/* ==========================================================================
   AVANT-GARDE TYPOGRAPHIC UI // DESIGN SYSTEM & KINETIC ENGINE
   Fahmi el murottal Portfolio Redesign
   Art Direction: Brutalist Swiss Modernism, Extreme Scale Contrast, 3D Kinetic Depth
   ========================================================================== */

/* Root Variables & Color Tokens */
:root {
  --bg-void: #070707;
  --bg-surface: #0f0f0f;
  --bg-elevated: #161616;
  --text-primary: #f5f4ef;
  --text-secondary: #8e8d88;
  --text-muted: #555450;
  --border-hairline: rgba(245, 244, 239, 0.08);
  --border-active: rgba(245, 244, 239, 0.25);
  --accent-neon: #ff3e00;
  --accent-glow: rgba(255, 62, 0, 0.4);
  --accent-hover: #ff5722;
  --font-display: 'Syne', 'Space Grotesk', -apple-system, sans-serif;
  --font-sans: 'Space Grotesk', -apple-system, sans-serif;
  --font-serif: 'Italiana', 'Playfair Display', serif;
  --font-mono: 'JetBrains Mono', monospace;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-cubic: cubic-bezier(0.65, 0, 0.35, 1);
}

/* Light / Paper Mode Inversion */
[data-theme="paper"] {
  --bg-void: #f5f4ef;
  --bg-surface: #ebeae3;
  --bg-elevated: #dfded6;
  --text-primary: #0a0a0a;
  --text-secondary: #5a5955;
  --text-muted: #999893;
  --border-hairline: rgba(10, 10, 10, 0.09);
  --border-active: rgba(10, 10, 10, 0.3);
  --accent-neon: #0047ff;
  --accent-glow: rgba(0, 71, 255, 0.35);
  --accent-hover: #1e5eff;
}

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

html {
  font-size: 16px;
  background-color: var(--bg-void);
  color: var(--text-primary);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-void);
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
  cursor: none; /* Custom kinetic cursor replaces default */
  transition: background-color 0.5s var(--ease-out-expo), color 0.5s var(--ease-out-expo);
}

/* Fallback cursor for touch devices */
@media (pointer: coarse) {
  body {
    cursor: auto;
  }
  .custom-cursor-container {
    display: none !important;
  }
}

/* Selection Color */
::selection {
  background: var(--accent-neon);
  color: #ffffff;
}

/* Architectural Grid Overlay */
.architectural-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  max-width: 100vw;
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 48px);
}

.grid-col-line {
  border-right: 1px solid var(--border-hairline);
  height: 100%;
}

.grid-col-line:first-child {
  border-left: 1px solid var(--border-hairline);
}

/* Crosshair Markers at intersections */
.crosshair {
  position: absolute;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  pointer-events: none;
  user-select: none;
  opacity: 0.5;
  transition: opacity 0.3s ease, transform 0.4s var(--ease-out-expo);
}

/* Typography Hierarchy */
.text-hero-massive {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 11rem);
  font-weight: 800;
  line-height: 0.88;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.text-hero-compact {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.2vw, 4.8rem);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

/* Avant-Garde Profile Circle System */
.profile-circle-container {
  position: relative;
  width: clamp(160px, 22vw, 240px);
  height: clamp(160px, 22vw, 240px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-orbit-ring {
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  border: 1px dashed var(--border-active);
  pointer-events: none;
  animation: orbitRotate 30s linear infinite;
  transition: border-color 0.4s ease;
}

.profile-circle-container:hover .profile-orbit-ring {
  border-color: var(--accent-neon);
}

@keyframes orbitRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.profile-orbit-cross {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-neon);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  opacity: 0.7;
}

.profile-circle-frame {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  border: 2px solid var(--accent-neon);
  background: var(--bg-elevated);
  box-shadow: 0 0 35px var(--accent-glow), inset 0 0 20px rgba(0, 0, 0, 0.4);
  transform: translateZ(0);
}

.profile-circle-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  filter: grayscale(10%) contrast(106%);
  transition: transform 0.6s var(--ease-out-expo), filter 0.6s ease;
}

.profile-circle-container:hover .profile-circle-frame img {
  transform: scale(1.06);
  filter: grayscale(0%) contrast(108%);
}

