/* =============================================
   GONOW 고나우 — Main Stylesheet
   ============================================= */

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

:root {
  /* Colors */
  --black: #0a0a0a;
  --off-black: #111111;
  --dark: #1a1a1a;
  --dark-2: #222222;
  --dark-3: #2a2a2a;
  --gray-900: #1f1f1f;
  --gray-800: #2d2d2d;
  --gray-700: #3d3d3d;
  --gray-600: #5a5a5a;
  --gray-500: #7a7a7a;
  --gray-400: #9a9a9a;
  --gray-300: #bbbbbb;
  --gray-200: #d5d5d5;
  --gray-100: #f0f0f0;
  --white: #ffffff;
  --white-off: #f8f6f3;

  /* Brand Colors */
  --gold: #c9a96e;
  --gold-light: #ddc08c;
  --gold-dark: #a8843d;
  --cream: #f5f0e8;
  --cream-2: #ede8de;

  /* Typography */
  --font-serif: 'Noto Serif KR', 'Georgia', serif;
  --font-sans: 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  --font-en: 'Inter', sans-serif;

  /* Spacing */
  --section-pad: 120px;
  --container-max: 1200px;
  --container-pad: 40px;

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.0, 0.0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0.0, 1, 1);
  --dur-fast: 0.2s;
  --dur-med: 0.4s;
  --dur-slow: 0.7s;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--black);
  color: var(--gray-200);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
  word-break: keep-all;
  overflow-wrap: break-word;
}

h1, h2, h3, h4, h5, h6, p, li, a, span, blockquote, label {
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* === CONTAINER === */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* === REVEAL ANIMATION === */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === SECTION COMMON === */
.section {
  padding: var(--section-pad) 0;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 64px;
}

.section-num {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}

.section-num--light {
  color: rgba(201, 169, 110, 0.7);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-lead {
  font-size: 18px;
  color: var(--gray-300);
  line-height: 1.8;
  max-width: 700px;
  margin-bottom: 56px;
}

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  transition: background var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 24px var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
}

.logo-en {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--white);
}

.logo-kr {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 500;
  color: var(--gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-300);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color var(--dur-fast) var(--ease);
}

.nav-links a:hover {
  color: var(--white);
}

.nav-cta {
  background: var(--gold) !important;
  color: var(--black) !important;
  padding: 10px 22px;
  border-radius: 4px;
  font-weight: 700 !important;
  transition: background var(--dur-fast) var(--ease) !important;
}

.nav-cta:hover {
  background: var(--gold-light) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--dur-fast) var(--ease);
}

.nav-mobile {
  display: none;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.nav-mobile ul {
  list-style: none;
  padding: 16px var(--container-pad) 24px;
}

.nav-mobile ul li a {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--gray-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color var(--dur-fast) var(--ease);
}

.nav-mobile ul li a:hover {
  color: var(--gold);
}

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

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

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

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(201, 169, 110, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(201, 169, 110, 0.04) 0%, transparent 50%),
    linear-gradient(180deg, var(--black) 0%, var(--off-black) 50%, var(--black) 100%);
}

.hero-noise {
  position: absolute;
  inset: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 256px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 120px var(--container-pad) 80px;
  width: 100%;
}

.hero-label {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(52px, 8vw, 104px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 32px;
}

.hero-title em {
  font-style: normal;
  color: var(--gold);
  position: relative;
  display: inline-block;
}

.hero-title em::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold);
  opacity: 0.4;
  border-radius: 2px;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--gray-400);
  margin-bottom: 48px;
  font-weight: 400;
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--black);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: 4px;
  letter-spacing: 0.02em;
  transition: background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--gray-200);
  text-decoration: none;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 600;
  padding: 16px 28px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.15);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.hero-slogan {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-500);
  letter-spacing: 0.1em;
}

.hero-slogan .divider {
  color: var(--gold);
  opacity: 0.5;
}

.hero-scroll {
  position: absolute;
  bottom: 48px;
  right: var(--container-pad);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 1;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

