/* =============================================
   PORTFOLIO — Global Styles
   Theme: Light Grey + Blue Accent
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;600;700;800&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Greys */
  --bg:          #f2f2f2;
  --bg-alt:      #eaeaea;
  --bg-card:     #ffffff;
  --border:      #dcdcdc;
  --text:        #1a1a1a;
  --text-muted:  #6b6b6b;
  --text-light:  #9a9a9a;

  /* Blue accents */
  --blue:        #4a88d0;
  --blue-light:  #6aa3e8;
  --blue-subtle: #ddeeff;
  --blue-glow:   rgba(74, 136, 208, 0.18);

  /* Misc */
  --radius:      14px;
  --radius-sm:   8px;
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.07);
  --shadow-md:   0 6px 24px rgba(0,0,0,0.10);
  --shadow-lg:   0 16px 48px rgba(0,0,0,0.12);
  --transition:  0.25s cubic-bezier(0.4, 0, 0.2, 1);

  --dock-height: 80px;
}

/* --- Dark Mode Variables --- */
[data-theme="dark"] {
  --bg:          #141414;
  --bg-alt:      #1e1e1e;
  --bg-card:     #1c1c1c;
  --border:      #2e2e2e;
  --text:        #eeeeee;
  --text-muted:  #a0a0a0;
  --text-light:  #5a5a5a;

  --blue:        #5a9de0;
  --blue-light:  #79b4f0;
  --blue-subtle: rgba(74, 136, 208, 0.14);
  --blue-glow:   rgba(74, 136, 208, 0.28);

  --shadow-sm:   0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:   0 6px 24px rgba(0,0,0,0.4);
  --shadow-lg:   0 16px 48px rgba(0,0,0,0.5);
}

/* Smooth theme transitions */
*, *::before, *::after {
  transition:
    background-color 0.3s ease,
    border-color 0.3s ease,
    color 0.2s ease,
    box-shadow 0.3s ease;
}

/* --- Theme Toggle Button --- */
.theme-toggle {
  position: fixed;
  top: 18px;
  right: 20px;
  z-index: 9998;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
  outline: none;
}

.theme-toggle:hover {
  border-color: var(--blue-light);
  color: var(--blue);
  box-shadow: var(--shadow-md);
  transform: scale(1.08);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Show correct icon per theme */
.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun  { display: none;  }
[data-theme="dark"] .theme-toggle .icon-moon { display: none;  }
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }


/* --- Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }

p { color: var(--text-muted); font-size: 1.02rem; }

a {
  color: var(--blue);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--blue-light); }

/* --- Layout Utilities --- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
}

.section {
  padding: 80px 0 60px;
}

.page-header {
  text-align: center;
  padding: 72px 28px 48px;
}

.page-header h1 {
  color: var(--text);
}

.page-header p {
  margin-top: 12px;
  font-size: 1.1rem;
  color: var(--text-muted);
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-subtle);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

/* --- Divider --- */
.divider {
  width: 52px;
  height: 3px;
  background: var(--blue);
  border-radius: 4px;
  margin: 16px auto 0;
  opacity: 0.7;
}

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--blue-light);
}

/* --- Badge / Tag --- */
.badge {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 500;
  padding: 3px 11px;
  border-radius: 100px;
  background: var(--bg-alt);
  color: var(--text-muted);
  border: 1px solid var(--border);
  transition: background var(--transition), color var(--transition);
}

.badge.blue {
  background: var(--blue-subtle);
  color: var(--blue);
  border-color: var(--blue-light);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover {
  background: var(--blue-light);
  color: #fff;
  box-shadow: 0 4px 16px var(--blue-glow);
  transform: translateY(-1px);
}

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

/* --- Hero Section (index.php) --- */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 82vh;
  text-align: center;
  padding: 48px 28px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 30% 40%, rgba(74,136,208,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 75% 70%, rgba(74,136,208,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--blue);
  background: var(--blue-subtle);
  border: 1px solid rgba(74,136,208,0.25);
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}

.hero-eyebrow .dot {
  width: 7px; height: 7px;
  background: var(--blue);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.85); }
}

.hero h1 {
  color: var(--text);
  margin-bottom: 20px;
}

.hero h1 span {
  color: var(--blue);
}

.hero-sub {
  font-size: 1.12rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- About section (index.php) --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.about-text h2 {
  margin-bottom: 16px;
}

.about-text p + p {
  margin-top: 14px;
}

.about-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.fact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.fact-card:hover {
  border-color: var(--blue-light);
  box-shadow: var(--shadow-sm);
}

.fact-card .fact-icon {
  font-size: 1.6rem;
  margin-bottom: 8px;
  display: block;
}

.fact-card strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.fact-card span {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* --- Projects Grid --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

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

.project-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--blue-light);
}

.project-header {
  height: 56px;
  background: linear-gradient(135deg, var(--bg-alt) 0%, var(--border) 100%);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.project-header .dot-row {
  display: flex; gap: 6px;
  position: absolute; left: 16px;
}

.project-header .dot-row span {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--border);
  display: block;
}

.project-header .dot-row span:nth-child(1) { background: #ff6860; }
.project-header .dot-row span:nth-child(2) { background: #ffbe30; }
.project-header .dot-row span:nth-child(3) { background: #27c640; }

.project-header .project-type-badge {
  margin-left: auto;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  background: var(--blue-subtle);
  color: var(--blue);
  border: 1px solid rgba(74,136,208,0.25);
}

.project-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-body h3 { color: var(--text); }
.project-body p { 
  font-size: 0.91rem; 
  flex: 1; 
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-links {
  display: flex;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

/* --- Skills --- */
.skills-categories {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.skill-category h3 {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.skill-category h3::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.skill-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.skill-item:hover {
  border-color: var(--blue-light);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.skill-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.skill-icon {
  font-size: 1.2rem;
}

.skill-bar {
  height: 4px;
  background: var(--bg-alt);
  border-radius: 100px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
  border-radius: 100px;
  transform-origin: left;
  animation: fill-bar 1.2s cubic-bezier(0.4,0,0.2,1) both;
}

@keyframes fill-bar {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-info h2 { margin-bottom: 16px; }
.contact-info p  { margin-bottom: 24px; }

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all var(--transition);
}

.contact-link:hover {
  border-color: var(--blue-light);
  color: var(--blue);
  background: var(--blue-subtle);
  transform: translateX(4px);
}

.contact-link .link-icon {
  font-size: 1.2rem;
  width: 32px;
  height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

/* --- Form --- */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

/* --- Footer simple text --- */
.site-footer {
  text-align: center;
  padding: 24px 24px 120px 24px;
  font-size: 0.82rem;
  color: var(--text-light);
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .hero {
    min-height: 70vh;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .about-facts { grid-template-columns: 1fr; }
}