/* ===== Google Fonts ===== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700;900&display=swap');

/* ===== CSS Variables ===== */
:root {
  --green-dark: #1a5c3a;
  --green-mid: #2d8653;
  --green-light: #4caf80;
  --gold: #b8960c;
  --gold-light: #d4af37;
  --white: #ffffff;
  --off-white: #f7f9f6;
  --light-gray: #f0f4f1;
  --gray: #8a9a90;
  --dark: #1a2a22;
  --text: #2c3e35;
  --shadow: 0 8px 32px rgba(26,92,58,0.12);
  --shadow-lg: 0 20px 60px rgba(26,92,58,0.18);
  --radius: 16px;
  --transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans KR', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== Utility ===== */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-alt { background: var(--off-white); }
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  color: var(--dark);
  text-align: center;
  margin-bottom: 12px;
}
.section-subtitle {
  text-align: center;
  color: var(--gray);
  font-size: 1.05rem;
  margin-bottom: 60px;
}
.divider {
  width: 56px; height: 4px;
  background: linear-gradient(90deg, var(--green-dark), var(--gold));
  border-radius: 4px;
  margin: 14px auto 20px;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700; font-size: 1rem;
  cursor: pointer; border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  color: var(--white);
  box-shadow: 0 6px 24px rgba(26,92,58,0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(26,92,58,0.45);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.8);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-3px);
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--white);
  box-shadow: 0 6px 24px rgba(184,150,12,0.4);
}
.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(184,150,12,0.5);
}

/* ===== Header / Nav ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
.header.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 24px rgba(26,92,58,0.12);
  padding: 10px 0;
}
.nav {
  display: flex; align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.4rem; font-weight: 900;
  color: var(--white);
  transition: var(--transition);
}
.header.scrolled .logo { color: var(--green-dark); }
.logo-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--green-dark), var(--green-light));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.2rem;
}
.nav-links {
  display: flex; align-items: center; gap: 36px;
}
.nav-links a {
  font-size: 0.95rem; font-weight: 500;
  color: rgba(255,255,255,0.9);
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gold-light);
  transition: var(--transition);
}
.nav-links a:hover::after { width: 100%; }
.header.scrolled .nav-links a { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-phone {
  font-weight: 700; font-size: 1rem;
  color: var(--white);
  transition: var(--transition);
}
.header.scrolled .nav-phone { color: var(--green-dark); }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 26px; height: 2.5px;
  background: var(--white);
  border-radius: 4px; transition: var(--transition);
}
.header.scrolled .hamburger span { background: var(--green-dark); }

/* Mobile Nav */
.mobile-nav {
  display: none; position: fixed;
  top: 0; left: 0; right: 0; bottom: 0; z-index: 999;
  background: var(--white);
  flex-direction: column; align-items: center; justify-content: center;
  gap: 36px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 1.5rem; font-weight: 700; color: var(--dark);
  transition: var(--transition);
}
.mobile-nav a:hover { color: var(--green-mid); }
.mobile-close {
  position: absolute; top: 20px; right: 24px;
  font-size: 2rem; cursor: pointer; color: var(--dark);
  background: none; border: none;
}

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('../images/hero-bg.png');
  background-size: cover; background-position: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg,
    rgba(13,50,30,0.82) 0%,
    rgba(26,92,58,0.65) 50%,
    rgba(0,0,0,0.45) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 700px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
  color: var(--white); font-size: 0.9rem; font-weight: 500;
  padding: 8px 18px; border-radius: 50px;
  margin-bottom: 24px;
}
.hero-badge span { color: var(--gold-light); font-weight: 700; }
.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 900; color: var(--white);
  line-height: 1.2; margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--gold-light), #f0d060);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.15rem; color: rgba(255,255,255,0.88);
  margin-bottom: 36px; max-width: 520px;
  line-height: 1.8;
}
.hero-buttons { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats {
  position: relative; z-index: 2;
  display: flex; gap: 40px;
  margin-top: 64px;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-size: 2.2rem; font-weight: 900;
  color: var(--gold-light); display: block;
}
.hero-stat-label {
  font-size: 0.85rem; color: rgba(255,255,255,0.75);
}
.scroll-indicator {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.6); font-size: 0.8rem;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ===== About ===== */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.about-img-wrap {
  position: relative; border-radius: var(--radius); overflow: hidden;
}
.about-img-wrap img {
  width: 100%; height: 480px; object-fit: cover;
  border-radius: var(--radius);
}
.about-badge-float {
  position: absolute; bottom: 24px; right: 24px;
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  color: var(--white); text-align: center;
  padding: 20px 24px; border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.about-badge-float strong { font-size: 2.8rem; font-weight: 900; display: block; }
.about-badge-float span { font-size: 0.85rem; opacity: 0.85; }
.about-text .section-title { text-align: left; }
.about-text .divider { margin-left: 0; }
.about-text .section-subtitle { text-align: left; }
.about-desc { font-size: 1.05rem; line-height: 1.9; color: var(--text); margin-bottom: 32px; }
.about-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.about-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--light-gray);
  color: var(--green-dark); font-weight: 700; font-size: 0.9rem;
  padding: 8px 16px; border-radius: 50px;
  border: 1.5px solid rgba(26,92,58,0.15);
}

