; left: 0; right: 0;
height: 2px;
background: linear-gradient(90deg, transparent, var(--orange), transparent);
opacity: 0; transition: opacity 0.3s;
}
.feat-card:hover::before { opacity: 1; }

.feat-icon {
width: 48px; height: 48px; border-radius: 12px;
background: var(--orange-glow);
border: 1px solid rgba(232,71,42,0.2);
display: flex; align-items: center; justify-content: center;
margin-bottom: 20px;
transition: background 0.3s;
font-size: 22px;
}

.feat-card h3 {
font-family: 'Open Sans', sans-serif;
font-size: 17px; font-weight: 700; margin-bottom: 10px;
}

.feat-card p { font-size: 14px; color: var(--muted); line-height: 1.65; }

/* ─── SERVICES ─── */
.services { background: var(--dark); }

.services-inner {
max-width: 1200px; margin: 0 auto;
}

.services-header {
display: flex; justify-content: space-between;
align-items: flex-end; margin-bottom: 56px;
}

.service-tabs {
display: flex; gap: 8px; flex-wrap: wrap; margin-top: 32px;
}

.tab-btn {
padding: 8px 18px; border-radius: 100px;
border: 1px solid var(--border);
background: transparent; color: var(--muted);
font-size: 13px; font-family: 'Open Sans', sans-serif; font-weight: 500;
cursor: pointer; transition: all 0.2s;
}
.tab-btn.active, .tab-btn:hover {
background: var(--orange); color: #fff; border-color: var(--orange);
box-shadow: 0 0 18px rgba(232,71,42,0.35);
}

.services-grid {
display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
margin-top: 32px;
}

.service-card {
background: var(--card);
border: 1px solid var(--border);
border-radius: 16px;
padding: 28px;
transition: all 0.3s;
cursor: pointer;
position: relative; overflow: hidden;
}

.service-card:hover {
border-color: rgba(232,71,42,0.4);
transform: translateY(-3px);
box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(232,71,42,0.15);
}

.service-card-icon {
font-size: 28px; margin-bottom: 16px;
display: block;
}

.service-card h3 {
font-family: 'Open Sans', sans-serif;
font-size: 16px; font-weight: 700; margin-bottom: 8px;
}

.service-card p { font-size: 13.5px; color: var(--muted); line-height: 1.6; }

.service-card-arrow {
position: absolute; bottom: 24px; right: 24px;
width: 32px; height: 32px; border-radius: 8px;
background: var(--orange-glow); border: 1px solid rgba(232,71,42,0.2);
display: flex; align-items: center; justify-content: center;
color: var(--orange); font-size: 16px;
opacity: 0; transition: opacity 0.3s;
}
.service-card:hover .service-card-arrow { opacity: 1; }

/* ─── HOW IT WORKS ─── */
.how { background: var(--dark2); }

.steps {
display: flex; gap: 0; margin-top: 60px;
position: relative;
}

.steps::before {
content: '';
position: absolute; top: 36px; left: 10%; right: 10%;
height: 1px;
background: linear-gradient(90deg, transparent, var(--orange), transparent);
}

.step {
flex: 1; text-align: center; padding: 0 24px;
position: relative;
}

.step-num {
width: 72px; height: 72px; border-radius: 50%;
background: #fff;
border: 2px solid var(--orange);
display: flex; align-items: center; justify-content: center;
margin: 0 auto 24px;
font-family: 'Open Sans', sans-serif;
font-size: 22px; font-weight: 800; color: var(--orange);
position: relative; z-index: 1;
box-shadow: 0 0 24px rgba(232,71,42,0.25);
}

.step h3 {
font-family: 'Open Sans', sans-serif;
font-size: 17px; font-weight: 700; margin-bottom: 10px;
}

.step p { font-size: 14px; color: var(--muted); line-height: 1.65; }

/* ─── USE CASES ─── */
.usecases { background: var(--dark); }

.usecases-grid {
display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
margin-top: 48px;
}

