/* =====================================================================
   ㈜공생계 - Co-prosperity Co., Ltd.
   Single Page Website Stylesheet
   ===================================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont,
    'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #222;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

:root {
  --green: #8DC63F;
  --green-dark: #6FA627;
  --green-soft: #eaf6dd;
  --blue: #3C8EC7;
  --dark: #1a1a1a;
  --gray-900: #222;
  --gray-700: #555;
  --gray-500: #888;
  --gray-300: #d8d8d8;
  --gray-100: #f6f8f5;
  --white: #fff;
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 18px 50px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ----- Header / Nav ----- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  /* iPhone notch / 안드로이드 상단 영역 안전지대 */
  padding-top: env(safe-area-inset-top);
  transition: background-color .25s ease, box-shadow .25s ease, padding .25s ease;
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.header__logo {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  color: #fff;
  transition: color .25s ease;
}
.logo-mark {
  width: 48px; height: 48px;
  flex-shrink: 0;
  background: url('../images/logo.png') center/contain no-repeat;
  /* hero 배경이 어두울 때 가시성을 위한 옅은 흰색 글로우 */
  filter: drop-shadow(0 0 8px rgba(255,255,255,0.55));
  transition: filter .25s ease;
}
.header.is-scrolled .logo-mark { filter: none; }
/* 푸터 등 로고와 회사명 텍스트를 함께 쓰는 곳에서만 사용 */
.logo-text {
  display: inline-flex;
  align-items: baseline;
  gap: 1px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
}
.logo-text i {
  font-style: normal;
  font-size: 13px;
  font-weight: 600;
  color: inherit;
  opacity: .75;
}
.logo-text b { color: var(--green); font-weight: 800; }
.logo-mark--dark { filter: none; }

.nav__list {
  display: flex;
  gap: 4px;
}
.nav__link {
  display: inline-block;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .04em;
  color: #fff;
  position: relative;
  transition: color .2s ease;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 18px; right: 18px;
  bottom: 4px;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .25s ease;
}
.nav__link:hover,
.nav__link.is-active { color: var(--green); }
.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  position: relative;
}
.nav-toggle span {
  display: block;
  position: absolute;
  left: 8px; right: 8px;
  height: 2px;
  background: #fff;
  transition: .3s ease;
}
.nav-toggle span:nth-child(1) { top: 13px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 25px; }

/* Header scrolled state */
.header.is-scrolled {
  /* 본문 라이트 톤(--gray-100)과 자연스럽게 이어지는 배경 */
  background: rgba(246, 248, 245, 0.96);
  backdrop-filter: blur(10px) saturate(120%);
  -webkit-backdrop-filter: blur(10px) saturate(120%);
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.header.is-scrolled .header__logo { color: var(--dark); }
.header.is-scrolled .nav__link { color: var(--gray-900); }
.header.is-scrolled .nav__link:hover,
.header.is-scrolled .nav__link.is-active { color: var(--green-dark); }
.header.is-scrolled .nav-toggle span { background: var(--dark); }

