/* =====================================================
   Abu Al-Qasim Hamid Portfolio – style.css
   Modern dark/light premium developer portfolio
   ===================================================== */

/* ===== GOOGLE FONTS (fallback – loaded in HTML) ===== */

/* ===== CSS VARIABLES ===== */
:root {
  /* Dark Theme (Default) */
  --bg-primary:    #0a0e1a;
  --bg-secondary:  #0f1629;
  --bg-card:       #131d35;
  --bg-card-hover: #192340;
  --bg-input:      #0f1629;
  --bg-nav:        rgba(10, 14, 26, 0.95);

  --text-primary:   #e8eaf6;
  --text-secondary: #94a3c4;
  --text-muted:     #5a6a8a;
  --text-nav:       #b0bcd8;

  --accent-primary:   #6c63ff;
  --accent-secondary: #4facfe;
  --accent-glow:      rgba(108, 99, 255, 0.2);
  --accent-glow-strong: rgba(108, 99, 255, 0.35);

  --gradient-primary: linear-gradient(135deg, #6c63ff 0%, #4facfe 100%);
  --gradient-hover:   linear-gradient(135deg, #7c73ff 0%, #5fbcff 100%);
  --gradient-card:    linear-gradient(145deg, #131d35 0%, #0f1629 100%);

  --border-color:    rgba(108, 99, 255, 0.15);
  --border-hover:    rgba(108, 99, 255, 0.4);
  --divider-color:   rgba(148, 163, 196, 0.1);

  --shadow-card:    0 4px 24px rgba(0,0,0,0.4), 0 0 0 1px rgba(108,99,255,0.08);
  --shadow-hover:   0 12px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(108,99,255,0.2), 0 0 20px rgba(108,99,255,0.1);
  --shadow-btn:     0 4px 15px rgba(108, 99, 255, 0.35);
  --shadow-nav:     0 2px 20px rgba(0,0,0,0.4);

  --skill-bar-bg:   rgba(148, 163, 196, 0.1);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-full: 50px;

  --transition-fast:   0.2s ease;
  --transition-normal: 0.35s ease;
  --transition-slow:   0.6s ease;

  --font-primary:   'Inter', sans-serif;
  --font-secondary: 'Poppins', sans-serif;

  --nav-height: 72px;
}

/* ===== LIGHT THEME ===== */
[data-theme="light"] {
  --bg-primary:    #f5f7ff;
  --bg-secondary:  #eef0fb;
  --bg-card:       #ffffff;
  --bg-card-hover: #f0f2ff;
  --bg-input:      #f5f7ff;
  --bg-nav:        rgba(245, 247, 255, 0.95);

  --text-primary:   #1a1d2e;
  --text-secondary: #4a5280;
  --text-muted:     #8a92b6;
  --text-nav:       #3a4060;

  --accent-primary:   #5b52f0;
  --accent-secondary: #3d9cec;
  --accent-glow:      rgba(91, 82, 240, 0.12);
  --accent-glow-strong: rgba(91, 82, 240, 0.25);

  --border-color:    rgba(91, 82, 240, 0.15);
  --border-hover:    rgba(91, 82, 240, 0.4);
  --divider-color:   rgba(74, 82, 128, 0.15);

  --shadow-card:    0 4px 24px rgba(91,82,240,0.08), 0 0 0 1px rgba(91,82,240,0.06);
  --shadow-hover:   0 12px 40px rgba(91,82,240,0.15), 0 0 0 1px rgba(91,82,240,0.18);
  --shadow-btn:     0 4px 15px rgba(91, 82, 240, 0.3);
  --shadow-nav:     0 2px 20px rgba(91,82,240,0.08);

  --skill-bar-bg:   rgba(74, 82, 128, 0.12);
  --gradient-card:  linear-gradient(145deg, #ffffff 0%, #f5f7ff 100%);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul { list-style: none; }

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

/* ===== SELECTION ===== */
::selection {
  background: var(--accent-primary);
  color: #fff;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: var(--radius-full);
}

