/*
Theme Name: CDISC
Theme URI: https://cdisctechnologies.in
Author: C-DISC Technologies Pvt. Ltd.
Description: Block theme for C-DISC Technologies, aligned with the PEN Foundation design language: deep ink and teal, tight sans headings, mono labels, rounded cards.
Version: 1.0.1
Requires at least: 6.5
Tested up to: 7.1
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: cdisc
*/

/* ---------- Base ---------- */
:root {
	--cd-ink: var(--wp--preset--color--ink);
	--cd-teal: var(--wp--preset--color--teal);
	--cd-teal-bright: var(--wp--preset--color--teal-bright);
	--cd-mist: var(--wp--preset--color--mist);
	--cd-grey: var(--wp--preset--color--grey);
	--cd-line: rgba(1, 44, 50, 0.12);
	--cd-gutter: clamp(1.5rem, 5.128vw, 6rem);
	--cd-ease: cubic-bezier(.19, 1, .22, 1);
	--cd-mono: var(--wp--preset--font-family--mono);
}

html { scroll-behavior: smooth; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img { max-width: 100%; height: auto; }
.wp-site-blocks > main { margin-block-start: 0; }
:where(.wp-site-blocks) > * { margin-block-start: 0; }

/* ---------- Typography helpers (match PEN scale) ---------- */
.cd-label {
	font-family: var(--cd-mono);
	font-size: .6875rem !important;
	letter-spacing: .18em;
	line-height: 1.4;
	text-transform: uppercase;
	font-weight: 500;
}
.cd-label--muted { color: var(--cd-grey); }
.cd-display {
	font-size: clamp(2.5rem, 4.688vw, 7.5rem) !important;
	line-height: 1 !important;
	letter-spacing: -0.03em !important;
	font-weight: 400 !important;
	text-wrap: balance;
}
.cd-lead {
	font-size: clamp(1rem, .8462rem + .6309vw, 1.25rem) !important;
	line-height: 1.46;
	letter-spacing: -.0125rem;
	color: color-mix(in srgb, currentColor 70%, transparent);
	max-width: 42rem;
	text-wrap: pretty;
}
.has-text-align-center.cd-lead, .cd-center .cd-lead { margin-inline: auto; }
.cd-muted { color: color-mix(in srgb, currentColor 70%, transparent); }
.cd-fine {
	font-family: var(--cd-mono);
	font-size: .6875rem !important;
	line-height: 1.6;
	color: var(--cd-grey);
	max-width: 48rem;
}

/* Text link with arrow, as on PEN: "Understand the engineering →" */
.cd-arrow-link a, a.cd-arrow-link {
	font-family: var(--cd-mono);
	font-size: .6875rem;
	letter-spacing: .18em;
	text-transform: uppercase;
	text-decoration: none;
	color: inherit;
	display: inline-flex;
	align-items: center;
	gap: .75rem;
	min-height: 2.75rem;
}
.cd-arrow-link a::after, a.cd-arrow-link::after {
	content: "";
	width: 2rem;
	height: 1px;
	background: currentColor;
	transition: width .5s var(--cd-ease);
}
.cd-arrow-link a:hover::after, a.cd-arrow-link:hover::after { width: 3.25rem; }
.cd-arrow-link a:hover { color: var(--cd-teal); }
.cd-on-dark .cd-arrow-link a:hover { color: var(--cd-teal-bright); }

/* ---------- Buttons ---------- */
.wp-block-button .wp-block-button__link {
	font-family: var(--cd-mono);
	font-size: .6875rem;
	letter-spacing: .18em;
	text-transform: uppercase;
	font-weight: 600;
	line-height: 1.5;
	transition: background-color .3s, color .3s, box-shadow .3s;
}
.wp-block-button.is-style-accent .wp-block-button__link {
	background: var(--cd-teal);
	color: #fff;
	border-radius: 999px;
	padding: 1.25rem 2.25rem;
}
.wp-block-button.is-style-accent .wp-block-button__link:hover { background: var(--cd-ink); }
.cd-on-dark .wp-block-button.is-style-accent .wp-block-button__link:hover { background: #fff; color: var(--cd-ink); }
.wp-block-button.is-style-glass .wp-block-button__link {
	background: rgba(255, 255, 255, .15);
	color: #fff;
	border-radius: .5rem;
	padding: 1.5rem 3rem;
	backdrop-filter: blur(8px);
}
.wp-block-button.is-style-glass .wp-block-button__link:hover { background: #fff; color: var(--cd-ink); }
.wp-block-button.is-style-card .wp-block-button__link {
	background: #fff;
	color: var(--cd-ink);
	border-radius: .75rem;
	padding: 1.25rem 1.5rem;
	box-shadow: inset 0 0 0 1px var(--cd-line);
}
.cd-card .wp-block-button.is-style-card,
.cd-card .wp-block-button.is-style-card .wp-block-button__link { width: 100%; }
.wp-block-button.is-style-card .wp-block-button__link:hover { background: var(--cd-ink); color: #fff; }

