/* ==========================================
   TL Services – Stylesheet (Light Corporate)
   ========================================== */

:root {
  --bg:        #f8fafc;
  --bg-alt:    #f1f5f9;
  --bg-card:   #ffffff;
  --border:    #e2e8f0;
  --accent:    #1d4ed8;
  --accent-2:  #0ea5e9;
  --accent-light: #eff6ff;
  --text:      #0f172a;
  --text-muted:#64748b;
  --radius:    12px;
  --nav-h:     70px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.05);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.06);
}

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

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

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(29,78,216,0.25);
}
.btn-primary:hover {
  background: #1e40af;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(29,78,216,0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  background: var(--bg-alt);
  border-color: #cbd5e1;
}

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

/* ==========================================
   NAVIGATION
   ========================================== */

#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}

#header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.logo-img--footer {
  height: 32px;
}

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

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

.lang-toggle {
  background: var(--bg-alt);
  border: 1.5px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.lang-toggle:hover {
  background: var(--border);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 24px 20px;
  gap: 4px;
  border-top: 1px solid var(--border);
  background: #fff;
}
.mobile-menu a {
  padding: 10px 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu.open { display: flex; }

/* ==========================================
   HERO
   ========================================== */

#hero {
  position: relative;
  padding: calc(var(--nav-h) + 90px) 0 110px;
  overflow: hidden;
  text-align: center;
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.hero-glow {
  position: absolute;
  top: -150px; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 500px;
  background: radial-gradient(ellipse at center, rgba(29,78,216,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-light);
  border: 1px solid rgba(29,78,216,0.2);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

#hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 22px;
  color: var(--text);
}
#hero h1 span {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

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

/* ==========================================
   SECTION SHARED
   ========================================== */

section { padding: 96px 0; }

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 14px;
  color: var(--text);
}

.section-sub {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
}

/* ==========================================
   SERVICES
   ========================================== */

#services { background: var(--bg); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  box-shadow: var(--shadow-sm);
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(29,78,216,0.25);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 50px;
  height: 50px;
  background: var(--accent-light);
  border: 1px solid rgba(29,78,216,0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}
.card-icon svg { width: 22px; height: 22px; }

.card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  color: #0369a1;
  border-radius: 100px;
}

/* ==========================================
   ABOUT
   ========================================== */

#about {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-photo-wrap {
  position: relative;
  display: inline-block;
}

.about-photo {
  width: 300px;
  height: 360px;
  object-fit: cover;
  object-position: center top;
  border-radius: 20px;
  border: 1px solid var(--border);
  display: block;
  box-shadow: var(--shadow-lg);
}

.about-stat-badge {
  position: absolute;
  bottom: -18px;
  right: -18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 22px;
  text-align: center;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }

.about-text .section-label { display: block; }

.about-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.7px;
  margin-bottom: 18px;
  color: var(--text);
}

.about-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 14px;
}

.about-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.about-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.about-list li::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ==========================================
   CONTACT
   ========================================== */

#contact {
  background: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow-sm);
}

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

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

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #cbd5e1;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(29,78,216,0.1);
  background: #fff;
}

.form-group textarea { resize: vertical; }

.form-success,
.form-error {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.5;
}

.form-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #15803d;
}

.form-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
}

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

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow-sm);
}
.info-card:hover {
  border-color: rgba(29,78,216,0.3);
  box-shadow: var(--shadow-md);
}

.info-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-light);
  border: 1px solid rgba(29,78,216,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.info-icon svg { width: 18px; height: 18px; }

.info-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 3px;
}
.info-value {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}
a.info-value:hover { color: var(--accent); }

/* ==========================================
   FOOTER
   ========================================== */

footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  background: var(--bg-alt);
}

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

.footer-logo {
  display: flex;
  align-items: center;
}

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

.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  #hero { padding-top: calc(var(--nav-h) + 50px); }
  section { padding: 70px 0; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}