/* ============================
   RESET & BASE
============================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #0d0d0d;
  --dark: #1a1a1a;
  --gray-dark: #333333;
  --gray-mid: #666666;
  --gray-light: #f5f5f5;
  --white: #ffffff;
  --accent: #B5192B;
  --accent-dark: #8B0F1C;
  --font: 'Noto Sans KR', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s;
}

ul {
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
}

/* ============================
   UTILITY
============================ */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--black);
  margin-bottom: 20px;
}

.section-title span {
  color: var(--accent);
}

.section-desc {
  font-size: 16px;
  color: var(--gray-mid);
  line-height: 1.8;
  margin-bottom: 60px;
}

/* ============================
   FADE-IN ANIMATION
============================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================
   BUTTONS
============================ */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  padding: 16px 40px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  transition: background 0.2s, transform 0.2s;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.btn-large {
  font-size: 18px;
  padding: 20px 56px;
}

/* ============================
   HEADER
============================ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: background 0.3s, box-shadow 0.3s, border-color 0.3s, backdrop-filter 0.3s;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 40px;
  height: 70px;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.btn-contact-header {
  margin-left: auto;
  font-size: 13px;
  font-weight: 800;
  color: var(--black);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 22px;
  border: 1.5px solid rgba(0,0,0,0.55);
  border-radius: 999px;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  white-space: nowrap;
}

.btn-contact-header:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

.logo {
  font-size: 22px;
  font-weight: 900;
  color: var(--black);
  letter-spacing: 0.05em;
}

.logo span {
  color: var(--accent);
}

.nav-desktop ul {
  display: flex;
  gap: 36px;
}

.nav-desktop ul li a {
  font-size: 13px;
  font-weight: 700;
  color: var(--black);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-desktop ul li a:hover {
  color: var(--accent);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.nav-mobile {
  display: none;
  background: transparent;
}

.nav-mobile.open {
  display: block;
}

.nav-mobile ul {
  padding: 16px 0;
}

.nav-mobile ul li a {
  display: block;
  padding: 14px 5%;
  font-size: 14px;
  font-weight: 700;
  color: var(--black);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: color 0.2s, background 0.2s;
}

.nav-mobile ul li a:hover {
  color: var(--accent);
  background: rgba(181,25,43,0.04);
}

/* ============================
   HERO
============================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: #ffffff;
  overflow: hidden;
}

.hero-bg-vanta {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-vanta canvas {
  width: 100% !important;
  height: 100% !important;
}

/* 히어로 내부 */
.hero-inner {
  position: relative;
  z-index: 2;
  width: 90%;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 140px 0 100px;
}

/* 카피 */
.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-title {
  font-size: clamp(38px, 4.8vw, 66px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--black);
  margin-bottom: 24px;
  overflow: hidden;
}

.hero-line-1 {
  display: block;
  animation: heroSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.25s;
}

.hero-line-2 {
  display: block;
  animation: heroSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.38s;
}

.hero-line-3 {
  display: block;
  animation: heroSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: 0.51s;
}

.hero-line-3 em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  font-size: clamp(14px, 1.4vw, 16px);
  color: var(--black);
  line-height: 1.8;
  margin-bottom: 36px;
  animation: heroFadeUp 0.7s ease both;
  animation-delay: 0.65s;
}

.hero-cta {
  animation: heroFadeUp 0.7s ease both;
  animation-delay: 0.78s;
}


/* 스크롤 인디케이터 */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 0;
  animation: heroScrollFadeIn 0.8s ease forwards;
  animation-delay: 1.4s;
}

.hero-scroll__mouse {
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 13px;
  display: flex;
  justify-content: center;
  padding-top: 7px;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.08);
  transition: border-color 0.3s;
}

.hero-scroll__mouse:hover {
  border-color: var(--accent);
}

.hero-scroll__wheel {
  display: block;
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: heroScrollWheel 2s ease-in-out infinite;
}

.hero-scroll__label {
  font-size: 9px;
  letter-spacing: 0.25em;
  color: rgba(255, 255, 255, 0.4);
  font-weight: 500;
}

