/* ===========================================================
   Parivesh Industries — main stylesheet
   Tokens
   Color:  --bg deep space navy · --panel raised surface
           --accent-1 electric indigo · --accent-2 signal cyan
           --accent-warm amber (used only for the "live" signal)
   Type:   Space Grotesk (display) / Inter (body) / JetBrains Mono (labels)
   Signature: animated call waveform in the hero — the product IS
   an AI voice picking up a call, so the hero shows exactly that.
=========================================================== */

:root {
	--bg: #0b0f1a;
	--bg-alt: #0e1424;
	--panel: #131a2e;
	--panel-2: #171f38;
	--border: rgba(255, 255, 255, 0.08);
	--text: #e9ecf6;
	--muted: #9099b3;
	--accent-1: #6c5ce7;
	--accent-2: #22d3ee;
	--accent-warm: #f5a623;
	--gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));
	--radius: 16px;
	--radius-sm: 10px;
	--shadow-glow: 0 0 80px rgba(108, 92, 231, 0.25);
	--font-display: "Space Grotesk", "Inter", sans-serif;
	--font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
	--font-mono: "JetBrains Mono", "SFMono-Regular", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: var(--font-body);
	font-size: 16px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { padding: 0; margin: 0; list-style: none; }

h1, h2, h3, h4 {
	font-family: var(--font-display);
	font-weight: 600;
	line-height: 1.15;
	margin: 0 0 0.5em;
	letter-spacing: -0.01em;
}

:focus-visible {
	outline: 2px solid var(--accent-2);
	outline-offset: 3px;
}

.pi-container {
	width: 100%;
	max-width: 1180px;
	margin: 0 auto;
	padding: 0 24px;
}

.pi-eyebrow {
	display: inline-block;
	font-family: var(--font-mono);
	font-size: 13px;
	letter-spacing: 0.02em;
	color: var(--accent-2);
	margin-bottom: 14px;
}

.pi-accent-dot { color: var(--accent-2); }

/* ---------------- Buttons ---------------- */
.pi-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 12px 22px;
	border-radius: 999px;
	font-weight: 600;
	font-size: 15px;
	border: 1px solid transparent;
	cursor: pointer;
	transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.pi-btn--primary {
	background: var(--gradient);
	color: #0b0f1a;
}
.pi-btn--primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(108, 92, 231, 0.35); }
.pi-btn--ghost {
	background: transparent;
	border-color: var(--border);
	color: var(--text);
}
.pi-btn--ghost:hover { border-color: var(--accent-2); color: var(--accent-2); }
.pi-btn--lg { padding: 15px 28px; font-size: 16px; }
.pi-btn--sm { padding: 9px 18px; font-size: 14px; }
.pi-btn--block { width: 100%; }

/* ---------------- Nav ---------------- */
.pi-nav {
	position: sticky;
	top: 0;
	z-index: 50;
	background: rgba(11, 15, 26, 0.75);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--border);
}
.pi-nav__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 72px;
}
.pi-nav__logo { display: flex; align-items: center; gap: 10px; }
.pi-nav__mark {
	width: 26px;
	height: 26px;
	border-radius: 8px;
	background: var(--gradient);
	display: inline-block;
}
.pi-nav__name { font-family: var(--font-display); font-weight: 600; font-size: 18px; }
.pi-nav__links { display: flex; align-items: center; gap: 28px; }
.pi-nav__links a:not(.pi-btn) { color: var(--muted); font-size: 15px; }
.pi-nav__links a:not(.pi-btn):hover { color: var(--text); }
.pi-nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.pi-nav__toggle span { width: 22px; height: 2px; background: var(--text); display: block; }

/* ---------------- Hero ---------------- */
.pi-hero {
	position: relative;
	padding: 96px 0 80px;
	overflow: hidden;
}
.pi-hero__glow {
	position: absolute;
	top: -200px;
	right: -150px;
	width: 600px;
	height: 600px;
	background: radial-gradient(circle, rgba(108, 92, 231, 0.35), transparent 70%);
	filter: blur(10px);
	pointer-events: none;
}
.pi-hero__inner {
	display: grid;
	grid-template-columns: 1.1fr 0.9fr;
	gap: 56px;
	align-items: center;
	position: relative;
}
.pi-hero h1 {
	font-size: clamp(36px, 5vw, 58px);
	max-width: 12ch;
}
.pi-hero__lede {
	color: var(--muted);
	font-size: 18px;
	max-width: 46ch;
	margin-bottom: 32px;
}
.pi-hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.pi-hero__proof { display: flex; gap: 36px; }
.pi-hero__proof div { display: flex; flex-direction: column; }
.pi-hero__proof strong { font-family: var(--font-display); font-size: 24px; }
.pi-hero__proof span { color: var(--muted); font-size: 13px; }