.profile-scan-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-neon), transparent);
  opacity: 0.6;
  pointer-events: none;
  animation: scanDown 4s ease-in-out infinite alternate;
}

@keyframes scanDown {
  0% { top: 0%; opacity: 0; }
  20% { opacity: 0.8; }
  80% { opacity: 0.8; }
  100% { top: 98%; opacity: 0; }
}

.profile-telemetry-tag {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-void);
  border: 1px solid var(--accent-neon);
  padding: 3px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.6);
  z-index: 2;
  text-transform: uppercase;
}

.text-section-huge {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8.5vw, 9rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.text-display-sub {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.2vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.text-micro-utility {
  font-family: var(--font-mono);
  font-size: clamp(0.68rem, 0.8vw, 0.78rem);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.text-serif-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

/* Kinetic 3D Scroll Perspective Container */
.perspective-stage {
  perspective: 1200px;
  perspective-origin: 50% 50%;
  transform-style: preserve-3d;
}

.tilt-plane-3d {
  transform-style: preserve-3d;
  will-change: transform, opacity;
  transform: translateZ(0);
}

/* Staggered Split Text Reveal Mechanics */
.char-mask, .word-mask {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  line-height: inherit;
}

.char-inner, .word-inner {
  display: inline-block;
  transform: translateY(115%) rotate(3deg);
  opacity: 0;
  will-change: transform, opacity;
  transition: transform 1.2s var(--ease-out-expo), opacity 1s var(--ease-out-expo);
}

.revealed .char-inner, .revealed .word-inner {
  transform: translateY(0%) rotate(0deg);
  opacity: 1;
}

/* Kinetic 3D Ribbons (Marquee Wave) */
.ribbon-wrap-3d {
  position: relative;
  width: 120vw;
  left: -10vw;
  overflow: hidden;
  perspective: 800px;
  transform-style: preserve-3d;
  padding: 2.5rem 0;
  pointer-events: none;
}

.ribbon-track {
  display: flex;
  white-space: nowrap;
  width: max-content;
  will-change: transform;
}

.ribbon-band-1 {
  transform: rotateZ(-3.2deg) rotateX(24deg) skewX(-12deg);
  background: var(--bg-void);
  border-top: 1px solid var(--accent-neon);
  border-bottom: 1px solid var(--accent-neon);
  box-shadow: 0 10px 40px rgba(0,0,0,0.8);
}

.ribbon-band-2 {
  transform: rotateZ(2.5deg) rotateX(-20deg) skewX(10deg);
  background: var(--bg-surface);
  border-top: 1px solid var(--border-active);
  border-bottom: 1px solid var(--border-active);
  box-shadow: 0 10px 40px rgba(0,0,0,0.9);
}

.ribbon-text {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  padding: 0 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
}

.ribbon-text-outline {
  -webkit-text-stroke: 1.5px var(--text-primary);
  color: transparent;
  transition: color 0.3s ease, -webkit-text-stroke 0.3s ease;
}

/* Hover Distortions & Typographic Metamorphosis */
.kinetic-hover-swap {
  display: inline-block;
  position: relative;
  cursor: pointer;
  transition: transform 0.4s var(--ease-out-expo), color 0.3s ease;
}

.kinetic-hover-swap:hover {
  transform: skewX(-9deg) translateY(-2px);
  color: var(--accent-neon);
}

.kinetic-hover-swap:hover .swap-serif {
  font-family: var(--font-serif) !important;
  font-style: italic !important;
  letter-spacing: 0.04em;
}

/* Interactive Project Row (Cardless Typographic Layout) */
.project-row {
  border-top: 1px solid var(--border-hairline);
  padding: clamp(1.8rem, 3.5vw, 3.2rem) 0;
  position: relative;
  transition: border-color 0.4s var(--ease-out-expo), background-color 0.4s ease;
}

.project-row:last-child {
  border-bottom: 1px solid var(--border-hairline);
}

.project-row:hover {
  border-color: var(--accent-neon);
  background-color: rgba(255, 62, 0, 0.02);
}

.project-row .project-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 4.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  transition: transform 0.4s var(--ease-out-expo), color 0.3s ease, font-family 0.3s ease;
}

.project-row:hover .project-title {
  transform: translateX(20px);
  color: var(--accent-neon);
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

