/* ==========================================================================
   RAON E&D (라온이엔디) Corporate Website Stylesheet
   Modern, Clean, Responsive Design System (2026)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors */
  --color-primary-900: #071326;
  --color-primary-800: #0B192C;
  --color-primary-700: #1E3E62;
  --color-primary-600: #2C5282;
  --color-primary-500: #3182CE;
  
  --color-accent-600: #D97706;
  --color-accent-500: #F59E0B;
  --color-accent-400: #FBBF24;
  --color-accent-glow: rgba(245, 158, 11, 0.28);
  
  --color-gold: #F59E0B;
  --color-success: #10B981;
  --color-info: #0284C7;

  /* Neutral Colors */
  --color-bg-main: #F8FAFC;
  --color-bg-card: #FFFFFF;
  --color-bg-card-subtle: #F1F5F9;
  --color-bg-dark: #07111E;
  --color-bg-dark-card: #0F1F35;
  
  --color-text-main: #0F172A;
  --color-text-body: #334155;
  --color-text-muted: #64748B;
  --color-text-light: #F8FAFC;
  --color-text-white: #FFFFFF;
  
  --color-border: #E2E8F0;
  --color-border-subtle: #F1F5F9;
  --color-border-dark: #1E314D;

  /* Typography */
  --font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
  
  /* Shadows & Elevations */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 25px rgba(245, 158, 11, 0.35);

  /* Spacing & Radii */
  --container-max-w: 1240px;
  --header-height: 76px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg-main);
  color: var(--color-text-body);
  line-height: 1.65;
  font-size: 16px;
  font-weight: 400;
  overflow-x: hidden;
  word-break: keep-all;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: transparent;
  outline: none;
}

.container {
  width: 100%;
  max-width: var(--container-max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* --------------------------------------------------------------------------
   3. Typography & Section Utility
   -------------------------------------------------------------------------- */
.section {
  padding: 100px 0;
  position: relative;
}

.section-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
}

.section-title-wrap {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background-color: rgba(245, 158, 11, 0.12);
  color: var(--color-accent-500);
  margin-bottom: 14px;
}

.section-tag.tag-dark {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-gold);
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--color-text-main);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

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

.section-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.section-dark .section-desc {
  color: #94A3B8;
}

.highlight {
  color: var(--color-accent-500);
}

/* --------------------------------------------------------------------------
   4. Buttons & Badges
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-500) 0%, var(--color-accent-600) 100%);
  color: #FFFFFF;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-400) 0%, var(--color-accent-500) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217, 119, 6, 0.45);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.btn-navy {
  background: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-primary-800) 100%);
  color: #FFFFFF;
}

.btn-navy:hover {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(11, 25, 44, 0.25);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

/* --------------------------------------------------------------------------
   5. Header & Navigation (GNB)
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background-color: rgba(11, 25, 44, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-normal);
}

.header.scrolled {
  background-color: rgba(7, 19, 38, 0.98);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  height: 68px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-badge-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: #FFFFFF;
  padding: 3px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.22);
  border: 1.5px solid rgba(245, 158, 11, 0.35);
  overflow: hidden;
  flex-shrink: 0;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.logo-link:hover .logo-badge-wrap {
  transform: scale(1.05);
  border-color: var(--color-accent-500);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.logo-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-accent-500) 0%, var(--color-accent-600) 100%);
  color: #FFFFFF;
  font-weight: 900;
  font-size: 1.25rem;
  box-shadow: 0 4px 10px rgba(217, 119, 6, 0.35);
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 4px;
}

.logo-title span {
  color: var(--color-accent-500);
}

.logo-sub {
  font-size: 0.68rem;
  font-weight: 600;
  color: #94A3B8;
  letter-spacing: 0.08em;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: #E2E8F0;
  font-size: 0.96rem;
  font-weight: 600;
  padding: 8px 4px;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--color-accent-500);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

.nav-link:hover, .nav-link.active {
  color: #FFFFFF;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-call-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.92rem;
  color: #FFFFFF;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.nav-call-btn:hover {
  background: var(--color-accent-500);
  border-color: var(--color-accent-500);
  color: #FFFFFF;
}

.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  padding: 8px;
}

.hamburger-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #FFFFFF;
  border-radius: 2px;
  transition: all var(--transition-normal);
}

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

.hamburger-btn.active span:nth-child(2) {
  opacity: 0;
}

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

/* Mobile Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: rgba(7, 17, 30, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 30px 24px;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
}

.mobile-nav-drawer.open {
  transform: translateX(0);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 30px;
}

.mobile-nav-link {
  font-size: 1.25rem;
  font-weight: 700;
  color: #F1F5F9;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-link:hover {
  color: var(--color-accent-500);
}

