/*
Theme Name: Interior Conception
Theme URI: https://interiorconception.com
Author: Antigravity
Description: A bespoke, highly editorial custom theme for Interior Conception. Image-led. Architectural. Minimal.
Version: 1.0.0
Text Domain: interiorconception
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
	/* Colors — overridden by ACF theme color output in <head> */
	--color-bg:      #F7F5F2;
	--color-text:    #777270;
	--color-accent:  #8B7355;
	--color-muted:   #777270;
	--color-border:  #D8D4CF;

	/* Typography */
	--font-serif: 'Cormorant Garamond', Georgia, serif;
	--font-sans:  'Hanken Grotesk', 'Suisse Int\'l', 'Neue Haas Grotesk Display Pro', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

	/* Layout */
	--container-pad: clamp(2rem, 7.5vw, 7.5rem); /* scales from 32px → 120px */
	--header-height: 5rem;

	/* Transitions */
	--transition-fade:  opacity 0.4s ease;
	--transition-scale: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html {
	font-size: 16px;
	scroll-behavior: smooth;
	-webkit-text-size-adjust: 100%;
	margin: 0 !important;
	padding: 0 !important;
	background-color: var(--color-bg);
	scrollbar-gutter: stable; /* Prevents layout shift when scrollbar appears/disappears between pages */
}

.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

body {
	margin: 0 !important;
	padding: 0 !important;
	background-color: var(--color-bg);
	color: var(--color-text);
	font-family: var(--font-sans) !important;
	width: 100% !important;
	height: 100% !important;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

#primary {
	margin: 0;
	padding: 0;
}

h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 400; font-family: var(--font-serif); }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; margin: 0; }
img, video { display: block; max-width: 100%; height: auto; }
button { cursor: pointer; border: none; background: none; padding: 0; font: inherit; color: inherit; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	padding: 1.5rem var(--container-pad);
	pointer-events: none;
	/* Luxury Slow-Motion Transition: Very long durations to ensure zero 'popping' */
	transition: 
		transform 1.0s cubic-bezier(0.2, 1, 0.2, 1),
		padding 1.0s cubic-bezier(0.2, 1, 0.2, 1),
		width 1.0s cubic-bezier(0.2, 1, 0.2, 1),
		margin 1.0s cubic-bezier(0.2, 1, 0.2, 1),
		border-radius 1.0s cubic-bezier(0.2, 1, 0.2, 1),
		background 1.3s cubic-bezier(0.2, 1, 0.2, 1),
		box-shadow 1.3s cubic-bezier(0.2, 1, 0.2, 1);
}

/* Hidden state (scrolling down) */
.site-header.is-scrolled {
	transform: translateY(-100%);
	pointer-events: none;
}

/* Revealed state (scrolling up) */
.site-header.is-scrolled.is-visible {
	transform: translateY(0); /* Locked to top as requested */
	margin: 0 1.5rem;
	width: calc(100% - 3rem); /* Slightly larger side gap for a clearer 'pill' look */
	border-radius: 0 0 4px 4px; /* Only round the bottom corners if sticking to top */
	pointer-events: auto;
	background: var(--color-bg);
	box-shadow: 0 10px 40px rgba(0,0,0,0.06);
	padding: 0.75rem var(--container-pad);
	transition:
		transform 0.8s cubic-bezier(0.2, 1, 0.2, 1),
		padding 0.8s cubic-bezier(0.2, 1, 0.2, 1),
		width 0.8s cubic-bezier(0.2, 1, 0.2, 1),
		margin 0.8s cubic-bezier(0.2, 1, 0.2, 1),
		border-radius 0.8s cubic-bezier(0.2, 1, 0.2, 1),
		background 0.5s ease;
}

/* Force dark text when sticky background is active — clear shadow too */
.site-header.is-visible .site-header__logo-text,
.site-header.is-visible .site-header__menu li a,
.site-header.is-visible .site-header__social-link,
.site-header.is-visible .site-header__hamburger {
	color: var(--color-text) !important;
	text-shadow: none !important;
}

/* Keep hamburger white when menu is open, regardless of scroll state */
.site-header.menu-is-open .site-header__hamburger {
	color: #fff !important;
}

/* Logo scales down slightly when sticky */
.site-header.is-scrolled.is-visible .site-header__logo-img {
	height: 3.5rem; /* Slower, sleeker size for the sticky bar */
}

/* Invert white logo to dark when the pill background is showing */
.site-header.is-scrolled.is-visible .site-header__logo-img--light {
	filter: invert(1);
}

/* Re-enable pointer events on interactive elements */
.site-header__logo,
.site-header__nav,
.site-header__social { pointer-events: auto; }

