* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    "Pretendard",
    "Noto Sans KR",
    Arial,
    sans-serif;

  color: #222;
  background: #f7f5f1;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}


/* HEADER */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;

  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);

  border-bottom:
    1px solid rgba(0, 0, 0, 0.06);
}

.header-inner {
  height: 72px;

  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.6px;
}

.logo span {
  margin-left: 7px;

  font-size: 13px;
  font-weight: 400;

  color: #777;
}

.desktop-nav {
  display: flex;
  gap: 28px;

  font-size: 14px;
  font-weight: 600;
}

.desktop-nav a:hover {
  opacity: 0.55;
}

/* MOBILE MENU BUTTON */

.menu-button {
  display: none;

  width: 44px;
  height: 44px;

  padding: 10px;

  border: 0;
  background: transparent;

  cursor: pointer;
}

.menu-button span {
  display: block;

  width: 100%;
  height: 2px;

  margin: 5px 0;

  background: currentColor;

  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}

.menu-button[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-button[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* MOBILE MENU */

.mobile-menu {
  display: none;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
}

.mobile-nav a {
  padding: 20px 24px;

  border-bottom: 1px solid #eee;

  font-size: 17px;
  font-weight: 700;
}

/* HERO */

.hero {
  min-height: 720px;

  display: flex;
  align-items: center;

  background:
    linear-gradient(
      rgba(15, 15, 15, 0.48),
      rgba(15, 15, 15, 0.48)
    ),
    url(
      "https://images.unsplash.com/photo-1618221195710-dd6b41faaea6?auto=format&fit=crop&w=1800&q=85"
    )
    center / cover no-repeat;

  color: white;
}

.hero-content {
  padding-top: 70px;
  max-width: 740px;
}

.eyebrow {
  margin-bottom: 18px;

  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;

  opacity: 0.85;
}

.hero h1 {
  margin-bottom: 24px;

  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.08;

  letter-spacing: -3px;
}

.hero p {
  max-width: 560px;
  margin-bottom: 36px;

  font-size: 19px;

  color: rgba(255, 255, 255, 0.88);
}

.hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}


/* BUTTON */

.button {
  min-height: 52px;
  padding: 0 26px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  border-radius: 4px;

  font-size: 15px;
  font-weight: 700;

  transition: 0.2s ease;
}

.button-primary {
  background: white;
  color: #222;
}

.button-primary:hover {
  transform: translateY(-2px);
}

.button-outline {
  border:
    1px solid rgba(255, 255, 255, 0.65);

  color: white;
}

.button-outline:hover {
  background:
    rgba(255, 255, 255, 0.12);
}

.button-kakao {
  background: #fee500;
  color: #191919;

  gap: 9px;

  border: 1px solid rgba(0, 0, 0, 0.08);
}

.button-kakao:hover {
  transform: translateY(-2px);

  filter: brightness(0.97);
}

.kakao-icon {
  width: 20px;
  height: 20px;

  flex-shrink: 0;
}

/* COMMON SECTION */

section {
  padding: 110px 0;
}

section[id] {
  scroll-margin-top: 72px;
}

.section-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;

  gap: 30px;

  margin-bottom: 48px;
}

.section-label {
  margin-bottom: 10px;

  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;

  color: #8a7763;
}

.section-title {
  font-size: clamp(32px, 5vw, 48px);

  line-height: 1.2;
  letter-spacing: -2px;
}

.section-description {
  max-width: 430px;

  color: #777;
  font-size: 15px;
}


/* PROJECTS */

.projects {
  background: #fff;
}

.project-grid {
  display: grid;

  grid-template-columns:
    repeat(2, 1fr);

  gap: 22px;
}

.project-card {
  position: relative;

  min-height: 430px;

  overflow: hidden;

  border-radius: 6px;

  background: #ddd;
}

.project-card img {
  position: absolute;
  inset: 0;

  height: 100%;

  transition:
    transform 0.5s ease;
}

.project-card:hover img {
  transform: scale(1.04);
}

.project-overlay {
  position: absolute;
  inset: 0;

  display: flex;
  flex-direction: column;
  justify-content: flex-end;

  padding: 32px;

  color: white;

  background:
    linear-gradient(
      transparent 35%,
      rgba(0, 0, 0, 0.76)
    );
}

