/* Fam AI-X — DevSquad-grade visual system */

:root {
    --navy: #0A1628;
    --ink: #111827;
    --blue: #0066FF;
    --blue-dark: #0052CC;
    --blue-soft: #E8F1FF;
    --mist: #F5F7FA;
    --cloud: #EEF2F7;
    --line: #E5EAF1;
    --mute: #667085;
    --white: #FFFFFF;
    --radius: 1.25rem;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04);
    --shadow-md: 0 12px 32px rgba(16, 24, 40, 0.08);
    --shadow-lg: 0 24px 64px rgba(16, 24, 40, 0.12);
    --shadow-blue: 0 14px 40px rgba(0, 102, 255, 0.28);
}

html { scroll-padding-top: 5.5rem; }

body {
    background: var(--white);
    color: var(--ink);
}

/* ---- Brand lockup: FamAI + X ---- */
@keyframes logo-core-breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.16); }
}

.logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    line-height: 1;
}
.logo-lockup {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.logo:hover .logo-lockup {
    transform: translateY(-1px);
}
.logo-type {
    display: inline-flex;
    align-items: baseline;
    font-family: 'Sora', 'Plus Jakarta Sans', system-ui, sans-serif;
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.055em;
    line-height: 1;
}
@media (min-width: 1024px) {
    .logo-type { font-size: 2.15rem; }
}
.logo-fam {
    color: var(--navy);
    font-weight: 800;
}
.logo-ai {
    color: var(--blue);
    font-weight: 800;
    margin-left: -0.015em;
    transition: color 0.2s ease;
}
.logo-mark {
    width: 1.85rem;
    height: 1.85rem;
    display: block;
    flex-shrink: 0;
    overflow: visible;
    margin-left: 0.05rem;
}
@media (min-width: 1024px) {
    .logo-mark { width: 2.15rem; height: 2.15rem; }
}
.logo-arm--navy { stroke: var(--navy); }
.logo-arm--blue { stroke: var(--blue); }
.logo-core-halo {
    fill: #fff;
    stroke: var(--navy);
    stroke-width: 1.6;
}
.logo-core {
    fill: var(--blue);
    transform-origin: center;
    transform-box: fill-box;
    animation: logo-core-breathe 2.4s ease-in-out infinite;
}
.logo-glyph {
    transform-origin: 20px 20px;
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.logo:hover .logo-glyph { transform: rotate(90deg); }
.logo:hover .logo-ai { color: #1A7AFF; }
.logo:hover .logo-arm--blue { stroke: #1A7AFF; }
.logo:hover .logo-core { fill: #1A7AFF; }

/* Inverse — footer / dark */
.logo--inverse .logo-fam { color: #fff; }
.logo--inverse .logo-ai { color: #7DB4FF; }
.logo--inverse .logo-arm--navy { stroke: #fff; }
.logo--inverse .logo-arm--blue { stroke: #7DB4FF; }
.logo--inverse .logo-core-halo { fill: var(--navy); stroke: #fff; }
.logo--inverse .logo-core { fill: #7DB4FF; }
.logo--inverse:hover .logo-ai { color: #A5CFFF; }
.logo--inverse:hover .logo-arm--blue { stroke: #A5CFFF; }
.logo--inverse:hover .logo-core { fill: #A5CFFF; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (prefers-reduced-motion: reduce) {
    .logo-core { animation: none; }
    .logo:hover .logo-glyph { transform: none; }
    .logo:hover .logo-lockup { transform: none; }
}

/* ---- Typography helpers ---- */
.display-xl {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    font-weight: 700;
    color: var(--navy);
}
.display-lg {
    font-size: clamp(2rem, 3.5vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.025em;
    font-weight: 700;
    color: var(--navy);
}
.display-md {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
    font-weight: 700;
    color: var(--navy);
}
.lede {
    font-size: 1.125rem;
    line-height: 1.65;
    color: var(--mute);
}
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--blue);
}

/* ---- Buttons ---- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 0.625rem;
    background: var(--blue);
    padding: 0.9rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #fff;
    box-shadow: var(--shadow-blue);
    transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
}
.btn-primary:hover {
    background: var(--blue-dark);
    transform: translateY(-1px);
    box-shadow: 0 18px 44px rgba(0, 102, 255, 0.35);
}
.btn-primary:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 0.625rem;
    border: 1.5px solid var(--line);
    background: var(--white);
    padding: 0.9rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--navy);
    box-shadow: var(--shadow-sm);
    transition: border-color 0.15s, background 0.15s, transform 0.15s;
}
.btn-secondary:hover {
    border-color: #c8d4e6;
    background: var(--mist);
    transform: translateY(-1px);
}
.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--blue);
}
.btn-ghost:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---- Surfaces ---- */
.card-soft {
    border: 1px solid var(--line);
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.card-soft:hover {
    border-color: #d0dae8;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.card-lift {
    border: 1px solid var(--line);
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}
.surface-mist { background: var(--mist); }
.surface-cloud { background: var(--cloud); }
.surface-navy {
    background: linear-gradient(145deg, #0A1628 0%, #132848 55%, #0B1F3A 100%);
    color: #fff;
}