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 2rem;
}

/* ── Logo ── */
.site-header__logo a {
	display: flex;
	align-items: center;
}

.site-header__logo-img {
	height: 4rem; /* Reduced from 6rem to match the sticky state much closer */
	width: auto;
	display: block;
	transition: height 0.8s cubic-bezier(0.2, 1, 0.2, 1);
}

/* Dark/light logo switching */
.site-header__logo-img--dark  { display: none; }
.site-header__logo-img--light { display: block; }

/* Dark theme: show dark logo */
.site-header[data-theme="dark"] .site-header__logo-img--dark  { display: block; }

/* Dark theme + dark logo exists → hide light logo */
.site-header[data-theme="dark"]:has(.site-header__logo-img--dark) .site-header__logo-img--light { display: none; }

/* Dark theme + NO dark logo uploaded → invert light logo (white → black) */
.site-header[data-theme="dark"]:not(:has(.site-header__logo-img--dark)) .site-header__logo-img--light { filter: invert(1); }

.site-header__logo-text {
	font-family: var(--font-sans);
	font-size: 1.5rem;
	font-weight: 400;
	letter-spacing: 0.22em;
	text-transform: uppercase;
}

/* ── Navigation ── */
.site-header__menu {
	display: flex;
	align-items: center;
	gap: 2.25rem;
}

.site-header__menu li a {
	font-family: var(--font-sans);
	font-size: 0.75rem;
	font-weight: 400;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	transition: var(--transition-fade);
}

.site-header__menu li a:hover { opacity: 0.5; }

/* ── Responsive ───────────────────────────────────────────── */
.site-header__social {
	display: flex;
	align-items: center;
	gap: 1.25rem;
}

.site-header__social-link {
	display: flex;
	align-items: center;
	transition: var(--transition-fade);
}

.site-header__social-link:hover { opacity: 0.5; }

.site-header__social-link svg {
	width: 1rem;
	height: 1rem;
}

/* ── Color: light theme (default — white text over dark hero) ── */
.site-header[data-theme="light"] .site-header__logo-text,
.site-header[data-theme="light"] .site-header__menu li a,
.site-header[data-theme="light"] .site-header__social-link { color: #fff; }

/* ── Color: dark theme (dark text over light pages) ── */
.site-header[data-theme="dark"] .site-header__logo-text,
.site-header[data-theme="dark"] .site-header__menu li a,
.site-header[data-theme="dark"] .site-header__social-link { color: var(--color-text); }


/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
	padding: 2.5rem var(--container-pad);
	border-top: 1px solid var(--color-border);
	position: relative;
	z-index: 10;
	background: var(--color-bg); /* Solid background to cover the hero */
}

.site-footer__center {
	text-align: center;
	display: flex;
	justify-content: center;
}

.site-footer__right {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: 2rem;
}

.site-footer__inner {
	display: grid;
	grid-template-columns: 1fr auto 1fr;
	align-items: center;
	gap: 2rem;
}

@media (max-width: 768px) {
	.site-footer__inner {
		grid-template-columns: 1fr;
		text-align: center;
		gap: 1.5rem;
	}
	.site-footer__right {
		justify-content: center;
		flex-direction: column;
		gap: 1rem;
	}
	.site-footer__left { display: none; }
}

.site-footer__back-link {
	font-family: var(--font-sans);
	font-size: 0.65rem;
	letter-spacing: 0.25em;
	text-transform: uppercase;
	color: var(--color-text);
	display: flex;
	align-items: center;
	gap: 1.5rem;
	transition: var(--transition-fade);
}

.site-footer__back-link::before {
	content: '';
	width: 40px;
	height: 1px;
	background: var(--color-text);
	opacity: 0.3;
}

.site-footer__back-link:hover { opacity: 0.5; }

/* When centred in footer, drop the decorative line so text sits cleanly centred */
.site-footer__center .site-footer__back-link {
	justify-content: center;
}
.site-footer__center .site-footer__back-link::before {
	display: none;
}

/* ── Project Modules ─────────────────────────────────────── */
.ic-module {
	margin-bottom: 0; /* Relying on module padding for spacing */
}

.project-text-block {
	padding: 4rem 0;
	text-align: center;
}

.project-further-description {
	padding: 4.5rem 0 3rem; /* More breathing room for narrative block */
	background: var(--color-bg);
}

.project-text-block__title {
	font-family: var(--font-serif);
	font-size: 1.5rem;
	font-weight: 400;
	margin-bottom: 1rem;
	color: var(--color-text);
	max-width: 62ch;
	margin-left: calc(55% + 2rem); /* Align with info block above */
}