@keyframes heroScrollFadeIn {
  from { opacity: 0; transform: translateX(-50%) translateY(12px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

@keyframes heroScrollWheel {
  0%   { transform: translateY(0);   opacity: 1; }
  60%  { transform: translateY(10px); opacity: 0; }
  61%  { transform: translateY(0);   opacity: 0; }
  100% { transform: translateY(0);   opacity: 1; }
}

@keyframes heroFadeUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

@keyframes heroSlideUp {
  from { transform: translateY(60%); opacity: 0; }
  to   { transform: translateY(0);   opacity: 1; }
}


/* ============================
   ABOUT / STATS
============================ */
.about-section {
  padding: 120px 0;
  background: var(--white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.stat-card {
  background: var(--gray-light);
  border-radius: 12px;
  padding: 40px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.stat-card:hover::before {
  transform: scaleX(1);
}

.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.stat-number {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 900;
  color: var(--black);
  line-height: 1;
  display: inline;
}

.stat-unit {
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 700;
  color: var(--accent);
  display: inline;
  margin-left: 4px;
}

.stat-label {
  font-size: 14px;
  color: var(--gray-mid);
  margin-top: 12px;
  font-weight: 500;
  line-height: 1.5;
}

/* ============================
   REVIEWS
============================ */
.reviews-section {
  padding: 120px 0;
  background:
    radial-gradient(circle at 84% 14%, rgba(181,25,43,0.10), transparent 24%),
    linear-gradient(180deg, #f7f3f1 0%, #ffffff 100%);
}

.reviews-layout {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 38px;
  align-items: start;
}

.reviews-intro {
  position: sticky;
  top: 108px;
}

.reviews-desc {
  margin-bottom: 28px;
}

.reviews-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.reviews-badge {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(181,25,43,0.08);
  border: 1px solid rgba(181,25,43,0.12);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.reviews-gallery {
  column-count: 3;
  column-gap: 22px;
}

.review-shot {
  display: block;
  position: relative;
  break-inside: avoid;
  margin-bottom: 22px;
  padding: 14px;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(180deg, #23272d 0%, #12151b 100%);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 20px 48px rgba(11,18,31,0.18);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.review-shot::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(254,229,0,0.16), transparent 24%),
    linear-gradient(135deg, rgba(255,255,255,0.05), transparent 42%);
  pointer-events: none;
}

.review-shot:hover {
  transform: translateY(-8px);
  border-color: rgba(255,255,255,0.16);
  box-shadow: 0 28px 56px rgba(11,18,31,0.24);
}

.review-shot-head,
.review-shot-foot {
  position: relative;
  z-index: 1;
}

.review-shot-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.review-shot-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.72);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.review-shot-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #FEE500;
  box-shadow: 0 0 0 6px rgba(254,229,0,0.12);
}

.review-shot-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,0.78);
}

.review-shot img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  display: block;
  border-radius: 20px;
  background: #000000;
}

.review-shot-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
}

.review-shot-foot strong {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

.review-shot-foot span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.68);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* ============================
   WORK / PORTFOLIO
============================ */
.work-section {
  padding: 120px 0;
  background:
    radial-gradient(circle at top left, rgba(181,25,43,0.06), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #fbf7f7 100%);
}

.work-section-desc {
  max-width: 760px;
  margin-bottom: 0;
}

.work-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 32px;
}

.work-highlight {
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid rgba(181,25,43,0.14);
  background: rgba(255,255,255,0.84);
  box-shadow: 0 12px 32px rgba(14,20,33,0.05);
}

.work-highlight strong {
  display: block;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--black);
}

.work-highlight span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--gray-mid);
  line-height: 1.6;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  margin-top: 48px;
  align-items: stretch;
}

.work-card {
  display: flex;
  flex-direction: column;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 18px 45px rgba(10,17,34,0.08);
  transition: transform 0.3s, box-shadow 0.3s;
  background: rgba(255,255,255,0.96);
}

.work-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 28px 56px rgba(10,17,34,0.14);
}

