/* =============================================================
   Luminary AI — Front-End Styles
   Version: 1.0.0
   ============================================================= */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
	--lai-accent:      #C8A96E;
	--lai-accent-dark: #A0854A;
	--lai-bg:          #080808;
	--lai-text:        #f0ede8;
	--lai-surface:     #111111;
	--lai-border:      rgba(200,169,110,.15);
	--lai-radius:      6px;
	--lai-trans:       0.3s ease;
	--lai-container:   1200px;
	--lai-header-h:    72px;
	--font-display:    'Cormorant Garamond', Georgia, serif;
	--font-body:       'DM Sans', system-ui, sans-serif;
}

html {
	font-size: 16px;
	scroll-behavior: smooth;
	-webkit-font-smoothing: antialiased;
}

body {
	font-family: var(--font-body);
	background: var(--lai-bg);
	color: var(--lai-text);
	line-height: 1.7;
	overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: var(--lai-accent); text-decoration: none; transition: opacity var(--lai-trans); }
a:hover { opacity: 0.8; }

/* ---- Container ---- */
.lai-container {
	max-width: var(--lai-container);
	margin: 0 auto;
	padding: 0 24px;
}

/* ---- Eyebrow ---- */
.lai-eyebrow {
	font-family: var(--font-body);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--lai-accent);
	margin-bottom: 1rem;
}

/* ---- Section Header ---- */
.lai-section-header {
	text-align: center;
	margin-bottom: 4rem;
}
.lai-section-title {
	font-family: var(--font-display);
	font-size: clamp(2rem, 4vw, 3.2rem);
	font-weight: 300;
	letter-spacing: -0.02em;
	color: var(--lai-text);
	line-height: 1.15;
}

/* ---- Buttons ---- */
.lai-btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: var(--font-body);
	font-size: 0.875rem;
	font-weight: 500;
	letter-spacing: 0.04em;
	padding: 14px 28px;
	border-radius: var(--lai-radius);
	border: 1px solid transparent;
	cursor: pointer;
	transition: all var(--lai-trans);
	text-decoration: none;
	white-space: nowrap;
}
.lai-btn--primary {
	background: var(--lai-accent);
	color: #080808;
	border-color: var(--lai-accent);
}
.lai-btn--primary:hover {
	background: var(--lai-accent-dark);
	border-color: var(--lai-accent-dark);
	opacity: 1;
	transform: translateY(-1px);
	box-shadow: 0 8px 24px rgba(200,169,110,.25);
}
.lai-btn--ghost {
	background: transparent;
	color: var(--lai-text);
	border-color: rgba(240,237,232,.25);
}
.lai-btn--ghost:hover {
	border-color: var(--lai-accent);
	color: var(--lai-accent);
	opacity: 1;
}
.lai-btn--outline {
	background: transparent;
	color: var(--lai-accent);
	border-color: var(--lai-accent);
}
.lai-btn--outline:hover {
	background: var(--lai-accent);
	color: #080808;
	opacity: 1;
}
.lai-btn--sm  { padding: 10px 20px; font-size: 0.8125rem; }
.lai-btn--lg  { padding: 18px 40px; font-size: 1rem; }


/* =============================================================
   HEADER
   ============================================================= */
.lai-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	height: var(--lai-header-h);
	display: flex;
	align-items: center;
	transition: background var(--lai-trans), backdrop-filter var(--lai-trans);
}
.lai-header.is-scrolled {
	background: rgba(8,8,8,.92);
	backdrop-filter: blur(16px);
	border-bottom: 1px solid var(--lai-border);
}
.lai-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
}
.lai-header__brand { flex-shrink: 0; }
.lai-header__wordmark {
	font-family: var(--font-display);
	font-size: 1.5rem;
	font-weight: 500;
	color: var(--lai-text);
	letter-spacing: -0.02em;
}
.lai-header__brand .custom-logo { height: 40px; width: auto; }

/* Nav */
.lai-nav { display: flex; align-items: center; }
.lai-nav__list {
	list-style: none;
	display: flex;
	align-items: center;
	gap: 2rem;
	margin: 0; padding: 0;
}
.lai-nav__item { position: relative; }
.lai-nav__link {
	font-family: var(--font-body);
	font-size: 0.875rem;
	font-weight: 400;
	color: rgba(240,237,232,.75);
	letter-spacing: 0.02em;
	transition: color var(--lai-trans);
}
.lai-nav__link:hover,
.lai-nav__link:focus { color: var(--lai-text); opacity: 1; }

/* Mobile toggle */
.lai-nav-toggle {
	display: none;
	flex-direction: column;
	gap: 5px;
	width: 28px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 4px;
}
.lai-nav-toggle span {
	display: block;
	height: 1px;
	background: var(--lai-text);
	transition: all var(--lai-trans);
}
.lai-nav-toggle.is-open span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.lai-nav-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.lai-nav-toggle.is-open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }


