/* =============================================
   TB Digital — Thomas Bissonnette
   Stylesheet
============================================= */

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

:root {
  --red:       #e62b2b;
  --red-dark:  #c01f1f;
  --red-glow:  rgba(230, 43, 43, 0.18);
  --black:     #0a0a0a;
  --black-2:   #111111;
  --black-3:   #1a1a1a;
  --black-4:   #222222;
  --white:     #ffffff;
  --grey-1:    #f5f5f5;
  --grey-2:    #aaaaaa;
  --grey-3:    #555555;
  --font:      'Inter', system-ui, sans-serif;
  --radius:    12px;
  --radius-sm: 6px;
  --transition: 0.3s ease;
  --shadow:    0 8px 32px rgba(0,0,0,0.4);
  --shadow-red: 0 0 40px rgba(230, 43, 43, 0.25);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }

/* ---- Utilities ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.accent { color: var(--red); }
.accent-text { color: var(--red); }

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
  padding: 4px 12px;
  border: 1px solid rgba(230,43,43,0.35);
  border-radius: 100px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-sub { color: var(--grey-2); font-size: 1.05rem; }

.section-header { text-align: center; margin-bottom: 56px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-red);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.25);
}
.btn-outline:hover {
  border-color: var(--red);
  color: var(--red);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
  background: transparent;
  color: var(--red);
  border: 1.5px solid var(--red);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-sm:hover {
  background: var(--red);
  color: var(--white);
  transform: translateX(4px);
}

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

/* ---- Animations ---- */
.fade-in { animation: fadeIn 0.9s ease both; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal { opacity: 0; transform: translateY(30px); 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;
  padding: 18px 0;
  transition: background var(--transition), padding var(--transition), backdrop-filter var(--transition);
}
.navbar.scrolled {
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 36px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--grey-2);
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--red);
  transition: width var(--transition);
}
.nav-link:hover { color: var(--white); }
.nav-link:hover::after { width: 100%; }

.contact-btn {
  padding: 8px 20px;
  background: var(--red);
  color: var(--white) !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.contact-btn::after { display: none; }
.contact-btn:hover { background: var(--red-dark) !important; color: var(--white) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
  border-radius: 2px;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

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

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(230,43,43,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
}

.hero-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 20px;
  padding: 6px 16px;
  border: 1px solid rgba(230,43,43,0.4);
  border-radius: 100px;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--grey-2);
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.scroll-dot {
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  position: relative;
}
.scroll-dot::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--red);
  border-radius: 2px;
  animation: scrollBounce 2s ease infinite;
}
@keyframes scrollBounce {
  0%, 100% { top: 6px; opacity: 1; }
  50%       { top: 16px; opacity: 0.4; }
}

/* =============================================
   ABOUT
============================================= */
.about {
  padding: 100px 0;
  background: var(--black-2);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-text p {
  color: var(--grey-2);
  margin-bottom: 16px;
  line-height: 1.8;
}

.skills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

.skill-tag {
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  border: 1px solid var(--black-4);
  border-radius: var(--radius-sm);
  color: var(--grey-2);
  background: var(--black-3);
  transition: all var(--transition);
}
.skill-tag:hover {
  border-color: var(--red);
  color: var(--red);
}

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

.stat-card {
  background: var(--black-3);
  border: 1px solid var(--black-4);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-card:hover {
  border-color: var(--red);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--red);
  line-height: 1;
}
.stat-label { font-size: 0.85rem; color: var(--grey-2); }

/* =============================================
   SERVICES
============================================= */
.services { padding: 100px 0; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--black-2);
  border: 1px solid var(--black-4);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  border-color: var(--red);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3), 0 0 0 1px rgba(230,43,43,0.15);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: var(--red-glow);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--red);
}
.service-icon svg { width: 24px; height: 24px; }

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.service-card p { color: var(--grey-2); font-size: 0.93rem; line-height: 1.7; }

/* =============================================
   PROJECTS
============================================= */
.projects {
  padding: 100px 0;
  background: var(--black-2);
}

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

.project-card {
  background: var(--black-3);
  border: 1px solid var(--black-4);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: rgba(230,43,43,0.3);
}

.project-img {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--black-4);
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.5s ease;
}
.project-card:hover .project-img img { transform: scale(1.06); }

.project-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--grey-3);
  background: linear-gradient(135deg, var(--black-3), var(--black-4));
}
.project-img-placeholder svg { width: 48px; height: 48px; }
.project-img-placeholder span { font-size: 0.85rem; font-weight: 500; letter-spacing: 0.08em; }

