/* ============================================================
   DESIGN TOKENS & SYSTEM VARIABLES
   ============================================================ */
:root {
  --bg-main:       #090a0f;
  --bg-dark:       #0d0e15;
  --bg-card:       #13151f;
  --bg-card-hover: #181a27;

  --primary:       #3b82f6;
  --primary-hover: #2563eb;
  --primary-glow:  rgba(59, 130, 246, 0.25);
  --primary-subtle:rgba(59, 130, 246, 0.1);

  --text-white:    #ffffff;
  --text-main:     #e2e8f0;
  --text-muted:    #94a3b8;
  --text-dim:      #64748b;

  --border-light:  rgba(255, 255, 255, 0.08);
  --border-focus:  rgba(59, 130, 246, 0.4);

  --font-heading:  'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;

  --radius-sm:     6px;
  --radius-md:     10px;
  --radius-lg:     16px;
  --radius-full:   9999px;

  --transition-fast: 0.2s ease;
  --transition-norm: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* Typography Helpers */
.text-white     { color: var(--text-white); }
.text-highlight { color: var(--primary); }
.highlight-blue { color: var(--primary); font-weight: 600; }

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s var(--transition-norm), transform 0.65s var(--transition-norm);
  will-change: opacity, transform;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.92rem;
  transition: all var(--transition-norm);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-white);
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-white);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.btn-wa {
  background-color: #25D366;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

.btn-wa:hover {
  background-color: #20ba5a;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5);
}

.btn-nav-cta {
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary);
  border: 1px solid rgba(59, 130, 246, 0.3);
  padding: 0.45rem 1.1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-nav-cta:hover {
  background: var(--primary);
  color: var(--text-white);
}

.btn-cta-large {
  padding: 0.95rem 2.2rem;
  font-size: 1.05rem;
  font-family: var(--font-heading);
}

.btn-block {
  width: 100%;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(9, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-norm), box-shadow var(--transition-norm);
}

.navbar.scrolled {
  background: rgba(9, 10, 15, 0.96);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: 0.5px;
}

.logo-code {
  font-family: var(--font-mono);
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 600;
}

.logo-highlight {
  color: var(--primary);
}

/* Nav Menu Desktop */
.nav-menu {
  display: flex;
  align-items: center;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.25rem 0;
}

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

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

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

/* Hamburger Toggle Button */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  gap: 5px;
  padding: 0;
}

.toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--text-white);
  border-radius: 2px;
  transition: all var(--transition-norm);
}

.menu-toggle.open .line-1 { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open .line-2 { opacity: 0; transform: scaleX(0); }
.menu-toggle.open .line-3 { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   MOBILE DRAWER NAVIGATION
   ============================================================ */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 1100;
  visibility: hidden;
  opacity: 0;
  transition: visibility var(--transition-norm), opacity var(--transition-norm);
}

.mobile-drawer.open {
  visibility: visible;
  opacity: 1;
}

.drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
}

.drawer-content {
  position: absolute;
  top: 0;
  right: 0;
  width: 82%;
  max-width: 320px;
  height: 100%;
  background: var(--bg-dark);
  border-left: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  padding: 1.8rem 1.5rem;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  z-index: 2;
}

.mobile-drawer.open .drawer-content {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 1.8rem;
}

.drawer-brand {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
}

.drawer-close {
  font-size: 2rem;
  color: var(--text-muted);
  line-height: 1;
  padding: 0.2rem;
}

.drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  flex-grow: 1;
}

.drawer-link {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  display: block;
  padding: 0.4rem 0;
  transition: color var(--transition-fast);
}

.drawer-link:hover {
  color: var(--primary);
}

.drawer-footer {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
}

.drawer-socials {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
}

.drawer-socials a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.drawer-socials a:hover {
  color: var(--primary);
}

/* ============================================================
   HERO SECTION (3-COLUMN LAYOUT)
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: 72px; /* Navbar height */
  display: flex;
  align-items: stretch;
  background-color: var(--bg-main);
  overflow: hidden;
}

