/* ===================================================================
   AlbaPay Landing Page — Design System
   =================================================================== */

/* --- CSS Variables --- */
:root {
  /* Colors */
  --navy: #1a1a2e;
  --navy-light: #16213e;
  --navy-dark: #0f0f1e;
  --blue-primary: #1a6ebd;
  --blue-accent: #5BA8F5;
  --blue-light: #e8f4fd;
  --coral: #E07A5F;
  --coral-hover: #d4674c;
  --green: #10B981;
  --green-light: #d1fae5;
  --red-soft: #fee2e2;
  --red-text: #dc2626;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;

  /* Typography */
  --font-kr: 'Noto Sans KR', sans-serif;
  --font-en: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-max: 1200px;
  --container-padding: 0 24px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-kr);
  color: var(--gray-800);
  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, ol {
  list-style: none;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-padding);
}

/* --- Scroll Animation (fade-in-up) --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--transition-slow), transform 0.7s var(--transition-slow);
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s var(--transition-slow), transform 0.7s var(--transition-slow);
}
.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s var(--transition-slow), transform 0.7s var(--transition-slow);
}
.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.stagger-children .fade-in:nth-child(1) { transition-delay: 0s; }
.stagger-children .fade-in:nth-child(2) { transition-delay: 0.1s; }
.stagger-children .fade-in:nth-child(3) { transition-delay: 0.2s; }
.stagger-children .fade-in:nth-child(4) { transition-delay: 0.3s; }
.stagger-children .fade-in:nth-child(5) { transition-delay: 0.4s; }
.stagger-children .fade-in:nth-child(6) { transition-delay: 0.5s; }
.stagger-children .fade-in:nth-child(7) { transition-delay: 0.6s; }

/* ===================================================================
   NAVIGATION
   =================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 10px 0;
  background: rgba(26, 26, 46, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.nav-logo-main {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}

.nav-logo-sub {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue-accent);
  transition: width var(--transition-normal);
  border-radius: 1px;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-accent));
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 13px !important;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(26, 110, 189, 0.4);
}

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.nav-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 26, 46, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.nav-mobile.open {
  opacity: 1;
  pointer-events: all;
}

.nav-mobile a {
  color: var(--white);
  font-size: 22px;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.nav-mobile a:hover {
  color: var(--blue-accent);
}

/* ===================================================================
   HERO SECTION
   =================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, var(--navy-dark) 0%, var(--navy) 40%, var(--navy-light) 100%);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

/* Animated background blobs */
.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26, 110, 189, 0.15), transparent 70%);
  top: -200px;
  right: -100px;
  animation: float-slow 8s ease-in-out infinite alternate;
}

.hero::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 168, 245, 0.1), transparent 70%);
  bottom: -150px;
  left: -100px;
  animation: float-slow 10s ease-in-out infinite alternate-reverse;
}

@keyframes float-slow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -20px) scale(1.1); }
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
}

.hero-brand {
  font-family: var(--font-en);
  font-size: 56px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -1px;
  line-height: 1.1;
}

.hero-brand-sub {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 400;
  margin-top: 4px;
  letter-spacing: 2px;
}

.hero-headline {
  font-size: 28px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 20px;
  line-height: 1.4;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 10px 20px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  color: var(--green);
  font-size: 15px;
  font-weight: 600;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-buttons {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.store-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 15px;
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
}

.store-button:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.store-button svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.store-button-label {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.store-button-label small {
  font-size: 10px;
  font-weight: 400;
  opacity: 0.7;
}

.hero-mockup {
  flex: 0 0 auto;
  position: relative;
}

.hero-mockup-img {
  width: 300px;
  border-radius: 32px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.1);
}

/* Hero trust badges */
.hero-trust-badges {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.85);
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ===================================================================
   QUICK FEATURES (Hero 바로 아래 - 5초 핵심)
   =================================================================== */
.quick-features {
  padding: 60px 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
}

.quick-features-header {
  text-align: center;
  margin-bottom: 40px;
}

.quick-features-header h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.quick-features-header p {
  font-size: 15px;
  color: var(--green);
  font-weight: 600;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.quick-card {
  text-align: center;
  padding: 28px 16px;
  border-radius: var(--radius-lg);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
}

.quick-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-primary);
  background: var(--white);
}

.quick-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.quick-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-800);
  line-height: 1.3;
}

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

.section-label {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-primary);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--gray-500);
  max-width: 600px;
  line-height: 1.7;
}

.section-dark {
  background: linear-gradient(160deg, var(--navy-dark), var(--navy));
  color: var(--white);
}

.section-dark .section-title {
  color: var(--white);
}

.section-dark .section-desc {
  color: rgba(255, 255, 255, 0.6);
}

.section-gray {
  background: var(--gray-50);
}

/* ===================================================================
   PAIN POINTS SECTION
   =================================================================== */
.pain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
  align-items: start;
}

.pain-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-normal);
}

.pain-card:hover {
  transform: translateY(-3px);
}

.pain-card--problem {
  background: var(--red-soft);
  border: 1px solid rgba(220, 38, 38, 0.12);
}