/* ===== UTILITIES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.section {
  padding: 100px 0;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-secondary);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-divider {
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  margin-top: 16px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header .section-divider {
  margin: 16px auto 0;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  background: var(--gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 99, 255, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.btn-outline:hover {
  background: var(--accent-glow);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(108, 99, 255, 0.25);
}

.btn-full { width: 100%; justify-content: center; }

/* ===== TAGS ===== */
.tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-glow);
  color: var(--accent-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

.fade-in:nth-child(1)  { animation-delay: 0.1s; }
.fade-in:nth-child(2)  { animation-delay: 0.2s; }
.fade-in:nth-child(3)  { animation-delay: 0.35s; }
.fade-in:nth-child(4)  { animation-delay: 0.5s; }
.fade-in:nth-child(5)  { animation-delay: 0.65s; }
.fade-in:nth-child(6)  { animation-delay: 0.8s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--divider-color);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: var(--shadow-nav);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  font-family: var(--font-secondary);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 1px;
  transition: color var(--transition-fast);
}

.nav-logo:hover { color: var(--accent-primary); }

.logo-bracket {
  color: var(--accent-primary);
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-nav);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-primary);
  background: var(--accent-glow);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--accent-primary);
  background: var(--accent-glow);
  border-color: var(--accent-primary);
  transform: rotate(20deg);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Hamburger active */
.hamburger.active .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active .bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(108,99,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108,99,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(108,99,255,0.15) 0%, transparent 70%);
  top: -100px;
  right: -100px;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(79,172,254,0.1) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content { max-width: 560px; }

.hero-greeting {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 12px;
}

.hero-name {
  font-family: var(--font-secondary);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero-title-wrapper {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 24px;
  min-height: 38px;
}

.hero-title-dynamic {
  color: var(--accent-primary);
  font-weight: 700;
}

.cursor-blink {
  color: var(--accent-primary);
  animation: blink 0.8s infinite;
  font-weight: 300;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero-bio {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 20px;
}

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

.stat-number {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--divider-color);
}

/* Hero Photo */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-photo-wrapper {
  position: relative;
  width: 380px;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--gradient-primary) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  animation: rotate 8s linear infinite;
}

.photo-ring-2 {
  inset: -20px;
  opacity: 0.4;
  animation: rotate 12s linear infinite reverse;
}

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

.hero-photo {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 4px solid var(--bg-secondary);
  box-shadow: 0 0 40px rgba(108,99,255,0.2), 0 20px 60px rgba(0,0,0,0.3);
  transition: transform 0.5s ease;
}

.hero-photo:hover { transform: scale(1.04); }

.photo-badge {
  position: absolute;
  bottom: 20px;
  right: 0px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-primary);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-card);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  animation: fadeInUp 1s ease 1.2s both;
}

.scroll-arrow {
  animation: bounce 1.5s ease infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

/* ===== ABOUT SECTION ===== */
.about {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: center;
}

.about-image-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.about-photo-wrapper {
  position: relative;
  width: 300px;
  height: 300px;
}

.about-photo {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  object-fit: cover;
  object-position: center top;
  box-shadow: var(--shadow-hover);
  transition: transform var(--transition-normal);
}

.about-photo:hover { transform: scale(1.03); }

.about-photo-accent {
  position: absolute;
  inset: 12px -12px -12px 12px;
  border-radius: var(--radius-xl);
  background: var(--gradient-primary);
  opacity: 0.25;
  z-index: -1;
}

.about-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-card);
}

.info-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.info-row i {
  color: var(--accent-primary);
  width: 16px;
  flex-shrink: 0;
}

.about-subtitle {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.about-text {
  color: var(--text-secondary);
  font-size: 0.97rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-text strong {
  color: var(--accent-primary);
  font-weight: 600;
}

.about-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.skill-category {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-card);
}

.skill-category:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.skill-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--divider-color);
}

.skill-category-header h3 {
  font-family: var(--font-secondary);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.skill-category-icon {
  font-size: 1.2rem;
  color: var(--accent-primary);
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.skill-item {}