/* ---------- Header: floating pill (PEN) ---------- */
.cd-header {
	position: fixed;
	inset-inline: 0;
	top: 1rem;
	z-index: 50;
	display: flex;
	justify-content: center;
	padding-inline: 1rem;
	pointer-events: none;
}
.admin-bar .cd-header { top: calc(1rem + 32px); }
@media (max-width: 782px) { .admin-bar .cd-header { top: calc(1rem + 46px); } }
@media (min-width: 1024px) { .cd-header { top: 2rem; } .admin-bar .cd-header { top: calc(2rem + 32px); } }
.cd-header__bar {
	pointer-events: auto;
	width: 100%;
	max-width: 80rem;
	position: relative;
	isolation: isolate;
	border-radius: .75rem;
	padding: .5rem .5rem .5rem 1.25rem !important;
}
/* Glass layer lives on a pseudo-element: backdrop-filter on the bar itself
   would trap the full-screen mobile menu overlay inside the bar. */
.cd-header__bar::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	border-radius: inherit;
	background: rgba(1, 44, 50, .55);
	-webkit-backdrop-filter: blur(16px) saturate(140%);
	backdrop-filter: blur(16px) saturate(140%);
	border: 1px solid rgba(255, 255, 255, .12);
	transition: background-color .4s var(--cd-ease);
}
.cd-scrolled .cd-header__bar::before { background: rgba(1, 44, 50, .92); }
/* Logo (white PNG on dark) */
.cd-logo { margin: 0 !important; line-height: 0; }
.cd-logo a { display: inline-block; }
.cd-logo img { display: block; width: auto; max-width: none; }
.cd-header .cd-logo img { height: 46px; }
@media (min-width: 1024px) { .cd-header .cd-logo img { height: 52px; } }
.cd-header .wp-block-navigation { font-size: .875rem; font-weight: 500; gap: .25rem; color: #fff; }
.cd-header .wp-block-navigation .wp-block-navigation-item__content {
	color: rgba(255, 255, 255, .9);
	padding: .5rem .75rem !important;
	border-radius: .375rem;
	transition: color .2s;
}
.cd-header .wp-block-navigation-item__content:hover,
.cd-header .current-menu-item > .wp-block-navigation-item__content { color: var(--cd-teal-bright); }
.cd-header .wp-block-navigation__responsive-container-open,
.cd-header .wp-block-navigation__responsive-container-close { color: #fff; }
.cd-header .wp-block-navigation__responsive-container-open {
	width: 2.75rem; height: 2.75rem;
	border: 1px solid rgba(255, 255, 255, .2);
	border-radius: .5rem;
	align-items: center; justify-content: center;
}
.cd-header .wp-block-navigation__responsive-container.is-menu-open {
	background: var(--cd-ink) !important;
	color: #fff !important;
	padding: 2rem var(--cd-gutter);
}
.cd-header .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item__content {
	font-size: 2rem; letter-spacing: -.03em; padding: .25rem 0 !important;
}
.cd-header .wp-block-button .wp-block-button__link {
	background: var(--cd-ink);
	color: #fff;
	box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .2);
	border-radius: .5rem;
	padding: .9rem 1.75rem;
	white-space: nowrap;
}
.cd-header .wp-block-button .wp-block-button__link:hover { background: var(--cd-teal); }
@media (max-width: 781px) { .cd-header .wp-block-buttons { display: none; } }

