/* ==========================================
   DESIGN SYSTEM & CUSTOM PROPERTIES (VARIABLES)
   ========================================== */
:root {
  /* Fonts */
  --font-primary: 'Inter', 'Noto Sans KR', sans-serif;

  /* Colors (Bright, Modern & Minimal Palette) */
  --color-primary: #2563eb;       /* Royal Blue (Trust, Competence) */
  --color-primary-dark: #1d4ed8;  /* Deep Royal Blue */
  --color-primary-light: #eff6ff; /* Very soft light blue */
  --color-secondary: #10b981;     /* Emerald Green (Growth, Energy) */
  --color-accent: #6366f1;        /* Purple Accent */
  
  --color-dark: #0f172a;          /* Slate 900 (Main text, titles) */
  --color-dark-light: #334155;    /* Slate 700 (Body text) */
  --color-gray: #64748b;          /* Slate 500 (Subtext) */
  --color-light-gray: #e2e8f0;    /* Slate 200 (Borders, dividers) */
  --color-bg-base: #ffffff;       /* Pure white */
  --color-bg-alt: #f8fafc;        /* Slate 50 (Alternate section bg) */
  --color-bg-glass: rgba(255, 255, 255, 0.85);
  
  /* Shadows (Elevations) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.06), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
  --shadow-premium: 0 25px 50px -12px rgba(37, 99, 235, 0.08);

  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-base);
  color: var(--color-dark-light);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

button, input, textarea {
  font-family: inherit;
  outline: none;
  border: none;
}

button {
  cursor: pointer;
  background: none;
}

ul {
  list-style: none;
}

/* ==========================================
   SHARED LAYOUT COMPONENTS
   ========================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
}

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

/* Section Header */
.section-header {
  margin-bottom: 60px;
  max-width: 700px;
}
.section-header.text-center {
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 2px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.section-desc {
  font-size: 17px;
  color: var(--color-gray);
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 8px;
  transition: var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-bg-base);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.btn-secondary {
  background-color: var(--color-bg-base);
  color: var(--color-dark-light);
  border: 1px solid var(--color-light-gray);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--color-gray);
  background-color: var(--color-bg-alt);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

.badge {
  display: inline-block;
  padding: 6px 12px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  border-radius: 20px;
  letter-spacing: 1px;
}

/* ==========================================
   NAVIGATION BAR
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: transparent;
  z-index: 1000;
  transition: var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  height: 70px;
  background-color: var(--color-bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-light-gray);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
}

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

.logo-link {
  display: flex;
  align-items: baseline;
}

.logo-img {
  height: 38px;
}

.brand-text {
  font-family: var(--font-primary);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, #e38676 0%, #fca5a5 30%, #8accdb 70%, #a7eed8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  display: inline-block;
  line-height: 1.1;
}

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

.nav-item {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-dark-light);
  position: relative;
  padding: 8px 0;
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
  color: var(--color-primary);
}

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

/* Nav CTA button */
.nav-item.nav-cta {
  background-color: var(--color-primary);
  color: var(--color-bg-base);
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.nav-item.nav-cta::after {
  display: none;
}

.nav-item.nav-cta:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-bg-base);
  transform: translateY(-1px);
}

/* Hamburger mobile menu button */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
}

.hamburger .bar {
  width: 100%;
  height: 2px;
  background-color: var(--color-dark);
  transition: var(--transition-fast);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero-section {
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  background-color: var(--color-bg-alt);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: 90vh;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
}

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

.hero-content .badge {
  margin-bottom: 20px;
}

.hero-title {
  font-size: 52px;
  font-weight: 900;
  color: var(--color-dark);
  line-height: 1.25;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero-title .highlight {
  color: var(--color-primary);
  position: relative;
  display: inline-block;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 0;
  width: 100%;
  height: 8px;
  background-color: rgba(37, 99, 235, 0.08);
  z-index: -1;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--color-dark-light);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image {
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  max-width: 100%;
  object-fit: cover;
  border: 4px solid var(--color-bg-base);
  transition: var(--transition-slow);
}