/* =============================================================
   HERO
   ============================================================= */
.lai-hero {
	position: relative;
	min-height: 100svh;
	display: flex;
	align-items: center;
	overflow: hidden;
}
.lai-hero__bg {
	position: absolute;
	inset: 0;
	z-index: 0;
}
.lai-hero__video,
.lai-hero__image {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.lai-hero__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(
		135deg,
		rgba(8,8,8,.72) 0%,
		rgba(8,8,8,.45) 50%,
		rgba(8,8,8,.68) 100%
	);
}
#lai-particles {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
	mix-blend-mode: screen;
}

.lai-hero__content {
	position: relative;
	z-index: 1;
	padding-top: calc( var(--lai-header-h) + 4rem );
	padding-bottom: 6rem;
	max-width: 780px;
}
.lai-hero__eyebrow { margin-bottom: 1.5rem; }
.lai-hero__headline {
	font-family: var(--font-display);
	font-size: clamp(2.8rem, 7vw, 6rem);
	font-weight: 300;
	letter-spacing: -0.03em;
	line-height: 1.05;
	color: var(--lai-text);
	margin-bottom: 1.5rem;
}
.lai-hero__sub {
	font-size: clamp(1rem, 2vw, 1.2rem);
	color: rgba(240,237,232,.72);
	max-width: 520px;
	margin-bottom: 2.5rem;
	line-height: 1.65;
}
.lai-hero__ctas {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}
.lai-hero__scroll {
	position: absolute;
	bottom: 2.5rem;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 4px;
}
.lai-hero__scroll span {
	display: block;
	width: 1px;
	height: 14px;
	background: var(--lai-accent);
	opacity: 0;
	animation: lai-scroll-bounce 1.6s ease infinite;
}
.lai-hero__scroll span:nth-child(1) { animation-delay: 0s; }
.lai-hero__scroll span:nth-child(2) { animation-delay: 0.2s; }
.lai-hero__scroll span:nth-child(3) { animation-delay: 0.4s; }

@keyframes lai-scroll-bounce {
	0%,100% { opacity: 0; transform: scaleY(0.6); }
	50%      { opacity: 1; transform: scaleY(1); }
}


/* =============================================================
   SERVICES
   ============================================================= */
.lai-services {
	padding: 7rem 0;
	background: var(--lai-surface);
}
.lai-services__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 2px;
}
.lai-service-card {
	padding: 2.5rem 2rem;
	background: var(--lai-bg);
	transition: background var(--lai-trans);
	position: relative;
	overflow: hidden;
}
.lai-service-card:hover { background: #0e0e0e; }
.lai-service-card__icon {
	font-size: 2rem;
	margin-bottom: 1.25rem;
	display: block;
	transition: transform var(--lai-trans);
}
.lai-service-card:hover .lai-service-card__icon { transform: scale(1.1); }
.lai-service-card__title {
	font-family: var(--font-display);
	font-size: 1.35rem;
	font-weight: 400;
	letter-spacing: -0.01em;
	color: var(--lai-text);
	margin-bottom: 0.75rem;
}
.lai-service-card__desc {
	font-size: 0.875rem;
	color: rgba(240,237,232,.6);
	line-height: 1.65;
}
.lai-service-card__line {
	position: absolute;
	bottom: 0;
	left: 0;
	height: 2px;
	width: 0;
	background: var(--lai-accent);
	transition: width 0.4s ease;
}
.lai-service-card:hover .lai-service-card__line { width: 100%; }


/* =============================================================
   ABOUT
   ============================================================= */
.lai-about {
	padding: 7rem 0;
	background: var(--lai-bg);
}
.lai-about__inner {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 5rem;
	align-items: center;
}
.lai-about__visual {
	position: relative;
	border-radius: var(--lai-radius);
	overflow: hidden;
}
.lai-about__visual img {
	width: 100%;
	height: 480px;
	object-fit: cover;
	border-radius: var(--lai-radius);
}
.lai-about__placeholder {
	width: 100%;
	height: 480px;
	background: linear-gradient(135deg, #111 0%, #1a1a1a 100%);
	border-radius: var(--lai-radius);
}
.lai-about__badge {
	position: absolute;
	bottom: 24px;
	right: 24px;
	background: var(--lai-accent);
	color: #080808;
	border-radius: 50%;
	width: 80px;
	height: 80px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	font-family: var(--font-body);
}
.lai-about__badge-num   { font-size: 1.25rem; font-weight: 700; line-height: 1; }
.lai-about__badge-label { font-size: 0.6rem;  font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.lai-about__title {
	font-family: var(--font-display);
	font-size: clamp(1.8rem, 3vw, 2.6rem);
	font-weight: 300;
	letter-spacing: -0.02em;
	color: var(--lai-text);
	margin-bottom: 1.25rem;
	line-height: 1.15;
}
.lai-about__body {
	color: rgba(240,237,232,.7);
	font-size: 1rem;
	line-height: 1.75;
	margin-bottom: 2rem;
}
.lai-about__body p { margin-bottom: 1rem; }


