/* ============================================================================
   STYLESHEET — Yassir ESSABAHY Portfolio
   Inspired by Dylan Archer (dylan-archer-dev.com)
   Palette: Yellow x Creamy White with Light/Dark Mode Switcher
   ============================================================================ */

/* ----------------------------------------------------------------------------
   1. DESIGN TOKENS & COLOR THEMES (Yellow x Creamy White)
   ---------------------------------------------------------------------------- */
:root {
  color-scheme: dark;
  
  /* DARK THEME (Warm Obsidian x Golden Yellow x Creamy White) */
  --color-bg: #0d0f14;
  --color-bg-secondary: #13161f;
  --color-surface: #181b24;
  --color-surface-elevated: #202430;
  --color-border: rgba(251, 191, 36, 0.16);
  --color-border-subtle: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(251, 191, 36, 0.45);
  
  /* Creamy White Text Tones */
  --color-text: #fbf7ee;
  --color-muted: #a8a29e;
  --color-faint: #78716c;
  
  /* Golden Yellow Accent */
  --color-accent: #fbbf24;
  --color-accent-strong: #f59e0b;
  --color-accent-glow: rgba(251, 191, 36, 0.2);
  --color-button-text: #0d0f14;
  
  /* Nav & Card Backgrounds */
  --color-nav-bg: rgba(13, 15, 20, 0.88);
  --color-hero-bg: linear-gradient(145deg, #181b24 0%, #11141c 100%);
  --color-card-bg: #181b24;
  --color-card-bg-elevated: #202430;
  
  /* Chips */
  --color-chip-text: #fef3c7;
  --color-chip-bg: rgba(251, 191, 36, 0.1);
  --color-chip-border: rgba(251, 191, 36, 0.24);

  /* Shadows */
  --shadow-soft: 0 12px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 10px 28px rgba(251, 191, 36, 0.1);
  --shadow-dropdown: 0 16px 36px rgba(0, 0, 0, 0.6);

  /* Sizing */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --container: 1180px;

  /* Fonts */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* LIGHT THEME (Creamy White x Warm Amber Yellow) */
:root[data-theme="light"] {
  color-scheme: light;
  
  --color-bg: #faf7f2; /* Creamy White Base */
  --color-bg-secondary: #f4efe6;
  --color-surface: #ffffff;
  --color-surface-elevated: #fcfbfa;
  --color-border: rgba(217, 119, 6, 0.18);
  --color-border-subtle: rgba(120, 113, 108, 0.15);
  --color-border-hover: rgba(217, 119, 6, 0.5);
  
  /* Warm Charcoal Typography */
  --color-text: #1c1917;
  --color-muted: #57534e;
  --color-faint: #a8a29e;
  
  /* Rich Amber / Yellow Accent */
  --color-accent: #d97706;
  --color-accent-strong: #b45309;
  --color-accent-glow: rgba(217, 119, 6, 0.16);
  --color-button-text: #ffffff;
  
  /* Nav & Card Backgrounds */
  --color-nav-bg: rgba(250, 247, 242, 0.92);
  --color-hero-bg: linear-gradient(145deg, #ffffff 0%, #fbf8f3 100%);
  --color-card-bg: #ffffff;
  --color-card-bg-elevated: #faf7f2;
  
  /* Chips */
  --color-chip-text: #92400e;
  --color-chip-bg: rgba(245, 158, 11, 0.12);
  --color-chip-border: rgba(245, 158, 11, 0.3);

  /* Shadows */
  --shadow-soft: 0 12px 32px rgba(28, 25, 23, 0.08);
  --shadow-glow: 0 10px 28px rgba(217, 119, 6, 0.1);
  --shadow-dropdown: 0 16px 36px rgba(28, 25, 23, 0.14);
}

/* ----------------------------------------------------------------------------
   2. BASE & RESET
   ---------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  background-image: radial-gradient(circle at 50% 0%, var(--color-accent-glow), transparent 45rem);
  background-repeat: no-repeat;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Accessibility Focus & Skip Link */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--color-accent);
  color: var(--color-button-text);
  padding: 10px 16px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 16px;
}

/* Shell Layout */
.site-shell {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
  padding-bottom: 5rem;
}

/* Generic Section */
.content-section {
  margin-top: 3.5rem;
  padding: clamp(2rem, 4vw, 3rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  position: relative;
}