/* ---------- Sections ---------- */
.cd-section {
	padding-block: clamp(4rem, 9vw, 10rem) !important;
	padding-inline: var(--cd-gutter) !important;
}
.cd-section--tight { padding-block: clamp(3rem, 6vw, 6rem) !important; }
.cd-on-dark { background: var(--cd-ink); color: #fff; }
.cd-on-dark .cd-label--muted, .cd-on-dark .cd-fine { color: rgba(255, 255, 255, .55); }
.cd-mist { background: var(--cd-mist); }
.cd-wrap { max-width: 80rem; margin-inline: auto !important; width: 100%; }
.cd-stack-sm > * + * { margin-block-start: 1.5rem !important; }

/* Hero (full-screen cover with scrim) */
.cd-hero.wp-block-cover {
	min-height: 100svh !important;
	padding: 0 var(--cd-gutter) clamp(3.75rem, 8vw, 8.5rem) !important;
	align-items: flex-end;
}
.cd-hero .wp-block-cover__background {
	background: linear-gradient(to top, rgba(0,0,0,.72) 0%, rgba(0,0,0,.5) 30%, rgba(0,0,0,.3) 55%, rgba(0,0,0,.1) 80%, rgba(0,0,0,0) 95%) !important;
	opacity: 1 !important;
}
.cd-hero .wp-block-cover__inner-container { max-width: 80rem; margin-inline: auto; width: 100%; }
.cd-hero h1 {
	font-size: clamp(2.75rem, 5.729vw, 9rem) !important;
	line-height: .95 !important;
	letter-spacing: -0.035em !important;
	font-weight: 400 !important;
	max-width: 16ch;
	text-wrap: balance;
}
.cd-hero h1 em { font-style: normal; color: var(--cd-teal-bright); }
.cd-hero .cd-lead { color: rgba(255, 255, 255, .8); }
.cd-scroll-cue {
	font-family: var(--cd-mono);
	font-size: .6875rem;
	letter-spacing: .18em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, .7);
	display: flex; align-items: center; gap: .75rem;
}
.cd-scroll-cue::before {
	content: ""; width: 1px; height: 2.5rem; background: currentColor;
	animation: cd-cue 2.4s var(--cd-ease) infinite;
	transform-origin: top;
}
@keyframes cd-cue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* Inner-page hero (compact, dark) */
.cd-page-hero {
	background: var(--cd-ink);
	color: #fff;
	padding: clamp(9rem, 16vw, 15rem) var(--cd-gutter) clamp(3.5rem, 7vw, 7rem) !important;
	position: relative;
	overflow: hidden;
}
.cd-page-hero::after {
	content: "";
	position: absolute;
	right: -10vw; top: -20vw;
	width: 55vw; height: 55vw;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(47, 183, 196, .22), rgba(47, 183, 196, 0) 65%);
	pointer-events: none;
}
.cd-page-hero > * { position: relative; z-index: 1; }
.cd-page-hero .cd-label { color: var(--cd-teal-bright); }

/* Statement band: big centred line on ink */
.cd-statement { text-align: center; }
.cd-statement .cd-display { max-width: 22ch; margin-inline: auto; }
.cd-statement em { font-style: normal; color: var(--cd-teal-bright); }

/* Cards (PEN rounded "dirty-white" cards) */
.cd-cards { gap: clamp(1rem, 1.875vw, 1.875rem) !important; }
.cd-card {
	background: var(--cd-mist);
	border-radius: 1rem;
	padding: clamp(2rem, 2.6vw, 2.5rem) !important;
	display: flex;
	flex-direction: column;
	height: 100%;
}
.cd-card .cd-card__num {
	font-family: var(--cd-mono);
	font-size: .6875rem;
	letter-spacing: .18em;
	color: var(--cd-grey);
	text-transform: uppercase;
	display: flex; align-items: center; gap: .75rem;
	margin: 0;
}
.cd-card .cd-card__num::after { content: ""; flex: 0 0 1.5rem; height: 1px; background: currentColor; opacity: .5; }
.cd-card h3 { margin-block-start: 1.5rem !important; font-weight: 450; }
.cd-card p:not(.cd-card__num) { color: color-mix(in srgb, var(--cd-ink) 70%, transparent); }
.cd-card .wp-block-buttons { margin-top: auto !important; padding-top: 2rem; }
.cd-card .wp-block-image { margin: 1.75rem 0 0; border-radius: .75rem; overflow: hidden; }
.cd-card .wp-block-image img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.wp-block-column > .cd-card { height: 100%; }