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }

.project-link-icon {
  width: 48px;
  height: 48px;
  background: var(--red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition);
}
.project-link-icon:hover { transform: scale(1.1); }
.project-link-icon svg { width: 20px; height: 20px; }

.project-info { padding: 24px; }

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.project-tags span {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  background: var(--red-glow);
  color: var(--red);
  border-radius: 100px;
  border: 1px solid rgba(230,43,43,0.25);
}

.project-info h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.project-info p { color: var(--grey-2); font-size: 0.9rem; line-height: 1.65; margin-bottom: 20px; }

/* =============================================
   CONTACT
============================================= */
.contact { padding: 100px 0; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: start;
}

.contact-info p { color: var(--grey-2); margin-bottom: 32px; line-height: 1.8; }

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

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--grey-2);
  font-size: 0.95rem;
}
.contact-item svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--red); }

/* Form */
.contact-form {
  background: var(--black-2);
  border: 1px solid var(--black-4);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label { font-size: 0.85rem; font-weight: 500; color: var(--grey-2); }

.form-group input,
.form-group textarea {
  background: var(--black-3);
  border: 1.5px solid var(--black-4);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--white);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--grey-3); }

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(230,43,43,0.12);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ff6b6b;
}

.form-notice {
  font-size: 0.875rem;
  min-height: 20px;
  text-align: center;
}
.form-notice.success { color: #4ade80; }
.form-notice.error-msg { color: #f87171; }

/* =============================================
   FOOTER
============================================= */
.footer {
  background: var(--black-2);
  border-top: 1px solid var(--black-4);
  padding: 32px 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy { color: var(--grey-3); font-size: 0.875rem; }

.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--grey-3);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--red); }

/* =============================================
   RESPONSIVE
============================================= */
.hide-mobile { display: inline; }

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 80vw);
    height: 100vh;
    background: var(--black-2);
    border-left: 1px solid var(--black-4);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 0 40px;
    gap: 28px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .nav-links.open { right: 0; }
  .nav-link { font-size: 1.1rem; }

  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 24px; }
  .footer-content { flex-direction: column; text-align: center; }
  .hide-mobile { display: none; }

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

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; align-items: center; }
  .about-stats { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
}

/* =============================================
   MESSENGER WIDGET
============================================= */
.messenger-widget {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

/* Bouton principal */
.messenger-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0084ff, #0668e1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,132,255,0.45);
  cursor: pointer;
  border: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}
.messenger-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(0,132,255,0.55);
}
.messenger-btn svg {
  width: 28px;
  height: 28px;
}

/* Pastille de notification */
.messenger-notif {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 10px;
  height: 10px;
  background: #ff3b30;
  border-radius: 50%;
  border: 2px solid var(--black);
  animation: notifPulse 2s ease infinite;
}
@keyframes notifPulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.25); }
}

/* Popup */
.messenger-popup {
  width: 300px;
  background: var(--black-2);
  border: 1px solid var(--black-4);
  border-radius: 16px;
  box-shadow: 0 12px 48px rgba(0,0,0,0.5);
  overflow: hidden;
  transform: scale(0.85) translateY(12px);
  transform-origin: bottom right;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), opacity 0.25s ease;
}
.messenger-popup.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: all;
}

/* Header popup */
.messenger-popup-header {
  background: linear-gradient(135deg, #0084ff, #0668e1);
  padding: 16px 16px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.messenger-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.messenger-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.messenger-info strong {
  color: #fff;
  font-size: 0.9rem;
}
.messenger-info span {
  color: rgba(255,255,255,0.75);
  font-size: 0.75rem;
}
.messenger-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color 0.2s;
}
.messenger-close:hover { color: #fff; }

/* Corps popup */
.messenger-popup-body {
  padding: 16px;
}
.messenger-bubble {
  background: var(--black-3);
  border-radius: 12px 12px 12px 4px;
  padding: 12px 14px;
  display: inline-block;
  max-width: 100%;
}
.messenger-bubble p {
  color: var(--grey-2);
  font-size: 0.875rem;
  line-height: 1.55;
}

/* Bouton CTA */
.messenger-cta {
  display: block;
  margin: 0 16px 16px;
  padding: 11px 16px;
  background: linear-gradient(135deg, #0084ff, #0668e1);
  color: #fff;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 8px;
  text-align: center;
  transition: opacity 0.2s, transform 0.2s;
}
.messenger-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

@media (max-width: 480px) {
  .messenger-widget { bottom: 16px; right: 16px; }
  .messenger-popup { width: calc(100vw - 32px); }
}