/* ===================================================================
   GoToTask — Modern About Us Design System (about-page.css)
   Ultra-Premium UI for http://127.0.0.1/gototask/views/about
   =================================================================== */

/* ── 1. Page Canvas & Layout ── */
.gtt-about-page {
  color: #0f172a;
  background: #f8fafc;
  font-family: inherit;
  overflow-x: hidden;
}

/* ── 2. Atmospheric Hero Section ── */
.gtt-about-hero {
  position: relative;
  padding: 5.5rem 1.5rem 5.5rem;
  background: linear-gradient(165deg, #090919 0%, #0d102e 30%, #12143d 60%, #0a0b1f 100%);
  overflow: hidden;
  color: #ffffff;
  text-align: center;
  border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}

.gtt-about-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.gtt-about-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.8;
}

.gtt-about-orb--1 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, rgba(99, 102, 241, 0) 70%);
  top: -20%;
  left: -10%;
  animation: gttAboutOrb 14s ease-in-out infinite alternate;
}

.gtt-about-orb--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.25) 0%, rgba(139, 92, 246, 0) 70%);
  bottom: -20%;
  right: -5%;
  animation: gttAboutOrb 16s ease-in-out infinite alternate-reverse;
}

@keyframes gttAboutOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(25px, -20px) scale(1.06); }
  100% { transform: translate(-15px, 15px) scale(0.96); }
}

.gtt-about-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: 0.75;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 45%, #000 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 45%, #000 35%, transparent 100%);
}

.gtt-about-hero-container {
  position: relative;
  z-index: 2;
  max-width: 980px;
  margin: 0 auto;
}

.gtt-about-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.42rem 1.25rem;
  border-radius: 9999px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.35);
  box-shadow: 0 0 24px rgba(99, 102, 241, 0.12);
  font-size: 0.84rem;
  font-weight: 750;
  color: #a5b4fc;
  letter-spacing: 0.3px;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(12px);
}

.gtt-about-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
}

.gtt-about-title {
  font-size: clamp(2.35rem, 4.5vw, 3.75rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.gtt-about-gradient-text {
  background: linear-gradient(135deg, #818cf8 0%, #a78bfa 35%, #c084fc 70%, #f472b6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.gtt-about-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  line-height: 1.7;
  color: #cbd5e1;
  max-width: 760px;
  margin: 0 auto 2.5rem;
}

/* Impact Metrics Counter Bar */
.gtt-about-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
}

.gtt-about-stat-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  padding: 1.5rem 1rem;
  backdrop-filter: blur(10px);
  text-align: center;
}

.gtt-about-stat-number {
  font-size: clamp(1.85rem, 2.5vw, 2.4rem);
  font-weight: 900;
  color: #38bdf8;
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.gtt-about-stat-label {
  font-size: 0.82rem;
  color: #cbd5e1;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── 3. Origin Story Section ── */
.gtt-about-story-section {
  padding: 5.5rem 1.5rem;
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
}

.gtt-about-story-container {
  max-width: 1160px;
  margin: 0 auto;
}

.gtt-about-story-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.gtt-about-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  color: #4338ca;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.gtt-about-section-title {
  font-size: clamp(2rem, 3.2vw, 2.65rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #0f172a;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.gtt-about-story-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #475569;
  margin-bottom: 1.25rem;
}

.gtt-about-story-content strong {
  color: #0f172a;
  font-weight: 750;
}

.gtt-about-quote-card {
  background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
  border: 1px solid #c7d2fe;
  border-left: 5px solid #4f46e5;
  border-radius: 20px;
  padding: 2.5rem 2rem;
  box-shadow: 0 10px 30px -4px rgba(79, 70, 229, 0.08);
}

.gtt-about-quote-mark {
  font-size: 3rem;
  line-height: 1;
  color: #818cf8;
  font-family: Georgia, serif;
  margin-bottom: 0.75rem;
}