.work-media-link {
  display: block;
}

.work-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  min-height: 280px;
  overflow: hidden;
  padding: 18px;
  background: linear-gradient(180deg, #f8f9fb 0%, #eef1f5 100%);
}

.work-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  border-radius: 12px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(15,23,42,0.08);
}

.work-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
  padding: 0;
  border-radius: 0;
  pointer-events: none;
}

.work-card:hover .work-overlay {
  opacity: 1;
}

.work-overlay span {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.08em;
  border: 1.5px solid rgba(255,255,255,0.8);
  padding: 8px 18px;
  border-radius: 4px;
}

.work-info {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 12px;
  padding: 24px 24px 26px;
}

.work-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0;
}

.work-title {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--black);
  margin-bottom: 0;
  letter-spacing: -0.02em;
}

.work-desc {
  font-size: 15px;
  color: var(--gray-mid);
  line-height: 1.7;
}

.work-kpis {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
  padding-top: 6px;
}

.work-kpi {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(181,25,43,0.08);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ============================
   CTA
============================ */
.cta-section {
  position: relative;
  padding: 140px 0;
  overflow: hidden;
  text-align: center;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #8B0F1C 0%, #B5192B 50%, #C91E35 100%);
}

.cta-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 30% 30%, rgba(255,255,255,0.1) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 80% 80%, rgba(0,0,0,0.15) 0%, transparent 60%);
}

.cta-inner {
  position: relative;
  z-index: 1;
}

.cta-eyebrow {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.cta-title {
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
}

.cta-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 48px;
}

.cta-section .btn-primary {
  background: var(--white);
  color: var(--accent);
}

.cta-section .btn-primary:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-2px);
}

/* ============================
   FOOTER
============================ */
.footer {
  background: #060606;
  padding: 60px 0 40px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: start;
}

.footer-logo {
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.05em;
}

.footer-logo span {
  color: var(--accent);
}

.footer-info p {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 2;
}

.footer-info strong {
  color: rgba(255,255,255,0.65);
  font-weight: 500;
}

.footer-copy {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 24px;
  margin-top: 8px;
}

.footer-copy p {
  font-size: 12px;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.03em;
}

/* ============================
   RESPONSIVE
============================ */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .reviews-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .reviews-intro {
    position: static;
  }

  .reviews-gallery {
    column-count: 2;
  }

  .work-highlights {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .work-thumb {
    min-height: 250px;
  }
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .header-inner {
    gap: 18px;
  }

  .logo {
    font-size: 18px;
    white-space: nowrap;
  }

  .btn-contact-header {
    font-size: 11px;
    padding: 8px 16px;
    letter-spacing: 0.08em;
  }

  .hero-inner {
    padding: 120px 5% 80px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-card {
    padding: 28px 20px;
  }

  .reviews-gallery {
    column-count: 1;
    column-gap: 0;
  }

  .review-shot {
    margin-bottom: 18px;
    padding: 12px;
    border-radius: 24px;
  }

  .review-shot img {
    border-radius: 18px;
  }

  .review-shot-foot {
    flex-wrap: wrap;
  }

  .work-highlights {
    grid-template-columns: 1fr;
    margin-top: 24px;
  }

  .work-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .work-thumb {
    min-height: 220px;
    padding: 14px;
  }

  .work-overlay {
    inset: 0;
  }

  .work-info {
    padding: 22px 20px 24px;
  }

  .work-title {
    font-size: 20px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about-section,
  .work-section,
  .reviews-section {
    padding: 80px 0;
  }

  .cta-section {
    padding: 100px 0;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    gap: 12px;
  }

  .logo {
    font-size: 16px;
  }

  .btn-contact-header {
    font-size: 10px;
    padding: 7px 12px;
    letter-spacing: 0.06em;
  }

  .hero-inner {
    padding: 100px 5% 70px;
  }

  .hero-title {
    font-size: clamp(34px, 9vw, 52px);
  }

  .btn-large {
    font-size: 16px;
    padding: 16px 32px;
  }
}