/* Section Headings */
.section-heading {
  margin-bottom: 2rem;
}
.section-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}
.section-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.section-lead {
  font-size: 1.05rem;
  color: var(--color-muted);
  margin-top: 0.4rem;
  max-width: 650px;
}
.text-center {
  text-align: center;
}
.text-center .section-lead {
  margin-left: auto;
  margin-right: auto;
}

/* ----------------------------------------------------------------------------
   3. FLOATING SITE NAVIGATION (Dylan Archer Style)
   ---------------------------------------------------------------------------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto 1.5rem auto;
  padding: 12px 24px;
  background: var(--color-nav-bg);
  border: 1px solid var(--color-border);
  border-top: 0;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.site-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.site-mark-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-button-text);
  font-size: 0.825rem;
  font-weight: 800;
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-item, .nav-dropdown-trigger {
  position: relative;
  color: var(--color-muted);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 6px 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.nav-item:hover, .nav-item:focus-visible,
.nav-dropdown-trigger:hover, .nav-dropdown:focus-within .nav-dropdown-trigger {
  color: var(--color-accent);
}

.nav-item::after, .nav-dropdown-trigger::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-item:hover::after, .nav-item:focus-visible::after,
.nav-dropdown:hover .nav-dropdown-trigger::after,
.nav-dropdown:focus-within .nav-dropdown-trigger::after {
  transform: scaleX(1);
}

.nav-caret {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* Nav Dropdown Menu */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 240px;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-dropdown);
  padding: 8px;
  z-index: 300;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-muted);
  transition: background-color 0.15s ease, color 0.15s ease;
}
.dropdown-item i {
  color: var(--color-accent);
  width: 16px;
  text-align: center;
}
.dropdown-item:hover, .dropdown-item:focus-visible {
  background: rgba(251, 191, 36, 0.12);
  color: var(--color-text);
}

/* Prominent Nav Download CV Button */
.nav-cv-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-button-text);
  background: var(--color-accent);
  border-radius: var(--radius-full);
  padding: 7px 16px;
  box-shadow: 0 2px 10px rgba(251, 191, 36, 0.25);
  transition: transform 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}
.nav-cv-btn:hover {
  background: var(--color-accent-strong);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(251, 191, 36, 0.4);
}

/* Theme Toggle Button (Dylan Archer Style) */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 5px 12px 5px 6px;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.theme-toggle:hover {
  border-color: var(--color-accent);
}

.theme-toggle-track {
  width: 38px;
  height: 22px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  position: relative;
  display: inline-block;
}

.theme-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  color: var(--color-button-text);
  transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

:root[data-theme="light"] .theme-toggle-thumb {
  transform: translateX(16px);
}

.theme-toggle-thumb .light-icon { display: none; }
.theme-toggle-thumb .dark-icon  { display: block; }
:root[data-theme="light"] .theme-toggle-thumb .light-icon { display: block; }
:root[data-theme="light"] .theme-toggle-thumb .dark-icon  { display: none; }

.theme-toggle-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-muted);
}

.nav-toggle {
  display: none;
  font-size: 1.25rem;
  color: var(--color-text);
  padding: 6px;
}

/* ----------------------------------------------------------------------------
   4. HERO SECTION (Dylan Archer Two-Column Card)
   ---------------------------------------------------------------------------- */
.home-hero {
  background: var(--color-hero-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft), var(--shadow-glow);
  padding: clamp(2rem, 5vw, 3.5rem);
  position: relative;
  overflow: hidden;
}

.header-content {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

/* Profile Column */
.profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.profile-avatar-wrap {
  position: relative;
  margin-bottom: 1.25rem;
}

.profile-picture {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-accent);
  box-shadow: 0 0 25px var(--color-accent-glow);
}

.profile-status-dot {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #22c55e;
  border: 3px solid var(--color-surface);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
}

.profile h1 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.hero-role {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.hero-location {
  font-size: 0.8rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 1.25rem;
}

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

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 1.05rem;
  transition: all 0.2s ease;
}
.social-links a:hover {
  background: var(--color-accent);
  color: var(--color-button-text);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--color-accent-glow);
}

/* About Column */
.about h2 {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.about p {
  font-size: 1.025rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.about p b {
  color: var(--color-text);
  font-weight: 600;
}

.about-availability {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--color-text) !important;
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-top: 1.25rem;
}
.about-availability i {
  color: var(--color-accent);
}

/* Hero Action Buttons */
.hero-action-buttons {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 11px 22px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-button-text);
  box-shadow: 0 4px 16px var(--color-accent-glow);
}
.btn-primary:hover {
  background: var(--color-accent-strong);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--color-accent-glow);
}