.hero-scroll span {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--gray-600);
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

/* =============================================
   MARQUEE
   ============================================= */
.marquee-wrap {
  overflow: hidden;
  background: var(--gold);
  padding: 14px 0;
  border-top: 1px solid rgba(0,0,0,0.1);
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

.marquee-track {
  display: flex;
  gap: 0;
  animation: marquee 25s linear infinite;
  white-space: nowrap;
}

.marquee-track span {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
  padding: 0 40px;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about {
  background: var(--off-black);
}

.about-main {
  margin-bottom: 56px;
}

.about-main h3 {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 500;
  color: var(--gray-200);
  line-height: 1.7;
}

.about-main h3 em {
  font-style: normal;
  color: var(--gold);
  font-weight: 700;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-card {
  background: var(--dark);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 36px 28px;
  transition: border-color var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
}

.about-card:hover {
  border-color: rgba(201, 169, 110, 0.3);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: rgba(201, 169, 110, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--gold);
  margin-bottom: 20px;
}

.about-card h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.about-card p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.8;
}

/* =============================================
   BRAND STORY SECTION
   ============================================= */
.story {
  background: var(--black);
  position: relative;
  overflow: hidden;
}

.story-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-en);
  font-size: clamp(120px, 20vw, 280px);
  font-weight: 900;
  letter-spacing: 0.05em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.03);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

.story-lines {
  margin-bottom: 64px;
}

.story-line {
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.story-highlight {
  font-family: var(--font-serif);
  font-size: clamp(17px, 2.2vw, 24px);
  font-weight: 500;
  color: var(--gray-300);
  line-height: 1.5;
  transition: color 0.3s ease;
}

.story-line:hover .story-highlight {
  color: var(--white);
}

.story-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.story-belief {
  background: var(--dark);
  border-left: 3px solid var(--gold);
  padding: 32px 28px;
  border-radius: 0 8px 8px 0;
}

.story-belief p {
  font-size: 16px;
  color: var(--gray-300);
  line-height: 1.9;
  margin-bottom: 4px;
}

.story-belief strong {
  color: var(--gold);
}

.story-quote {
  border: 1px solid rgba(201, 169, 110, 0.2);
  border-radius: 8px;
  padding: 36px;
  background: rgba(201, 169, 110, 0.03);
}

.story-quote p {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  color: var(--gray-300);
  line-height: 1.9;
  font-style: italic;
}

/* =============================================
   PHILOSOPHY SECTION
   ============================================= */
.philosophy {
  background: var(--off-black);
}

.philosophy-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.philosophy-statement h3 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 24px;
}

.philosophy-statement h3 em {
  font-style: normal;
  color: var(--gold);
}

.philosophy-statement p {
  font-size: 16px;
  color: var(--gray-500);
  line-height: 1.85;
}

.philosophy-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.phil-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.phil-dot {
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  flex-shrink: 0;
}

.phil-item p {
  font-size: 16px;
  color: var(--gray-300);
}

.phil-item strong {
  color: var(--white);
}

.philosophy-credo {
  grid-column: 1 / -1;
}

.credo-box {
  background: var(--dark);
  border: 1px solid rgba(201, 169, 110, 0.2);
  border-radius: 12px;
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.credo-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.credo-label {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.credo-text {
  font-family: var(--font-en);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.credo-sub {
  font-size: 16px;
  color: var(--gray-400);
  line-height: 1.9;
}

/* =============================================
   SERVICES SECTION
   ============================================= */
.services {
  background: var(--black);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 12px;
  overflow: hidden;
}

.service-card {
  background: var(--off-black);
  padding: 48px 40px;
  position: relative;
  transition: background var(--dur-med) var(--ease);
}

.service-card:hover {
  background: var(--dark);
}

.service-card::before {
  content: attr(data-num);
  position: absolute;
  top: 28px;
  right: 28px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--gray-700);
}