.hero-image:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.08);
}

/* Floating Info Cards in Hero */
.floating-card {
  position: absolute;
  background-color: var(--color-bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  padding: 16px 24px;
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  animation: floatCard 4s ease-in-out infinite;
}

.card-experience {
  bottom: 20px;
  left: -20px;
}

.card-satisfaction {
  top: 30px;
  right: -20px;
  animation-delay: 2s;
}

.floating-card .card-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-primary);
}

.floating-card .card-txt {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-gray);
  margin-top: 2px;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.scroll-indicator {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.mouse {
  width: 28px;
  height: 46px;
  border: 2px solid var(--color-gray);
  border-radius: 15px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.wheel {
  width: 4px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 2px;
  animation: scrollWheel 1.5s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% { transform: translateY(0); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ==========================================
   ABOUT US SECTION
   ========================================== */
.about-section {
  background-color: var(--color-bg-base);
}

/* Stats Counter Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 80px;
}

.stat-card {
  background-color: var(--color-bg-alt);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  border: 1px solid var(--color-light-gray);
  transition: var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(37, 99, 235, 0.2);
}

.stat-icon {
  font-size: 32px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.stat-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-number::after {
  content: '+';
  color: var(--color-secondary);
}

.stat-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-gray);
}

/* About Details & Timeline Layout */
.about-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: flex-start;
}

.details-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 24px;
}

.details-text {
  font-size: 16px;
  color: var(--color-dark-light);
  margin-bottom: 32px;
}

.value-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.value-list li {
  display: flex;
  gap: 16px;
}

.value-icon {
  width: 24px;
  height: 24px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 3px;
}

.value-info strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.value-info span {
  font-size: 14px;
  color: var(--color-gray);
}

/* Timeline Components */
.about-timeline {
  position: relative;
}

.timeline-container {
  position: relative;
  padding-left: 32px;
}

.timeline-container::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background-color: var(--color-light-gray);
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--color-bg-base);
  border: 3px solid var(--color-primary);
  z-index: 2;
  transition: var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  transform: scale(1.2);
}

.timeline-date {
  font-size: 15px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.timeline-content h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.timeline-content p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.5;
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services-section {
  background-color: var(--color-bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-card {
  background-color: var(--color-bg-base);
  border-radius: 20px;
  padding: 48px;
  border: 1px solid var(--color-light-gray);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-premium);
  border-color: rgba(37, 99, 235, 0.15);
}

.service-icon-box {
  width: 64px;
  height: 64px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 28px;
  transition: var(--transition-normal);
}

.service-card:hover .service-icon-box {
  background-color: var(--color-primary);
  color: var(--color-bg-base);
  transform: rotateY(180deg);
}

.service-card-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 16px;
}

.service-card-text {
  font-size: 15px;
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: 24px;
}

.service-features {
  margin-top: auto;
  border-top: 1px solid var(--color-light-gray);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features li {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-dark-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-features li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--color-secondary);
}

/* ==========================================
   PORTFOLIO SECTION
   ========================================== */
.portfolio-section {
  background-color: var(--color-bg-base);
}

/* Portfolio Filters */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

.filter-btn {
  font-size: 14px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 30px;
  background-color: var(--color-bg-alt);
  color: var(--color-dark-light);
  border: 1px solid var(--color-light-gray);
  transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--color-primary);
  color: var(--color-bg-base);
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.portfolio-card {
  background-color: var(--color-bg-base);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-light-gray);
  transition: var(--transition-normal);
  cursor: pointer;
}

.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(37, 99, 235, 0.15);
}

.portfolio-img-box {
  position: relative;
  height: 240px;
  overflow: hidden;
}

/* Aesthetic Skeletal Gradient Mockups */
.card-skeleton-img {
  width: 100%;
  height: 100%;
  transition: var(--transition-slow);
}

