@charset "UTF-8";
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.8/dist/web/static/pretendard.css");

/* ── Base & Global ── */
:root {
  --brand-navy: #0f172a;
  --brand-dark: #1e293b;
  --brand-amber: #f59e0b;
  --brand-orange: #ea580c;
  --brand-emerald: #10b981;
  --brand-emerald-dark: #059669;
}

html {
  scroll-behavior: smooth;
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  letter-spacing: -0.02em;
}

body {
  color: #1e293b;
  background-color: #f8fafc;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Glassmorphism Navigation ── */
.glass-nav {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: all 0.3s ease;
}

.glass-nav-scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
}

.glass-dark {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ── Hero Gradient & Pattern ── */
.hero-gradient-overlay {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 41, 59, 0.88) 50%, rgba(15, 23, 42, 0.95) 100%);
}

.grid-pattern {
  background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* ── Custom Animations ── */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#mobile-menu:not(.hidden) {
  animation: slideDown 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.4);
  }
  50% {
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.8);
  }
}

@keyframes floatBadge {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-4px);
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-pulse-glow {
  animation: pulseGlow 2.5s infinite;
}

.animate-float {
  animation: floatBadge 3s ease-in-out infinite;
}

/* ── Interactive Estimate Calculator Card Toggles ── */
.calc-card-input:checked + .calc-card-label {
  border-color: #f59e0b;
  background-color: rgba(245, 158, 11, 0.08);
  color: #0f172a;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.15);
}

.calc-card-input:checked + .calc-card-label .check-indicator {
  background-color: #f59e0b;
  border-color: #f59e0b;
  color: #ffffff;
}

/* ── Custom Range Slider ── */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #e2e8f0;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #f59e0b;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: transform 0.1s ease, background-color 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: #ea580c;
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* ── Thumbnail Hover Zoom ── */
.project-img-card:hover img {
  transform: scale(1.06);
}

/* ── Badges & Tags ── */
.badge-eco {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
}

.badge-heavy {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
}

.badge-dark {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #ffffff;
}

/* ── Floating Side Action ── */
.floating-btn-shadow {
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.3), 0 8px 10px -6px rgba(15, 23, 42, 0.2);
}