.service-icon {
  width: 52px;
  height: 52px;
  background: rgba(201, 169, 110, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--gold);
  margin-bottom: 24px;
  transition: background var(--dur-med) var(--ease);
}

.service-card:hover .service-icon {
  background: rgba(201, 169, 110, 0.15);
}

.service-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.service-card p {
  font-size: 15px;
  color: var(--gray-400);
  line-height: 1.8;
  margin-bottom: 20px;
}

.service-focus {
  font-size: 14px !important;
  color: var(--gray-500) !important;
  border-left: 2px solid var(--gold);
  padding-left: 14px;
}

.service-focus strong {
  color: var(--gold) !important;
}

/* =============================================
   STANDARDS SECTION
   ============================================= */
.standards {
  background: var(--off-black);
}

.standards-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.standards-lead {
  font-size: 18px;
  color: var(--gray-200);
  line-height: 1.8;
  margin-bottom: 40px;
}

.standards-lead strong {
  color: var(--gold);
}

.standards-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.standards-checklist li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 16px;
  color: var(--gray-300);
  padding: 16px 20px;
  background: var(--dark);
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.04);
  transition: border-color var(--dur-fast) var(--ease);
}

.standards-checklist li:hover {
  border-color: rgba(201, 169, 110, 0.2);
}

.standards-checklist li i {
  color: var(--gold);
  font-size: 14px;
  flex-shrink: 0;
}

.standards-card {
  background: var(--dark);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 36px;
  margin-bottom: 24px;
}

.std-icon {
  font-size: 24px;
  color: #f0a000;
  margin-bottom: 16px;
}

.standards-card h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}

.standards-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.standards-card ul li {
  font-size: 14px;
  color: var(--gray-400);
  padding-left: 16px;
  position: relative;
}

.standards-card ul li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--gold);
}

.standards-cta {
  background: var(--gold);
  border-radius: 8px;
  padding: 28px;
  text-align: center;
}

.standards-cta p {
  font-size: 15px;
  color: rgba(0,0,0,0.6);
  margin-bottom: 6px;
}

.standards-cta strong {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 900;
  color: var(--black);
}

/* =============================================
   ORIGIN SECTION
   ============================================= */
.origin {
  background: var(--black);
}

.origin-grid {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.origin-main {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.origin-main p {
  font-size: 17px;
  color: var(--gray-300);
  line-height: 1.85;
}

.origin-main strong {
  color: var(--gold);
}

.origin-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pillar {
  background: var(--dark);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 36px 28px;
  transition: border-color var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
}

.pillar:hover {
  border-color: rgba(201, 169, 110, 0.3);
  transform: translateY(-4px);
}

.pillar-icon {
  width: 52px;
  height: 52px;
  background: rgba(201, 169, 110, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--gold);
  margin-bottom: 20px;
}

.pillar h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.pillar p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.8;
}

/* =============================================
   PROJECT SECTION
   ============================================= */
.project {
  background: var(--off-black);
}

.project-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 16px;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 160px;
  flex: 1;
}

.flow-num {
  width: 48px;
  height: 48px;
  background: var(--gold);
  color: var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.flow-step--last .flow-num {
  background: var(--gold-dark);
}

.flow-content h4 {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  word-break: keep-all;
}

.flow-content p {
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.6;
  max-width: 130px;
}

.flow-arrow {
  flex-shrink: 0;
  padding: 0 8px;
  margin-top: 14px;
  color: var(--gold);
  opacity: 0.4;
  font-size: 14px;
}

/* =============================================
   BUSINESS SECTION
   ============================================= */
.business {
  background: var(--black);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.biz-card {
  background: var(--dark);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 40px 36px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
}

.biz-card:hover {
  border-color: rgba(201, 169, 110, 0.25);
  transform: translateY(-4px);
}