.usecase-card {
border-radius: 16px; padding: 32px;
border: 1px solid var(--border);
background: #fff;
transition: all 0.3s;
}

.usecase-card:hover {
border-color: rgba(232,71,42,0.3);
transform: translateY(-3px);
box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}

.usecase-icon { font-size: 32px; margin-bottom: 18px; display: block; }
.usecase-card h3 {
font-family: 'Open Sans', sans-serif;
font-size: 18px; font-weight: 700; margin-bottom: 10px;
}
.usecase-card p { font-size: 14px; color: var(--muted); line-height: 1.65; }

/* ─── CTA ─── */
.cta-section {
background: var(--dark2);
padding: 96px 60px;
}

.cta-inner {
max-width: 800px; margin: 0 auto; text-align: center;
background: #fff;
border: 1px solid rgba(232,71,42,0.2);
border-radius: 24px; padding: 72px 60px;
position: relative; overflow: hidden;
}

.cta-inner::before {
content: '';
position: absolute; top: -60px; right: -60px;
width: 200px; height: 200px; border-radius: 50%;
background: radial-gradient(circle, rgba(232,71,42,0.2), transparent 70%);
pointer-events: none;
}

.cta-inner::after {
content: '';
position: absolute; bottom: -60px; left: -60px;
width: 200px; height: 200px; border-radius: 50%;
background: radial-gradient(circle, rgba(232,71,42,0.12), transparent 70%);
pointer-events: none;
}

.cta-inner h2 {
font-family: 'Open Sans', sans-serif;
font-size: clamp(28px, 3.5vw, 42px);
font-weight: 800; letter-spacing: -1px;
margin-bottom: 16px;
}

.cta-inner p { color: var(--muted); font-size: 16px; margin-bottom: 36px; }

.cta-btns { display: flex; gap: 14px; justify-content: center; }

/* ─── FOOTER ─── */
footer {
background: var(--dark);
border-top: 1px solid var(--border);
padding: 60px 60px 32px;
}

.footer-grid {
display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
gap: 48px; margin-bottom: 48px;
}

.footer-brand p {
color: var(--muted); font-size: 14px; line-height: 1.7;
margin-top: 16px; max-width: 300px;
}

.footer-col h4 {
font-family: 'Open Sans', sans-serif;
font-size: 14px; font-weight: 700;
margin-bottom: 16px; color: var(--text);
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
text-decoration: none; color: var(--muted); font-size: 14px;
transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--orange); }

.footer-bottom {
border-top: 1px solid var(--border);
padding-top: 24px;
display: flex; justify-content: space-between; align-items: center;
}

.footer-bottom p { font-size: 13px; color: var(--muted); }

.footer-bottom a {
text-decoration: none; color: var(--muted); font-size: 13px;
transition: color 0.2s;
}
.footer-bottom a:hover { color: var(--orange); }

@keyframes fadeIn {
from { opacity: 0; transform: translateY(10px); }
to { opacity: 1; transform: translateY(0); }
}

/* ─── SCROLL REVEAL ─── */
.reveal {
opacity: 0; transform: translateY(24px);
transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ─── MOBILE ─── */
@media (max-width: 900px) {
nav { padding: 16px 24px; }
.nav-links, .nav-cta { display: none; }
section { padding: 64px 24px; }
.hero { padding: 100px 24px 64px; }
.features-grid { grid-template-columns: 1fr 1fr; }
.services-grid, .usecases-grid { grid-template-columns: 1fr 1fr; }
.steps { flex-direction: column; gap: 32px; }
.steps::before { display: none; }
.footer-grid { grid-template-columns: 1fr 1fr; }
.footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
.cta-inner { padding: 48px 28px; }
.hero-stats { gap: 28px; }
.services-header { flex-direction: column; align-items: flex-start; gap: 16px; }
}