@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
    --corp-primary: #1e40af;
    --corp-primary-light: #3b82f6;
    --corp-primary-dark: #1e3a8a;
    --corp-accent: #0ea5e9;
    --corp-bg: #f1f5f9;
    --corp-white: #ffffff;
    --corp-text: #0f172a;
    --corp-muted: #64748b;
    --corp-border: #e2e8f0;
}

.landing-page {
    font-family: 'Inter', system-ui, sans-serif;
    color: var(--corp-text);
    background: var(--corp-white);
    overflow-x: hidden;
}

/* Nav */
.landing-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 48px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--corp-border);
    box-shadow: 0 2px 16px rgba(30, 64, 175, 0.06);
}

.landing-brand {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--corp-primary-dark);
    letter-spacing: -0.02em;
}

.landing-nav-links { display: flex; align-items: center; gap: 10px; }
.landing-nav-links a {
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s;
}
.landing-nav-links .nav-link { color: var(--corp-muted); }
.landing-nav-links .nav-link:hover { color: var(--corp-primary); background: #eff6ff; }
.landing-nav-links .nav-outline {
    border: 1px solid var(--corp-border);
    color: var(--corp-text);
}
.landing-nav-links .nav-outline:hover { border-color: var(--corp-primary-light); color: var(--corp-primary); }
.landing-nav-links .nav-btn {
    background: linear-gradient(135deg, var(--corp-primary), var(--corp-primary-light));
    color: #fff;
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.28);
}
.landing-nav-links .nav-btn:hover { color: #fff; transform: translateY(-1px); }

/* Hero */
.landing-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 48px 80px;
    background:
        radial-gradient(ellipse 70% 55% at 75% 25%, rgba(59, 130, 246, 0.12) 0%, transparent 55%),
        radial-gradient(ellipse 50% 45% at 15% 70%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
        linear-gradient(165deg, #ffffff 0%, #f8fafc 40%, #eff6ff 100%);
    overflow: hidden;
}

.hero-orbs { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(65px);
    opacity: 0.35;
    animation: orbFloat 9s ease-in-out infinite;
}
.hero-orb.o1 { width: 340px; height: 340px; background: #3b82f6; top: 5%; right: 8%; }
.hero-orb.o2 { width: 260px; height: 260px; background: #0ea5e9; bottom: 10%; left: 5%; animation-delay: -2s; }
.hero-orb.o3 { width: 200px; height: 200px; background: #1e40af; top: 45%; left: 40%; animation-delay: -4s; opacity: 0.25; }

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(12px, -18px) scale(1.06); }
}

#hero-canvas, #mid-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-content { position: relative; z-index: 3; max-width: 620px; }

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(30, 64, 175, 0.08);
    color: var(--corp-primary);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    margin-bottom: 22px;
    border: 1px solid rgba(30, 64, 175, 0.15);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -0.04em;
    color: var(--corp-text);
    margin-bottom: 20px;
}

.hero-content h1 span {
    background: linear-gradient(135deg, var(--corp-primary-dark), var(--corp-primary-light), var(--corp-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--corp-muted);
    line-height: 1.75;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-actions a {
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}
.hero-actions a:hover { transform: translateY(-2px); }
.hero-actions .btn-primary {
    background: linear-gradient(135deg, var(--corp-primary), var(--corp-primary-light));
    color: #fff;
    box-shadow: 0 10px 28px rgba(30, 64, 175, 0.3);
}
.hero-actions .btn-primary:hover { color: #fff; }
.hero-actions .btn-outline {
    background: #fff;
    color: var(--corp-primary);
    border: 2px solid var(--corp-primary-light);
}
.hero-actions .btn-outline:hover { background: #eff6ff; }

.hero-stats {
    display: flex;
    gap: 36px;
    margin-top: 44px;
    flex-wrap: wrap;
}
.hero-stat strong {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--corp-primary);
}
.hero-stat span { font-size: 0.82rem; color: var(--corp-muted); font-weight: 500; }

/* 3D showcase section */
.landing-3d-section {
    padding: 110px 48px;
    background: linear-gradient(180deg, #f8fafc 0%, #eff6ff 50%, #f1f5f9 100%);
    perspective: 1400px;
    position: relative;
}