.mobile-drawer-cta {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* --------------------------------------------------------------------------
   6. Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--color-bg-dark);
  color: #FFFFFF;
  padding: calc(var(--header-height) + 60px) 0 80px;
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.18) 0%, transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(30, 62, 98, 0.45) 0%, transparent 50%),
    linear-gradient(180deg, rgba(7, 19, 38, 0.85) 0%, rgba(7, 17, 30, 0.98) 100%);
  z-index: 1;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: 1;
}

.hero-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  color: var(--color-accent-400);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 20px;
  animation: pulse-glow 2.5s infinite;
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  color: #FFFFFF;
}

.hero-title span.grad-text {
  background: linear-gradient(135deg, #FFFFFF 30%, #CBD5E1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title span.orange-glow,
.hero-title span.gold-glow {
  color: var(--color-accent-400);
  text-shadow: 0 0 30px rgba(245, 158, 11, 0.45);
}

.hero-desc {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: #CBD5E1;
  line-height: 1.75;
  margin-bottom: 34px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.85rem;
  font-weight: 900;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}

.stat-number span {
  color: var(--color-accent-500);
}

.stat-label {
  font-size: 0.82rem;
  color: #94A3B8;
  font-weight: 600;
  margin-top: 2px;
}

/* Hero Right Credential Dashboard Box (No Fake Photo) */
.hero-visual {
  position: relative;
}

.hero-credential-box {
  background: linear-gradient(145deg, rgba(15, 31, 53, 0.85) 0%, rgba(7, 19, 38, 0.95) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(16px);
  position: relative;
}

.credential-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 24px;
}

.credential-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cred-logo-wrap {
  width: 44px;
  height: 44px;
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 3px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  border: 1.5px solid rgba(245, 158, 11, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.cred-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--color-accent-500);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 900;
}

.cred-title h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: #FFFFFF;
}

.cred-title p {
  font-size: 0.75rem;
  color: #94A3B8;
}

.cred-status-pill {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34D399;
  font-size: 0.75rem;
  font-weight: 800;
}

.credential-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.cred-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
}

.cred-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.2);
  color: var(--color-accent-400);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 900;
  flex-shrink: 0;
  margin-top: 2px;
}

.cred-text h5 {
  font-size: 0.92rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 2px;
}

.cred-text p {
  font-size: 0.8rem;
  color: #94A3B8;
  line-height: 1.4;
}

.cred-footer-banner {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cred-footer-banner span {
  font-size: 0.85rem;
  font-weight: 700;
  color: #FFFFFF;
}

.cred-footer-banner a {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--color-accent-400);
}

/* --------------------------------------------------------------------------
   7. About Section (회사소개)
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-intro-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
  position: relative;
}

.about-intro-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 40px;
  width: 60px;
  height: 4px;
  background: var(--color-accent-500);
  border-radius: var(--radius-full);
}

.about-ceo-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.ceo-avatar {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-900));
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.25rem;
  box-shadow: 0 4px 10px rgba(11, 25, 44, 0.2);
}

.ceo-info h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text-main);
}

.ceo-info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.about-quote {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary-800);
  line-height: 1.7;
  margin-bottom: 20px;
  border-left: 3px solid var(--color-accent-500);
  padding-left: 16px;
}

.about-text {
  font-size: 0.98rem;
  color: var(--color-text-body);
  line-height: 1.8;
  margin-bottom: 24px;
}

.about-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-box {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.feature-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-500);
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.12);
  color: var(--color-accent-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.feature-box:nth-child(2) .feature-icon-box {
  background: rgba(49, 130, 206, 0.1);
  color: var(--color-primary-500);
}

.feature-box:nth-child(3) .feature-icon-box {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.feature-box:nth-child(4) .feature-icon-box {
  background: rgba(255, 178, 0, 0.12);
  color: #D97706;
}

.feature-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   8. Services Section (사업분야 - Clean Graphic Card Design)
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 28px;
}

.service-card {
  grid-column: span 2;
  background: var(--color-bg-dark-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border-dark);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  padding: 30px 24px;
}

.service-card:nth-child(4) {
  grid-column: 2 / span 2;
}

.service-card:nth-child(5) {
  grid-column: 4 / span 2;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.4);
  border-color: var(--color-accent-500);
}

.service-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-accent-400);
  border: 1px solid rgba(245, 158, 11, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-category-badge {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #94A3B8;
  font-size: 0.75rem;
  font-weight: 700;
}

.service-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 12px;
  line-height: 1.35;
}

.service-card-desc {
  font-size: 0.92rem;
  color: #94A3B8;
  line-height: 1.65;
  margin-bottom: 24px;
}

.service-points-list {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-point {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #CBD5E1;
  font-weight: 600;
}