/* ===== Stats ===== */
.stats-section {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-mid) 100%);
  padding: 72px 0;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-card { text-align: center; }
.stat-num {
  font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 900;
  color: var(--gold-light); display: block; line-height: 1.1;
}
.stat-label {
  font-size: 0.95rem; color: rgba(255,255,255,0.8);
  margin-top: 6px;
}

/* ===== Services ===== */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(26,92,58,0.08);
  transition: var(--transition);
  text-align: center;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-light);
}
.service-icon {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, rgba(26,92,58,0.1), rgba(76,175,128,0.15));
  border-radius: 20px; margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; transition: var(--transition);
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  transform: scale(1.1);
}
.service-card:hover .service-icon span { filter: brightness(10); }
.service-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; color: var(--dark); }
.service-card p { font-size: 0.95rem; color: var(--gray); line-height: 1.8; }

/* ===== Portfolio ===== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.portfolio-item {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4/3; cursor: pointer;
}
.portfolio-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.portfolio-item:hover img { transform: scale(1.08); }
.portfolio-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(13,50,30,0.85) 0%, transparent 60%);
  opacity: 0; transition: var(--transition);
  display: flex; align-items: flex-end; padding: 24px;
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-overlay span {
  color: var(--white); font-weight: 700; font-size: 1.05rem;
}

/* ===== Process ===== */
.process-steps {
  display: flex; gap: 0;
  position: relative;
  counter-reset: step;
}
.process-steps::before {
  content: '';
  position: absolute; top: 36px; left: calc(10% + 18px); right: calc(10% + 18px);
  height: 2px;
  background: linear-gradient(90deg, var(--green-dark), var(--gold));
}
.process-step {
  flex: 1; text-align: center; padding: 0 16px;
  position: relative;
}
.step-circle {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  border-radius: 50%; margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; color: white;
  box-shadow: 0 8px 24px rgba(26,92,58,0.3);
  position: relative; z-index: 1;
  transition: var(--transition);
}
.process-step:hover .step-circle {
  transform: scale(1.12);
  box-shadow: 0 16px 36px rgba(26,92,58,0.4);
}
.process-step h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--dark); }
.process-step p { font-size: 0.88rem; color: var(--gray); line-height: 1.7; }

/* ===== Contact ===== */
.contact-section {
  background: linear-gradient(135deg, var(--green-dark) 0%, #0d3220 100%);
}
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.contact-info .section-title,
.contact-info .section-subtitle { text-align: left; color: white; }
.contact-info .section-subtitle { color: rgba(255,255,255,0.7); }
.contact-info .divider { margin-left: 0; }
.contact-items { display: flex; flex-direction: column; gap: 20px; margin-top: 32px; }
.contact-item {
  display: flex; align-items: center; gap: 16px;
}
.contact-item-icon {
  width: 50px; height: 50px; flex-shrink: 0;
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.contact-item-text strong { color: white; font-size: 1.05rem; display: block; }
.contact-item-text span { color: rgba(255,255,255,0.65); font-size: 0.9rem; }
.phone-big {
  display: block; font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900; color: var(--gold-light);
  letter-spacing: 0.02em; margin-top: 6px;
}
.contact-form {
  background: rgba(255,255,255,0.97);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.contact-form h3 {
  font-size: 1.3rem; font-weight: 700;
  color: var(--dark); margin-bottom: 24px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: 0.88rem; font-weight: 700;
  color: var(--dark); margin-bottom: 7px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 13px 16px;
  border: 1.5px solid #dde8e2;
  border-radius: 10px; font-family: inherit;
  font-size: 0.95rem; color: var(--dark);
  transition: var(--transition); background: var(--off-white);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--green-mid);
  background: white;
  box-shadow: 0 0 0 3px rgba(45,134,83,0.12);
}
.form-group textarea { resize: vertical; min-height: 110px; }

/* ===== Footer ===== */
.footer {
  background: #0a1f12; color: rgba(255,255,255,0.55);
  padding: 40px 0;
  text-align: center; font-size: 0.9rem;
}
.footer strong { color: rgba(255,255,255,0.85); }

/* ===== Floating Call Button ===== */
.float-call {
  position: fixed; bottom: 28px; right: 28px; z-index: 900;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.float-btn {
  width: 60px; height: 60px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; cursor: pointer; border: none;
  box-shadow: 0 8px 28px rgba(0,0,0,0.25);
  transition: var(--transition); text-decoration: none;
}
.float-btn:hover { transform: scale(1.12); }
.float-call-btn { background: linear-gradient(135deg, var(--green-dark), var(--green-mid)); }
.float-kakao-btn { background: #fee500; }

/* ===== Animations ===== */
.fade-up {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .section { padding: 72px 0; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-img-wrap img { height: 340px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { flex-wrap: wrap; gap: 32px; }
  .process-steps::before { display: none; }
  .process-step { flex: 0 0 calc(50% - 16px); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 640px) {
  .nav-links, .nav-phone { display: none; }
  .hamburger { display: flex; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-step { flex: 0 0 100%; }
  .contact-form { padding: 28px 20px; }
  .float-call { bottom: 20px; right: 16px; }
  .float-btn { width: 52px; height: 52px; font-size: 1.3rem; }
}