/* ==========================================================================
   Rizirfan Portfolio - Premium Design System (CSS Variables & Core Setup)
   ========================================================================== */

:root {
  /* Color Palette (HSL Tailored for sleek dark theme) */
  --bg-deep: #030712;
  --bg-card: rgba(15, 23, 42, 0.55);
  --bg-card-hover: rgba(30, 41, 59, 0.75);
  --primary: #8b5cf6;         /* Indigo / Violet */
  --primary-glow: rgba(139, 92, 246, 0.25);
  --secondary: #06b6d4;       /* Cyan */
  --secondary-glow: rgba(6, 182, 212, 0.2);
  --accent: #ec4899;          /* Pink accent */
  --text-main: #f3f4f6;       /* Bright light gray */
  --text-muted: #9ca3af;      /* Medium gray */
  --text-subtle: #6b7280;     /* Darker gray */
  --stroke: rgba(255, 255, 255, 0.08);
  --stroke-glow: rgba(139, 92, 246, 0.4);
  --success: #10b981;

  /* Typography */
  --font-family: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;

  /* Layout & Sizing */
  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s ease;
  
  /* Shadow & Glows */
  --shadow-main: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 25px var(--primary-glow);

  /* Element Backgrounds (Dark Theme) */
  --bg-header: rgba(3, 7, 18, 0.7);
  --bg-header-scrolled: rgba(3, 7, 18, 0.85);
  --bg-mobile-menu: rgba(3, 7, 18, 0.98);
  --bg-input: rgba(3, 7, 18, 0.4);
  --bg-input-focus: rgba(3, 7, 18, 0.7);
  --bg-footer: rgba(3, 7, 18, 0.95);
  --gradient-text-bg: linear-gradient(135deg, #fff 30%, var(--primary) 70%, var(--secondary) 100%);

  /* Canvas Gradient for Dark Theme */
  --bg-canvas: radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 40%),
               radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.06) 0%, transparent 45%),
               #050814;

  /* Component UI Variables for Dark Theme */
  --bg-secondary-btn: rgba(255, 255, 255, 0.05);
  --bg-secondary-btn-hover: rgba(255, 255, 255, 0.1);
  --bg-badge: rgba(255, 255, 255, 0.03);
  --bg-modal: #0b0f19;
  --bg-modal-info: rgba(255, 255, 255, 0.02);
  --bg-grid-line: rgba(255, 255, 255, 0.015);
  --stroke-hover: rgba(255, 255, 255, 0.2);
  --gradient-stat-bg: linear-gradient(135deg, #fff, var(--primary));
  --bg-nav-hover: rgba(255, 255, 255, 0.05);
}

html[data-theme="light"] {
  /* Light Theme overrides */
  --bg-deep: #f3f4f6;
  --bg-card: rgba(255, 255, 255, 0.65);
  --bg-card-hover: rgba(255, 255, 255, 0.85);
  --text-main: #0f172a;       /* Deep slate */
  --text-muted: #475569;      /* Medium slate */
  --text-subtle: #94a3b8;     /* Light slate */
  --stroke: rgba(15, 23, 42, 0.08);
  --stroke-glow: rgba(139, 92, 246, 0.15);
  --shadow-main: 0 10px 30px -10px rgba(15, 23, 42, 0.15);

  /* Overridden colors for better contrast in light mode */
  --primary: #6d28d9;         /* Darker Indigo for light mode */
  --secondary: #0e7490;       /* Darker Cyan / Teal for readability */
  --accent: #db2777;          /* Darker Pink for light mode */

  /* Element Backgrounds (Light Theme) */
  --bg-header: rgba(243, 244, 246, 0.7);
  --bg-header-scrolled: rgba(243, 244, 246, 0.85);
  --bg-mobile-menu: rgba(243, 244, 246, 0.98);
  --bg-input: rgba(255, 255, 255, 0.65);
  --bg-input-focus: rgba(255, 255, 255, 0.9);
  --bg-footer: rgba(243, 244, 246, 0.95);
  --gradient-text-bg: linear-gradient(135deg, #0f172a 30%, var(--primary) 75%, var(--secondary) 100%);
  