.biz-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease);
}

.biz-card:hover::before {
  opacity: 1;
}

.biz-num {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-bottom: 12px;
}

.biz-icon {
  font-size: 28px;
  color: var(--gold);
  margin-bottom: 20px;
}

.biz-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
}

.biz-card > p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.8;
  margin-bottom: 24px;
}

.biz-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.biz-card ul li {
  font-size: 13px;
  color: var(--gray-500);
  padding-left: 14px;
  position: relative;
}

.biz-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 11px;
}

/* =============================================
   DIFFERENCE SECTION
   ============================================= */
.difference {
  background: var(--off-black);
}

.diff-grid {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 64px;
}

.diff-card {
  flex: 1;
  background: var(--dark);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 36px;
}

.diff-card--gonow {
  background: rgba(201, 169, 110, 0.05);
  border-color: rgba(201, 169, 110, 0.25);
}

.diff-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-500);
  background: rgba(255,255,255,0.05);
  padding: 5px 12px;
  border-radius: 3px;
  margin-bottom: 16px;
}

.diff-tag--gonow {
  color: var(--gold);
  background: rgba(201, 169, 110, 0.1);
}

.diff-card p {
  font-size: 16px;
  color: var(--gray-300);
  line-height: 1.8;
}

.diff-card strong {
  color: var(--gold);
}

.diff-vs {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 800;
  color: var(--gray-700);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.diff-points {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  overflow: hidden;
}

.diff-point {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  background: var(--dark);
  padding: 36px 40px;
  transition: background var(--dur-fast) var(--ease);
}

.diff-point:hover {
  background: var(--gray-900);
}

.diff-num {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--gold);
  flex-shrink: 0;
  padding-top: 4px;
}

.diff-point h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.diff-point p {
  font-size: 15px;
  color: var(--gray-400);
  line-height: 1.8;
}

/* =============================================
   FUTURE SECTION
   ============================================= */
.future {
  background: var(--black);
  padding: 0;
}

.future-inner {
  background: linear-gradient(135deg, var(--dark) 0%, var(--off-black) 50%, var(--dark-2) 100%);
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: var(--section-pad) 0;
  position: relative;
  overflow: hidden;
}

.future-inner::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(201, 169, 110, 0.04) 0%, transparent 70%);
}

.future-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 56px;
  letter-spacing: -0.02em;
}

.future-beliefs {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.future-belief {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.belief-bar {
  width: 3px;
  height: 60px;
  background: var(--gold);
  flex-shrink: 0;
  border-radius: 2px;
}

.future-belief p {
  font-family: var(--font-serif);
  font-size: clamp(16px, 2vw, 20px);
  color: var(--gray-300);
  line-height: 1.7;
}

.future-belief strong {
  color: var(--white);
  font-weight: 700;
}

/* =============================================
   MESSAGE SECTION
   ============================================= */
.message {
  background: var(--black);
}

.message-wrap {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.message-label {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
}

.message-headline {
  font-family: var(--font-serif);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}

.message-body {
  font-size: 17px;
  color: var(--gray-400);
  line-height: 1.95;
  margin-bottom: 56px;
}

.message-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

.message-action {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  color: var(--gray-500);
}

.message-action i {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
  font-size: 10px;
}

.message-action--positive {
  color: var(--white);
  font-weight: 600;
}

.message-action--positive i {
  background: var(--gold);
  color: var(--black);
}

/* =============================================
   CONTACT SECTION
   ============================================= */
.contact {
  background: var(--off-black);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-left h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.contact-slogan {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 500;
  color: var(--gold);
  margin-bottom: 40px;
}

.slogan-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-left: 3px solid var(--gold);
  padding-left: 24px;
}

.slogan-box span {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-300);
  letter-spacing: 0.05em;
}

.contact-right h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.contact-right > p {
  font-size: 15px;
  color: var(--gray-500);
  margin-bottom: 36px;
  line-height: 1.7;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-400);
  letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--dark);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--white);
  width: 100%;
  transition: border-color var(--dur-fast) var(--ease);
  outline: none;
  -webkit-appearance: none;
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237a7a7a' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-700);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--gold);
  color: var(--black);
  border: none;
  border-radius: 6px;
  padding: 16px 32px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  width: 100%;
}