/* ----- Hero ----- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  overflow: hidden;
  display: flex;
  align-items: center;
  color: #fff;
}
.hero__slider {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity .9s ease, transform 4s ease-out;
  will-change: opacity, transform;
}
.hero__slide.is-active {
  opacity: 1;
  transform: scale(1.12);
}
.hero__dots {
  position: absolute;
  left: 50%;
  bottom: 92px;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}
.hero__dot {
  width: 36px;
  height: 3px;
  background: rgba(255,255,255,0.35);
  border-radius: 2px;
  padding: 0;
  cursor: pointer;
  transition: background-color .25s ease, width .25s ease;
}
.hero__dot:hover { background: rgba(255,255,255,0.6); }
.hero__dot.is-active {
  background: var(--green);
  width: 56px;
}
.hero__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(20,40,15,0.65) 0%, rgba(40,80,30,0.45) 60%, rgba(0,0,0,0.55) 100%);
}
.hero__inner {
  position: relative;
  z-index: 2;
  text-align: left;
  padding-top: 60px;
}
.hero__eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .4em;
  margin: 0 0 18px;
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 40px;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp .9s ease .2s forwards;
}
.hero__title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 300;
  line-height: 1.18;
  margin: 0 0 24px;
  letter-spacing: -.02em;
  opacity: 0;
  animation: fadeUp 1s ease .4s forwards;
}
.hero__title b {
  font-weight: 800;
  color: var(--green);
}
.hero__sub {
  font-size: clamp(15px, 1.6vw, 19px);
  font-weight: 400;
  margin: 0 0 42px;
  line-height: 1.7;
  color: rgba(255,255,255,0.9);
  opacity: 0;
  animation: fadeUp 1s ease .6s forwards;
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--green);
  color: #fff;
  font-weight: 700;
  border-radius: 40px;
  transition: transform .2s ease, background-color .2s ease, box-shadow .2s ease;
  opacity: 0;
  animation: fadeUp 1s ease .8s forwards;
}
.hero__cta:hover {
  background: #fff;
  color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid rgba(255,255,255,0.55);
  border-radius: 18px;
  z-index: 2;
}
.hero__scroll span {
  display: block;
  width: 3px; height: 8px;
  background: #fff;
  border-radius: 2px;
  margin: 8px auto 0;
  animation: scrollDot 1.6s ease-in-out infinite;
}
@keyframes scrollDot {
  0%   { transform: translateY(0);   opacity: 1; }
  60%  { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0);   opacity: 1; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ----- Sections ----- */
.section {
  padding: 110px 0;
  position: relative;
}
.section--light { background: var(--gray-100); }
.section--white { background: #fff; }
.section--dark  { background: var(--dark); color: #fff; }

.section-head { text-align: center; margin-bottom: 64px; }
.section-head__tag {
  font-size: 13px;
  font-weight: 700;
  color: var(--green-dark);
  letter-spacing: .4em;
  margin: 0 0 12px;
}
.section-head__title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  margin: 0 0 18px;
  letter-spacing: -.02em;
}
.section-head__desc {
  font-size: 16px;
  color: var(--gray-700);
  margin: 0 auto;
  max-width: 640px;
}
.section-head--light .section-head__tag { color: var(--green); }
.section-head--light .section-head__desc { color: rgba(255,255,255,0.75); }

.block-title {
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 32px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--green);
}
.block-title span {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-500);
  letter-spacing: .15em;
  text-transform: uppercase;
}

/* ----- Vision / Mission cards ----- */
.vm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 100px;
}
.vm-card {
  background: #fff;
  border: 1px solid #e8ecdf;
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
  transition: transform .3s ease, box-shadow .3s ease;
}
.vm-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.vm-card--accent {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: #fff;
  border-color: transparent;
}
.vm-card__label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .3em;
  color: var(--green-dark);
  margin: 0 0 18px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--green);
}
.vm-card--accent .vm-card__label {
  color: #fff;
  border-bottom-color: rgba(255,255,255,0.6);
}
.vm-card__title {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  margin: 0;
  line-height: 1.45;
  letter-spacing: -.01em;
}

/* ----- Timeline ----- */
.history { margin-bottom: 100px; }
.timeline {
  position: relative;
  padding: 20px 0 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 80px;
  top: 32px; bottom: 8px;
  width: 2px;
  background: var(--green);
  opacity: .35;
}
.timeline__item {
  position: relative;
  padding: 0 0 36px 130px;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__year {
  position: absolute;
  left: 0; top: 6px;
  width: 100px;
  font-size: 20px;
  font-weight: 800;
  color: var(--green-dark);
  text-align: right;
  padding-right: 22px;
}
.timeline__year::after {
  content: '';
  position: absolute;
  right: -7px; top: 9px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--green);
  box-shadow: 0 0 0 4px rgba(122,193,67,0.18);
}
.timeline__list li {
  font-size: 15px;
  color: var(--gray-700);
  margin-bottom: 6px;
}