.design-1 { background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%); }
.dev-1    { background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%); }
.ai-1     { background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%); }
.design-2 { background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%); }
.dev-2    { background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%); }
.ai-2     { background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%); }

/* SVG patterns inside skeletal mockups to look premium */
.card-skeleton-img::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.15;
  background-image: radial-gradient(circle, var(--color-primary) 1px, transparent 1px);
  background-size: 16px 16px;
}

.portfolio-card:hover .card-skeleton-img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(37, 99, 235, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-normal);
  z-index: 2;
}

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

.btn-view-project {
  width: 50px;
  height: 50px;
  background-color: var(--color-bg-base);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: var(--shadow-md);
  transform: scale(0.8);
  transition: var(--transition-normal);
}

.portfolio-card:hover .btn-view-project {
  transform: scale(1);
}

.portfolio-info {
  padding: 24px;
}

.portfolio-cat {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: block;
}

.portfolio-card-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-dark);
}

/* Fade animation for filter */
.portfolio-card.hide {
  display: none;
}

.portfolio-card.show {
  animation: revealGrid 0.4s ease-in-out forwards;
}

@keyframes revealGrid {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-section {
  background-color: var(--color-bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: stretch;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-title {
  font-size: 40px;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.25;
  margin: 16px 0 24px 0;
  letter-spacing: -1px;
}

.contact-desc {
  font-size: 16px;
  color: var(--color-gray);
  margin-bottom: 40px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.method-item {
  display: flex;
  gap: 20px;
}

.method-icon {
  width: 50px;
  height: 50px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.method-content {
  display: flex;
  flex-direction: column;
}

.method-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-gray);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.method-val {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-dark-light);
}

a.method-val:hover {
  color: var(--color-primary);
}

/* Contact Form Styling (Floating Label UI) */
.contact-form-panel {
  background-color: var(--color-bg-base);
  border-radius: 20px;
  padding: 48px;
  border: 1px solid var(--color-light-gray);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.input-group {
  position: relative;
  margin-bottom: 28px;
}

.input-group input,
.input-group textarea {
  width: 100%;
  padding: 16px 4px 8px 4px;
  border-bottom: 2px solid var(--color-light-gray);
  font-size: 15px;
  background: transparent;
  color: var(--color-dark);
  transition: var(--transition-fast);
}

.input-group textarea {
  resize: none;
}

.input-group label {
  position: absolute;
  left: 4px;
  top: 16px;
  color: var(--color-gray);
  font-size: 15px;
  transition: var(--transition-fast);
  pointer-events: none;
}

/* Floating Label Animation */
.input-group input:focus ~ label,
.input-group input:valid ~ label,
.input-group textarea:focus ~ label,
.input-group textarea:valid ~ label {
  top: -6px;
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 700;
}

.input-group input:focus,
.input-group textarea:focus {
  border-bottom-color: var(--color-primary);
}

/* Form Validation Styling */
.input-group.error input,
.input-group.error textarea {
  border-bottom-color: #ef4444;
}

.input-group.error label {
  color: #ef4444;
}

.error-msg {
  position: absolute;
  left: 4px;
  bottom: -18px;
  font-size: 11px;
  font-weight: 600;
  color: #ef4444;
  opacity: 0;
  transition: var(--transition-fast);
  pointer-events: none;
}

.input-group.error .error-msg {
  opacity: 1;
}

.privacy-consent {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.privacy-consent input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 2px solid var(--color-light-gray);
  cursor: pointer;
}

.privacy-consent label {
  font-size: 13px;
  color: var(--color-dark-light);
  font-weight: 500;
  cursor: pointer;
}

.privacy-consent.error .block-error {
  opacity: 1;
}

.privacy-consent .block-error {
  bottom: -18px;
}

/* Form Success Overlay Overlay */
.form-success-overlay {
  position: absolute;
  inset: 0;
  background-color: var(--color-bg-base);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-normal);
  transform: scale(0.95);
}

