/* ============================================================
   aboutus.css — premium cybersecurity aesthetics
   Inherits all tokens from style.css, maintains visual DNA
   ============================================================ */

/* ----- Back link (matches main) ----- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 450;
  margin-bottom: 32px;
  padding: 6px 0;
  transition: color 0.25s ease, gap 0.25s ease;
}
.back-link:hover { color: var(--accent); gap: 12px; }
.back-link svg { transition: transform 0.2s ease; }
.back-link:hover svg { transform: translateX(-3px); }

/* ----- Hero Premium (cinematic) ----- */
.hero-premium {
  text-align: center;
  padding: 20px 0 48px;
}
.hero-premium__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: var(--bg-raised);
  border: 1px solid var(--border-md);
  border-radius: 99px;
  padding: 5px 16px;
  margin-bottom: 24px;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2.2s ease-in-out infinite;
}
.hero-premium__title {
  font-family: var(--mono);
  font-size: clamp(36px, 8vw, 64px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -2px;
  color: var(--text-primary);
  margin-bottom: 24px;
}
.title-accent {
  background: linear-gradient(90deg, #0066FF 0%, #3B82F6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-premium__text {
  max-width: 720px;
  margin: 0 auto;
  font-size: clamp(16px, 1.1rem + 0.2vw, 18px);
  color: var(--text-secondary);
  line-height: 1.75;
  font-weight: 350;
}

/* ----- Section headers ----- */
.section-header {
  text-align: center;
  margin: 48px 0 32px;
}
.section-title {
  font-family: var(--mono);
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.section-sub {
  font-size: clamp(14px, 0.95rem + 0.1vw, 16px);
  color: var(--text-muted);
  font-family: var(--mono);
}

/* ----- 4 Layers Premium Grid (Glassmorphism 2.0) ----- */
.layers-premium-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 32px 0 56px;
}

.layer-premium {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 102, 255, 0.12);
  border-radius: 28px;
  padding: 28px 22px;
  transition: all 0.35s cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow: 0 15px 30px -12px rgba(0, 0, 0, 0.1);
  position: relative;
}
.layer-premium:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 102, 255, 0.3);
  box-shadow: 0 24px 40px -16px rgba(0, 102, 255, 0.15);
}
.layer-premium__icon {
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.9;
}
.layer-premium__index {
  font-family: var(--mono);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.2;
  position: absolute;
  top: 20px;
  right: 22px;
  line-height: 1;
}
.layer-premium__title {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.layer-premium__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ----- Identity Premium (Creator + Tech) ----- */
.identity-premium {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  margin: 48px 0 32px;
}

/* ============================================================
   Creator Card – Glassmorphism 2.0 & Smooth Motion
   ============================================================ */
.creator-premium-card {
  position: relative;
  background: var(--bg-card, #FFFFFF);
  border: 1px solid var(--border-md);
  border-radius: 32px;
  padding: 36px 32px;
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.03), 
    0 20px 40px -10px rgba(0, 102, 255, 0.06);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease, border-color 0.3s ease;
  z-index: 1;
}

.creator-premium-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 150px;
  background: radial-gradient(circle at top right, var(--accent-glow, rgba(0, 102, 255, 0.08)) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.creator-premium-card:hover {
  transform: translateY(-6px);
  box-shadow: 
    0 12px 20px -5px rgba(0, 0, 0, 0.04), 
    0 30px 60px -15px rgba(0, 102, 255, 0.12);
  border-color: rgba(0, 102, 255, 0.3);
}

/* Header & Avatar */
.creator-premium__header {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 32px;
}

.creator-premium__avatar-wrapper {
  position: relative;
}

.creator-premium__avatar {
  width: 78px;
  height: 78px;
  border-radius: 24px;
  background: linear-gradient(135deg, #0052CC 0%, #3B82F6 100%);
  color: #ffffff;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 
    0 10px 24px -8px rgba(0, 102, 255, 0.4),
    inset 0 2px 4px rgba(255, 255, 255, 0.3);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.creator-premium-card:hover .creator-premium__avatar {
  transform: scale(1.06) rotate(-3deg);
}

/* Info Section */
.creator-header-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.creator-premium__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 102, 255, 0.08);
  border: 1px solid rgba(0, 102, 255, 0.15);
  border-radius: 99px;
  padding: 4px 12px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.creator-premium__name {
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 4px;
}