.hero-glow-bg {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -20%);
  width: 600px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, rgba(9, 10, 15, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-container {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 4% 0 4%;
  display: grid;
  grid-template-columns: minmax(280px, 1.05fr) minmax(380px, 520px) minmax(260px, 0.95fr);
  align-items: stretch;
  position: relative;
  z-index: 1;
}

/* Hero Left Column */
.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2.5rem 1.5rem 3.5rem 0;
  z-index: 2;
}

.hero-dash {
  width: 48px;
  height: 3px;
  background-color: var(--primary);
  border-radius: 2px;
  margin-bottom: 2rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4.4vw, 4rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -1px;
  color: var(--text-white);
  margin-bottom: 1.5rem;
}

.hero-desc {
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 360px;
  margin-bottom: 2.8rem;
}

.hero-action {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.hero-scroll-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  background-color: var(--primary);
  color: var(--text-white);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
  transition: transform var(--transition-norm), background-color var(--transition-norm);
}

.hero-scroll-btn:hover {
  background-color: var(--primary-hover);
  transform: translateY(4px);
}

.hero-scroll-text {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Hero Center Column (Photo - Enlarged) */
.hero-center {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-photo-container {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.photo-glow-circle {
  position: absolute;
  top: 18%;
  left: 50%;
  transform: translateX(-50%);
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.25) 0%, rgba(9, 10, 15, 0) 70%);
  filter: blur(30px);
  z-index: 1;
  pointer-events: none;
}

.hero-portrait {
  position: relative;
  z-index: 2;
  display: block;
  max-height: 86vh;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: bottom center;
  filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.85));
}

.photo-bottom-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to top, var(--bg-main) 15%, transparent 100%);
  z-index: 3;
  pointer-events: none;
}

/* Hero Right Column (Info Panels) */
.hero-right {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 0 4rem 2rem;
  border-left: 1px solid var(--border-light);
  z-index: 2;
}

.hero-info-card {
  padding: 1.4rem 0;
}

.info-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 2px;
  margin-bottom: 0.6rem;
}

.info-paragraph {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0.85rem;
}

.info-paragraph strong {
  color: var(--text-white);
}

.info-action-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-white);
  border-bottom: 1px solid var(--text-dim);
  padding-bottom: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast), gap var(--transition-fast);
}

.info-action-link:hover {
  color: var(--primary);
  border-color: var(--primary);
  gap: 0.65rem;
}

.hero-info-separator {
  height: 1px;
  background-color: var(--border-light);
  width: 100%;
}

.hero-social-list {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.4rem;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  transition: all var(--transition-norm);
}

.social-btn:hover {
  background: var(--primary-subtle);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* ============================================================
   SECTION GLOBAL STYLES
   ============================================================ */
.section {
  padding: 6.5rem 5%;
  position: relative;
}

.section-dark {
  background-color: var(--bg-dark);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 2.5px;
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}

.label-slash {
  color: var(--primary);
  font-weight: 700;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.8vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-white);
  margin-bottom: 3.2rem;
}

/* ============================================================
   ABOUT ME SECTION
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4.5rem;
  align-items: start;
}

.about-main-title {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 3.6vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-white);
  letter-spacing: -0.5px;
  margin-bottom: 1.5rem;
}

.about-lead-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.about-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 3vw, 2.8rem);
  font-weight: 700;
  color: var(--text-white);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-symbol {
  color: var(--primary);
}

.stat-caption {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

/* Official LinkedIn Badge Card */
.about-badge-card {
  margin-top: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  transition: transform var(--transition-norm), border-color var(--transition-norm), box-shadow var(--transition-norm);
}

.about-badge-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}

.badge-card-header {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 1rem;
}

.LI-profile-badge {
  display: block;
  max-width: 100%;
  overflow-x: auto;
}

.LI-profile-badge iframe {
  max-width: 100% !important;
  border-radius: var(--radius-sm);
}