  /* Canvas Gradient for Light Theme */
  --bg-canvas: radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.04) 0%, transparent 40%),
               radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.03) 0%, transparent 45%),
               #f9fafb;

  /* Custom component backgrounds for light mode */
  --bg-secondary-btn: rgba(0, 0, 0, 0.05);
  --bg-secondary-btn-hover: rgba(0, 0, 0, 0.08);
  --bg-badge: rgba(0, 0, 0, 0.03);
  --bg-modal: #ffffff;
  --bg-modal-info: rgba(0, 0, 0, 0.02);
  --bg-grid-line: rgba(15, 23, 42, 0.012);
  --stroke-hover: rgba(15, 23, 42, 0.15);
  --gradient-stat-bg: linear-gradient(135deg, var(--text-main), var(--primary));
  --bg-nav-hover: rgba(0, 0, 0, 0.05);
}

/* Reset & Scroll Behavior */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--bg-deep);
}

body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  border: 2px solid var(--bg-deep);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Background Gradients */
.background-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background: var(--bg-canvas);
}

.background-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: 
    linear-gradient(var(--bg-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 40%, transparent 85%);
  opacity: 0.8;
}

/* Reusable UI Components & Helpers */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  color: var(--secondary);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.gradient-text {
  background: var(--gradient-text-bg);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-muted);
  max-width: 600px;
  font-size: 1.125rem;
  margin-bottom: 48px;
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-main);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.8), var(--shadow-glow);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--stroke);
  transition: var(--transition-smooth);
}

.header--scrolled {
  padding: 8px 0;
  background: var(--bg-header-scrolled);
  border-bottom-color: rgba(139, 92, 246, 0.2);
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 20px;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.logo-icon {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  background: var(--bg-nav-hover);
}

.nav-link.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  border-radius: 8px 8px 0 0;
}

.theme-toggle {
  background: var(--bg-secondary-btn);
  border: 1px solid var(--stroke);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  margin-left: 8px;
}

.theme-toggle:hover {
  background: var(--bg-secondary-btn-hover);
  border-color: var(--primary);
  color: var(--primary);
}

/* Show/hide icons depending on active theme */
html[data-theme="light"] .theme-icon-sun { display: none; }
html:not([data-theme="light"]) .theme-icon-moon { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary), #a78bfa);
  color: #fff;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
}

.btn--secondary {
  background: var(--bg-secondary-btn);
  color: var(--text-main);
  border-color: var(--stroke);
}

.btn--secondary:hover {
  background: var(--bg-secondary-btn-hover);
  border-color: var(--stroke-hover);
}

.burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 110;
}

.burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  position: absolute;
  left: 10px;
  transition: var(--transition-fast);
}

.burger span:nth-child(1) { top: 14px; }
.burger span:nth-child(2) { top: 19px; }
.burger span:nth-child(3) { top: 24px; }

.burger--active span:nth-child(1) { transform: rotate(45deg); top: 19px; }
.burger--active span:nth-child(2) { opacity: 0; }
.burger--active span:nth-child(3) { transform: rotate(-45deg); top: 19px; }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: var(--bg-mobile-menu);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 24px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.mobile-menu--open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu .nav-link {
  font-size: 24px;
  font-weight: 700;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}

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

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  color: #c084fc;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 24px;
}

.hero-pill span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--success);
  display: inline-block;
  box-shadow: 0 0 8px var(--success);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.6; }
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 1.2rem;
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  border-top: 1px solid var(--stroke);
  padding-top: 24px;
  width: 100%;
}

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

.stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-main);
  background: var(--gradient-stat-bg);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
}

