/* ==========================================================================
   ORNOB PORTFOLIO DESIGN SYSTEM & STYLES
   Aesthetic: Warm Cream (#FAF7EF), Soft Sand (#F2EDE0), Bold Typography,
   Accent Yellow (#E6D875), Dark Slate (#191B1D), Rounded Pill Badges.
   ========================================================================== */

:root {
  --bg-main: #FAF7EF;
  --bg-card: #FFFFFF;
  --bg-subtle: #F3EFE3;
  --bg-accent: #E8DC84;
  --bg-accent-hover: #D8CC72;
  --text-dark: #16181A;
  --text-body: #3F444A;
  --text-muted: #6E757F;
  --border-light: rgba(22, 24, 26, 0.08);
  --border-medium: rgba(22, 24, 26, 0.15);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.1);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --bg-main: #121315;
  --bg-card: #1C1E22;
  --bg-subtle: #25282E;
  --bg-accent: #C4B64E;
  --bg-accent-hover: #D4C558;
  --text-dark: #F0F2F5;
  --text-body: #C2C8D0;
  --text-muted: #8E96A2;
  --border-light: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Reset & Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  max-width: 100%;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden !important;
}

body {
  background-color: var(--bg-main);
  color: var(--text-dark);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden !important;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
  word-break: keep-all;
  overflow-wrap: normal;
}

h1, h2, h3, h4, h5, h6, .hero-title, .section-title, .card-title, .pillar-title {
  word-break: keep-all !important;
  word-wrap: normal !important;
  overflow-wrap: normal !important;
  hyphens: none !important;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  box-sizing: border-box;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 239, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  padding: 1.25rem 0;
  transition: background 0.3s ease;
}

[data-theme="dark"] .navbar {
  background: rgba(18, 19, 21, 0.9);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-logo .dot {
  width: 8px;
  height: 8px;
  background-color: var(--text-dark);
  border-radius: 50%;
  display: inline-block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-body);
  position: relative;
  padding: 0.25rem 0;
  transition: var(--transition);
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--text-dark);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-dark);
  font-size: 1.1rem;
  transition: var(--transition);
}

.icon-btn:hover {
  background: var(--bg-subtle);
  transform: translateY(-2px);
}

.mobile-toggle {
  display: none;
  font-size: 1.4rem;
  color: var(--text-dark);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  padding: 5rem 0 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

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

.greeting-tag {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.cta-group {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  position: relative;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background-color: var(--bg-accent);
  color: var(--text-dark);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 0, 0, 0.15);
  box-shadow: 3px 3px 0px var(--text-dark);
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--text-dark);
  background-color: var(--bg-accent-hover);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.75rem;
  background-color: transparent;
  color: var(--text-dark);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  transition: var(--transition);
}

.btn-outline:hover {
  background-color: var(--bg-subtle);
  transform: translateY(-2px);
}

.hatch-lines {
  font-family: monospace;
  letter-spacing: -2px;
  color: var(--text-muted);
  font-size: 1.5rem;
  opacity: 0.6;
  margin-left: 0.5rem;
}

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

.avatar-circle-wrapper {
  position: relative;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: var(--bg-subtle);
  border: 2px solid var(--border-medium);
  padding: 12px;
  box-shadow: var(--shadow-md);
}

.avatar-circle-wrapper::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1.5px dashed var(--bg-accent);
  z-index: -1;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  filter: grayscale(15%) contrast(105%);
}

.decoration-cross {
  position: absolute;
  top: 15%;
  left: -5%;
  font-size: 2rem;
  color: var(--bg-accent);
  font-weight: 300;
}

.decoration-hatch {
  position: absolute;
  bottom: 20%;
  right: -5%;
  font-family: monospace;
  font-size: 1.8rem;
  color: var(--text-dark);
  opacity: 0.5;
  transform: rotate(-15deg);
}

/* ==========================================================================
   TECH MARQUEE BANNER
   ========================================================================== */
.tech-marquee {
  background: var(--bg-subtle);
  border-y: 1px solid var(--border-light);
  padding: 1.5rem 0;
  overflow: hidden !important;
  position: relative;
  width: 100%;
  max-width: 100vw;
}

.marquee-content {
  display: flex;
  align-items: center;
  gap: 3rem;
  white-space: nowrap;
  animation: marquee 35s linear infinite;
  width: max-content;
}

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

.tech-item {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.tech-dot {
  width: 6px;
  height: 6px;
  background-color: var(--bg-accent);
  border-radius: 50%;
  display: inline-block;
}

