/* ============================================
   About Page — Fast MVP Lab
   ============================================ */

/* Active nav link */
.nav-active {
    color: var(--color-accent) !important;
    font-weight: 600;
}

/* ─────────────────────────────────────────
   HERO
───────────────────────────────────────── */
.about-hero {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 140px 0 110px;
    position: relative;
    overflow: hidden;
}

/* Neural network canvas */
#neural-net-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.55;
}

/* Animated grid */
.about-hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    animation: grid-drift 20s linear infinite;
}

@keyframes grid-drift {
    from { background-position: 0 0; }
    to   { background-position: 48px 48px; }
}

/* Floating orbs */
.about-hero::before,
.about-hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: orb-float 8s ease-in-out infinite;
}
.about-hero::before {
    width: 420px; height: 420px;
    right: -80px; top: -100px;
    background: radial-gradient(circle, rgba(253,107,86,0.18), transparent 70%);
    animation-duration: 9s;
}
.about-hero::after {
    width: 300px; height: 300px;
    left: 10%; bottom: -80px;
    background: radial-gradient(circle, rgba(253,107,86,0.10), transparent 70%);
    animation-delay: 3s;
}

@keyframes orb-float {
    0%, 100% { transform: translateY(0) scale(1); }
    50%       { transform: translateY(-30px) scale(1.06); }
}

.about-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 760px;
}

.about-hero-inner h1 {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.12;
    margin: 1rem 0 1.5rem;
    font-family: var(--font-heading);
}

.about-hero-sub {
    font-size: 1.15rem;
    opacity: 0.82;
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.about-hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-outline-dark {
    border: 2px solid rgba(255,255,255,0.4);
    color: #fff;
    background: transparent;
    padding: 0.75rem 1.75rem;
    border-radius: 999px;
    font-weight: 600;
    font-family: var(--font-heading);
    transition: border-color var(--transition-fast), background var(--transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    font-size: 1rem;
}
.btn-outline-dark:hover {
    border-color: rgba(255,255,255,0.9);
    background: rgba(255,255,255,0.08);
}

/* ─────────────────────────────────────────
   STATS BAR
───────────────────────────────────────── */
.about-stats-bar {
    background: var(--color-accent);
    padding: 2.5rem 0;
    position: relative;
    overflow: hidden;
}

/* Shimmer sweep */
.about-stats-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.12) 50%, transparent 60%);
    animation: shimmer-pass 4s linear infinite;
}
@keyframes shimmer-pass {
    from { transform: translateX(-100%); }
    to   { transform: translateX(200%); }
}

.about-stats-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.about-stat {
    text-align: center;
    padding: 0.5rem 1rem;
    /* stagger via nth-child */
}
.about-stat:nth-child(2) { transition-delay: 0.1s; }
.about-stat:nth-child(3) { transition-delay: 0.2s; }
.about-stat:nth-child(4) { transition-delay: 0.3s; }

.about-stat + .about-stat {
    border-left: 1px solid rgba(255,255,255,0.25);
}

.about-stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    font-family: var(--font-heading);
    line-height: 1;
    margin-bottom: 0.4rem;
    text-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.about-stat-number span { font-size: 1.8rem; }

.about-stat-label {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.85);
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ─────────────────────────────────────────
   MISSION (light)
───────────────────────────────────────── */
.about-mission {
    background: #fbfbfa;
    padding: 100px 0;
}

.about-mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-mission-text .tag { margin-bottom: 1rem; display: inline-block; }

.about-mission-text h2 {
    font-size: clamp(1.9rem, 3vw, 2.8rem);
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--color-primary);
    margin: 0 0 1.5rem;
    line-height: 1.2;
}

.about-mission-text p {
    color: var(--color-text-light);
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 1.2rem;
}

.about-mission-text .btn { margin-top: 0.5rem; }

/* Manifesto card */
.about-manifesto-card {
    background: var(--color-primary);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 24px 64px rgba(27,90,69,0.22);
    position: relative;
    overflow: hidden;
}
/* Subtle animated glow inside card */
.about-manifesto-card::before {
    content: '';
    position: absolute;
    width: 200px; height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(253,107,86,0.18), transparent 70%);
    top: -60px; right: -60px;
    animation: orb-float 6s ease-in-out infinite;
    pointer-events: none;
}

.manifesto-line {
    display: flex;
    align-items: baseline;
    gap: 1.2rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    transition: background 0.2s;
}
.manifesto-line:last-child { border-bottom: none; padding-bottom: 0; }
.manifesto-line:first-child { padding-top: 0; }
.manifesto-line:hover { background: rgba(253,107,86,0.06); border-radius: 8px; padding-left: 6px; }