/* Bio Panel */
.bio-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.2rem;
}

.bio-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.bio-text strong {
  color: var(--text-white);
}

.bio-meta-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.8rem 0 2rem;
  padding: 1.2rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.bio-meta-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.meta-name {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.meta-val {
  color: var(--text-white);
  font-weight: 500;
}

.status-online {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #4ade80;
  font-weight: 500;
}

.online-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 10px #4ade80;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.7; }
}

/* ============================================================
   SKILLS SECTION
   ============================================================ */
.skills-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
  margin-bottom: 3.5rem;
}

.skill-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.2rem 1.8rem;
  transition: transform var(--transition-norm), border-color var(--transition-norm), box-shadow var(--transition-norm);
}

.skill-box:hover {
  transform: translateY(-5px);
  border-color: var(--border-focus);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.skill-box-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 1.2rem;
}

.skill-box-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.75rem;
}

.skill-box-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.skill-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.skill-pill {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--primary);
  background: var(--primary-subtle);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
}

.tech-stack-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.tech-badge {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.tech-badge:hover {
  color: var(--text-white);
  border-color: var(--primary);
  background: var(--primary-subtle);
}

/* ============================================================
   PORTFOLIO / PROJECTS SECTION
   ============================================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-norm), border-color var(--transition-norm), box-shadow var(--transition-norm);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-focus);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.card-featured {
  border-color: rgba(59, 130, 246, 0.3);
}

.featured-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-white);
  background: var(--primary);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Precision App Logo Showcase Banner */
.portfolio-logo-banner {
  position: relative;
  width: 100%;
  height: 190px;
  background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1) 0%, rgba(13, 14, 21, 0.98) 75%);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.portfolio-logo-glow {
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.25) 0%, transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}

.portfolio-app-icon-plate {
  position: relative;
  z-index: 2;
  width: 96px;
  height: 96px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.1);
  transition: all var(--transition-norm);
}

.portfolio-card:hover .portfolio-app-icon-plate {
  transform: scale(1.08) translateY(-4px);
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.12);
  box-shadow: 0 16px 36px rgba(59, 130, 246, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

.portfolio-app-icon {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.4));
  transition: transform var(--transition-norm);
}

.portfolio-card:hover .portfolio-app-icon {
  transform: scale(1.04);
}

.portfolio-hover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(9, 10, 15, 0.85);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  z-index: 5;
  transition: opacity var(--transition-norm);
}

.portfolio-card:hover .portfolio-hover-overlay {
  opacity: 1;
}

.overlay-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary);
  color: var(--text-white);
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  transform: translateY(12px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
  transition: transform var(--transition-norm), background var(--transition-fast);
}

.portfolio-card:hover .overlay-action-btn {
  transform: translateY(0);
}

.overlay-action-btn:hover {
  background: var(--primary-hover);
}

.portfolio-content {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.portfolio-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.portfolio-category {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.portfolio-year {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}

.portfolio-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.6rem;
}

.portfolio-summary {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.4rem;
  flex-grow: 1;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.4rem;
}

.portfolio-tags span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
}

.portfolio-direct-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-white);
  border-bottom: 1px solid var(--text-dim);
  padding-bottom: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast), gap var(--transition-fast);
  margin-top: auto;
}

.portfolio-direct-link:hover {
  color: var(--primary);
  border-color: var(--primary);
  gap: 0.65rem;
}

/* Bio meta links */
.meta-link {
  color: var(--text-white);
  transition: color var(--transition-fast);
}

.meta-link:hover {
  color: var(--primary);
}

.meta-link-wa {
  color: #4ade80;
  font-weight: 600;
  transition: opacity var(--transition-fast);
}

.meta-link-wa:hover {
  opacity: 0.85;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 4.5rem 3.5rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-headline {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 3.6vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-white);
  margin-bottom: 1.2rem;
}