/* ---- Hero ---- */
.hero-stage {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 70% 50% at 100% 0%, rgba(0,102,255,0.14), transparent 55%),
        radial-gradient(ellipse 50% 40% at 0% 100%, rgba(0,102,255,0.06), transparent 50%),
        linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 55%, #FFFFFF 100%);
}
.hero-stage::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(10, 22, 40, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(10, 22, 40, 0.035) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
    pointer-events: none;
}

/* Floating product mock ---- */
.mock-frame {
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,0.5);
    background: linear-gradient(160deg, #FFFFFF 0%, #F3F6FB 100%);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.mock-chrome {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--line);
    background: #fff;
}
.mock-dot { width: 0.55rem; height: 0.55rem; border-radius: 999px; }
.mock-float {
    position: absolute;
    border-radius: 1rem;
    border: 1px solid var(--line);
    background: #fff;
    box-shadow: var(--shadow-md);
    padding: 0.85rem 1rem;
    animation: floatY 5.5s ease-in-out infinite;
}
@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ---- Logo marquee ---- */
.marquee {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
    display: flex;
    gap: 3rem;
    width: max-content;
    animation: marquee 32s linear infinite;
    align-items: center;
}
.marquee-track span {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #98A2B3;
    white-space: nowrap;
}
@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ---- Role / avatar cards ---- */
.role-card {
    position: relative;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: #fff;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.role-card::after {
    content: '';
    position: absolute;
    inset: auto -20% -40% auto;
    width: 140px;
    height: 140px;
    border-radius: 999px;
    background: var(--blue-soft);
    opacity: 0.7;
}
.role-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 0.9rem;
    display: grid;
    place-items: center;
    font-weight: 700;
    color: #fff;
    position: relative;
    z-index: 1;
}

/* ---- Inputs ---- */
.input-field {
    width: 100%;
    border-radius: 0.75rem;
    border: 1px solid var(--line);
    background: #fff;
    padding: 0.85rem 1rem;
    color: var(--navy);
    font-size: 0.9375rem;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.input-field::placeholder { color: #98A2B3; }
.input-field:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.12);
}
.input-field.is-invalid { border-color: #F97066; }

/* ---- FAQ ---- */
.faq-item summary {
    cursor: pointer;
    list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }

.compare-bad { background: #FFF5F5; border-color: #FECDCA; }
.compare-good { background: #ECFDF3; border-color: #A6F4C5; }

/* ---- Reveal ---- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* ---- Testimonial ---- */
.quote-mark {
    font-size: 3.5rem;
    line-height: 1;
    color: var(--blue);
    opacity: 0.35;
    font-family: Georgia, serif;
}

/* ---- World-class motion system ---- */
@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-14px); }
}
@keyframes floatX {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(10px); }
}
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 102, 255, 0.35); }
    50% { box-shadow: 0 0 0 14px rgba(0, 102, 255, 0); }
}
@keyframes spinSlow {
    to { transform: rotate(360deg); }
}
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes blob {
    0%, 100% { border-radius: 42% 58% 70% 30% / 45% 45% 55% 55%; transform: translate(0, 0) scale(1); }
    33% { border-radius: 70% 30% 50% 50% / 30% 60% 40% 70%; transform: translate(12px, -10px) scale(1.05); }
    66% { border-radius: 40% 60% 30% 70% / 60% 30% 70% 40%; transform: translate(-10px, 8px) scale(0.96); }
}

.animate-float { animation: floatY 5s ease-in-out infinite; }
.animate-float-delayed { animation: floatY 6.5s ease-in-out infinite 0.8s; }
.animate-float-x { animation: floatX 7s ease-in-out infinite; }
.animate-spin-slow { animation: spinSlow 28s linear infinite; }
.animate-blob { animation: blob 12s ease-in-out infinite; }
.animate-enter { animation: fadeSlideUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) both; }

.btn-primary {
    position: relative;
    overflow: hidden;
}
.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.28) 50%, transparent 60%);
    background-size: 200% 100%;
    opacity: 0;
    transition: opacity 0.2s;
}
.btn-primary:hover::after {
    opacity: 1;
    animation: shimmer 1.1s linear;
}
.btn-pulse {
    animation: pulseGlow 2.4s ease-out infinite;
}

.interactive-card {
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease, border-color 0.25s ease;
    will-change: transform;
}
.interactive-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 28px 60px rgba(16, 24, 40, 0.14);
    border-color: rgba(0, 102, 255, 0.28);
}

.tilt-card {
    transform-style: preserve-3d;
    transition: transform 0.15s ease-out, box-shadow 0.3s ease;
}