.landing-3d-showcase {
    padding: 80px 48px;
    background: #fff;
    position: relative;
    overflow: hidden;
    min-height: 420px;
    display: flex;
    align-items: center;
}

.landing-3d-showcase .showcase-canvas-wrap {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 55%;
    z-index: 0;
}

#showcase-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.showcase-content {
    position: relative;
    z-index: 2;
    max-width: 480px;
    padding-left: 48px;
}

.showcase-content h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--corp-primary-dark);
    margin-bottom: 14px;
    letter-spacing: -0.03em;
}

.showcase-content p {
    color: var(--corp-muted);
    line-height: 1.7;
    margin-bottom: 24px;
}

.showcase-list {
    list-style: none;
    padding: 0;
}
.showcase-list li {
    padding: 10px 0 10px 28px;
    position: relative;
    color: var(--corp-text);
    font-weight: 500;
    font-size: 0.95rem;
}
.showcase-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--corp-primary), var(--corp-accent));
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
    position: relative;
    z-index: 2;
}

.section-header h2 {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--corp-primary-dark);
    margin-bottom: 12px;
    letter-spacing: -0.03em;
}

.section-header p { color: var(--corp-muted); font-size: 1.05rem; }

.section-tag {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 14px;
    background: #eff6ff;
    color: var(--corp-primary);
    border: 1px solid #bfdbfe;
}

.cards-3d-stage {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
    position: relative;
    z-index: 2;
}

.cards-3d-glow {
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
    filter: blur(30px);
    animation: glowPulse 5s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.12); opacity: 1; }
}

.cards-3d-orbit {
    position: relative;
    width: 340px;
    height: 340px;
    transform-style: preserve-3d;
    animation: orbitSpin 22s linear infinite;
}

@keyframes orbitSpin {
    from { transform: rotateY(0deg) rotateX(10deg); }
    to { transform: rotateY(360deg) rotateX(10deg); }
}

.card-3d {
    position: absolute;
    width: 168px;
    height: 205px;
    left: 50%; top: 50%;
    margin-left: -84px; margin-top: -102px;
    background: #fff;
    border-radius: 18px;
    border: 1px solid var(--corp-border);
    box-shadow: 0 20px 50px rgba(30, 64, 175, 0.12);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 22px;
    transform-style: preserve-3d;
    backface-visibility: hidden;
}

.card-3d:nth-child(1) { transform: rotateY(0deg) translateZ(195px); }
.card-3d:nth-child(2) { transform: rotateY(72deg) translateZ(195px); }
.card-3d:nth-child(3) { transform: rotateY(144deg) translateZ(195px); }
.card-3d:nth-child(4) { transform: rotateY(216deg) translateZ(195px); }
.card-3d:nth-child(5) { transform: rotateY(288deg) translateZ(195px); }

.card-3d-icon {
    width: 58px; height: 58px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; font-weight: 800;
    margin-bottom: 14px; color: #fff;
    box-shadow: 0 8px 20px rgba(30, 64, 175, 0.2);
}

.card-3d-icon.blue   { background: linear-gradient(135deg, #1e40af, #3b82f6); }
.card-3d-icon.sky    { background: linear-gradient(135deg, #0284c7, #0ea5e9); }
.card-3d-icon.navy   { background: linear-gradient(135deg, #1e3a8a, #2563eb); }
.card-3d-icon.teal   { background: linear-gradient(135deg, #0369a1, #38bdf8); }
.card-3d-icon.indigo { background: linear-gradient(135deg, #1d4ed8, #6366f1); }

.card-3d h3 { font-size: 0.92rem; font-weight: 700; color: var(--corp-text); text-align: center; }

.card-3d-inner { animation: counterSpin 22s linear infinite; }
.card-3d:nth-child(1) .card-3d-inner { animation-name: cs0; }
.card-3d:nth-child(2) .card-3d-inner { animation-name: cs72; }
.card-3d:nth-child(3) .card-3d-inner { animation-name: cs144; }
.card-3d:nth-child(4) .card-3d-inner { animation-name: cs216; }
.card-3d:nth-child(5) .card-3d-inner { animation-name: cs288; }