.project-location {
  margin-bottom: 6px;

  font-size: 13px;

  opacity: 0.78;
}

.project-name {
  font-size: 25px;
  font-weight: 700;

  letter-spacing: -0.8px;
}


/* SERVICES */

.service-grid {
  display: grid;

  grid-template-columns:
    repeat(4, 1fr);

  gap: 14px;
}

.service-card {
  min-height: 220px;

  padding: 36px 26px;

  background: white;

  border:
    1px solid #e8e4de;
}

.service-number {
  margin-bottom: 42px;

  font-size: 12px;

  color: #9b8a78;
}

.service-card h3 {
  margin-bottom: 12px;

  font-size: 21px;

  letter-spacing: -0.7px;
}

.service-card p {
  font-size: 14px;

  color: #777;
}


/* ABOUT */

.about {
  background: #222;
  color: white;
}

.about-grid {
  display: grid;

  grid-template-columns:
    1fr 1fr;

  gap: 70px;

  align-items: center;
}

.about-image {
  height: 600px;
}

.about-image img {
  height: 100%;
}

.about-copy h2 {
  margin-bottom: 28px;

  font-size:
    clamp(34px, 5vw, 54px);

  line-height: 1.18;

  letter-spacing: -2px;
}

.about-copy > p {
  max-width: 500px;

  margin-bottom: 44px;

  color:
    rgba(255, 255, 255, 0.7);
}

.point-list {
  display: grid;

  gap: 24px;
}

.point-item {
  padding-top: 20px;

  border-top:
    1px solid rgba(255, 255, 255, 0.15);
}

.point-item strong {
  display: block;

  margin-bottom: 6px;

  font-size: 18px;
}

.point-item span {
  font-size: 14px;

  color:
    rgba(255, 255, 255, 0.6);
}


/* PROCESS */

.process-grid {
  display: grid;

  grid-template-columns:
    repeat(6, 1fr);
}

.process-item {
  min-height: 180px;

  padding: 24px 18px;

  border-top:
    1px solid #ccc;

  border-right:
    1px solid #ddd;
}

.process-item:last-child {
  border-right: none;
}

.process-step {
  margin-bottom: 50px;

  font-size: 12px;

  color: #9b8a78;
}

.process-item strong {
  display: block;

  font-size: 18px;
}


/* FAQ */

.faq {
  background: white;
}

.faq-list {
  border-top:
    1px solid #ddd;
}

details {
  padding: 24px 4px;

  border-bottom:
    1px solid #ddd;
}

summary {
  cursor: pointer;
  list-style: none;

  display: flex;
  justify-content: space-between;

  gap: 20px;

  font-size: 17px;
  font-weight: 700;
}

summary::after {
  content: "+";

  font-size: 22px;
  font-weight: 400;
}

details[open] summary::after {
  content: "−";
}

details p {
  max-width: 760px;

  padding-top: 18px;

  color: #777;

  font-size: 15px;
}


/* CONTACT */

.contact {
  background: #b4a18b;

  color: white;

  text-align: center;
}

.contact .container {
  max-width: 800px;
}

.contact h2 {
  margin-bottom: 20px;

  font-size:
    clamp(38px, 7vw, 64px);

  line-height: 1.15;

  letter-spacing: -2px;
}

.contact p {
  margin-bottom: 34px;

  color:
    rgba(255, 255, 255, 0.82);
}

.contact-buttons {
  display: flex;
  justify-content: center;

  gap: 12px;

  flex-wrap: wrap;
}

.contact .button-primary {
  min-width: 170px;
}

/* MOBILE CONTACT BAR */

.mobile-contact-bar {
  display: none;
}

/* QUOTE FORM */

.contact-description {
  max-width: 620px;

  margin:
    0 auto 42px;

  color:
    rgba(255, 255, 255, 0.82);
}


.quote-form {
  max-width: 900px;

  margin:
    0 auto;

  padding: 36px;

  background: white;

  color: #222;

  text-align: left;

  border-radius: 8px;
}


.form-grid {
  display: grid;

  grid-template-columns:
    repeat(2, 1fr);

  gap: 22px;
}


.form-field {
  display: flex;
  flex-direction: column;

  gap: 8px;
}


.form-field-full {
  grid-column:
    1 / -1;
}


.form-field label {
  font-size: 14px;
  font-weight: 700;

  color: #333;
}


.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;

  padding:
    14px 15px;

  border:
    1px solid #d8d4ce;

  border-radius: 4px;

  background: #faf9f7;

  color: #222;

  font-family: inherit;
  font-size: 15px;