/* Hero Showcase Card */
.hero-showcase {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card {
  width: 100%;
  max-width: 440px;
  padding: 24px;
  position: relative;
  transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
  transition: var(--transition-smooth);
}

.hero-card:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateY(-8px);
}

.avatar-wrapper {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 20px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 8px 30px rgba(139, 92, 246, 0.4);
}

.avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-deep);
}

.avatar-status {
  width: 16px;
  height: 16px;
  background-color: var(--success);
  border: 3px solid #0f172a;
  border-radius: 50%;
  position: absolute;
  bottom: 6px;
  right: 6px;
}

.hero-card-name {
  text-align: center;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 4px;
}

.hero-card-title {
  text-align: center;
  font-size: 13px;
  color: var(--secondary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.hero-card-featured {
  border-top: 1px solid var(--stroke);
  padding-top: 16px;
}

.featured-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.featured-thumbs {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.featured-thumb {
  flex: 1;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16/10;
  border: 1px solid var(--stroke);
  cursor: pointer;
  transition: var(--transition-fast);
}

.featured-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-fast);
}

.featured-thumb:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.featured-thumb:hover img {
  transform: scale(1.08);
}

/* Infinite Tech Marquee */
.hero-marquee {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  overflow: hidden;
  padding: 24px 0;
  background: rgba(139, 92, 246, 0.03);
  border-top: 1px solid var(--stroke);
  border-bottom: 1px solid var(--stroke);
  margin-top: 60px;
}

.marquee-inner {
  display: flex;
  width: max-content;
  animation: marquee 25s linear infinite;
}

.marquee-inner span {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-muted);
  margin-right: 64px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 12px;
}

.marquee-inner span::after {
  content: "◆";
  color: var(--primary);
  font-size: 12px;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   Projects Grid & Filters
   ========================================================================== */

.filter-wrapper {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}

.filter-btn {
  background: var(--bg-badge);
  border: 1px solid var(--stroke);
  color: var(--text-muted);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
  transform: translateY(-1px);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 32px;
}

/* Project Card Layout */
.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
  position: relative;
  transition: var(--transition-smooth);
}

.project-card__media {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  border-bottom: 1px solid var(--stroke);
  position: relative;
  background-color: #0c1222;
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.project-card:hover .project-card__media img {
  transform: scale(1.04);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(3, 7, 18, 0.9), transparent);
  opacity: 0;
  display: flex;
  align-items: flex-end;
  padding: 24px;
  transition: var(--transition-fast);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-card__title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-card__title svg {
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.project-card:hover .project-card__title svg {
  color: var(--primary);
  transform: translate(2px, -2px);
}

.project-card__desc {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 20px;
  flex-grow: 1;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
  list-style: none;
}

.tag {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--stroke);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}

.project-card__links {
  display: flex;
  gap: 12px;
  border-top: 1px solid var(--stroke);
  padding-top: 16px;
}

.project-card__links .btn {
  flex: 1;
}

/* Callout Section */
.callout-box {
  margin-top: 80px;
  padding: 32px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(6, 182, 212, 0.05));
  border: 1px solid rgba(139, 92, 246, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.callout-content {
  max-width: 700px;
}

.callout-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 6px;
}

.callout-desc {
  color: var(--text-muted);
  font-size: 15px;
}

/* ==========================================================================
   Project Details Modal (Dynamic Overlay)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: var(--transition-smooth);
}

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

.modal-content {
  background: var(--bg-modal);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 800px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 0 0 40px rgba(139, 92, 246, 0.15);
  transform: scale(0.9) translateY(20px);
  transition: var(--transition-smooth);
  position: relative;
}

.modal-backdrop--open .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--bg-secondary-btn);
  border: 1px solid var(--stroke);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  z-index: 10;
}

.modal-close:hover {
  background: var(--bg-secondary-btn-hover);
  transform: scale(1.08);
  color: var(--primary);
}

.modal-media {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  position: relative;
  background: #050814;
}