.service-point svg {
  color: var(--color-accent-500);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   9. Portfolio Section (시공 실적 갤러리)
   -------------------------------------------------------------------------- */
.portfolio-filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-text-muted);
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--color-accent-500);
  color: #FFFFFF;
  border-color: var(--color-accent-500);
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.portfolio-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent-500);
  box-shadow: var(--shadow-xl);
}

/* Real Image Project Box */
.portfolio-img-box {
  width: 100%;
  height: 220px;
  position: relative;
  overflow: hidden;
  background: #E2E8F0;
}

.portfolio-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-img-box img {
  transform: scale(1.08);
}

/* Graphic Spec Placeholder Box (For items without matching photos) */
.portfolio-spec-placeholder {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--color-primary-800) 0%, var(--color-primary-900) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  text-align: center;
  color: #FFFFFF;
}

.spec-placeholder-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--color-accent-400);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}

.spec-placeholder-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: #CBD5E1;
}

.portfolio-badge-category {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(11, 25, 44, 0.85);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  backdrop-filter: blur(4px);
}

.portfolio-card-body {
  padding: 20px;
}

.portfolio-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text-main);
  margin-bottom: 8px;
  line-height: 1.4;
}

.portfolio-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.portfolio-card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* --------------------------------------------------------------------------
   10. Work Process Section (시공 절차)
   -------------------------------------------------------------------------- */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
  margin-top: 30px;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  width: 80%;
  height: 2px;
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.15) 0, rgba(255, 255, 255, 0.15) 8px, transparent 8px, transparent 16px);
  z-index: 1;
}

.process-card {
  position: relative;
  z-index: 2;
  background: var(--color-bg-dark-card);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: 24px 18px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.process-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-500);
}

.process-step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-700);
  color: #FFFFFF;
  font-size: 1.1rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  border: 3px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
  transition: background-color var(--transition-fast);
}

.process-card:hover .process-step-num {
  background: var(--color-accent-500);
}

.process-card-title {
  font-size: 1rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.process-card-desc {
  font-size: 0.82rem;
  color: #94A3B8;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   11. Smart Cost Estimator (스마트 간편 견적 계산기)
   -------------------------------------------------------------------------- */
.estimator-wrapper {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-xl);
  max-width: 960px;
  margin: 0 auto;
}

.estimator-steps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.estimator-left {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.form-group-label {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-text-main);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.type-select-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.type-btn {
  padding: 14px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card-subtle);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text-body);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.type-btn:hover {
  border-color: var(--color-accent-500);
  background: #FFFFFF;
}

.type-btn.active {
  border-color: var(--color-accent-500);
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-accent-500);
  box-shadow: 0 0 0 1px var(--color-accent-500);
}

.area-slider-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.area-inputs-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.area-input-box {
  flex: 1;
  position: relative;
}

.area-input-box input {
  width: 100%;
  padding: 12px 38px 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-primary-800);
  background: #FFFFFF;
}

.area-input-box input:focus {
  border-color: var(--color-accent-500);
  outline: none;
}

.area-unit {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-weight: 700;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.area-range-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--color-border);
  outline: none;
  -webkit-appearance: none;
}

.area-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent-500);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(217, 119, 6, 0.4);
}

.options-check-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.custom-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--color-bg-card-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-body);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.custom-checkbox:hover {
  background: #FFFFFF;
  border-color: var(--color-accent-500);
}

.custom-checkbox input[type="checkbox"] {
  accent-color: var(--color-accent-500);
  width: 16px;
  height: 16px;
}

/* Estimator Right Summary Card */
.estimator-right {
  background: linear-gradient(135deg, var(--color-primary-800) 0%, var(--color-primary-900) 100%);
  border-radius: var(--radius-lg);
  padding: 30px;
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.estimator-summary-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.estimator-rows-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: #CBD5E1;
}

.summary-row.bold {
  color: #FFFFFF;
  font-weight: 700;
}

.estimate-result-box {
  background: rgba(255, 255, 255, 0.08);
  border: 1px dashed rgba(245, 158, 11, 0.45);
  border-radius: var(--radius-md);
  padding: 18px;
  text-align: center;
  margin-bottom: 20px;
}

.estimate-result-label {
  font-size: 0.82rem;
  color: #94A3B8;
  margin-bottom: 4px;
}

.estimate-price-range {
  font-size: 1.65rem;
  font-weight: 900;
  color: var(--color-accent-400);
  letter-spacing: -0.02em;
}

.estimator-notice {
  font-size: 0.75rem;
  color: #94A3B8;
  line-height: 1.5;
  margin-bottom: 20px;
  text-align: center;
}

/* --------------------------------------------------------------------------
   12. Contact & Consultation Form (견적 및 상담 문의)
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
}