.gtt-about-quote-text {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.65;
  color: #1e293b;
  margin-bottom: 1.5rem;
}

.gtt-about-quote-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.gtt-about-author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.15rem;
}

.gtt-about-author-name {
  font-size: 1rem;
  font-weight: 800;
  color: #0f172a;
}

.gtt-about-author-role {
  font-size: 0.82rem;
  color: #64748b;
}

/* ── 4. Architectural Values & Principles ── */
.gtt-about-principles-section {
  padding: 5.5rem 1.5rem;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

.gtt-about-header-centered {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3.5rem;
}

.gtt-about-principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
  max-width: 1200px;
  margin: 0 auto;
}

.gtt-about-principle-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 2.25rem 1.75rem;
  box-shadow: 0 4px 16px -2px rgba(15, 23, 42, 0.04);
  transition: all 0.28s ease;
  display: flex;
  flex-direction: column;
}

.gtt-about-principle-card:hover {
  transform: translateY(-6px);
  border-color: #818cf8;
  box-shadow: 0 16px 36px -6px rgba(79, 70, 229, 0.12);
}

.gtt-principle-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.gtt-about-principle-card h3 {
  font-size: 1.25rem;
  font-weight: 850;
  color: #0f172a;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.gtt-about-principle-card p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: #64748b;
  margin: 0;
  flex-grow: 1;
}

/* ── 5. Interactive Platform Showcase (Tabbed Experience) ── */
.gtt-about-showcase-section {
  padding: 5.5rem 1.5rem;
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
}

.gtt-about-tabs-wrapper {
  max-width: 1200px;
  margin: 0 auto;
}

.gtt-about-tabs-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.gtt-about-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.35rem;
  border-radius: 9999px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #475569;
  font-size: 0.92rem;
  font-weight: 750;
  cursor: pointer;
  transition: all 0.22s ease;
}

.gtt-about-tab-btn:hover {
  background: #e2e8f0;
  color: #0f172a;
}

.gtt-about-tab-btn.is-active {
  background: #4f46e5;
  border-color: #4f46e5;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.35);
}

.gtt-about-tab-panel {
  display: none;
  grid-template-columns: 1fr 1.25fr;
  gap: 3rem;
  align-items: center;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  padding: 3rem 2.5rem;
  box-shadow: 0 8px 30px -4px rgba(15, 23, 42, 0.05);
}

.gtt-about-tab-panel.is-active {
  display: grid;
  animation: gttTabFadeIn 0.3s ease-out forwards;
}

@keyframes gttTabFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.gtt-about-panel-info {
  display: flex;
  flex-direction: column;
}

.gtt-about-panel-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.85rem;
  border-radius: 9999px;
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  color: #4338ca;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  align-self: flex-start;
}

.gtt-about-panel-title {
  font-size: clamp(1.6rem, 2.3vw, 2.15rem);
  font-weight: 850;
  color: #0f172a;
  line-height: 1.25;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.gtt-about-panel-desc {
  font-size: 1.02rem;
  line-height: 1.7;
  color: #475569;
  margin: 0 0 1.5rem;
}

.gtt-about-panel-vectors {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.gtt-about-vector-box {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 0.85rem 1.15rem;
  font-size: 0.9rem;
  line-height: 1.5;
  color: #334155;
}

.gtt-about-vector-box strong {
  display: block;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.gtt-about-vector--benefit strong { color: #2563eb; }
.gtt-about-vector--prod strong { color: #059669; }
.gtt-about-vector--collab strong { color: #7c3aed; }

.gtt-about-panel-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.92rem;
  font-weight: 800;
  color: #4f46e5;
  text-decoration: none;
  align-self: flex-start;
  transition: gap 0.2s ease;
}

.gtt-about-panel-link:hover {
  gap: 0.75rem;
}

/* Panel Mockup Browser Chrome */
.gtt-about-browser-wrap {
  position: relative;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 16px 36px -6px rgba(15, 23, 42, 0.1);
}