.project-intro__description {
	font-family: var(--font-sans) !important;
	font-size: 0.85rem;
	font-weight: 400;
	line-height: 1.4;
	color: #1a1a1a !important;
	opacity: 0.8; /* Subtle hierarchy for summary */
}

.project-text-block__content {
	font-family: var(--font-sans) !important;
	font-size: 0.85rem;
	font-weight: 400;
	line-height: 1.6;
	color: #1a1a1a !important;
	opacity: 1; /* Darker/Full opacity for narrative */
	max-width: 62ch;
	margin-left: calc(55% + 2rem); /* Align with info block above */
	text-align: left;
}

.project-text-block__content p {
	margin-bottom: 1.5rem;
}

.ic-container--narrow {
	max-width: 900px;
	margin: 0 auto;
	padding: 0 var(--container-pad);
}

@media (max-width: 768px) {
	.project-text-block__title { font-size: 1.5rem; }
	.project-text-block__content {
		font-size: 0.875rem;
		margin-left: 0;
		margin-right: 0;
		max-width: 100%;
	}
	.ic-module { margin-bottom: 0; }
}

/* ── Floating Back to Top ────────────────────────────────── */
.back-to-top {
	position: fixed;
	bottom: 2rem;
	left: 2rem;
	z-index: 999;
	width: 40px;
	height: 40px;
	background: var(--color-bg);
	color: var(--color-text);
	border: 1px solid var(--color-border);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.25rem;
	cursor: pointer;
	opacity: 0;
	visibility: hidden;
	transform: translateY(10px);
	transition: all 0.4s ease;
}

.back-to-top.is-visible {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.back-to-top:hover {
	background: var(--color-text);
	color: #fff;
}

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
	padding: 2rem var(--container-pad);
	background-color: var(--color-bg);
	border-top: 1px solid var(--color-border);
	position: relative;
	z-index: 10;
}

.site-footer__top {
	text-align: center;
}

.site-footer__top-link {
	font-family: var(--font-sans);
	font-size: 1.25rem; /* Larger for the single arrow */
	color: var(--color-text);
	font-weight: 400;
	transition: var(--transition-fade);
	background: var(--color-bg);
	width: 40px;
	height: 40px;
	line-height: 38px;
	text-align: center;
	border: 1px solid var(--color-border);
	border-radius: 0;
	display: inline-block;
	pointer-events: auto; /* Essential: clickable even if parent is none */
}
.site-footer__top-link:hover { opacity: 0.5; }

.site-footer__nav .site-footer__menu {
	display: flex;
	gap: 2rem;
	flex-wrap: wrap;
	justify-content: center;
}

.site-footer__menu a {
	font-family: var(--font-sans);
	font-size: 0.625rem;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	color: var(--color-muted);
	transition: var(--transition-fade);
}

.site-footer__menu a:hover { color: var(--color-text); }

.site-footer__social {
	display: flex;
	align-items: center;
	gap: 1.25rem;
}

.site-footer__social-link {
	display: flex;
	align-items: center;
	color: var(--color-muted);
	transition: var(--transition-fade);
}

.site-footer__social-link:hover { color: var(--color-text); }
.site-footer__social-link svg { width: 1rem; height: 1rem; }

/* ── Transparent footer variant (homepage) ── */
.site-footer--transparent {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	border-top: none;
	background: transparent;
}

/* Hide brand, nav, center link, and copyright on the homepage footer; only show social links */
.site-footer--transparent .site-footer__brand,
.site-footer--transparent .site-footer__nav,
.site-footer--transparent .site-footer__center,
.site-footer--transparent .site-footer__copyright {
	display: none;
}

.site-footer--transparent .site-footer__inner {
	display: flex;
	justify-content: flex-end;
}

.site-footer__top {
	flex: 1;
	text-align: center;
}


.site-footer--transparent .site-footer__social-link {
	color: rgba(255, 255, 255, 0.6);
	font-family: var(--font-sans);
	font-size: 0.65rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
}

.site-footer--transparent .site-footer__social-link:hover {
	color: #fff;
}

/* ── Reveal footer variant (Disabled) ── */
.site-footer--reveal {
	background: var(--color-bg);
	border-top: 1px solid var(--color-border);
}

.site-footer__copyright {
	font-family: var(--font-sans);
	font-size: 0.65rem;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--color-text);
}

/* ============================================================
   COMMON LAYOUT
   ============================================================ */

/* Content container — used on all page templates below the hero */
.ic-container {
	max-width: 1600px;
	margin: 0 auto;
	padding-left: var(--container-pad);
	padding-right: var(--container-pad);
}

/* Full-viewport hero wrapper */
.ic-hero {
	position: relative;
	width: 100%;
	height: 100vh;
	overflow: hidden;
}