/* Signature element: live call card with animated waveform */
.pi-call-card {
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 24px;
	box-shadow: var(--shadow-glow);
}
.pi-call-card__top {
	display: flex;
	align-items: center;
	gap: 8px;
	font-family: var(--font-mono);
	font-size: 13px;
	color: var(--muted);
	margin-bottom: 20px;
}
.pi-live-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--accent-warm);
	box-shadow: 0 0 0 0 rgba(245, 166, 35, 0.6);
	animation: pi-pulse 1.6s infinite;
}
@keyframes pi-pulse {
	0% { box-shadow: 0 0 0 0 rgba(245, 166, 35, 0.5); }
	70% { box-shadow: 0 0 0 10px rgba(245, 166, 35, 0); }
	100% { box-shadow: 0 0 0 0 rgba(245, 166, 35, 0); }
}
.pi-waveform {
	display: flex;
	align-items: flex-end;
	gap: 3px;
	height: 56px;
	margin-bottom: 24px;
}
.pi-waveform span {
	flex: 1;
	background: var(--gradient);
	border-radius: 3px;
	animation: pi-wave 1.2s ease-in-out infinite;
	animation-delay: var(--d);
}
@keyframes pi-wave {
	0%, 100% { height: 20%; opacity: 0.5; }
	50% { height: 100%; opacity: 1; }
}
.pi-call-card__transcript p {
	font-size: 14px;
	color: var(--muted);
	margin: 0 0 12px;
	padding-left: 14px;
	border-left: 2px solid var(--border);
}
.pi-call-card__transcript p span {
	display: block;
	font-family: var(--font-mono);
	font-size: 11px;
	color: var(--accent-2);
	margin-bottom: 2px;
}
.pi-call-card__transcript p.is-ai { border-left-color: var(--accent-1); color: var(--text); }

@media (prefers-reduced-motion: reduce) {
	.pi-waveform span, .pi-live-dot { animation: none; }
}

/* ---------------- Sections ---------------- */
.pi-section { padding: 96px 0; }
.pi-section--alt { background: var(--bg-alt); }
.pi-section__title { font-size: clamp(28px, 3.6vw, 40px); max-width: 16ch; }
.pi-section__lede { color: var(--muted); font-size: 17px; max-width: 56ch; margin-bottom: 48px; }

/* ---------------- Grids & cards ---------------- */
.pi-grid { display: grid; gap: 24px; }
.pi-grid--4 { grid-template-columns: repeat(4, 1fr); }
.pi-grid--3 { grid-template-columns: repeat(3, 1fr); }
.pi-grid--5 { grid-template-columns: repeat(5, 1fr); }

.pi-card {
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 28px;
	transition: border-color 0.15s ease, transform 0.15s ease;
}
.pi-card:hover { border-color: var(--accent-1); transform: translateY(-3px); }
.pi-card__icon {
	width: 46px; height: 46px;
	display: flex; align-items: center; justify-content: center;
	border-radius: 12px;
	background: var(--panel-2);
	font-size: 20px;
	margin-bottom: 18px;
}
.pi-card h3 { font-size: 19px; margin-bottom: 8px; }
.pi-card p { color: var(--muted); font-size: 15px; margin: 0; }

.pi-industry {
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	padding: 22px 12px;
	text-align: center;
	font-weight: 600;
	font-size: 14px;
	display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.pi-industry span { font-size: 26px; }

/* ---------------- Demo ---------------- */
.pi-demo {
	display: grid;
	grid-template-columns: 0.9fr 1.1fr;
	gap: 48px;
	align-items: center;
}
.pi-video-frame {
	position: relative;
	width: 100%;
	padding-top: 56.25%;
	border-radius: var(--radius);
	overflow: hidden;
	border: 1px solid var(--border);
	background: var(--panel);
}
.pi-video-frame iframe {
	position: absolute; inset: 0; width: 100%; height: 100%; border: 0;
}