/* ----- Org Chart ----- */
.org-chart {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding-top: 12px;
}
.org-chart__top,
.org-chart__mid,
.org-chart__bottom {
  display: flex;
  justify-content: center;
  gap: 24px;
  position: relative;
}
.org-chart__top { margin-bottom: 40px; }
.org-chart__mid { margin-bottom: 40px; }
.org-chart__top::after,
.org-chart__mid::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -40px;
  width: 2px;
  height: 40px;
  background: var(--green);
}
.org-chart__bottom { gap: 16px; flex-wrap: wrap; }
.org-chart__bottom::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 17%;
  right: 17%;
  height: 2px;
  background: var(--green);
}
.org-node {
  padding: 18px 32px;
  background: #fff;
  border: 2px solid var(--green);
  border-radius: 40px;
  font-weight: 700;
  color: var(--gray-900);
  min-width: 150px;
  text-align: center;
  box-shadow: 0 4px 14px rgba(122,193,67,0.15);
}
.org-node--ceo {
  background: var(--green);
  color: #fff;
  font-size: 18px;
  padding: 20px 44px;
}
.org-node--dept {
  background: var(--green-soft);
  border-color: var(--green-dark);
}

/* ----- CEO ----- */
.ceo-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
}
.ceo-letter {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255,255,255,0.85);
}
.ceo-letter p { margin: 0 0 22px; }
.ceo-letter em {
  font-style: normal;
  color: var(--green);
  font-weight: 600;
}
.ceo-letter__sign {
  margin-top: 36px !important;
  text-align: right;
  font-size: 18px;
  color: #fff;
}
.ceo-letter__sign b {
  display: inline-block;
  margin-left: 8px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .2em;
}

.ceo-profile {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  align-self: start;
}
.ceo-profile__name {
  margin: 0 0 4px;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
}
.ceo-profile__name span {
  font-size: 14px;
  color: var(--gray-500);
  font-weight: 500;
  margin-left: 8px;
}
.ceo-profile__role {
  margin: 0 0 28px;
  color: var(--green);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .1em;
}
.profile-list dt {
  display: inline-block;
  padding: 4px 12px;
  background: var(--green);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  border-radius: 4px;
  margin: 18px 0 10px;
}
.profile-list dt:first-of-type { margin-top: 0; }
.profile-list dd {
  margin: 0;
  font-size: 14px;
  color: rgba(255,255,255,0.78);
  line-height: 1.75;
}
.profile-list dd b { color: var(--green); font-weight: 700; }

/* ----- Service ----- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  position: relative;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 280px;
  display: flex;
  align-items: flex-end;
  color: #fff;
  transition: transform .35s ease, box-shadow .35s ease;
  box-shadow: var(--shadow-md);
}
.service-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.75) 100%);
  transition: background .35s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-card:hover::before {
  background: linear-gradient(180deg, rgba(122,193,67,0.2) 0%, rgba(40,80,30,0.85) 100%);
}
.service-card__inner {
  position: relative;
  padding: 28px;
  width: 100%;
}
.service-card__en {
  font-size: 12px;
  letter-spacing: .3em;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--green);
  text-transform: uppercase;
}
.service-card__title {
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 12px;
}
.service-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255,255,255,0.85);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .4s ease, opacity .35s ease;
}
.service-card:hover .service-card__desc {
  max-height: 200px;
  opacity: 1;
  margin-top: 4px;
}

/* ----- Project ----- */
.filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 48px;
}
.filter__btn {
  padding: 10px 22px;
  border: 1.5px solid var(--gray-300);
  border-radius: 40px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  background: #fff;
  transition: all .2s ease;
}
.filter__btn:hover {
  border-color: var(--green);
  color: var(--green-dark);
}
.filter__btn.is-active {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card {
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transition: transform .3s ease, box-shadow .3s ease;
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.project-card.is-hidden { display: none; }
.project-card__img {
  aspect-ratio: 4/3;
  background: var(--gray-100);
  overflow: hidden;
}
.project-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.project-card:hover .project-card__img img { transform: scale(1.06); }
.project-card__info {
  padding: 20px 22px 24px;
}
.project-card__cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--green-dark);
  padding: 3px 8px;
  background: var(--green-soft);
  border-radius: 4px;
  margin-bottom: 10px;
}
.project-card__info h4 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--gray-900);
}