/* Notched info tiles (PEN applications grid) */
.cd-notch {
	background: var(--cd-mist);
	clip-path: polygon(0 18px, 18px 0, 100% 0, 100% 100%, 0 100%);
	padding: 2rem 1.75rem 1.75rem !important;
	height: 100%;
}
.cd-notch p:last-child { color: color-mix(in srgb, var(--cd-ink) 70%, transparent); }
.cd-notch a { color: inherit; text-decoration-color: var(--cd-teal); text-underline-offset: 4px; }
.cd-notch a:hover { color: var(--cd-teal); }

/* Stats row */
.cd-stats { border-top: 1px solid rgba(255, 255, 255, .15); padding-top: 2rem; gap: 2rem !important; }
.cd-stat-value { font-size: clamp(2rem, 2.396vw, 3.8rem) !important; line-height: 1 !important; letter-spacing: -.03em; font-weight: 450; margin: 0 0 .75rem; }

/* Service rows (alternating) */
.cd-service { border-top: 1px solid var(--cd-line); padding-block: clamp(2.5rem, 5vw, 5rem) !important; gap: clamp(2rem, 4vw, 4rem) !important; align-items: center !important; }
.cd-service:last-child { border-bottom: 1px solid var(--cd-line); }
.cd-service .wp-block-image { margin: 0; border-radius: 1rem; overflow: hidden; }
.cd-service .wp-block-image img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; display: block; }
@media (min-width: 782px) { .cd-service.is-flipped { flex-direction: row-reverse; } }

/* Media frame */
.cd-frame { border-radius: 1rem; overflow: hidden; }
.cd-frame img { display: block; width: 100%; }
.cd-frame--white { background: #fff; padding: clamp(1rem, 3vw, 2.5rem); }

/* Logo marquee (supported by) */
.cd-marquee {
	overflow: hidden;
	-webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
	mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
	margin-top: 3.5rem;
}
.cd-marquee__track {
	display: flex;
	gap: clamp(2.5rem, 5vw, 5rem);
	width: max-content;
	align-items: center;
	animation: cd-marquee 45s linear infinite;
}
.cd-marquee:hover .cd-marquee__track { animation-play-state: paused; }
.cd-marquee img {
	height: clamp(3rem, 5vw, 4.5rem);
	width: auto;
	max-width: 11rem;
	object-fit: contain;
	mix-blend-mode: multiply;
	filter: grayscale(1);
	opacity: .75;
	transition: filter .3s, opacity .3s;
}
.cd-marquee img:hover { filter: none; opacity: 1; }
@keyframes cd-marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
	.cd-marquee__track { animation: none; flex-wrap: wrap; justify-content: center; width: auto; }
	.cd-scroll-cue::before { animation: none; }
}

/* Contact */
.cd-contact-list { list-style: none; padding: 0; margin: 0; }
.cd-contact-list li { border-top: 1px solid var(--cd-line); padding: 1.5rem 0; display: grid; grid-template-columns: minmax(7rem, 11rem) 1fr; gap: 1.5rem; }
.cd-contact-list li:last-child { border-bottom: 1px solid var(--cd-line); }
.cd-contact-list .cd-label { color: var(--cd-grey); padding-top: .4rem; }
.cd-contact-list a { color: inherit; text-decoration: none; }
.cd-contact-list a:hover { color: var(--cd-teal); }
.cd-contact-list p { margin: 0; font-size: 1.125rem; line-height: 1.5; }
@media (max-width: 600px) { .cd-contact-list li { grid-template-columns: 1fr; gap: .5rem; } }
.cd-map iframe { width: 100%; height: 100%; min-height: 26rem; border: 0; border-radius: 1rem; display: block; filter: grayscale(.4) contrast(1.05); }
.cd-socials { display: flex; flex-wrap: wrap; gap: .5rem; }
.cd-socials a {
	font-family: var(--cd-mono); font-size: .6875rem; letter-spacing: .18em; text-transform: uppercase;
	border: 1px solid var(--cd-line); border-radius: .5rem; padding: .9rem 1.1rem; color: inherit; text-decoration: none;
	transition: border-color .2s, color .2s;
}
.cd-socials a:hover { border-color: var(--cd-teal); color: var(--cd-teal); }

