/* -------------------------------------------------------------
   예경테크 V4 — Gate 1 스타일
   토큰은 제작 명세 8장을 따른다. Gate 2에서 동결한다.
------------------------------------------------------------- */

:root {
	--yek-ink: #090B0F;
	--yek-navy: #102A43;
	--yek-blue: #1F5A7A;
	--yek-ivory: #F4F1EA;
	--yek-white: #FFFFFF;
	--yek-champagne: #B79A63;
	--yek-muted: #98A2AD;

	--yek-space-2: 0.5rem;
	--yek-space-3: 0.75rem;
	--yek-space-4: 1rem;
	--yek-space-6: 1.5rem;
	--yek-space-8: 2rem;
	--yek-space-12: 3rem;
	--yek-space-16: 4rem;
	--yek-space-24: 6rem;

	--yek-wrap: 1200px;
	--yek-wrap-narrow: 760px;
	--yek-line: rgba(244, 241, 234, 0.16);
	--yek-transition: 320ms ease;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	background-color: var(--yek-ink);
	color: var(--yek-ivory);
	font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
	font-size: 1rem;
	line-height: 1.7;
	overflow-x: hidden;
	word-break: keep-all;
}

img {
	max-width: 100%;
	height: auto;
}

a {
	color: inherit;
}

h1,
h2,
h3 {
	margin: 0;
	font-weight: 600;
	line-height: 1.25;
	letter-spacing: -0.01em;
}

p {
	margin: 0;
}

ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

.wrap {
	width: 100%;
	max-width: var(--yek-wrap);
	margin-inline: auto;
	padding-inline: var(--yek-space-6);
}

.wrap--narrow {
	max-width: var(--yek-wrap-narrow);
}

/* 접근성 ------------------------------------------------------ */

.screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.skip-link {
	position: absolute;
	top: -100px;
	left: var(--yek-space-4);
	z-index: 100;
	padding: var(--yek-space-3) var(--yek-space-4);
	background: var(--yek-ivory);
	color: var(--yek-ink);
	text-decoration: none;
}

.skip-link:focus {
	top: var(--yek-space-4);
	width: auto;
	height: auto;
	clip: auto;
	margin: 0;
	overflow: visible;
}

:where(a, button, input, select, textarea):focus-visible {
	outline: 2px solid var(--yek-champagne);
	outline-offset: 3px;
}

/* 버튼 -------------------------------------------------------- */

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	padding: var(--yek-space-3) var(--yek-space-6);
	border: 1px solid transparent;
	font-size: 0.9375rem;
	font-weight: 600;
	letter-spacing: 0.01em;
	text-decoration: none;
	transition: background-color var(--yek-transition), color var(--yek-transition), border-color var(--yek-transition);
}

.button--primary {
	background-color: var(--yek-champagne);
	border-color: var(--yek-champagne);
	color: var(--yek-ink);
}

.button--primary:hover {
	background-color: #C9AE7B;
	border-color: #C9AE7B;
}

.button--ghost {
	background-color: transparent;
	border-color: var(--yek-line);
	color: var(--yek-ivory);
}

.button--ghost:hover {
	border-color: var(--yek-ivory);
}

.link-underline {
	text-underline-offset: 4px;
}

/* 헤더 -------------------------------------------------------- */

.site-header {
	position: absolute;
	inset-inline: 0;
	top: 0;
	z-index: 20;
	background: transparent;
}

.site-header__inner {
	display: flex;
	align-items: center;
	gap: var(--yek-space-4);
	min-height: 72px;
}

.site-header__wordmark {
	margin-inline-end: auto;
	font-size: 1.0625rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-decoration: none;
	text-transform: uppercase;
}

.site-header__nav .site-header__menu {
	display: flex;
	gap: var(--yek-space-6);
	font-size: 0.9375rem;
}

.site-header__menu a {
	text-decoration: none;
}

.site-header__toggle {
	display: none;
	min-width: 44px;
	min-height: 44px;
	background: transparent;
	border: 1px solid var(--yek-line);
	color: inherit;
	cursor: pointer;
}

.site-header__phone {
	white-space: nowrap;
}

/* Hero -------------------------------------------------------- */

.hero {
	position: relative;
	display: flex;
	align-items: flex-end;
	min-height: 88vh;
	min-height: 88svh;
	padding-block: var(--yek-space-24) var(--yek-space-16);
	overflow: hidden;
	isolation: isolate;
}