.manifesto-num {
    font-size: 0.68rem;
    font-family: monospace;
    color: var(--color-accent);
    font-weight: 700;
    letter-spacing: 1px;
    min-width: 22px;
}

.manifesto-text {
    font-size: 1rem;
    color: rgba(255,255,255,0.88);
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.4;
}

/* ─────────────────────────────────────────
   VALUES (dark)
───────────────────────────────────────── */
.about-values {
    background: var(--color-primary);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

/* Animated dot grid bg */
.about-values::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
    animation: grid-drift 30s linear infinite;
}

.about-values .container { position: relative; z-index: 1; }

.about-values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.about-value-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 2rem 1.75rem;
    transition: transform var(--transition-normal), border-color var(--transition-normal),
                background var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
}
.about-value-card:nth-child(2) { transition-delay: 0.1s; }
.about-value-card:nth-child(3) { transition-delay: 0.2s; }
.about-value-card:nth-child(4) { transition-delay: 0.3s; }

.about-value-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(253,107,86,0.12), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
}
.about-value-card:hover::before { opacity: 1; }
.about-value-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    background: rgba(253,107,86,0.05);
    box-shadow: 0 12px 40px rgba(253,107,86,0.15);
}

.value-icon {
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
    line-height: 1;
    display: block;
    animation: icon-bob 3s ease-in-out infinite;
}
.about-value-card:nth-child(2) .value-icon { animation-delay: 0.5s; }
.about-value-card:nth-child(3) .value-icon { animation-delay: 1s; }
.about-value-card:nth-child(4) .value-icon { animation-delay: 1.5s; }

@keyframes icon-bob {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-6px); }
}

.about-value-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    font-family: var(--font-heading);
    margin-bottom: 0.75rem;
}

.about-value-card p {
    font-size: 0.92rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.65;
}

/* ─────────────────────────────────────────
   STORY / TIMELINE (light)
───────────────────────────────────────── */
.about-story {
    background: #fbfbfa;
    padding: 100px 0;
}

.about-timeline {
    position: relative;
    max-width: 740px;
    margin: 0 auto;
}

/* Animated vertical line */
.about-timeline::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent) 0%, var(--color-primary) 100%);
    opacity: 0.25;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}
.timeline-item:last-child { margin-bottom: 0; }

/* Stagger timeline items */
.timeline-item:nth-child(2) { transition-delay: 0.1s; }
.timeline-item:nth-child(3) { transition-delay: 0.2s; }
.timeline-item:nth-child(4) { transition-delay: 0.3s; }
.timeline-item:nth-child(5) { transition-delay: 0.4s; }

.timeline-marker {
    min-width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #fbfbfa;
    border: 2.5px solid var(--color-accent);
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    transition: background 0.3s, box-shadow 0.3s;
}

.timeline-item:hover .timeline-marker {
    background: var(--color-accent);
    box-shadow: 0 0 0 6px rgba(253,107,86,0.15);
}

.timeline-item-current .timeline-marker {
    background: var(--color-accent);
    box-shadow: 0 0 0 6px rgba(253,107,86,0.15);
    animation: marker-pulse 2s ease-in-out infinite;
}

@keyframes marker-pulse {
    0%, 100% { box-shadow: 0 0 0 6px rgba(253,107,86,0.15); }
    50%       { box-shadow: 0 0 0 12px rgba(253,107,86,0.05); }
}

.timeline-content {
    padding-top: 6px;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
    flex: 1;
}
.timeline-item:last-child .timeline-content { border-bottom: none; }

.timeline-year {
    font-size: 0.75rem;
    font-family: monospace;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-heading);
    margin-bottom: 0.6rem;
}

.timeline-content p {
    font-size: 0.97rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ─────────────────────────────────────────
   TEAM (dark)
───────────────────────────────────────── */
.about-team {
    background: #0f2c20;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

/* Subtle star-like bg particles */
.about-team::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    opacity: 0.5;
}

.about-team .container { position: relative; z-index: 1; }

.about-team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.team-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.09);
    border-radius: 20px;
    padding: 2.25rem 2rem;
    transition: transform var(--transition-normal), border-color var(--transition-normal),
                background var(--transition-normal);
    position: relative;
    overflow: hidden;
}
.team-card:nth-child(2) { transition-delay: 0.15s; }
.team-card:nth-child(3) { transition-delay: 0.3s; }

.team-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), #c0392b);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
}
.team-card:hover::after { transform: scaleX(1); }
.team-card:hover {
    transform: translateY(-6px);
    border-color: rgba(253,107,86,0.4);
    background: rgba(255,255,255,0.07);
}