.hero-orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(50px);
    opacity: 0.55;
    pointer-events: none;
    animation: blob 14s ease-in-out infinite;
}
.hero-orb-blue {
    background: rgba(0, 102, 255, 0.35);
    width: 280px;
    height: 280px;
}
.hero-orb-gold {
    background: rgba(245, 197, 24, 0.35);
    width: 220px;
    height: 220px;
    animation-delay: -4s;
}

.hero-stage-live {
    position: relative;
}
.hero-stage-live::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 85% 20%, rgba(0,102,255,0.12), transparent 60%),
        radial-gradient(ellipse 40% 40% at 10% 80%, rgba(245,197,24,0.1), transparent 55%);
    pointer-events: none;
}

.check-row {
    opacity: 0;
    transform: translateX(-12px);
    animation: fadeSlideUp 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.check-row:nth-child(1) { animation-delay: 0.15s; }
.check-row:nth-child(2) { animation-delay: 0.28s; }
.check-row:nth-child(3) { animation-delay: 0.41s; }

.stat-pill {
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.85);
    border: 1px solid rgba(229,234,241,0.9);
    box-shadow: var(--shadow-md);
}

.marquee-live {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.marquee-live .marquee-track {
    animation-duration: 24s;
}
.marquee-live:hover .marquee-track {
    animation-play-state: paused;
}

.spotlight-card {
    position: relative;
    overflow: hidden;
}
.spotlight-card::before {
    content: '';
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(0,102,255,0.18), transparent 70%);
    opacity: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.25s;
    pointer-events: none;
    left: var(--mx, 50%);
    top: var(--my, 50%);
}
.spotlight-card:hover::before { opacity: 1; }

.nav-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    z-index: 60;
    background: linear-gradient(90deg, #0066FF, #F5C518);
    box-shadow: 0 0 12px rgba(0,102,255,0.45);
}

.progress-fill {
    width: 0%;
    transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Heizen-inspired compare + capability UI */
.compare-panel {
    border-radius: 1.25rem;
    border: 1px solid var(--line);
    background: #fff;
    padding: 1.5rem;
    height: 100%;
}
.compare-panel.is-bad {
    background: #FFF8F8;
    border-color: #FECDCA;
}
.compare-panel.is-good {
    background: #F0F7FF;
    border-color: #BFDBFE;
}
.node-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    padding: 0.35rem 0.7rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--navy);
}
.node-chip .dot {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 999px;
}
.node-chip .dot.on { background: #22C55E; }
.node-chip .dot.off { background: #F97066; }

.cap-tab {
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    padding: 0.55rem 1rem;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--mute);
    transition: all 0.2s;
    white-space: nowrap;
}
.cap-tab:hover { color: var(--navy); border-color: #c8d4e6; }
.cap-tab.is-active {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
    box-shadow: var(--shadow-blue);
}

.timeline-rail {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.timeline-rail span {
    border-radius: 0.5rem;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    padding: 0.4rem 0.65rem;
    font-size: 0.7rem;
    font-weight: 600;
    color: #CBD5E1;
}
.timeline-rail.is-fast span {
    background: rgba(0,102,255,0.18);
    border-color: rgba(0,102,255,0.35);
    color: #BFDBFE;
}

/* ========== DevSquad-like accents (restrained) ========== */
.wave-divider {
    display: block;
    width: 100%;
    height: clamp(48px, 8vw, 110px);
    line-height: 0;
    margin-top: -1px;
}
.wave-divider svg {
    width: 100%;
    height: 100%;
    display: block;
}

.bounce-chip {
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s;
    cursor: default;
}
.bounce-chip:hover {
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 8px 20px rgba(16, 24, 40, 0.1);
}

.magnetic {
    display: inline-flex;
    transition: transform 0.15s ease-out;
}

.sparkle {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: #F5C518;
    pointer-events: none;
    animation: sparklePop 0.7s ease-out forwards;
}
@keyframes sparklePop {
    0% { opacity: 1; transform: scale(1) translate(0, 0); }
    100% { opacity: 0; transform: scale(0) translate(var(--sx, 20px), var(--sy, -30px)); }
}

.step-orb {
    width: 3rem;
    height: 3rem;
    border-radius: 999px;
    display: grid;
    place-items: center;
    font-weight: 800;
    color: #fff;
    background: #0066FF;
    box-shadow: 0 10px 28px rgba(0, 102, 255, 0.35);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.step-orb:hover { transform: scale(1.08); }

.cap-tab.is-active {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
    box-shadow: var(--shadow-blue);
}

@media (prefers-reduced-motion: reduce) {
    .marquee-track, .mock-float, .reveal, .animate-float, .animate-float-delayed,
    .animate-float-x, .animate-spin-slow, .animate-blob, .animate-enter,
    .check-row, .btn-pulse, .hero-orb {
        animation: none !important;
        transition: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
}