/* =============================================================
   CTA SECTION
   ============================================================= */
.lai-cta-section {
	position: relative;
	padding: 7rem 0;
	overflow: hidden;
	text-align: center;
}
.lai-cta-section__bg {
	position: absolute;
	inset: 0;
	background: linear-gradient(135deg, #0d0d0d 0%, #111008 50%, #0a0d0d 100%);
}
.lai-cta-section__bg::before {
	content: '';
	position: absolute;
	top: -200px;
	left: 50%;
	transform: translateX(-50%);
	width: 600px;
	height: 600px;
	border-radius: 50%;
	background: radial-gradient(ellipse at center, rgba(200,169,110,.12) 0%, transparent 70%);
	pointer-events: none;
}
.lai-cta-section__inner {
	position: relative;
	z-index: 1;
}
.lai-cta-section__title {
	font-family: var(--font-display);
	font-size: clamp(2rem, 5vw, 3.8rem);
	font-weight: 300;
	letter-spacing: -0.03em;
	color: var(--lai-text);
	margin-bottom: 1.5rem;
	line-height: 1.1;
}
.lai-cta-section__body {
	max-width: 560px;
	margin: 0 auto 2.5rem;
	color: rgba(240,237,232,.65);
	font-size: 1.05rem;
	line-height: 1.7;
}


/* =============================================================
   INNER PAGES
   ============================================================= */
.lai-main { padding-top: var(--lai-header-h); min-height: 60vh; }

.lai-page-hero {
	padding: 5rem 0 4rem;
	background: var(--lai-surface);
	border-bottom: 1px solid var(--lai-border);
}
.lai-page-hero__title {
	font-family: var(--font-display);
	font-size: clamp(2rem, 4vw, 3.5rem);
	font-weight: 300;
	color: var(--lai-text);
	letter-spacing: -0.02em;
}
.lai-page-body { padding: 4rem 0 6rem; }
.lai-page-body__inner { max-width: 800px; }
.lai-entry-content {
	color: rgba(240,237,232,.8);
	font-size: 1.05rem;
	line-height: 1.8;
}
.lai-entry-content h2,
.lai-entry-content h3 {
	font-family: var(--font-display);
	font-weight: 400;
	color: var(--lai-text);
	margin: 2rem 0 1rem;
}
.lai-entry-content p { margin-bottom: 1.25rem; }
.lai-entry-content ul,
.lai-entry-content ol { margin: 1rem 0 1.25rem 1.5rem; }
.lai-entry-content li { margin-bottom: 0.5rem; }


/* Blog posts */
.lai-posts-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
	gap: 2rem;
	padding: 4rem 0;
}
.lai-post-card {
	background: var(--lai-surface);
	border: 1px solid var(--lai-border);
	border-radius: var(--lai-radius);
	overflow: hidden;
	transition: border-color var(--lai-trans), transform var(--lai-trans);
}
.lai-post-card:hover {
	border-color: var(--lai-accent);
	transform: translateY(-2px);
}
.lai-post-card__thumb img {
	width: 100%;
	height: 200px;
	object-fit: cover;
}
.lai-post-card__body { padding: 1.5rem; }
.lai-post-card__date {
	font-size: 0.75rem;
	color: var(--lai-accent);
	letter-spacing: 0.06em;
	text-transform: uppercase;
	margin-bottom: 0.5rem;
}
.lai-post-card__title {
	font-family: var(--font-display);
	font-size: 1.25rem;
	font-weight: 400;
	color: var(--lai-text);
	margin-bottom: 0.75rem;
}
.lai-post-card__title a { color: inherit; }
.lai-post-card__excerpt {
	font-size: 0.875rem;
	color: rgba(240,237,232,.6);
	margin-bottom: 1.25rem;
	line-height: 1.6;
}
.lai-pagination {
	grid-column: 1 / -1;
	display: flex;
	justify-content: center;
	padding: 2rem 0;
	gap: 8px;
}