.team-avatar { margin-bottom: 1.5rem; }

.team-avatar-placeholder {
    width: 64px; height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), #c0392b);
    color: #fff;
    font-size: 1.25rem;
    font-weight: 800;
    font-family: var(--font-heading);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(253,107,86,0.35);
    animation: avatar-spin-border 4s linear infinite;
    outline: 2px solid transparent;
    outline-offset: 3px;
    transition: outline-color 0.3s;
}
.team-card:hover .team-avatar-placeholder {
    outline-color: rgba(253,107,86,0.5);
}

.team-info h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    font-family: var(--font-heading);
    margin-bottom: 0.25rem;
}

.team-role {
    font-size: 0.78rem;
    color: var(--color-accent);
    font-family: monospace;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.85rem;
}

.team-info p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.65;
    margin-bottom: 1.2rem;
}

.team-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.team-tags span {
    font-size: 0.72rem;
    background: rgba(27, 90, 69, 0.55);
    border: 1px solid rgba(255,255,255,0.18);
    color: #e8f5f0;
    border-radius: 999px;
    padding: 3px 10px;
    font-family: monospace;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.team-tags span:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

.team-cta-link {
    font-size: 0.9rem;
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.team-cta-link:hover { color: #fff; }

/* ─────────────────────────────────────────
   TECH STACK (light)
───────────────────────────────────────── */
.about-stack {
    background: #f3f4f1;
    padding: 100px 0;
}

.about-stack-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stack-category {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 1.75rem;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.stack-category:nth-child(2) { transition-delay: 0.1s; }
.stack-category:nth-child(3) { transition-delay: 0.2s; }
.stack-category:nth-child(4) { transition-delay: 0.3s; }
.stack-category:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(27,90,69,0.1);
}

.stack-cat-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-family: monospace;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.2rem;
    opacity: 0.65;
}

.stack-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.stack-pill {
    font-size: 0.78rem;
    background: rgba(27,90,69,0.06);
    border: 1px solid rgba(27,90,69,0.14);
    color: var(--color-primary);
    border-radius: 999px;
    padding: 4px 12px;
    font-family: var(--font-body);
    font-weight: 500;
    cursor: default;
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.stack-pill:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    transform: scale(1.05);
}

/* ─────────────────────────────────────────
   CTA (dark green — reuses section-build)
───────────────────────────────────────── */
.about-cta {
    position: relative;
    overflow: hidden;
}

.about-cta-visual {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-ring {
    position: absolute;
    border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.12);
}
.cta-ring-1 { width: 140px; height: 140px; animation: cta-pulse 3.2s ease-in-out infinite 0s; }
.cta-ring-2 { width: 240px; height: 240px; animation: cta-pulse 3.2s ease-in-out infinite 0.6s; }
.cta-ring-3 { width: 350px; height: 350px; animation: cta-pulse 3.2s ease-in-out infinite 1.2s, cta-spin 18s linear infinite; }

@keyframes cta-pulse {
    0%, 100% { opacity: 0.12; transform: scale(1); }
    50%       { opacity: 0.4;  transform: scale(1.04); }
}
@keyframes cta-spin { to { transform: rotate(360deg); } }

.cta-center-badge {
    position: relative;
    z-index: 2;
    width: 110px; height: 110px;
    border-radius: 50%;
    background: var(--color-accent);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    box-shadow: 0 0 40px rgba(253,107,86,0.55), 0 0 80px rgba(253,107,86,0.22);
    animation: badge-breathe 3s ease-in-out infinite;
}
@keyframes badge-breathe {
    0%, 100% { transform: scale(1); }
    50%       { transform: scale(1.06); }
}

.cta-badge-icon { font-size: 2rem; line-height: 1; }
.cta-badge-text {
    font-size: 0.58rem;
    font-family: monospace;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.85);
    text-transform: uppercase;
}

/* ─────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────── */
@media (max-width: 1100px) {
    .about-values-grid  { grid-template-columns: repeat(2, 1fr); }
    .about-stack-grid   { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .about-mission-grid { grid-template-columns: 1fr; gap: 3rem; }
    .about-team-grid    { grid-template-columns: 1fr 1fr; }
    .about-stats-grid   { grid-template-columns: repeat(2, 1fr); }
    .about-stat + .about-stat { border-left: none; }
    .about-stat:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.25); }
}

@media (max-width: 640px) {
    .about-hero         { padding: 110px 0 70px; }
    .about-values-grid  { grid-template-columns: 1fr; }
    .about-team-grid    { grid-template-columns: 1fr; }
    .about-stack-grid   { grid-template-columns: 1fr; }
    .about-stats-grid   { grid-template-columns: repeat(2, 1fr); }
    .about-hero-actions { flex-direction: column; align-items: flex-start; }
    .about-timeline::before { display: none; }
    .about-cta-visual   { height: 260px; }
    .cta-ring-3         { width: 240px; height: 240px; }
}