.btn-secondary {
  background: var(--color-surface-elevated);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-subtle);
}
.btn-outline:hover {
  border-color: var(--color-text);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 7px 16px;
  font-size: 0.85rem;
}

/* ----------------------------------------------------------------------------
   5. AWARDS & HIGHLIGHTS LIST (Dylan Archer Style)
   ---------------------------------------------------------------------------- */
.awards-section {
  padding: 2rem 2.5rem;
}

.awards-header h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1.25rem;
}
.awards-header h2 i {
  color: var(--color-accent);
}

.award-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.award-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.award-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
}

.award-list li strong {
  color: var(--color-text);
}

.award-list li a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ----------------------------------------------------------------------------
   6. PROJECTS SUB-SECTIONS & COMPACT CARDS (Dylan Archer Linear Layout)
   ---------------------------------------------------------------------------- */
.project-group {
  margin-top: 3.5rem;
  scroll-margin-top: 100px;
}

.project-group:first-of-type {
  margin-top: 1.5rem;
}

.project-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.85rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.project-group-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.01em;
}

.project-group-title i {
  color: var(--color-accent);
  font-size: 0.9em;
}

.project-group-count {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-muted);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.project-featured-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(13, 15, 20, 0.88);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  z-index: 2;
}

.project-card.is-featured {
  border-color: rgba(251, 191, 36, 0.3);
}

.project-card.is-featured:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 30px rgba(251, 191, 36, 0.15);
}

/* Dylan Archer Project Container & Cards Grid */
.project-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-soft), var(--shadow-glow);
}

.project-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #000;
  overflow: hidden;
}

.project-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .project-card-media img {
  transform: scale(1.05);
}

.project-media-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(13, 15, 20, 0.85);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
}

.project-card-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
}

.project-year-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-muted);
}

.project-summary {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-tags {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 1.15rem;
}

.chip, .project-tags span {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-chip-text);
  background: var(--color-chip-bg);
  border: 1px solid var(--color-chip-border);
  padding: 3px 9px;
  border-radius: var(--radius-full);
}

.project-learn-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  transition: gap 0.2s ease, color 0.2s ease;
}
.project-card:hover .project-learn-more {
  gap: 9px;
  color: var(--color-accent-strong);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: var(--color-surface-elevated);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  max-width: 600px;
  margin: 1.5rem auto 0;
}
.empty-state-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-chip-bg);
  border: 1px solid var(--color-chip-border);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}
.empty-state-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.empty-state-text {
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

/* Load More Wrap */
.load-more-wrap {
  text-align: center;
  margin-top: 2.5rem;
}
.btn-load-more {
  padding: 10px 24px;
}

/* ----------------------------------------------------------------------------
   8. SKILLS SECTION (Chips Grid)
   ---------------------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-group-card {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.skill-group-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
}

.skill-group-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--color-chip-bg);
  color: var(--color-accent);
  font-size: 0.95rem;
}

.skill-group-header h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
}

.skill-chips-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ----------------------------------------------------------------------------
   9. EXPERIENCE & EDUCATION TIMELINE
   ---------------------------------------------------------------------------- */
.timeline-two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.timeline-col-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1.5rem;
}
.timeline-col-title i {
  color: var(--color-accent);
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  border-left: 2px solid var(--color-border);
  padding-left: 1.5rem;
}

.timeline-item {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 1.5rem;
  left: calc(-1.5rem - 7px);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-surface);
}

.timeline-date {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.35rem;
}

.timeline-item-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.25;
}

.timeline-company {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 0.65rem;
}

.timeline-bullets {
  list-style: disc;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.timeline-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.5;
}

/* Chatbot Final Project Box */
.academic-project-box {
  margin-top: 0.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
}
.academic-project-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}
.academic-project-box h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}
.academic-project-box p {
  font-size: 0.825rem;
  color: var(--color-muted);
  line-height: 1.45;
  margin-bottom: 0.5rem;
}
.link-inline {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.link-inline:hover {
  text-decoration: underline;
}

/* Certifications Card */
.certifications-card {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}
.certifications-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0.85rem;
}
.certifications-title i {
  color: var(--color-accent);
}
.certifications-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.cert-chip {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

/* ----------------------------------------------------------------------------
   10. CONTACT SECTION & TILES
   ---------------------------------------------------------------------------- */
.contact-box {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  align-items: center;
  max-width: 820px;
  margin: 0 auto;
}