.btn-submit:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

.btn-submit:active {
  transform: translateY(0);
}

.form-success {
  text-align: center;
  padding: 48px 24px;
  background: rgba(201, 169, 110, 0.05);
  border: 1px solid rgba(201, 169, 110, 0.2);
  border-radius: 12px;
}

.form-success i {
  font-size: 48px;
  color: var(--gold);
  margin-bottom: 16px;
  display: block;
}

.form-success p {
  font-size: 17px;
  color: var(--gray-200);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 64px 0 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-logo-en {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--white);
}

.footer-logo-kr {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 500;
  color: var(--gold);
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--gray-600);
}

.footer-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 14px;
  color: var(--gray-500);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}

.footer-links a:hover {
  color: var(--gold);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-bottom p {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--gray-700);
  letter-spacing: 0.03em;
}

.footer-slogan {
  font-style: italic;
  color: var(--gold) !important;
  opacity: 0.6;
}

/* =============================================
   SCROLL TOP BUTTON
   ============================================= */
.scroll-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 48px;
  height: 48px;
  background: var(--gold);
  color: var(--black);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease), background var(--dur-fast) var(--ease);
  box-shadow: 0 4px 20px rgba(201, 169, 110, 0.3);
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--gold-light);
}

/* =============================================
   RESPONSIVE — TABLET
   ============================================= */
@media (max-width: 1024px) {
  :root {
    --section-pad: 80px;
    --container-pad: 32px;
  }

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

  .story-bottom {
    grid-template-columns: 1fr;
  }

  .philosophy-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .standards-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .origin-pillars {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .contact-wrap {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .diff-grid {
    flex-direction: column;
  }

  .diff-vs {
    align-self: center;
  }
}

/* =============================================
   RESPONSIVE — MOBILE
   ============================================= */
@media (max-width: 768px) {
  :root {
    --section-pad: 64px;
    --container-pad: 20px;
  }

  /* 모바일 단어 줄바꿈 보강 */
  * {
    word-break: keep-all;
    overflow-wrap: break-word;
  }

  /* Nav */
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-container {
    padding: 20px var(--container-pad);
  }

  /* Hero */
  .hero-scroll {
    display: none;
  }

  /* Marquee */
  .marquee-track span {
    font-size: 11px;
    padding: 0 24px;
  }

  /* Section */
  .section-header {
    gap: 12px;
    margin-bottom: 40px;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* Business */
  .business-grid {
    grid-template-columns: 1fr;
  }

  /* Project flow — stacked */
  .project-flow {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .flow-step {
    flex-direction: row;
    text-align: left;
    gap: 20px;
    min-width: unset;
    width: 100%;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .flow-num {
    margin-bottom: 0;
  }

  .flow-content p {
    max-width: none;
  }

  .flow-content h4 {
    white-space: normal;
  }

  .flow-arrow {
    display: none;
  }

  /* Footer */
  .footer-top {
    flex-direction: column;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  /* Scroll top */
  .scroll-top {
    bottom: 24px;
    right: 24px;
  }

  /* 히어로 타이틀 br 모바일에서 숨김 (자연 줄바꿈에 맡김) */
  .hero-title br,
  .contact-left h2 br,
  .message-headline br,
  .future-content h2 br {
    display: none;
  }

  /* Diff grid */
  .diff-grid {
    flex-direction: column;
    gap: 16px;
  }

  .diff-vs {
    text-align: center;
  }

  /* Standards */
  .standards-wrap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-primary, .btn-ghost {
    width: 100%;
    justify-content: center;
  }

  .credo-box {
    padding: 32px 24px;
  }

  .future-beliefs {
    gap: 24px;
  }

  .footer-links {
    flex-direction: column;
    gap: 12px;
  }
}