.creator-premium__role {
  font-size: 13px;
  color: var(--text-secondary);
  font-family: var(--mono);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* Quote Box Styling */
.creator-quote-box {
  position: relative;
  background: linear-gradient(145deg, rgba(0, 102, 255, 0.04) 0%, transparent 100%);
  border-radius: 20px;
  padding: 24px 24px 24px 52px;
  margin-bottom: 22px;
  border: 1px solid rgba(0, 102, 255, 0.08);
}

.quote-icon {
  color: var(--accent);
  opacity: 0.2;
  position: absolute;
  top: 22px;
  left: 20px;
  width: 20px;
  height: 20px;
}

.creator-premium__quote {
  font-size: 16px;
  color: var(--text-primary);
  line-height: 1.6;
  font-weight: 600;
  position: relative;
  z-index: 2;
  letter-spacing: -0.2px;
}

/* Description Text */
.creator-premium__desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  padding: 0 4px;
  font-weight: 400;
}

/* Responsive adjustments */
@media (max-width: 480px) {
  .creator-premium-card { padding: 28px 20px; }
  .creator-premium__header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .creator-quote-box { padding: 20px 20px 20px 44px; }
  .quote-icon { left: 16px; top: 20px; }
}

/* ============================================================
   Tech Card – Sleek Rows & Smooth Reveal
   ============================================================ */
.tech-premium-card {
  position: relative;
  background: var(--bg-card, #FFFFFF);
  border: 1px solid var(--border-md);
  border-radius: 32px;
  padding: 36px 32px;
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.03), 
    0 20px 40px -10px rgba(0, 102, 255, 0.04);
  overflow: hidden;
  z-index: 1;
}

.tech-premium-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 150px;
  background: radial-gradient(circle at bottom left, var(--accent-glow, rgba(0, 102, 255, 0.06)) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.tech-premium__title {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  margin-bottom: 28px;
}

.tech-premium__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 28px;
}

/* Individual Tech Row */
.tech-badge-premium {
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.8) 0%, rgba(248, 250, 252, 0.6) 100%);
  border: 1px solid var(--border-md);
  border-radius: 18px;
  padding: 16px 20px;
  transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
  cursor: default;
}

/* Accent Edge on Hover */
.tech-badge-premium::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.3s ease, width 0.3s ease;
}

.tech-badge-premium:hover {
  background: #FFFFFF;
  border-color: rgba(0, 102, 255, 0.3);
  transform: translateX(6px); /* Smooth slide right */
  box-shadow: 0 12px 24px -10px rgba(0, 102, 255, 0.15);
}

.tech-badge-premium:hover::before {
  opacity: 1;
}

/* Icon Box */
.tech-badge__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: rgba(0, 102, 255, 0.08);
  color: var(--accent);
  border-radius: 12px;
  flex-shrink: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.tech-badge-premium:hover .tech-badge__icon {
  transform: rotate(5deg) scale(1.05);
  background: var(--accent);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

/* Text Content */
.tech-badge__content {
  display: flex;
  flex-direction: column;
}

.tech-badge-premium__label {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
  letter-spacing: -0.2px;
}

.tech-badge-premium__desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.4;
  font-weight: 400;
}

/* Bottom Note */
.tech-premium__note {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.6;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

/* Responsive adjustments */
@media (max-width: 480px) {
  .tech-premium-card { padding: 28px 20px; }
  .tech-badge-premium { padding: 14px 16px; gap: 14px; }
  .tech-badge__icon { width: 38px; height: 38px; }
  .tech-badge-premium__label { font-size: 14px; }
  .tech-badge-premium__desc { font-size: 12.5px; }
}


/* Back to Top button (smooth Apple style) */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-md);
  border-radius: 60px;
  padding: 10px 20px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  transition: all 0.25s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  opacity: 0;
  visibility: hidden;
  backdrop-filter: blur(8px);
  z-index: 99;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  background: var(--bg-raised);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

/* ----- Staggered Reveal Animations ----- */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ----- Responsive ----- */
@media (max-width: 1024px) {
  .layers-premium-grid { grid-template-columns: repeat(2, 1fr); }
  .identity-premium { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hero-premium__title { font-size: 42px; }
  .layers-premium-grid { grid-template-columns: 1fr; }
  .back-to-top { bottom: 20px; right: 20px; padding: 10px 22px; }
}

@media (max-width: 480px) {
  .hero-premium__title { font-size: 34px; }
  .creator-premium__header { flex-wrap: wrap; }
}