/* ============================================================
   MOBILE MENU
   ============================================================ */

/* ── Hamburger button ─────────────────────────────────────── */
.site-header__hamburger {
	display: none;
	background: none;
	border: none;
	cursor: pointer;
	padding: 0.5rem;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 6px;
	width: 40px;
	height: 40px;
	pointer-events: auto;
}

.site-header__hamburger-line {
	display: block;
	width: 22px;
	height: 1px;
	background: currentColor;
	transition: transform 0.35s ease, opacity 0.35s ease;
	transform-origin: center;
}

/* Hamburger → X when menu is open */
.site-header.menu-is-open .site-header__hamburger-line:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}
.site-header.menu-is-open .site-header__hamburger-line:nth-child(2) {
	opacity: 0;
	transform: scaleX(0);
}
.site-header.menu-is-open .site-header__hamburger-line:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* Hamburger color inherits header theme */
.site-header[data-theme="light"] .site-header__hamburger { color: #fff; }
.site-header[data-theme="dark"]  .site-header__hamburger { color: var(--color-text); }

/* When overlay is open, force white regardless of page theme */
.site-header.menu-is-open .site-header__hamburger { color: #fff; }
.site-header.menu-is-open .site-header__logo-img--dark  { display: none !important; }
.site-header.menu-is-open .site-header__logo-img--light {
	display: block !important;
	filter: none !important; /* Remove dark-theme invert so logo stays white over overlay */
}

/* ── Mobile nav overlay ───────────────────────────────────── */
.site-mobile-nav {
	position: fixed;
	inset: 0;
	z-index: 999;
	background: #191919;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.4s ease, visibility 0.4s ease;
}

.site-mobile-nav.is-open {
	opacity: 1;
	visibility: visible;
}

.site-mobile-nav__menu {
	list-style: none;
	margin: 0;
	padding: 0;
	text-align: center;
	display: flex;
	flex-direction: column;
	gap: 2.5rem;
}

.site-mobile-nav__menu li a {
	font-family: var(--font-sans);
	font-size: 1rem;
	font-weight: 200;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: #fff;
	text-decoration: none;
	transition: opacity 0.2s ease;
	display: block;
}

.site-mobile-nav__menu li a:hover,
.site-mobile-nav__menu .current-menu-item a {
	opacity: 0.45;
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */
@media ( max-width: 1024px ) {
	.site-header__social { display: none; }
}

@media ( max-width: 768px ) {
	.site-header__nav     { display: none; }
	.site-header__hamburger { display: flex; }

	/*
	 * On mobile the header is transparent when at the top of the page.
	 * Give the hamburger a frosted-glass circle so it stays readable over
	 * any image or background — light or dark.
	 * Excluded: when the sticky pill is showing (is-visible) or the
	 * overlay is open (menu-is-open), both of which have their own color rules.
	 */
	.site-header:not(.is-visible):not(.menu-is-open) .site-header__hamburger {
		background: rgba(0, 0, 0, 0.22);
		backdrop-filter: blur(8px);
		-webkit-backdrop-filter: blur(8px);
		border-radius: 50%;
		color: #fff !important;
	}

	.site-footer__inner {
		flex-direction: column;
		align-items: flex-start;
		gap: 1.5rem;
	}
}

/* ============================================================
   PROJECT NAVIGATION
   ============================================================ */
.project-navigation {
	padding: 2rem var(--container-pad);
	border-top: 1px solid var(--color-border);
	background-color: var(--color-bg);
}

.project-navigation__inner {
	display: flex;
	justify-content: space-between;
	align-items: center; /* Center-aligned for a tighter look */
	gap: 4rem;
}

.project-navigation__col {
	flex: 1;
}

.project-navigation__col--next {
	text-align: right;
}

.project-navigation__link {
	display: flex;
	flex-direction: column;
	gap: 0.5rem; /* Tightened gap between label and title */
	transition: var(--transition-fade);
}

.project-navigation__link:hover {
	opacity: 0.6;
}

.project-navigation__label {
	font-family: var(--font-sans);
	font-size: 0.625rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--color-muted);
}

.project-navigation__title {
	font-family: var(--font-sans);
	font-size: clamp(1.25rem, 3vw, 2.25rem); /* Slightly smaller for better balance */
	font-weight: 100;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	line-height: 1.1;
	color: var(--color-text);
}

@media (max-width: 768px) {
	.project-navigation {
		padding: 5rem var(--container-pad);
	}
	.project-navigation__inner {
		flex-direction: column;
		gap: 4rem;
	}
	.project-navigation__col--next {
		text-align: left;
	}
}