.skill-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.skill-name-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.skill-icon {
  font-size: 1.1rem;
}

.skill-icon.html  { color: #e34f26; }
.skill-icon.css   { color: #1572b6; }
.skill-icon.js    { color: #f7df1e; }
.skill-icon.bootstrap { color: #7952b3; }

.skill-name {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.skill-percent {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-primary);
}

.skill-bar {
  height: 6px;
  background: var(--skill-bar-bg);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.tool-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.tool-badge i {
  color: var(--accent-primary);
  font-size: 1rem;
  width: 18px;
  text-align: center;
}

.tool-badge:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: var(--accent-glow);
  transform: translateX(4px);
}

/* ===== PROJECTS SECTION ===== */
.projects {
  background: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.project-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-hover);
}

.project-card-image {
  position: relative;
  overflow: hidden;
  height: 200px;
  background: var(--bg-primary);
}

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

.project-card:hover .project-img {
  transform: scale(1.08);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 26, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.project-links {
  display: flex;
  gap: 12px;
}

.project-link-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
  transform: translateY(10px);
}

.project-card:hover .project-link-btn {
  transform: translateY(0);
}

.project-link-btn:hover {
  background: #fff;
  color: var(--accent-primary);
  transform: scale(1.1) !important;
}

.project-link-btn:nth-child(2) { transition-delay: 0.08s; }

.project-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-number {
  font-family: var(--font-secondary);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-glow-strong);
  line-height: 1;
}

.project-title {
  font-family: var(--font-secondary);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

/* ===== EDUCATION / TIMELINE ===== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-primary), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -48px;
  top: 8px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: 3px solid var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.85rem;
  box-shadow: 0 0 16px rgba(108,99,255,0.4);
  transition: transform var(--transition-fast);
}

.timeline-dot-training {
  background: linear-gradient(135deg, #f7971e 0%, #ffd200 100%);
  box-shadow: 0 0 16px rgba(247,151,30,0.4);
}

.timeline-dot-extra {
  background: linear-gradient(135deg, #ff6b6b 0%, #ffa726 100%);
  box-shadow: 0 0 16px rgba(255,107,107,0.4);
}

.timeline-item:hover .timeline-dot { transform: scale(1.2); }

.timeline-content {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-content {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
  transform: translateX(4px);
}

.timeline-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.timeline-period {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.timeline-badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.timeline-badge-edu      { background: rgba(108,99,255,0.15); color: #6c63ff; }
.timeline-badge-training { background: rgba(247,151,30,0.15);  color: #f7971e; }
.timeline-badge-extra    { background: rgba(255,107,107,0.15); color: #ff6b6b; }

.timeline-title {
  font-family: var(--font-secondary);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.timeline-org {
  font-size: 0.88rem;
  color: var(--accent-primary);
  font-weight: 500;
  margin-bottom: 10px;
  line-height: 1.5;
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}

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

/* ===== SERVICES SECTION ===== */
.services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-card);
}

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

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--accent-glow);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-primary);
  margin-bottom: 20px;
  transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  transform: rotate(-5deg) scale(1.1);
}

.service-title {
  font-family: var(--font-secondary);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.service-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 20px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.87rem;
  color: var(--text-secondary);
}

.service-list li .fa-check {
  color: var(--accent-primary);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ===== CAREER OBJECTIVE SECTION ===== */
.career-objective {
  background: var(--bg-primary);
}

.career-objective-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.career-objective-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(108,99,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.career-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(108,99,255,0.4);
}

.career-title {
  font-family: var(--font-secondary);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.career-statement {
  max-width: 680px;
  margin: 0 auto 36px;
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.career-statement strong {
  color: var(--accent-primary);
  font-weight: 600;
}

.career-platforms-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
  margin-bottom: 16px;
}

.platform-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
}

.platform-badge:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-glow);
  transform: translateY(-2px);
}

.platform-badge i { color: var(--accent-primary); }

/* ===== CONTACT SECTION ===== */
.contact {
  background: var(--bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}