/* ==========================================================================
   SECTION COMMON
   ========================================================================== */
.section {
  padding: 6rem 0;
}

.section-header {
  margin-bottom: 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-dark);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
}

/* Filter Tabs */
.filter-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.6rem 1.4rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  color: var(--text-body);
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--text-dark);
  color: var(--text-dark);
}

.filter-btn.active {
  background-color: var(--text-dark);
  color: var(--bg-card);
  border-color: var(--text-dark);
}

/* ==========================================================================
   PROJECTS GRID & CARDS
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-medium);
}

.card-image-wrapper {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background-color: var(--bg-subtle);
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.card-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.badge-pill {
  padding: 0.25rem 0.75rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background-color: var(--bg-subtle);
  color: var(--text-dark);
  border: 1px solid var(--border-light);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}

.card-description {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  line-height: 1.5;
  flex-grow: 1;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.btn-card-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  background-color: var(--bg-accent);
  color: var(--text-dark);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0,0,0,0.1);
  transition: var(--transition);
}

.btn-card-primary:hover {
  background-color: var(--bg-accent-hover);
  transform: translateY(-2px);
}

.btn-card-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.btn-card-secondary:hover {
  color: var(--text-dark);
  background-color: var(--bg-accent);
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

/* ==========================================================================
   ABOUT ME SECTION (3 PILLARS LAYOUT)
   ========================================================================== */
.about-section {
  background-color: var(--bg-subtle);
  border-y: 1px solid var(--border-light);
}

.about-pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.about-pillar-card {
  background-color: var(--bg-card);
  padding: 2.25rem 1.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.about-pillar-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-medium);
}

.pillar-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.pillar-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.pillar-text {
  font-size: 0.98rem;
  color: var(--text-body);
  line-height: 1.65;
}

.stack-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stack-category {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stack-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.stack-items {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
}

.uni-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1.25rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  box-shadow: var(--shadow-sm);
}

.uni-icon {
  font-size: 1.4rem;
  color: var(--text-dark);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.skill-box {
  background: var(--bg-card);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.skill-box h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-box p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: var(--transition);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.contact-card-stacked {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
}

.contact-card-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

.contact-card-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.wa-chat-btn {
  flex-grow: 1;
  justify-content: center;
  background-color: #25D366 !important;
  color: #FFFFFF !important;
  border: none !important;
  box-shadow: none !important;
  font-size: 0.85rem !important;
  padding: 0.55rem 0.85rem !important;
}

.wa-chat-btn:hover {
  background-color: #1EBE57 !important;
}

.contact-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.contact-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: var(--text-dark);
  flex-shrink: 0;
}

.contact-detail {
  flex-grow: 1;
  min-width: 0;
  overflow: hidden;
}

.contact-detail h5 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.contact-detail p {
  font-family: var(--font-display);
  font-size: clamp(0.78rem, 3.4vw, 1rem);
  font-weight: 700;
  color: var(--text-dark);
  word-break: break-all;
  overflow-wrap: anywhere;
}

.social-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-card);
  border: 1px solid var(--border-medium);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  transition: var(--transition);
  max-width: 100%;
  box-sizing: border-box;
}

.social-btn:hover {
  background-color: var(--text-dark);
  color: var(--bg-card);
  transform: translateY(-2px);
}

.contact-form {
  background-color: var(--bg-card);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.9rem 1.1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  background-color: var(--bg-main);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-dark);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--text-dark);
  background-color: var(--bg-card);
}

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

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border-light);
  background-color: var(--bg-main);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

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

/* ==========================================================================
   LIVE PREVIEW MODAL
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-window {
  width: 100%;
  max-width: 1100px;
  height: 85vh;
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.modal-backdrop.active .modal-window {
  transform: scale(1);
}

.modal-header {
  height: 54px;
  background-color: #25282E;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #FFFFFF;
}

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

/* Modal Nav Tabs */
.modal-nav-tabs {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background-color: #1A1C20;
  padding: 4px;
  border-radius: var(--radius-sm);
}

.modal-tab-btn {
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: #A0AAB5;
  background: transparent;
  transition: var(--transition);
}

.modal-tab-btn:hover {
  color: #FFFFFF;
}

.modal-tab-btn.active {
  background-color: #2D3139;
  color: #FFFFFF;
}

/* Case Study Body Container */
.case-study-container {
  width: 100%;
  height: 100%;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch !important;
  touch-action: pan-y !important;
  padding: 2.5rem;
  background-color: var(--bg-main);
  color: var(--text-dark);
  box-sizing: border-box;
}