.project-arrow {
  opacity: 0;
  transform: translateX(-15px) scale(0.8);
  transition: all 0.4s var(--ease-out-expo);
  color: var(--accent-neon);
}

.project-row:hover .project-arrow {
  opacity: 1;
  transform: translateX(0) scale(1);
}

/* Floating Image / Preview Tooltip for Projects */
.project-preview-modal {
  position: fixed;
  pointer-events: none;
  width: 320px;
  height: 220px;
  z-index: 50;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.85) rotate(-3deg);
  transition: opacity 0.35s ease, transform 0.45s var(--ease-out-expo);
  background: var(--bg-surface);
  border: 1px solid var(--border-active);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0,0,0,0.6);
}

.project-preview-modal.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1) rotate(0deg);
}

/* Custom Cursor Elements */
.custom-cursor-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
}

.cursor-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  background-color: var(--accent-neon);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition: width 0.2s ease, height 0.2s ease, background-color 0.3s ease;
}

.cursor-ring {
  position: fixed;
  width: 38px;
  height: 38px;
  border: 1px solid var(--accent-neon);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition: width 0.35s var(--ease-out-expo), 
              height 0.35s var(--ease-out-expo), 
              background-color 0.35s var(--ease-out-expo),
              border-color 0.35s var(--ease-out-expo),
              transform 0.15s ease-out;
}

.cursor-ghost-text {
  position: fixed;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-neon);
  white-space: nowrap;
  transform: translate(24px, 16px);
  background: rgba(7, 7, 7, 0.85);
  border: 1px solid rgba(255, 62, 0, 0.3);
  padding: 2px 7px;
  border-radius: 2px;
  backdrop-filter: blur(4px);
  opacity: 0.85;
  transition: opacity 0.3s ease, border-color 0.3s ease, background-color 0.3s ease;
}

/* Hover state on clickable elements */
.cursor-hover .cursor-ring {
  width: 72px;
  height: 72px;
  background-color: var(--accent-glow);
  border-color: var(--accent-neon);
}

.cursor-hover .cursor-dot {
  width: 0;
  height: 0;
}

/* Form Styles - Brutalist Line Inputs */
.brutalist-input-wrap {
  position: relative;
  margin-bottom: 2rem;
}

.brutalist-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-hairline);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.4vw, 1.3rem);
  padding: 1rem 0;
  outline: none;
  transition: border-color 0.3s ease;
}

.brutalist-input:focus {
  border-color: var(--accent-neon);
}

.brutalist-label {
  position: absolute;
  top: 1rem;
  left: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  pointer-events: none;
  transition: transform 0.3s var(--ease-out-expo), color 0.3s ease, font-size 0.3s ease;
}

.brutalist-input:focus ~ .brutalist-label,
.brutalist-input:not(:placeholder-shown) ~ .brutalist-label {
  transform: translateY(-1.6rem);
  color: var(--accent-neon);
  font-size: 0.65rem;
}

/* Progress Typographic Metric Bars */
.metric-row {
  border-bottom: 1px solid var(--border-hairline);
  padding: 1.5rem 0;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  align-items: center;
  gap: 1rem;
}

.metric-bar-outer {
  position: relative;
  width: 100%;
  height: 2px;
  background: var(--border-hairline);
  overflow: hidden;
}

.metric-bar-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--accent-neon);
  transition: width 1.5s var(--ease-out-expo);
}

/* Ghost Letters in Background */
.ghost-watermark {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(15rem, 30vw, 35rem);
  color: rgba(255, 255, 255, 0.018);
  pointer-events: none;
  user-select: none;
  line-height: 0.8;
  z-index: 0;
  will-change: transform;
}

[data-theme="paper"] .ghost-watermark {
  color: rgba(0, 0, 0, 0.025);
}

/* Sound / HUD Pill */
.hud-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  background: transparent;
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.hud-btn:hover, .hud-btn.active {
  border-color: var(--accent-neon);
  color: var(--accent-neon);
  background: rgba(255, 62, 0, 0.06);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 4px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-active);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-neon);
}

/* Responsive Overrides */
@media (max-width: 768px) {
  .architectural-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  .metric-row {
    grid-template-columns: 1fr auto;
  }
  .metric-bar-outer {
    grid-column: span 2;
    margin-top: 0.5rem;
  }
  .ribbon-wrap-3d {
    width: 140vw;
    left: -20vw;
  }
}