/* Ultra-Clean Personal Portfolio Style for Panagiotis Ntaflos (@_ntaflos_p) */
:root {
  --bg-color: #0b0c0e;
  --bg-card: #141518;
  --bg-card-hover: #1b1c20;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --accent: #ffffff;
  --accent-tint: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.09);
  --border-active: rgba(255, 255, 255, 0.25);
  --glass-bg: rgba(11, 12, 14, 0.85);
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

html {
  scroll-behavior: smooth;
  font-size: 15px;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: #2a2c31;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3e4147;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  padding: 0.85rem 0;
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-active);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Buttons */
.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1.25rem;
  border-radius: 100px;
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.16);
}

.btn-icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-tint);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-icon:hover {
  border-color: var(--border-active);
  transform: translateY(-1px);
}

/* Profile Hero */
.profile-hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

.profile-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.avatar-container {
  width: 124px;
  height: 124px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, rgba(255,255,255,0.4), rgba(255,255,255,0.08));
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}

.avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.profile-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.profile-name {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.profile-links-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.handle-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 0.45rem 1rem;
  border-radius: 100px;
  border: 1px solid var(--border-light);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}

.handle-badge:hover {
  border-color: var(--border-active);
  color: var(--text-main);
  transform: translateY(-1px);
}

/* Gallery Grid */
.gallery-section {
  padding-bottom: 5rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.photo-card {
  position: relative;
  background: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  cursor: pointer;
  aspect-ratio: 3 / 4;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}

.photo-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-active);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img-wrapper {
  max-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85);
}

.lightbox-counter-bar {
  margin-top: 1rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.lightbox-close,
.lightbox-nav-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-close:hover,
.lightbox-nav-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.lightbox-prev {
  position: absolute;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

/* Contact Modal */
.contact-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.contact-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  width: 100%;
  max-width: 480px;
  padding: 2.2rem;
  position: relative;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  transform: translateY(15px);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-modal.active .contact-card {
  transform: translateY(0);
}

.contact-modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
  padding: 0.4rem;
  border-radius: 50%;
  transition: color 0.2s ease;
}

.contact-modal-close:hover {
  color: var(--text-main);
}

.contact-header {
  margin-bottom: 1.6rem;
}

.contact-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.contact-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.form-input,
.form-textarea {
  background: var(--bg-color);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.92rem;
  font-family: var(--font-sans);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--border-active);
  box-shadow: 0 0 0 3px var(--accent-tint);
}

.form-textarea {
  min-height: 110px;
  resize: vertical;
}

.hp-field {
  display: none !important;
  visibility: hidden !important;
}

.form-submit-btn {
  background: var(--accent);
  color: var(--bg-color);
  border: none;
  padding: 0.85rem 1.5rem;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.form-submit-btn:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.form-submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.form-status {
  font-size: 0.85rem;
  padding: 0.7rem 1rem;
  border-radius: 6px;
  margin-top: 0.5rem;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-light);
  padding: 2.2rem 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--text-main);
}

/* Responsive */
@media (max-width: 900px) {
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .profile-name {
    font-size: 1.7rem;
  }
  .lightbox-prev {
    left: 0.5rem;
  }
  .lightbox-next {
    right: 0.5rem;
  }
}