.contact-subtext {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-details-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

.contact-card-item {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.2rem;
  transition: all var(--transition-norm);
}

.contact-card-item:hover {
  background: rgba(59, 130, 246, 0.08);
  border-color: var(--primary);
  transform: translateX(4px);
}

.contact-card-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-card-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-white);
}

.contact-cta-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.6rem;
}

.contact-action-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  width: 100%;
}

.contact-action-group .btn {
  flex: 1;
  min-width: 160px;
}

.contact-social-row {
  display: flex;
  gap: 0.85rem;
  margin-top: 0.4rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-main);
  border-top: 1px solid var(--border-light);
  padding: 3rem 5%;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
}

.footer-desc {
  font-size: 0.88rem;
  color: var(--text-dim);
}

.footer-desc strong {
  color: var(--text-muted);
}

.footer-copyright {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ============================================================
   RESPONSIVE BREAKPOINTS (TABLETS & MOBILE)
   ============================================================ */

/* Laptop / Small Desktop (max-width: 1120px) */
@media (max-width: 1120px) {
  .hero-container {
    grid-template-columns: 1fr 420px 1fr;
    padding: 2rem 3% 0 3%;
  }

  .skills-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    gap: 3rem;
  }
}

/* Tablet (max-width: 900px) */
@media (max-width: 900px) {
  .nav-menu {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  /* Hero on Tablet: Stack smoothly */
  .hero {
    min-height: auto;
    padding-top: 72px;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 3rem 5% 0 5%;
  }

  .hero-left {
    padding: 1rem 0 2rem 0;
    text-align: center;
    align-items: center;
  }

  .hero-dash {
    margin: 0 auto 1.5rem auto;
  }

  .hero-desc {
    max-width: 520px;
    margin: 0 auto 2rem auto;
  }

  .hero-action {
    justify-content: center;
  }

  /* Enlarged Tablet Photo */
  .hero-center {
    min-height: 480px;
    margin: 0 auto;
    width: 100%;
    max-width: 480px;
  }

  .hero-portrait {
    max-height: 490px;
  }

  .hero-right {
    border-left: none;
    border-top: 1px solid var(--border-light);
    padding: 3rem 0;
    margin-top: 1rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .hero-info-separator {
    display: none;
  }

  .hero-right .hero-info-card:nth-child(5) {
    grid-column: span 2;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .contact-box {
    grid-template-columns: 1fr;
    padding: 3rem 2rem;
    gap: 2.5rem;
  }
}

/* Mobile Phone (max-width: 640px) */
@media (max-width: 640px) {
  .section {
    padding: 4.5rem 5%;
  }

  .nav-container {
    padding: 0.85rem 5%;
  }

  .hero-container {
    padding: 2rem 5% 0 5%;
  }

  .hero-title {
    font-size: 2.4rem;
    line-height: 1.15;
  }

  .hero-desc {
    font-size: 0.94rem;
  }

  /* Enlarged Mobile Photo */
  .hero-center {
    min-height: 410px;
    max-width: 380px;
    width: 100%;
  }

  .hero-portrait {
    max-height: 420px;
    width: auto;
  }

  .hero-right {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2.5rem 0;
  }

  .hero-right .hero-info-card:nth-child(5) {
    grid-column: span 1;
  }

  .skills-cards-grid {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.6rem;
  }

  .about-stats-row {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.8rem;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .stat-caption {
    font-size: 0.7rem;
  }

  .bio-panel {
    padding: 1.5rem;
  }

  .contact-box {
    padding: 2.5rem 1.5rem;
  }

  .contact-action-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-cta-large {
    width: 100%;
    font-size: 0.95rem;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
    gap: 0.8rem;
  }
}

/* Small Screen (max-width: 380px) */
@media (max-width: 380px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-center {
    min-height: 350px;
    max-width: 310px;
  }

  .hero-portrait {
    max-height: 360px;
  }

  .about-stats-row {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .bio-meta-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
  }
}