.gtt-about-browser-chrome {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

.gtt-about-browser-dots {
  display: flex;
  gap: 5px;
}

.gtt-about-browser-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.gtt-dot--red { background: #ef4444; }
.gtt-dot--yellow { background: #f59e0b; }
.gtt-dot--green { background: #10b981; }

.gtt-about-browser-address {
  font-size: 0.78rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: #64748b;
  background: #ffffff;
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  flex-grow: 1;
}

.gtt-about-browser-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ── 6. Culture & Engineering Values ── */
.gtt-about-culture-section {
  padding: 5.5rem 1.5rem;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

.gtt-about-culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.gtt-about-culture-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 2.25rem 2rem;
  box-shadow: 0 4px 16px -2px rgba(15, 23, 42, 0.04);
}

.gtt-about-culture-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  line-height: 1;
}

.gtt-about-culture-card h3 {
  font-size: 1.25rem;
  font-weight: 850;
  color: #0f172a;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.gtt-about-culture-card p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #64748b;
  margin: 0;
}

/* ── 7. Enterprise Security & Sovereignty Seals ── */
.gtt-about-trust-section {
  padding: 5rem 1.5rem;
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
}

.gtt-about-trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.gtt-about-trust-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.gtt-about-trust-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #eef2ff;
  color: #4f46e5;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.gtt-about-trust-body h4 {
  font-size: 1rem;
  font-weight: 800;
  color: #0f172a;
  margin: 0 0 0.25rem;
}

.gtt-about-trust-body p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: #64748b;
  margin: 0;
}

/* ── 8. High-Impact Enterprise CTA Banner ── */
.gtt-about-cta-section {
  padding: 5rem 1.5rem 6rem;
  background: #f8fafc;
}

.gtt-about-cta-box {
  background: linear-gradient(135deg, #090919 0%, #0d102e 50%, #17194a 100%);
  border-radius: 24px;
  padding: 4rem 2rem;
  text-align: center;
  color: #ffffff;
  max-width: 1080px;
  margin: 0 auto;
  box-shadow: 0 20px 48px -10px rgba(15, 23, 42, 0.35);
  border: 1px solid rgba(99, 102, 241, 0.25);
  position: relative;
  overflow: hidden;
}

.gtt-about-cta-box h2 {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 900;
  color: #ffffff;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

.gtt-about-cta-box p {
  font-size: 1.12rem;
  color: #cbd5e1;
  max-width: 680px;
  margin: 0 auto 2.5rem;
  line-height: 1.65;
}

.gtt-about-cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.gtt-about-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 2rem;
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
  color: #ffffff !important;
  font-size: 1rem;
  font-weight: 800;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 4px 18px rgba(79, 70, 229, 0.45);
  transition: all 0.22s ease;
}

.gtt-about-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.55);
}

.gtt-about-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 1.85rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff !important;
  font-size: 1rem;
  font-weight: 750;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.22s ease;
}

.gtt-about-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: #ffffff;
  transform: translateY(-2px);
}

/* ── 9. Responsive Breakpoints ── */
@media (max-width: 1200px) {
  .gtt-about-principles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gtt-about-trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 991px) {
  .gtt-about-stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .gtt-about-story-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .gtt-about-tab-panel {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2rem 1.5rem;
  }
  .gtt-about-culture-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .gtt-about-hero {
    padding: 4rem 1rem 4.5rem;
  }
  .gtt-about-stats-bar {
    grid-template-columns: 1fr;
  }
  .gtt-about-principles-grid {
    grid-template-columns: 1fr;
  }
  .gtt-about-trust-grid {
    grid-template-columns: 1fr;
  }
  .gtt-about-cta-box {
    padding: 2.5rem 1.25rem;
  }
  .gtt-about-tab-btn {
    width: 100%;
    justify-content: center;
  }
}