.cs-top-bar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1rem;
}

.cs-close-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  background-color: var(--text-dark);
  color: var(--bg-card);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.cs-close-btn:hover {
  background-color: var(--bg-accent-hover);
  color: var(--text-dark);
}

.cs-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 1.5rem;
}

.cs-badge {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  background-color: var(--bg-accent);
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}

.cs-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.cs-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.cs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.cs-card {
  background-color: var(--bg-card);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.cs-card h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cs-card p {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.6;
}

.cs-features-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.cs-features-list li {
  font-size: 0.95rem;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cs-features-list li::before {
  content: '✓';
  color: var(--text-dark);
  font-weight: 800;
}

.cs-footer-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
  flex-wrap: wrap;
}

.dot-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background-color: #FF5F56; }
.dot-yellow { background-color: #FFBD2E; }
.dot-green { background-color: #27C93F; }

.url-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #16181A;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-family: monospace;
  font-size: 0.85rem;
  color: #A0AAB5;
  width: 50%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.modal-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.modal-btn {
  color: #FFFFFF;
  font-size: 1.1rem;
  opacity: 0.8;
  transition: opacity 0.2s ease;
}

.modal-btn:hover {
  opacity: 1;
}

.modal-body {
  flex-grow: 1;
  width: 100%;
  background-color: #F8F9FA;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.preview-iframe {
  width: 100%;
  height: 100%;
  border: none;
  transition: width 0.3s ease;
}

.preview-iframe.mobile-view {
  width: 395px;
  height: 90%;
  border: 8px solid #222;
  border-radius: 36px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* Toast Notifications */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1100;
  background-color: var(--text-dark);
  color: var(--bg-card);
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   MOBILE & TABLET RESPONSIVE OPTIMIZATION
   ========================================================================== */

/* Mobile Menu Toggle Button (Visible on mobile screens) */
.mobile-menu-btn {
  display: none;
}

/* Mobile Drawer Overlay Structure */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  display: flex;
  justify-content: flex-end;
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-drawer {
  width: 82%;
  max-width: 320px;
  height: 100%;
  background-color: var(--bg-main);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-lg);
  border-left: 1px solid var(--border-medium);
}

.mobile-nav-overlay.active .mobile-nav-drawer {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin-top: 2rem;
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-dark);
  transition: var(--transition);
}

.mobile-nav-link:hover {
  color: var(--bg-accent-hover);
  transform: translateX(4px);
}

.mobile-nav-footer {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
}

/* Tablet Breakpoint (<= 992px) */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .hero-content {
    align-items: center;
  }
  .about-pillars-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-title {
    font-size: clamp(2.3rem, 6vw, 3.5rem);
  }
  .avatar-circle-wrapper {
    width: 280px;
    height: 280px;
    margin: 0 auto;
  }
}

/* Mobile Smartphone Breakpoint (<= 768px) */
@media (max-width: 768px) {
  .nav-links, .hide-mobile {
    display: none !important;
  }

  .mobile-menu-btn {
    display: flex !important;
  }

  .container {
    padding: 0 0.85rem;
  }

  /* Hero Section Mobile */
  .hero {
    padding: 2rem 0 3rem 0;
  }

  .hero-grid {
    display: flex;
    flex-direction: column-reverse;
    gap: 2rem;
    align-items: center;
    text-align: center;
  }

  .greeting-tag {
    font-size: 0.95rem;
    justify-content: center;
    margin-bottom: 0.5rem;
  }

  .hero-title {
    font-size: clamp(1.8rem, 6.5vw, 2.6rem) !important;
    line-height: 1.2 !important;
    margin-bottom: 0.85rem;
    letter-spacing: -0.02em;
    word-break: keep-all !important;
    overflow-wrap: normal !important;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 1.5rem;
  }

  .cta-group {
    width: 100%;
    flex-direction: column;
    gap: 0.65rem;
  }

  .btn-primary, .btn-outline {
    width: 100% !important;
    justify-content: center;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }

  .hatch-lines {
    display: none !important;
  }

  .avatar-circle-wrapper {
    width: 210px;
    height: 210px;
    padding: 6px;
  }