  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}


.form-field textarea {
  min-height: 150px;

  resize: vertical;
}


.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #aaa;
}


.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: #8a7763;

  background: white;

  outline:
    2px solid rgba(138, 119, 99, 0.18);

  outline-offset: 1px;
}


.quote-submit {
  width: 100%;
  min-height: 58px;

  margin-top: 28px;

  border: 0;
  border-radius: 4px;

  background: #222;
  color: white;

  font-family: inherit;
  font-size: 16px;
  font-weight: 700;

  cursor: pointer;

  transition:
    transform 0.2s ease,
    background 0.2s ease;
}


.quote-submit:hover {
  background: #111;

  transform:
    translateY(-1px);
}


.form-notice {
  margin-top: 14px !important;
  margin-bottom: 0 !important;

  color: #999 !important;

  font-size: 12px;

  text-align: center;
}

/* KAKAO CONTACT */

.contact-guide {
  max-width: 900px;

  margin:
    42px auto 32px;

  display: grid;

  grid-template-columns:
    repeat(3, 1fr);

  gap: 14px;

  text-align: left;
}

.contact-guide-item {
  min-height: 210px;

  padding: 28px 24px;

  background: rgba(255, 255, 255, 0.14);

  border:
    1px solid rgba(255, 255, 255, 0.2);

  border-radius: 6px;
}

.contact-guide-number {
  display: block;

  margin-bottom: 34px;

  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;

  color:
    rgba(255, 255, 255, 0.62);
}

.contact-guide-item strong {
  display: block;

  margin-bottom: 10px;

  font-size: 18px;
}

.contact-guide-item p {
  margin: 0;

  color:
    rgba(255, 255, 255, 0.72);

  font-size: 14px;
  line-height: 1.7;
}

.kakao-button {
  width: min(100%, 420px);

  min-height: 60px;

  margin:
    8px auto 0;

  display: flex;
  align-items: center;
  justify-content: center;

  background: #fee500;
  color: #191919;

  border-radius: 5px;

  font-size: 16px;
  font-weight: 800;

  transition:
    transform 0.2s ease,
    filter 0.2s ease;
}

.kakao-button:hover {
  transform:
    translateY(-2px);

  filter:
    brightness(0.97);
}

.contact-small-text {
  margin-top: 16px !important;
  margin-bottom: 0 !important;

  color:
    rgba(255, 255, 255, 0.55) !important;

  font-size: 12px;
}

/* FOOTER */

footer {
  padding: 44px 0;

  background: #161616;

  color:
    rgba(255, 255, 255, 0.55);

  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;

  gap: 30px;
}

.footer-logo {
  margin-bottom: 8px;

  color: white;

  font-size: 18px;
  font-weight: 700;
}

.footer-links {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.social-link {
  min-height: 40px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 0 16px;

  border:
    1px solid rgba(255, 255, 255, 0.18);

  border-radius: 4px;

  color: rgba(255, 255, 255, 0.78);

  font-size: 13px;
  font-weight: 600;

  transition:
    color 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

.social-link:hover {
  color: white;

  background:
    rgba(255, 255, 255, 0.08);

  border-color:
    rgba(255, 255, 255, 0.35);
}


/* TABLET */

@media (max-width: 800px) {

  .container {
    width:
      min(100% - 32px, 1120px);
  }

  header {
		position: fixed;

		z-index: 300;

		background: rgba(20, 20, 20, 0.72);

		backdrop-filter: blur(8px);

		border: none;
	}

  .logo {
    color: white;
  }

  .logo span {
    color:
      rgba(255, 255, 255, 0.65);
  }

  .desktop-nav {
		display: none;
	}

	.menu-button {
		display: block;

		position: relative;
		z-index: 201;

		color: white;
	}

	.mobile-menu {
		display: block;

		position: fixed;
		top: 0;
		left: 0;
		right: 0;

		z-index: 200;

		padding-top: 72px;

		background: white;

		transform: translateY(-110%);

		visibility: hidden;
		opacity: 0;

		transition:
				transform 0.3s ease,
				opacity 0.3s ease,
				visibility 0.3s ease;
	}

	.mobile-menu.is-open {
		transform: translateY(0);

		visibility: visible;
		opacity: 1;
	}

	.mobile-nav {
		color: #222;
	}

	.mobile-nav a:hover {
		background: #f7f5f1;
	}
  .hero {
    min-height: 680px;
  }

  .hero-content {
    padding-top: 40px;
  }

  .hero h1 {
    letter-spacing: -2px;
  }

  .hero p {
    font-size: 16px;
  }

  section {
    padding: 80px 0;
  }

  .section-top {
    display: block;
  }

  .section-description {
    margin-top: 18px;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .project-card {
    min-height: 390px;
  }