.contact-info-panel {
  background: linear-gradient(135deg, var(--color-primary-800) 0%, var(--color-primary-900) 100%);
  border-radius: var(--radius-xl);
  padding: 40px;
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-header h3 {
  font-size: 1.7rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.3;
}

.contact-info-header p {
  color: #94A3B8;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 30px;
}

.contact-direct-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 30px;
}

.direct-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--transition-fast);
}

.direct-card:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--color-accent-500);
}

.direct-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent-500);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.direct-icon.fax {
  background: #0284C7;
  color: #FFFFFF;
}

.direct-icon.email {
  background: #10B981;
  color: #FFFFFF;
}

.direct-text h5 {
  font-size: 0.85rem;
  color: #94A3B8;
  margin-bottom: 2px;
}

.direct-text p {
  font-size: 1.15rem;
  font-weight: 800;
  color: #FFFFFF;
}

.contact-form-panel {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.form-label span.req {
  color: var(--color-accent-500);
  margin-left: 3px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--color-text-main);
  background: #FFFFFF;
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-accent-500);
  outline: none;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

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

.privacy-check-box {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.privacy-check-box input {
  accent-color: var(--color-accent-500);
  width: 16px;
  height: 16px;
}

/* --------------------------------------------------------------------------
   13. Location Section (오시는 길)
   -------------------------------------------------------------------------- */
.location-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.map-placeholder {
  width: 100%;
  height: 100%;
  min-height: 360px;
  background: #E2E8F0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-placeholder iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.location-info-body {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.location-info-body h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-main);
  margin-bottom: 20px;
}

.info-item-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.info-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.12);
  color: var(--color-accent-500);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.info-content h5 {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.info-content p {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-text-main);
}

/* --------------------------------------------------------------------------
   14. Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-primary-900);
  color: #94A3B8;
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 30px;
}

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.footer-logo-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: #FFFFFF;
  padding: 3px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
  border: 1.5px solid rgba(245, 158, 11, 0.35);
  overflow: hidden;
  flex-shrink: 0;
}

.footer-brand h4 {
  font-size: 1.3rem;
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 0;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 380px;
}

.footer-links-col h5 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-list a {
  font-size: 0.85rem;
  color: #94A3B8;
  transition: color var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--color-accent-500);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8rem;
}

.footer-legal-info {
  line-height: 1.7;
}

.footer-copyright {
  color: #64748B;
}

/* --------------------------------------------------------------------------
   15. Modal Dialogs (Portfolio Detail & Estimate Confirm)
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 19, 38, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: translateY(20px);
  transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.08);
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  z-index: 10;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--color-accent-500);
  color: #FFFFFF;
}

.modal-img-box {
  width: 100%;
  height: 320px;
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-800), var(--color-primary-900));
}

.modal-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-body {
  padding: 30px;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-main);
  margin-bottom: 14px;
}

.modal-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 0.9rem;
}

.modal-table th, .modal-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.modal-table th {
  width: 120px;
  color: var(--color-text-muted);
  background: var(--color-bg-card-subtle);
  font-weight: 700;
}

.modal-table td {
  color: var(--color-text-main);
}

/* --------------------------------------------------------------------------
   16. Mobile Floating Action Bar & Back-to-Top
   -------------------------------------------------------------------------- */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(7, 19, 38, 0.96);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  z-index: 990;
  padding: 10px 16px;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 8px;
}

.m-bar-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #FFFFFF;
  padding: 6px;
  border-radius: var(--radius-sm);
}

.m-bar-btn.call {
  background: var(--color-accent-500);
}

.m-bar-btn.fax {
  background: rgba(255, 255, 255, 0.1);
}

.m-bar-btn.quote {
  background: var(--color-primary-700);
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-800);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--color-accent-500);
  transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   17. Keyframe Animations
   -------------------------------------------------------------------------- */
@keyframes float-slow {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(245, 158, 11, 0);
  }
}

/* --------------------------------------------------------------------------
   18. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    max-width: 580px;
    margin: 0 auto;
    width: 100%;
  }

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

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

  .service-card,
  .service-card:nth-child(4),
  .service-card:nth-child(5) {
    grid-column: auto;
  }

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

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

  .process-timeline::before {
    display: none;
  }

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

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

  .location-card {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .nav-desktop, .header-actions .nav-call-btn {
    display: none;
  }

  .hamburger-btn {
    display: flex;
  }

  .section {
    padding: 70px 0;
  }

  .section-title {
    font-size: 1.85rem;
  }

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

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

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

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

  .form-row-2 {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .mobile-bottom-bar {
    display: grid;
  }

  body {
    padding-bottom: 60px;
  }

  .back-to-top {
    bottom: 80px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}