  /* Projects Section Mobile */
  .section {
    padding: 3rem 0;
  }

  .section-header {
    margin-bottom: 1.5rem;
    text-align: center;
  }

  .section-title {
    font-size: 1.9rem;
  }

  .section-subtitle {
    font-size: 0.9rem;
  }

  /* Horizontal Touch-Scroll Filter Tabs for Mobile */
  .filter-container {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.6rem;
    margin-bottom: 1.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0.4rem;
  }

  .filter-container::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    white-space: nowrap;
    font-size: 0.8rem;
    padding: 0.45rem 0.9rem;
    flex-shrink: 0;
  }

  /* 2 CARDS IN EVERY ROW ON MOBILE */
  .projects-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.5rem !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .project-card {
    border-radius: var(--radius-sm);
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important; /* PREVENTS GRID OVERFLOW */
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .card-image-wrapper {
    height: 130px;
    width: 100% !important;
    min-width: 0 !important;
  }

  .card-content {
    padding: 0.6rem;
    width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .card-tags {
    gap: 0.25rem;
    margin-bottom: 0.4rem;
    width: 100% !important;
    min-width: 0 !important;
  }

  .badge-pill {
    font-size: 0.6rem;
    padding: 0.12rem 0.35rem;
  }

  .card-title {
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
    line-height: 1.25;
    word-break: keep-all !important;
    width: 100% !important;
    min-width: 0 !important;
  }

  .card-description {
    font-size: 0.75rem;
    line-height: 1.3;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    width: 100% !important;
    min-width: 0 !important;
  }

  .card-actions {
    flex-direction: column;
    gap: 0.3rem;
    width: 100% !important;
    min-width: 0 !important;
    padding-top: 0.4rem;
  }

  .btn-card-primary, .btn-card-secondary {
    width: 100% !important;
    min-width: 0 !important;
    justify-content: center;
    font-size: 0.7rem;
    padding: 0.35rem 0.3rem;
    border-radius: var(--radius-sm);
    gap: 0.2rem;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    text-align: center !important;
  }

  /* About Me Mobile Pillars */
  .about-pillars-grid {
    grid-template-columns: 1fr !important;
    gap: 1.25rem;
  }

  .about-pillar-card {
    padding: 1.35rem;
  }

  .uni-badge {
    width: 100%;
    justify-content: center;
    font-size: 0.85rem;
    padding: 0.65rem 0.85rem;
  }

  /* Contact Form Mobile */
  .contact-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
    width: 100% !important;
  }

  .contact-info, .contact-form {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 1.15rem !important;
  }

  .contact-card {
    padding: 0.75rem 0.85rem !important;
    gap: 0.5rem !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .contact-icon-box {
    width: 36px !important;
    height: 36px !important;
    font-size: 0.95rem !important;
    flex-shrink: 0 !important;
  }

  .contact-detail h5 {
    font-size: 0.7rem !important;
  }

  .contact-detail p {
    font-size: 0.76rem !important;
    word-break: break-all !important;
    overflow-wrap: anywhere !important;
  }

  .social-btn-group {
    flex-direction: column !important;
    width: 100% !important;
    gap: 0.5rem !important;
  }

  .social-btn {
    width: 100% !important;
    max-width: 100% !important;
    justify-content: center !important;
    padding: 0.65rem 0.85rem !important;
    font-size: 0.82rem !important;
    box-sizing: border-box !important;
  }

  /* Modal Window Mobile (Compact Touch-Scrollable Card) */
  .modal-backdrop {
    padding: 0.75rem !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .modal-window {
    width: 92% !important;
    max-width: 440px !important;
    height: 82vh !important;
    max-height: 620px !important;
    border-radius: var(--radius-md) !important;
    margin: auto !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4) !important;
  }

  .modal-header {
    padding: 0 0.75rem !important;
    height: 48px !important;
  }

  .window-controls, .url-bar, #viewDesktop, #viewMobile {
    display: none !important;
  }

  .modal-nav-tabs {
    gap: 0.2rem !important;
    padding: 2px !important;
  }

  .modal-tab-btn {
    padding: 0.25rem 0.55rem !important;
    font-size: 0.75rem !important;
  }

  .case-study-container {
    padding: 1.15rem !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    touch-action: pan-y !important;
    height: calc(100% - 48px) !important;
    max-height: 100% !important;
  }

  .cs-title {
    font-size: 1.5rem;
  }

  .cs-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .cs-features-list {
    grid-template-columns: 1fr;
  }

  /* Footer Mobile */
  .footer-content {
    flex-direction: column !important;
    text-align: center;
    gap: 1.25rem;
  }
}