.form-success-overlay.show {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.success-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.success-icon {
  font-size: 64px;
  color: var(--color-secondary);
  margin-bottom: 24px;
  animation: scaleSuccess 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.success-content h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.success-content p {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 30px;
  max-width: 320px;
}

@keyframes scaleSuccess {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* ==========================================
   FOOTER SECTION
   ========================================== */
.footer {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-light-gray);
  padding: 80px 0 0 0;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  gap: 64px;
  margin-bottom: 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo {
  height: 38px;
  margin-bottom: 20px;
}

.footer-brand-desc {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: 24px;
  max-width: 300px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 36px;
  height: 36px;
  background-color: var(--color-bg-base);
  border: 1px solid var(--color-light-gray);
  color: var(--color-dark-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  box-shadow: var(--shadow-sm);
}

.social-links a:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-bg-base);
  transform: translateY(-2px);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.footer-nav-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav-col a {
  font-size: 14px;
  color: var(--color-gray);
}

.footer-nav-col a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--color-light-gray);
  padding: 24px 0;
  font-size: 12px;
  color: var(--color-gray);
}

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

/* ==========================================
   PORTFOLIO DETAIL MODAL
   ========================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-normal);
}

.modal.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal-content-wrapper {
  position: relative;
  background-color: var(--color-bg-base);
  border-radius: 24px;
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  z-index: 2;
  transform: translateY(20px) scale(0.95);
  transition: var(--transition-normal);
}

.modal.show .modal-content-wrapper {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  background-color: var(--color-bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-gray);
  transition: var(--transition-fast);
  z-index: 10;
}

.modal-close:hover {
  background-color: var(--color-light-gray);
  color: var(--color-dark);
}

.modal-body {
  padding: 48px;
}

.modal-proj-header {
  margin-bottom: 24px;
}

.modal-proj-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: inline-block;
  margin-bottom: 8px;
}

.modal-proj-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-dark);
}

.modal-proj-img {
  width: 100%;
  height: 360px;
  border-radius: 16px;
  margin-bottom: 32px;
}

.modal-proj-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
}

.modal-proj-desc h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.modal-proj-desc p {
  font-size: 15px;
  color: var(--color-dark-light);
  line-height: 1.7;
}

.modal-proj-meta {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-light-gray);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.meta-group span {
  display: block;
}

.meta-lbl {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-gray);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.meta-val {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
}

/* ==========================================
   ENTRANCE SCROLL ANIMATION SYSTEM
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================== */

/* Tablet (Large) */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 42px;
  }
  
  .about-details {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

/* Mobile & Small Tablet */
@media (max-width: 768px) {
  section {
    padding: 70px 0;
  }
  
  .section-title {
    font-size: 28px;
  }
  
  /* Navigation mobile behavior */
  .hamburger {
    display: flex;
    z-index: 1001;
  }
  
  .hamburger.open .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.open .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.open .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-bg-base);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
    flex-direction: column;
    justify-content: center;
    gap: 40px;
    padding: 40px;
    transition: var(--transition-normal);
    z-index: 1000;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-item {
    font-size: 18px;
  }
  
  .nav-item.nav-cta {
    width: 100%;
    text-align: center;
  }
  
  /* Hero section mobile */
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 32px;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-image-wrapper {
    order: -1;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .floating-card {
    display: none; /* Hide floating cards on small screens for cleaner mobile UI */
  }
  
  /* Stats grid mobile */
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  /* Services grid mobile */
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .service-card {
    padding: 30px;
  }
  
  /* Portfolio grid mobile */
  .portfolio-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
  
  /* Contact Form Panel mobile */
  .contact-form-panel {
    padding: 30px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .footer {
    padding-top: 50px;
  }
  
  .footer-bottom-container {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  
  .footer-nav {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  /* Modal mobile */
  .modal-body {
    padding: 24px;
  }
  
  .modal-close {
    top: 16px;
    right: 16px;
  }
  
  .modal-proj-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .modal-proj-img {
    height: 200px;
  }
}