/* ---------- Footer (PEN) ---------- */
.cd-footer {
	background: var(--cd-ink);
	color: #fff;
	padding: clamp(5rem, 14vw, 14rem) var(--cd-gutter) 1.5rem !important;
	overflow: hidden;
}
.cd-footer a { color: #fff; text-decoration: none; transition: color .2s; }
.cd-footer a:hover { color: var(--cd-teal-bright); }
.cd-footer__mark { margin: 0 0 2.5rem !important; display: flex; justify-content: center; }
.cd-footer__mark .cd-logo img { width: clamp(16rem, 38vw, 34rem); height: auto; }
.cd-footer__intro { color: rgba(255, 255, 255, .7); max-width: 46ch; margin-inline: auto !important; text-align: center; }
.cd-footer__cols { border-top: 1px solid rgba(255, 255, 255, .15); padding-top: 3rem; margin-top: clamp(4rem, 9vw, 9rem) !important; gap: 2.5rem !important; }
.cd-footer .cd-label { color: rgba(255, 255, 255, .55); margin-bottom: 1.25rem; }
.cd-footer__list { list-style: none; padding: 0; margin: 0; font-size: clamp(1rem, .85rem + .63vw, 1.25rem); line-height: 1.46; }
.cd-footer__list li { padding-block: .375rem; }
.cd-footer__base { border-top: 1px solid rgba(255, 255, 255, .15); margin-top: 4rem !important; padding-top: 1.25rem; font-family: var(--cd-mono); font-size: .6875rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255, 255, 255, .5); }
.cd-footer__base p { margin: 0; }

/* ---------- Blog ---------- */
.cd-post-grid .wp-block-post { background: var(--cd-mist); border-radius: 1rem; overflow: hidden; display: flex; flex-direction: column; }
.cd-post-grid .wp-block-post-featured-image { margin: 0; }
.cd-post-grid .wp-block-post-featured-image img { aspect-ratio: 16 / 10; object-fit: cover; }
.cd-post-grid .cd-post-body { padding: 2rem !important; }
.cd-post-grid .wp-block-post-title a { color: inherit; text-decoration: none; }
.cd-post-grid .wp-block-post-title a:hover { color: var(--cd-teal); }
.cd-prose { max-width: 46rem; margin-inline: auto !important; }
.cd-prose > * + * { margin-block-start: 1.25em; }
.wp-block-query-pagination a { font-family: var(--cd-mono); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; }

/* ---------- Reveal on scroll ---------- */
@media (prefers-reduced-motion: no-preference) {
	.cd-js .cd-reveal { opacity: 0; transform: translateY(24px); transition: opacity 1s var(--cd-ease), transform 1s var(--cd-ease); }
	.cd-js .cd-reveal.is-in { opacity: 1; transform: none; }
}

/* Small-screen niceties */
@media (max-width: 781px) {
	.cd-hero h1 { max-width: none; }
}

/* ---------- About: principles + people ---------- */
.cd-principles { margin-top: clamp(2.5rem, 5vw, 4.5rem) !important; gap: 0 !important; border-top: 1px solid rgba(255, 255, 255, .15); }
.cd-principle { padding: 2rem 2rem 2rem 0 !important; border-bottom: 1px solid rgba(255, 255, 255, .15); }
.cd-principle h3 { margin-block: 1.5rem .75rem !important; }
.cd-people { margin-top: clamp(2rem, 4vw, 3.5rem) !important; gap: clamp(1rem, 1.5vw, 1.5rem) !important; }
.cd-person .cd-person__name { font-size: 1.375rem !important; line-height: 1.2; letter-spacing: -.015em; font-weight: 500; margin: 0 0 .5rem; }
.cd-person .cd-person__role { font-size: 1rem; line-height: 1.45; margin: 0; }
.cd-person .cd-fine { margin-top: 1rem; }
.cd-marquee__track { padding-right: clamp(2.5rem, 5vw, 5rem); }

/* Two white sections in a row: don't double the vertical gap */
.cd-section:not(.cd-on-dark):not(.cd-mist) + .cd-section:not(.cd-on-dark):not(.cd-mist) { padding-top: 0 !important; }
.cd-header .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__responsive-container-content,
.cd-header .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__container { align-items: flex-start !important; }