/* 404 */
.lai-404 {
	min-height: 70vh;
	display: flex;
	align-items: center;
}
.lai-404__inner { text-align: center; }
.lai-404__code {
	font-family: var(--font-display);
	font-size: 10rem;
	font-weight: 300;
	color: var(--lai-border);
	line-height: 1;
	letter-spacing: -0.05em;
	margin-bottom: -1rem;
}
.lai-404__title {
	font-family: var(--font-display);
	font-size: 2.5rem;
	font-weight: 300;
	color: var(--lai-text);
	margin-bottom: 1rem;
}
.lai-404__msg {
	color: rgba(240,237,232,.55);
	max-width: 440px;
	margin: 0 auto 2rem;
}


/* =============================================================
   FOOTER
   ============================================================= */
.lai-footer {
	background: var(--lai-surface);
	border-top: 1px solid var(--lai-border);
}
.lai-footer__inner {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	padding: 3.5rem 24px;
	gap: 2rem;
	flex-wrap: wrap;
}
.lai-footer__wordmark {
	font-family: var(--font-display);
	font-size: 1.4rem;
	font-weight: 400;
	color: var(--lai-text);
}
.lai-footer__tagline {
	margin-top: 0.5rem;
	font-size: 0.85rem;
	color: rgba(240,237,232,.45);
	max-width: 280px;
}
.lai-footer__list {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 1.5rem;
}
.lai-footer__list a {
	font-size: 0.875rem;
	color: rgba(240,237,232,.55);
	transition: color var(--lai-trans);
}
.lai-footer__list a:hover { color: var(--lai-text); opacity: 1; }
.lai-footer__bottom {
	border-top: 1px solid var(--lai-border);
	padding: 1.25rem 0;
}
.lai-footer__bottom-inner {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
	flex-wrap: wrap;
}
.lai-footer__copy,
.lai-footer__powered {
	font-size: 0.8125rem;
	color: rgba(240,237,232,.35);
}
.lai-footer__powered a { color: var(--lai-accent); }


/* =============================================================
   ANIMATIONS — intersection-observer triggered
   ============================================================= */
[data-lai-reveal] {
	opacity: 0;
	transform: translateY(24px);
	transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-lai-reveal].is-visible {
	opacity: 1;
	transform: none;
}
[data-lai-reveal][data-delay="1"] { transition-delay: 0.1s; }
[data-lai-reveal][data-delay="2"] { transition-delay: 0.2s; }
[data-lai-reveal][data-delay="3"] { transition-delay: 0.3s; }
[data-lai-reveal][data-delay="4"] { transition-delay: 0.4s; }
[data-lai-reveal][data-delay="5"] { transition-delay: 0.5s; }


/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 1024px) {
	.lai-services__grid { grid-template-columns: repeat(2, 1fr); }
	.lai-about__inner   { grid-template-columns: 1fr; gap: 3rem; }
	.lai-about__visual  { max-width: 500px; }
}

@media (max-width: 768px) {
	.lai-services__grid { grid-template-columns: 1fr; }

	.lai-nav { display: none; }
	.lai-nav.is-open {
		display: flex;
		position: fixed;
		inset: var(--lai-header-h) 0 0 0;
		background: rgba(8,8,8,.98);
		backdrop-filter: blur(24px);
		flex-direction: column;
		justify-content: center;
		padding: 2rem;
		z-index: 999;
	}
	.lai-nav.is-open .lai-nav__list {
		flex-direction: column;
		gap: 1.5rem;
	}
	.lai-nav.is-open .lai-nav__link { font-size: 1.5rem; }
	.lai-nav-toggle { display: flex; }
	.lai-header__cta { display: none; }

	.lai-hero__content { padding-top: calc(var(--lai-header-h) + 2rem); padding-bottom: 4rem; }

	.lai-footer__inner { flex-direction: column; }
	.lai-footer__bottom-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
	.lai-hero__ctas { flex-direction: column; }
	.lai-btn--primary,
	.lai-btn--ghost  { width: 100%; justify-content: center; }
}

/* ===== SERVICE CARD LINK STATES ===== */
a.lai-service-card {
	display: block;
	text-decoration: none;
	color: inherit;
}
a.lai-service-card:hover { opacity: 1; }
.lai-service-card__arrow {
	margin-top: 1rem;
	color: var(--lai-accent);
	font-size: 1.1rem;
	opacity: 0;
	transform: translateX(-6px);
	transition: opacity 0.3s ease, transform 0.3s ease;
}
a.lai-service-card:hover .lai-service-card__arrow {
	opacity: 1;
	transform: translateX(0);
}

/* ===== SERVICE CARD IMAGE (when user uploads one) ===== */
.lai-service-card__img {
  width: 100%;
  height: 160px;
  overflow: hidden;
  border-radius: 4px;
  margin-bottom: 1.25rem;
}
.lai-service-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.lai-service-card:hover .lai-service-card__img img {
  transform: scale(1.04);
}