/* ==========================================================================
   MINIMALIST EDITORIAL PORTFOLIO - WILL PALAIA
   Human, distinctive, modern, and uncluttered.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-main: #0c0e12;
  --bg-surface: #13171f;
  --bg-card: #181d26;
  --bg-card-hover: #1f2532;
  --border-light: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);
  --text-main: #f4f4f6;
  --text-sub: #9ca3af;
  --text-muted: #6b7280;
  --gold-accent: #c5a059;
  --gold-subtle: rgba(197, 160, 89, 0.15);
  --crimson-accent: #be185d;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* Typography styles */
.font-serif-editorial {
  font-family: 'Instrument Serif', Georgia, serif;
}

.font-mono-subtle {
  font-family: 'JetBrains Mono', monospace;
}

/* Custom Minimalist Scrollbar */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
  background: #272c38;
  border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
  background: #3b4254;
}

/* ==========================================================================
   SUBTLE EDITORIAL BACKGROUND TEXTURE (Soft Ambient Warmth)
   ========================================================================== */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 600px;
  background: radial-gradient(ellipse at 50% 0%, rgba(197, 160, 89, 0.04) 0%, rgba(30, 41, 59, 0.08) 45%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

/* ==========================================================================
   INTERACTIVE PLAYING CARDS (PHYSICAL ARTIFACT FEEL)
   Smooth tactile tilt, paper shading, realistic physics
   ========================================================================== */
.cards-stage {
  perspective: 1000px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.playing-card {
  width: 175px;
  height: 255px;
  border-radius: 16px;
  background: linear-gradient(160deg, #1d222d 0%, #141822 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 
    0 16px 36px -10px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease, border-color 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  user-select: none;
}

.playing-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

/* Natural Fanning Positions */
.card-hero-left {
  transform: rotate(-6deg) translateX(12px) translateY(0);
  z-index: 10;
}

.card-hero-right {
  transform: rotate(6deg) translateX(-12px) translateY(0);
  z-index: 11;
}

/* On Container Hover: Smooth Organic Fan-Out */
.cards-stage:hover .card-hero-left {
  transform: rotate(-12deg) translateX(-18px) translateY(-10px);
  border-color: rgba(197, 160, 89, 0.4);
  box-shadow: 
    0 25px 45px -10px rgba(0, 0, 0, 0.75),
    0 0 20px rgba(197, 160, 89, 0.15);
}

.cards-stage:hover .card-hero-right {
  transform: rotate(12deg) translateX(18px) translateY(-10px);
  border-color: rgba(220, 38, 38, 0.35);
  box-shadow: 
    0 25px 45px -10px rgba(0, 0, 0, 0.75),
    0 0 20px rgba(220, 38, 38, 0.15);
}

/* Mobile & Touch state */
.playing-card.card-inspected {
  border-color: var(--gold-accent) !important;
  box-shadow: 0 0 25px rgba(197, 160, 89, 0.25) !important;
}

/* ==========================================================================
   CLEAN CONTENT CARDS (Linear / Vercel Aesthetic)
   ========================================================================== */
.content-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  transition: all 0.25s ease;
}

.content-box:hover {
  background: var(--bg-card);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* Clean Tag Badge */
.pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 0.75rem;
  color: var(--text-sub);
  font-family: 'JetBrains Mono', monospace;
  transition: all 0.15s ease;
}

.pill-tag:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   CONTACT SECTION: SUBMIT BUTTON 3D FLIP
   ========================================================================== */
.submit-flip-box {
  perspective: 800px;
  height: 48px;
  width: 100%;
}

.submit-flipper {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.submit-flipper.flipped {
  transform: rotateX(180deg);
}

.submit-face {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  border-radius: 10px;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.5px;
}

.submit-front {
  background: #1e2430;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: all 0.2s ease;
}

.submit-front:hover {
  background: #262e3d;
  border-color: var(--gold-accent);
}

.submit-back {
  background: #064e3b;
  color: #a7f3d0;
  transform: rotateX(180deg);
  border: 1px solid #10b981;
  pointer-events: none;
}