/* ---------------- Pricing ---------------- */
.pi-price-card {
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 32px 28px;
	display: flex;
	flex-direction: column;
	position: relative;
}
.pi-price-card--featured {
	border-color: var(--accent-1);
	background: linear-gradient(180deg, rgba(108, 92, 231, 0.12), var(--panel) 40%);
}
.pi-price-card__tag {
	position: absolute; top: -13px; left: 28px;
	background: var(--gradient);
	color: #0b0f1a;
	font-size: 12px;
	font-weight: 700;
	padding: 4px 12px;
	border-radius: 999px;
}
.pi-price-card h3 { font-size: 20px; margin-bottom: 4px; }
.pi-price { font-family: var(--font-display); font-size: 40px; margin: 8px 0; }
.pi-price span { font-size: 15px; color: var(--muted); font-family: var(--font-body); font-weight: 400; }
.pi-price-card__desc { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.pi-price-card ul { margin-bottom: 28px; flex-grow: 1; }
.pi-price-card li {
	font-size: 14px;
	padding: 8px 0;
	border-top: 1px solid var(--border);
	color: var(--text);
}
.pi-price-card li:first-child { border-top: none; }

/* ---------------- Testimonials ---------------- */
.pi-quote {
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 26px;
}
.pi-quote p { font-size: 15px; color: var(--text); margin: 0 0 16px; }
.pi-quote__author { color: var(--muted); font-size: 13px; font-family: var(--font-mono); }

/* ---------------- Contact ---------------- */
.pi-contact {
	display: grid;
	grid-template-columns: 0.8fr 1.2fr;
	gap: 56px;
}
.pi-form { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.pi-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pi-form__field { margin-bottom: 18px; display: flex; flex-direction: column; gap: 6px; }
.pi-form__field label { font-size: 13px; color: var(--muted); }
.pi-form__field input,
.pi-form__field textarea {
	background: var(--bg-alt);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	padding: 12px 14px;
	color: var(--text);
	font-family: var(--font-body);
	font-size: 15px;
	resize: vertical;
}
.pi-form__field input:focus,
.pi-form__field textarea:focus { border-color: var(--accent-2); outline: none; }
.pi-form__status { margin-top: 14px; font-size: 14px; color: var(--accent-2); min-height: 1.4em; }

/* ---------------- Footer ---------------- */
.pi-footer { border-top: 1px solid var(--border); padding: 64px 0 24px; background: var(--bg-alt); }
.pi-footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.pi-footer__brand p { color: var(--muted); font-size: 14px; max-width: 32ch; margin-top: 12px; }
.pi-footer__col { display: flex; flex-direction: column; gap: 10px; }
.pi-footer__col h4 { font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.pi-footer__col a { font-size: 14px; color: var(--text); }
.pi-footer__col a:hover { color: var(--accent-2); }
.pi-footer__muted { font-size: 13px; color: var(--muted); }
.pi-footer__bottom { border-top: 1px solid var(--border); padding-top: 20px; font-size: 13px; color: var(--muted); }

/* ---------------- Generic content pages ---------------- */
.pi-generic-content { padding: 96px 0; max-width: 760px; }
.pi-entry-content p { color: var(--muted); }

/* ---------------- Responsive ---------------- */
@media (max-width: 960px) {
	.pi-hero__inner { grid-template-columns: 1fr; }
	.pi-demo { grid-template-columns: 1fr; }
	.pi-contact { grid-template-columns: 1fr; }
	.pi-grid--4 { grid-template-columns: repeat(2, 1fr); }
	.pi-grid--3 { grid-template-columns: 1fr; }
	.pi-grid--5 { grid-template-columns: repeat(3, 1fr); }
	.pi-footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
	.pi-nav__links {
		position: absolute;
		top: 72px; left: 0; right: 0;
		background: var(--bg);
		border-bottom: 1px solid var(--border);
		flex-direction: column;
		align-items: stretch;
		padding: 16px 24px 24px;
		gap: 16px;
		display: none;
	}
	.pi-nav__links.is-open { display: flex; }
	.pi-nav__toggle { display: flex; }
	.pi-grid--4, .pi-grid--5 { grid-template-columns: repeat(2, 1fr); }
	.pi-form__row { grid-template-columns: 1fr; }
	.pi-footer__inner { grid-template-columns: 1fr; }
	.pi-hero { padding: 64px 0 56px; }
	.pi-section { padding: 64px 0; }
}