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

.modal-body {
  padding: 40px;
}

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

.modal-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.modal-desc {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.modal-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-bottom: 32px;
  padding: 24px;
  background: var(--bg-modal-info);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
}

.info-section-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-section-title::before {
  content: "";
  width: 4px;
  height: 14px;
  background: var(--primary);
  display: inline-block;
  border-radius: 2px;
}

.info-list {
  list-style: none;
}

.info-list li {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.info-list li::before {
  content: "✓";
  color: var(--success);
  font-weight: bold;
}

.modal-footer {
  display: flex;
  gap: 16px;
}

.modal-footer .btn {
  flex: 1;
}

/* ==========================================================================
   About Section & Experience Info
   ========================================================================== */

.about-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 64px;
  align-items: start;
}

.about-photo-card {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius-lg);
  position: relative;
  border: 1px solid var(--stroke);
  padding: 12px;
  background: var(--bg-card);
  box-shadow: var(--shadow-main);
  transition: var(--transition-smooth);
}

.about-photo-card:hover {
  border-color: var(--primary);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.8), var(--shadow-glow);
}

.about-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--bg-deep);
}

.about-text {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.highlight-card {
  padding: 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.highlight-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 24px;
  margin-bottom: 12px;
}

.highlight-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.highlight-val {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-main);
}

.skills-card {
  padding: 40px;
}

.skills-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 24px;
  position: relative;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.skill-badge {
  background: var(--bg-badge);
  border: 1px solid var(--stroke);
  padding: 12px 6px;
  border-radius: 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.skill-badge:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  color: var(--text-main);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
}

.deliverables-divider {
  height: 1px;
  background: var(--stroke);
  margin-bottom: 24px;
}

.deliverables-list {
  list-style: none;
}

.deliverables-list li {
  margin-bottom: 16px;
  position: relative;
  padding-left: 28px;
  color: var(--text-muted);
  font-size: 15px;
}

.deliverables-list li::before {
  content: "✦";
  color: var(--primary);
  position: absolute;
  left: 0;
  top: 1px;
  font-size: 16px;
}

/* ==========================================================================
   Contact Section & Footer
   ========================================================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
}

.contact-card {
  padding: 40px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.contact-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 12px;
}

.contact-text {
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: 15px;
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-actions .btn {
  justify-content: flex-start;
  padding: 14px 20px;
  font-size: 15px;
}

.contact-actions .btn svg {
  margin-right: 8px;
}

/* Contact Form */
.contact-form {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input {
  background: var(--bg-input);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 12px 16px;
  font-family: var(--font-family);
  font-size: 14px;
  transition: var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.25);
  background: var(--bg-input-focus);
}

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

.form-input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.footer {
  border-top: 1px solid var(--stroke);
  padding: 40px 0;
  background: var(--bg-footer);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo {
  font-weight: 800;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 16px;
}

.footer-copy {
  color: var(--text-subtle);
  font-size: 14px;
}

.scroll-top {
  background: var(--bg-secondary-btn);
  border: 1px solid var(--stroke);
  color: var(--text-muted);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}

.scroll-top:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-4px);
}

/* ==========================================================================
   Responsive Breakpoints (Desktop first fallback via mobile updates)
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 60px;
    padding-top: 40px;
  }
  
  .hero-content {
    align-items: center;
    text-align: center;
  }
  
  .hero-desc {
    margin-inline: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .hero-card {
    transform: none;
    margin: 0 auto;
  }
  
  .hero-card:hover {
    transform: translateY(-8px);
  }
  
  .about-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .burger {
    display: block;
  }
  
  .nav {
    display: none;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-stats {
    flex-wrap: wrap;
    gap: 24px;
  }
  
  .about-highlights {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .highlight-card {
    padding: 16px 8px;
  }
  
  .modal-body {
    padding: 24px;
  }
  
  .modal-info-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .about-highlights {
    grid-template-columns: 1fr;
  }
  
  .modal-footer {
    flex-direction: column;
  }
}