  .service-grid {
    grid-template-columns:
      1fr 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;

    gap: 42px;
  }

  .about-image {
    height: 450px;
  }

  .process-grid {
    grid-template-columns:
      repeat(2, 1fr);
  }

  .process-item {
    border-bottom:
      1px solid #ddd;
  }

  .footer-inner {
    flex-direction: column;
  }


	.quote-form {
		padding: 26px 20px;
	}


	.form-grid {
		grid-template-columns: 1fr;

		gap: 18px;
	}


	.form-field-full {
		grid-column: auto;
	}


	.quote-submit {
		min-height: 54px;
	}


}


/* MOBILE */

@media (max-width: 520px) {/* KAKAO CONTACT */

.contact-guide {
  max-width: 900px;

  margin:
    42px auto 32px;

  display: grid;

  grid-template-columns:
    repeat(3, 1fr);

  gap: 14px;

  text-align: left;
}

.contact-guide-item {
  min-height: 210px;

  padding: 28px 24px;

  background: rgba(255, 255, 255, 0.14);

  border:
    1px solid rgba(255, 255, 255, 0.2);

  border-radius: 6px;
}

.contact-guide-number {
  display: block;

  margin-bottom: 34px;

  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;

  color:
    rgba(255, 255, 255, 0.62);
}

.contact-guide-item strong {
  display: block;

  margin-bottom: 10px;

  font-size: 18px;
}

.contact-guide-item p {
  margin: 0;

  color:
    rgba(255, 255, 255, 0.72);

  font-size: 14px;
  line-height: 1.7;
}

.kakao-button {
  width: min(100%, 420px);

  min-height: 60px;

  margin:
    8px auto 0;

  display: flex;
  align-items: center;
  justify-content: center;

  background: #fee500;
  color: #191919;

  border-radius: 5px;

  font-size: 16px;
  font-weight: 800;

  transition:
    transform 0.2s ease,
    filter 0.2s ease;
}

.kakao-button:hover {
  transform:
    translateY(-2px);

  filter:
    brightness(0.97);
}

.contact-small-text {
  margin-top: 16px !important;
  margin-bottom: 0 !important;

  color:
    rgba(255, 255, 255, 0.55) !important;

  font-size: 12px;
}

  .hero {
    min-height: 650px;
  }

  .hero-buttons {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
  }

  .service-number {
    margin-bottom: 28px;
  }

  .project-card {
    min-height: 340px;
  }

  .project-overlay {
    padding: 24px;
  }

  .about-image {
    height: 360px;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-item {
    min-height: 140px;
  }

  .process-step {
    margin-bottom: 34px;
  }

  .contact-buttons {
    display: grid;
  }

	.mobile-contact-bar {
  position: fixed;

  left: 0;
  right: 0;
  bottom: 0;

  z-index: 400;

  display: grid;
  grid-template-columns: 1fr 1fr;

  padding:
    10px
    12px
    calc(10px + env(safe-area-inset-bottom));

  gap: 8px;

  background: rgba(255, 255, 255, 0.96);

  border-top: 1px solid #ddd;

  backdrop-filter: blur(10px);
}

.mobile-contact-bar a {
  min-height: 52px;

  display: flex;
  align-items: center;
  justify-content: center;

  gap: 7px;

  border-radius: 4px;

  font-size: 15px;
  font-weight: 700;
}

.mobile-contact-call {
  border: 1px solid #222;

  background: white;
  color: #222;
}

.mobile-contact-quote {
  background: #222;
  color: white;
}

body {
  padding-bottom: 82px;
}

}

/* ===== MOBILE FIXED CONTACT BAR ===== */

.mobile-contact-bar {
  display: none;
}

@media (max-width: 800px) {

  .mobile-contact-bar {
    position: fixed;

    left: 0;
    right: 0;
    bottom: 0;

    z-index: 9999;

    display: grid;
    grid-template-columns: 1fr 1fr;

    gap: 8px;

    padding: 10px 12px;

    background: rgba(255, 255, 255, 0.96);

    border-top: 1px solid #ddd;

    backdrop-filter: blur(10px);
  }

  .mobile-contact-bar a {
    min-height: 52px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 4px;

    font-size: 15px;
    font-weight: 700;
  }

  .mobile-contact-call {
    background: #ffffff;
    color: #222222;

    border: 1px solid #222222;
  }

  .mobile-contact-quote {
    background: #222222;
    color: #ffffff;
  }

  body {
    padding-bottom: 82px;
  }


	.contact-guide {
		grid-template-columns: 1fr;

		gap: 10px;

		margin-top: 32px;
	}

	.contact-guide-item {
		min-height: auto;

		padding: 24px 20px;
	}

	.contact-guide-number {
		margin-bottom: 20px;
	}

	.kakao-button {
		min-height: 56px;
	}

}