/* ----- Contact ----- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.contact-info {
  padding: 50px 44px;
}
.contact-info h3 {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 28px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--green);
}
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.contact-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-list__icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  background: var(--green-soft);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.contact-list__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--green-dark);
  margin: 0 0 4px;
  text-transform: uppercase;
}
.contact-list__value {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  line-height: 1.5;
}
.contact-list__value a:hover { color: var(--green-dark); }

.contact-cta {
  display: flex;
  gap: 10px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 700;
  transition: all .2s ease;
}
.btn--primary {
  background: var(--green);
  color: #fff;
}
.btn--primary:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
}
.btn--ghost {
  border: 1.5px solid var(--gray-300);
  color: var(--gray-700);
}
.btn--ghost:hover {
  border-color: var(--green);
  color: var(--green-dark);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 460px;
  border: 0;
  filter: grayscale(20%);
}

/* ----- Footer ----- */
.footer {
  background: #111;
  color: rgba(255,255,255,0.7);
  padding: 56px 0 40px;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
}
.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}
.footer__brand em {
  font-style: normal;
  font-weight: 400;
  color: var(--gray-500);
  font-size: 13px;
  margin-left: 8px;
}
.footer__addr { margin: 0; font-size: 14px; line-height: 1.7; }
.footer__copy { margin: 0; font-size: 12px; color: var(--gray-500); letter-spacing: .05em; }

/* ----- To-Top ----- */
.to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all .25s ease;
}
.to-top.is-show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.to-top:hover { background: var(--green-dark); }

/* ===== Reveal on scroll ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .section { padding: 80px 0; }
  .vm-grid { grid-template-columns: 1fr; gap: 16px; margin-bottom: 70px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .ceo-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-map iframe { min-height: 360px; }
  .timeline::before { left: 60px; }
  .timeline__item { padding-left: 96px; }
  .timeline__year { width: 76px; font-size: 17px; }
  .org-chart__bottom { gap: 10px; }
  .org-chart__bottom::before { left: 8%; right: 8%; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 64px; }
  .header__inner { height: 60px; }
  .logo-mark { width: 40px; height: 40px; }
  .nav {
    position: fixed;
    top: calc(60px + env(safe-area-inset-top));
    left: 0; right: 0;
    background: rgba(246, 248, 245, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 14px rgba(0,0,0,0.06);
    transform: translateY(-110%);
    transition: transform .3s ease;
  }
  .nav.is-open { transform: translateY(0); }
  .nav__list {
    flex-direction: column;
    gap: 0;
    padding: 12px 0;
  }
  .nav__link {
    display: block;
    padding: 14px 24px;
    color: var(--gray-900);
  }
  .nav__link::after { display: none; }
  .nav__link.is-active { background: rgba(141, 198, 63, 0.12); }
  .nav-toggle { display: block; }
  .header__logo { color: #fff; }
  .header.is-scrolled .header__logo { color: var(--dark); }

  .hero { min-height: 560px; }
  .hero__inner { text-align: left; }
  .service-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .service-card__desc { max-height: 200px; opacity: 1; margin-top: 6px; }
  .service-card { min-height: 240px; }
  .ceo-profile { padding: 32px 24px; }
  .contact-info { padding: 36px 28px; }
  .org-chart__bottom { flex-direction: column; }
  .org-chart__bottom::before { display: none; }
  .org-node { width: 100%; max-width: 240px; }
  .footer__addr { font-size: 13px; }
  .to-top { right: 16px; bottom: 16px; width: 42px; height: 42px; }
}