.pain-card--solution {
  background: var(--green-light);
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.pain-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.pain-card--problem .pain-icon {
  background: rgba(220, 38, 38, 0.12);
}

.pain-card--solution .pain-icon {
  background: rgba(16, 185, 129, 0.15);
}

.pain-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.pain-card--problem .pain-title {
  color: var(--red-text);
}

.pain-card--solution .pain-title {
  color: #059669;
}

.pain-desc {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.5;
}

.pain-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 0;
  font-size: 32px;
  color: var(--blue-primary);
}

.pain-conclusion {
  text-align: center;
  margin-top: 48px;
  padding: 32px;
  background: linear-gradient(135deg, rgba(26, 110, 189, 0.08), rgba(91, 168, 245, 0.08));
  border-radius: var(--radius-xl);
  border: 1px solid rgba(26, 110, 189, 0.12);
}

.pain-conclusion h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--blue-primary);
}

/* ===================================================================
   FEATURES SECTION
   =================================================================== */
.feature-tabs {
  display: flex;
  gap: 8px;
  margin-top: 48px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.feature-tab {
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-600);
  transition: all var(--transition-fast);
}

.feature-tab.active,
.feature-tab:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.feature-content {
  display: none;
}

.feature-content.active {
  display: flex;
  gap: 60px;
  align-items: center;
}

.feature-text {
  flex: 1;
}

.feature-text h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 16px;
}

.feature-text p {
  font-size: 16px;
  color: var(--gray-600);
  margin-bottom: 24px;
  line-height: 1.7;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--gray-700);
  font-weight: 500;
}

.feature-list li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--green-light);
  color: var(--green);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.feature-mockup {
  flex: 0 0 280px;
}

.feature-mockup img {
  width: 280px;
  border-radius: 28px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
}

/* ===================================================================
   PAYROLL SECTION
   =================================================================== */
.payroll-visual {
  margin-top: 48px;
  display: flex;
  gap: 48px;
  align-items: center;
}

.payroll-calc {
  flex: 1;
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--gray-200);
  font-family: var(--font-kr);
}

.payroll-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: 15px;
}

.payroll-line:last-child {
  border-bottom: none;
  padding-top: 16px;
  margin-top: 8px;
  border-top: 2px solid var(--navy);
}

.payroll-line .label {
  color: var(--gray-600);
  font-weight: 500;
}

.payroll-line .value {
  font-weight: 700;
  color: var(--gray-900);
}

.payroll-line.sub {
  padding-left: 20px;
}

.payroll-line.sub .label {
  font-size: 13px;
  color: var(--gray-400);
}

.payroll-line.sub .label::before {
  content: '├─ ';
  color: var(--gray-300);
}

.payroll-line.total .label {
  font-size: 18px;
  font-weight: 800;
  color: var(--navy);
}

.payroll-line.total .value {
  font-size: 24px;
  font-weight: 900;
  color: var(--blue-primary);
}

.payroll-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  background: rgba(26, 110, 189, 0.1);
  color: var(--blue-primary);
}

.payroll-screenshot {
  flex: 0 0 280px;
}

.payroll-screenshot img {
  width: 280px;
  border-radius: 28px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
}

/* ===================================================================
   DOCUMENTS SECTION
   =================================================================== */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.doc-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
}

.doc-card:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}

.doc-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.doc-card-icon.green { background: rgba(16, 185, 129, 0.2); }
.doc-card-icon.blue { background: rgba(91, 168, 245, 0.2); }
.doc-card-icon.purple { background: rgba(139, 92, 246, 0.2); }
.doc-card-icon.coral { background: rgba(224, 122, 95, 0.2); }
.doc-card-icon.teal { background: rgba(20, 184, 166, 0.2); }

.doc-card-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.docs-notice {
  margin-top: 32px;
  padding: 20px 28px;
  background: rgba(91, 168, 245, 0.1);
  border-left: 3px solid var(--blue-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 15px;
  line-height: 1.6;
}

/* ===================================================================
   INDUSTRIES SECTION
   =================================================================== */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.industry-card {
  text-align: center;
  padding: 28px 16px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
  cursor: default;
}

.industry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-primary);
}

.industry-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.industry-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-800);
}

.industry-sub {
  font-size: 11px;
  color: var(--gray-400);
  margin-top: 4px;
  font-weight: 500;
}

/* ===================================================================
   HOW IT WORKS SECTION
   =================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.step-card {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-accent));
  color: var(--white);
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.step-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.5;
}

/* Arrow between steps */
.step-card:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -18px;
  top: 44px;
  font-size: 24px;
  color: var(--gray-300);
  font-weight: 300;
}

/* ===================================================================
   CTA SECTION
   =================================================================== */
.cta {
  text-align: center;
  background: linear-gradient(160deg, var(--navy-dark), var(--navy), var(--navy-light));
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26, 110, 189, 0.2), transparent 70%);
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
}