.contact-info-title {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.contact-info-text {
  color: var(--text-secondary);
  font-size: 0.97rem;
  line-height: 1.8;
  margin-bottom: 28px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

a.contact-detail-item:hover {
  border-color: var(--border-hover);
  background: var(--accent-glow);
  transform: translateX(4px);
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-detail-text {
  display: flex;
  flex-direction: column;
}

.contact-detail-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.contact-detail-value {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

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

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.social-link:hover { transform: translateY(-4px); color: #fff; }
.social-linkedin:hover  { background: #0077b5; border-color: #0077b5; }
.social-github:hover    { background: #333;    border-color: #333;    }
.social-facebook:hover  { background: #1877f2; border-color: #1877f2; }
.social-youtube:hover   { background: #ff0000; border-color: #ff0000; }

/* Contact Form */
.contact-form-wrapper {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
}

.input-wrapper {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
  pointer-events: none;
  transition: color var(--transition-fast);
}

.textarea-wrapper .input-icon.textarea-icon {
  top: 18px;
  transform: none;
}

.form-input {
  width: 100%;
  padding: 13px 16px 13px 44px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 0.92rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent-primary);
  background: var(--bg-card);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input:focus + .input-icon { color: var(--accent-primary); }
.form-input:focus ~ .input-icon { color: var(--accent-primary); }

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

.form-textarea {
  resize: vertical;
  min-height: 140px;
  padding-top: 14px;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(79,172,254,0.1);
  border: 1px solid rgba(79,172,254,0.3);
  border-radius: var(--radius-md);
  color: #4facfe;
  font-size: 0.9rem;
  font-weight: 500;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--divider-color);
  padding: 60px 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--divider-color);
}

.footer-logo {
  font-size: 1.4rem;
  display: inline-block;
  margin-bottom: 12px;
}

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

.footer-links-title {
  font-family: var(--font-secondary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.footer-links a:hover { color: var(--accent-primary); }

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  background: var(--accent-glow);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.back-to-top {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.back-to-top:hover {
  color: var(--accent-primary);
}

/* ===== MEDIA QUERIES ===== */

/* Tablet */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }
  .hero-content { max-width: 100%; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-bio { margin-left: auto; margin-right: auto; }
  .hero-title-wrapper { justify-content: center; }
  .hero-visual { order: -1; }

  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .about-image-col { flex-direction: column; align-items: center; }
  .about-cta { justify-content: center; }

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

  .footer-content { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* Mobile */
@media (max-width: 768px) {
  :root { --nav-height: 64px; }

  .section { padding: 70px 0; }

  /* Mobile Nav */
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-nav);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 4px;
    border-bottom: 1px solid var(--divider-color);
    transform: translateY(-110%);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 999;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-link { text-align: center; padding: 12px 16px; border-radius: var(--radius-md); }

  .hamburger { display: flex; }

  /* Hero */
  .hero {
    padding: 100px 16px 60px;
    min-height: auto;
  }

  .hero-photo-wrapper { width: 260px; height: 260px; }
  .hero-photo { width: 220px; height: 220px; }
  .photo-badge { font-size: 0.75rem; bottom: 10px; right: -10px; }

  /* Skills */
  .skills-grid { grid-template-columns: 1fr; }
  .skill-tools-grid { grid-template-columns: repeat(2, 1fr); }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }

  /* Timeline */
  .timeline { padding-left: 30px; }
  .timeline-dot { left: -38px; width: 28px; height: 28px; font-size: 0.72rem; }

  /* Career */
  .career-objective-card { padding: 36px 24px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }
  .contact-form-wrapper { padding: 24px; }

  /* Footer */
  .footer-content { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { grid-column: 1; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .about-cta { flex-direction: column; }
  .hero-photo-wrapper { width: 220px; height: 220px; }
  .hero-photo { width: 180px; height: 180px; }
  .section-title { font-size: 1.8rem; }
  .hero-name { font-size: 2.4rem; }
}