.hero__media {
	position: absolute;
	inset: 0;
	z-index: -1;
}

.hero__image {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
}

.hero__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(9, 11, 15, 0.58) 0%, rgba(9, 11, 15, 0.66) 55%, rgba(9, 11, 15, 0.82) 100%);
}

.hero__inner {
	max-width: var(--yek-wrap);
}

.hero__eyebrow {
	margin-bottom: var(--yek-space-6);
	color: var(--yek-champagne);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.22em;
	text-transform: uppercase;
}

.hero__title {
	max-width: 18ch;
	font-size: clamp(2rem, 6.4vw, 4rem);
	line-height: 1.18;
}

.hero__description {
	max-width: 46ch;
	margin-top: var(--yek-space-6);
	color: rgba(244, 241, 234, 0.86);
	font-size: clamp(0.9375rem, 1.4vw, 1.0625rem);
}

.hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: var(--yek-space-3);
	margin-top: var(--yek-space-8);
}

/* 섹션 -------------------------------------------------------- */

.section__title {
	font-size: clamp(1.375rem, 2.6vw, 2rem);
}

.projects {
	padding-block: var(--yek-space-24);
	border-top: 1px solid var(--yek-line);
}

.projects__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: var(--yek-space-8);
	margin-top: var(--yek-space-12);
}

.project-card {
	display: flex;
	flex-direction: column;
	gap: var(--yek-space-4);
}

.project-card__media {
	position: relative;
	aspect-ratio: 3 / 2;
	overflow: hidden;
	border: 1px solid var(--yek-line);
	background-color: var(--yek-navy);
}

.project-card__image {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.project-card__title {
	font-size: 1.125rem;
}

.project-card__meta {
	color: var(--yek-muted);
	font-size: 0.875rem;
}

.project-card__intro {
	color: rgba(244, 241, 234, 0.84);
	font-size: 0.9375rem;
}

.project-card__types {
	display: flex;
	flex-wrap: wrap;
	gap: var(--yek-space-2);
}

.project-card__types li {
	padding: 2px var(--yek-space-3);
	border: 1px solid var(--yek-line);
	color: var(--yek-muted);
	font-size: 0.75rem;
	letter-spacing: 0.02em;
}

.project-card__disclosure {
	color: var(--yek-muted);
	font-size: 0.75rem;
}

/* 전화 CTA ---------------------------------------------------- */

.phone-cta {
	padding-block: var(--yek-space-24);
	border-top: 1px solid var(--yek-line);
	background-color: var(--yek-navy);
}

.phone-cta__title {
	max-width: 20ch;
	font-size: clamp(1.5rem, 3.4vw, 2.25rem);
}

.phone-cta__actions {
	display: flex;
	flex-wrap: wrap;
	gap: var(--yek-space-3);
	margin-top: var(--yek-space-8);
}

/* 푸터 -------------------------------------------------------- */

.site-footer {
	padding-block: var(--yek-space-16);
	border-top: 1px solid var(--yek-line);
	font-size: 0.875rem;
}

.site-footer__brand {
	font-weight: 600;
	letter-spacing: 0.04em;
}

.site-footer__list {
	display: flex;
	flex-wrap: wrap;
	gap: var(--yek-space-2) var(--yek-space-6);
	margin-top: var(--yek-space-4);
	color: var(--yek-muted);
}

.site-footer__note {
	margin-top: var(--yek-space-6);
	color: var(--yek-muted);
	font-size: 0.8125rem;
}

/* 기본 문서 --------------------------------------------------- */

.entry {
	padding-block: var(--yek-space-24) var(--yek-space-16);
}

.entry__title {
	font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.entry__content {
	margin-top: var(--yek-space-6);
}

/* 반응형 ------------------------------------------------------ */

@media (max-width: 767px) {
	.site-header__toggle {
		display: inline-flex;
		align-items: center;
		justify-content: center;
	}

	.site-header__nav {
		display: none;
		flex-basis: 100%;
	}

	.site-header__nav.is-open {
		display: block;
	}

	.site-header__nav .site-header__menu {
		flex-direction: column;
		gap: var(--yek-space-3);
		padding-block: var(--yek-space-4);
	}

	.site-header__phone {
		padding-inline: var(--yek-space-4);
		font-size: 0.8125rem;
	}

	.hero {
		min-height: 92vh;
		min-height: 92svh;
		padding-block: var(--yek-space-24) var(--yek-space-12);
	}

	.projects,
	.phone-cta {
		padding-block: var(--yek-space-16);
	}
}

@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		scroll-behavior: auto !important;
	}
}