.cta-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  position: relative;
  z-index: 1;
}

.cta-desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 16px;
  position: relative;
  z-index: 1;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 36px;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}

.cta-button {
  padding: 16px 36px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all var(--transition-normal);
}

.cta-button--primary {
  background: linear-gradient(135deg, var(--coral), #e8927d);
  color: var(--white);
}

.cta-button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(224, 122, 95, 0.4);
}

.cta-button--secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-button--secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

/* ===================================================================
   FOOTER
   =================================================================== */
.footer {
  background: var(--gray-900);
  padding: 60px 0 40px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand-name {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
}

.footer-brand-sub {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 4px;
}

.footer-company {
  margin-top: 20px;
  font-size: 13px;
  line-height: 1.8;
}

.footer-company strong {
  color: rgba(255, 255, 255, 0.8);
}

.footer-links {
  display: flex;
  gap: 60px;
}

.footer-links-group h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links-group a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 10px;
  transition: color var(--transition-fast);
}

.footer-links-group a:hover {
  color: var(--blue-accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 13px;
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--white);
}

/* ===================================================================
   QUICK FEATURES (보강)
   =================================================================== */
.quick-beta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-full);
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
}

.quick-check {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), #34d399);
  color: var(--white);
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}

.quick-seo-text {
  text-align: center;
  margin-top: 32px;
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.7;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

/* ===================================================================
   COMPARISON TABLE
   =================================================================== */
.compare-table-wrap {
  margin-top: 48px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 15px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.compare-table thead {
  background: var(--navy);
}

.compare-table th {
  padding: 20px 16px;
  color: var(--white);
  font-weight: 700;
  font-size: 14px;
  text-align: center;
  white-space: nowrap;
}

.compare-table th small {
  display: block;
  font-weight: 400;
  font-size: 11px;
  opacity: 0.6;
  margin-top: 2px;
}

.compare-table th:first-child {
  text-align: left;
  min-width: 160px;
}

.compare-table th.compare-highlight {
  background: var(--blue-primary);
}

.compare-table td {
  padding: 16px;
  text-align: center;
  border-bottom: 1px solid var(--gray-100);
  background: var(--white);
  font-weight: 500;
}

.compare-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
}

.compare-table td.compare-highlight {
  background: rgba(26, 110, 189, 0.04);
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table tbody tr:hover td {
  background: var(--gray-50);
}

.compare-table tbody tr:hover td.compare-highlight {
  background: rgba(26, 110, 189, 0.08);
}

.compare-yes {
  color: var(--green);
  font-weight: 800;
  font-size: 18px;
}

.compare-no {
  color: #d1d5db;
  font-weight: 600;
  font-size: 16px;
}

.compare-partial {
  color: #f59e0b;
  font-weight: 700;
  font-size: 16px;
}

/* ===================================================================
   TRUST STRIP (신뢰 배지 바)
   =================================================================== */
.trust-strip {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 48px;
  padding: 24px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  flex-wrap: wrap;
}

.trust-strip-item {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  white-space: nowrap;
}

/* ===================================================================
   KAKAO FLOATING BUTTON
   =================================================================== */
.kakao-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: #FEE500;
  color: #3C1E1E;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  transition: all var(--transition-normal);
  animation: float-bounce 3s ease-in-out infinite;
  cursor: pointer;
}

.kakao-float:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  animation: none;
}

.kakao-float svg {
  width: 22px;
  height: 22px;
}

@keyframes float-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width: 1024px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-mockup-img {
    width: 250px;
  }

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

  .feature-content.active {
    flex-direction: column;
  }

  .feature-mockup {
    flex: none;
  }

  .payroll-visual {
    flex-direction: column;
  }

  .payroll-screenshot {
    flex: none;
  }

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

  .step-card:not(:last-child)::after {
    display: none;
  }

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

  .quick-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 70px 0;
  }

  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-mobile {
    display: flex;
  }

  .hero-brand {
    font-size: 42px;
  }

  .hero-headline {
    font-size: 22px;
  }

  .hero-mockup-img {
    width: 220px;
  }

  .section-title {
    font-size: 28px;
  }

  .feature-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
  }

  .feature-tab {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .feature-mockup img {
    width: 240px;
  }

  .payroll-calc {
    padding: 24px;
  }

  .payroll-screenshot img {
    width: 240px;
  }

  .industry-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

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

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

  .cta-title {
    font-size: 28px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .kakao-float {
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    font-size: 14px;
  }

  .store-button {
    padding: 12px 20px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .hero-brand {
    font-size: 36px;
  }

  .hero-headline {
    font-size: 19px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .store-button {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

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

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

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

  .section-title {
    font-size: 24px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .quick-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .quick-card {
    padding: 16px 8px;
  }

  .quick-icon {
    font-size: 24px;
    margin-bottom: 8px;
  }

  .quick-text {
    font-size: 12px;
  }

  .hero-trust-badges {
    flex-direction: column;
    align-items: center;
    gap: 6px;
  }
}