.contact-primary-email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.5vw, 2rem);
  font-weight: 700;
  color: var(--color-text);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 12px 28px;
  box-shadow: var(--shadow-soft);
  transition: all 0.2s ease;
}
.contact-primary-email i {
  color: var(--color-accent);
}
.contact-primary-email:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft), var(--shadow-glow);
}

.contact-insta-banner {
  width: 100%;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.contact-insta-left {
  display: flex;
  align-items: center;
  gap: 14px;
}
.contact-insta-avatar {
  border-radius: 50%;
  border: 2px solid var(--color-accent);
}
.contact-insta-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent);
}
.contact-insta-handle {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
}
.contact-insta-sub {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.contact-insta-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.contact-insta-stat {
  text-align: right;
}
.contact-insta-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}
.contact-insta-label {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  width: 100%;
}

.contact-tile {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.2s ease;
}
.contact-tile:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
.tile-icon {
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: 2px;
}
.tile-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-muted);
  text-transform: uppercase;
}
.tile-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
}

/* ----------------------------------------------------------------------------
   11. FOOTER & BACK TO TOP BUTTON (Dylan Archer Style)
   ---------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
  background: var(--color-bg);
}

.footer-content {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-content p {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.footer-icons {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-icons .social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.95rem;
  transition: all 0.2s ease;
}
.footer-icons .social-icon:hover {
  background: var(--color-accent);
  color: var(--color-button-text);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

/* Floating Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 150;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, background-color 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--color-accent);
  color: var(--color-button-text);
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 18px var(--color-accent-glow);
}

/* ----------------------------------------------------------------------------
   12. DETAIL MODAL DIALOG
   ---------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.modal-dialog {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 860px;
  max-height: 88vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.75);
  transform: scale(0.96) translateY(12px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-backdrop.is-open .modal-dialog {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(13, 15, 20, 0.85);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  transition: all 0.2s ease;
}
.modal-close-btn:hover {
  background: var(--color-accent);
  color: var(--color-button-text);
  border-color: var(--color-accent);
}

.modal-body {
  display: flex;
  flex-direction: column;
}

.modal-media-wrap {
  position: relative;
  background: #000;
  aspect-ratio: 16 / 9;
  width: 100%;
  overflow: hidden;
}

.modal-gallery {
  width: 100%;
  height: 100%;
  position: relative;
}

.modal-slide {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-slide img, .modal-slide video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(13, 15, 20, 0.8);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 10;
}
.gallery-nav:hover {
  background: var(--color-accent);
  color: var(--color-button-text);
}
.gallery-nav.prev { left: 14px; }
.gallery-nav.next { right: 14px; }

.gallery-counter {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(13, 15, 20, 0.85);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  z-index: 10;
}

.modal-info {
  padding: clamp(1.75rem, 3.5vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.modal-category-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: var(--color-chip-bg);
  border: 1px solid var(--color-chip-border);
  padding: 3px 9px;
  border-radius: var(--radius-sm);
}
.modal-year {
  font-size: 0.825rem;
  color: var(--color-muted);
}

.modal-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.modal-summary {
  font-size: 1rem;
  color: var(--color-text);
  font-weight: 600;
}

.modal-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.modal-section-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}
.modal-desc {
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.modal-features {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.modal-features li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.5;
}
.modal-features li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.modal-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 0.5rem;
}

/* ----------------------------------------------------------------------------
   13. RESPONSIVE BREAKPOINTS
   ---------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .header-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .profile {
    align-items: center;
  }
  .hero-location {
    justify-content: center;
  }
  .social-links {
    justify-content: center;
  }
  .hero-action-buttons {
    justify-content: center;
  }
  .about-availability {
    text-align: left;
  }
  .timeline-two-column {
    grid-template-columns: 1fr;
  }
  .contact-insta-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .contact-insta-right {
    width: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 768px) {
  .site-nav {
    padding: 10px 16px;
  }
  .nav-toggle {
    display: block;
  }
  .site-nav-links {
    position: fixed;
    top: 60px;
    left: 20px;
    right: 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-dropdown);
    padding: 1.5rem;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }
  .site-nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-dropdown-menu {
    position: static;
    display: flex;
    box-shadow: none;
    border: none;
    background: transparent;
    padding-left: 10px;
  }
  .nav-cv-btn {
    text-align: center;
    justify-content: center;
  }
  .project-container {
    grid-template-columns: 1fr;
  }
  .modal-dialog {
    max-height: 94vh;
  }
}

@media (max-width: 480px) {
  .project-group-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .hero-action-buttons {
    flex-direction: column;
    width: 100%;
  }
  .btn {
    width: 100%;
  }
}