@keyframes cs0   { from { transform: rotateY(0deg);   } to { transform: rotateY(-360deg); } }
@keyframes cs72  { from { transform: rotateY(-72deg);  } to { transform: rotateY(-432deg); } }
@keyframes cs144 { from { transform: rotateY(-144deg); } to { transform: rotateY(-504deg); } }
@keyframes cs216 { from { transform: rotateY(-216deg); } to { transform: rotateY(-576deg); } }
@keyframes cs288 { from { transform: rotateY(-288deg); } to { transform: rotateY(-648deg); } }

/* Floating 3D cubes strip */
.cubes-3d-strip {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 48px;
    perspective: 800px;
}

.float-cube {
    width: 80px;
    height: 80px;
    position: relative;
    transform-style: preserve-3d;
    animation: cubeSpin 8s linear infinite;
}
.float-cube:nth-child(2) { animation-delay: -2s; }
.float-cube:nth-child(3) { animation-delay: -4s; }
.float-cube:nth-child(4) { animation-delay: -1s; }
.float-cube:nth-child(5) { animation-delay: -3s; }

.float-cube .face {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 10px;
    border: 2px solid rgba(255,255,255,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    color: #fff;
    backface-visibility: hidden;
}

.float-cube .f-front  { transform: translateZ(40px); background: linear-gradient(135deg, #1e40af, #3b82f6); }
.float-cube .f-back   { transform: rotateY(180deg) translateZ(40px); background: linear-gradient(135deg, #1e3a8a, #2563eb); }
.float-cube .f-right  { transform: rotateY(90deg) translateZ(40px); background: linear-gradient(135deg, #0284c7, #0ea5e9); }
.float-cube .f-left   { transform: rotateY(-90deg) translateZ(40px); background: linear-gradient(135deg, #0369a1, #38bdf8); }
.float-cube .f-top    { transform: rotateX(90deg) translateZ(40px); background: linear-gradient(135deg, #2563eb, #60a5fa); }
.float-cube .f-bottom { transform: rotateX(-90deg) translateZ(40px); background: linear-gradient(135deg, #1d4ed8, #3b82f6); }

@keyframes cubeSpin {
    from { transform: rotateX(-15deg) rotateY(0deg); }
    to { transform: rotateX(-15deg) rotateY(360deg); }
}

/* Features */
.landing-features {
    padding: 110px 48px;
    background: var(--corp-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-item {
    padding: 32px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid var(--corp-border);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--corp-primary), var(--corp-accent));
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(30, 64, 175, 0.1);
}
.feature-item:hover::before { opacity: 1; }

.feature-num {
    font-size: 2.2rem;
    font-weight: 900;
    color: #dbeafe;
    margin-bottom: 10px;
}

.feature-item h3 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--corp-text);
    margin-bottom: 8px;
}

.feature-item p { color: var(--corp-muted); font-size: 0.92rem; line-height: 1.65; }

/* CTA */
.landing-cta {
    padding: 90px 48px;
    background: linear-gradient(135deg, var(--corp-primary-dark) 0%, var(--corp-primary) 50%, var(--corp-primary-light) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.landing-cta::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 65%);
    top: -300px; left: 50%;
    transform: translateX(-50%);
}

.landing-cta h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
    position: relative;
}

.landing-cta p {
    color: rgba(255,255,255,0.85);
    margin-bottom: 28px;
    font-size: 1.05rem;
    position: relative;
}

.landing-cta a {
    display: inline-block;
    padding: 15px 34px;
    background: #fff;
    color: var(--corp-primary);
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.landing-cta a:hover {
    transform: translateY(-2px);
    color: var(--corp-primary-dark);
}

.landing-footer {
    padding: 32px 48px;
    background: #fff;
    color: var(--corp-muted);
    text-align: center;
    font-size: 0.85rem;
    border-top: 1px solid var(--corp-border);
}

.landing-footer a { color: var(--corp-primary); text-decoration: none; }
.landing-footer a:hover { color: var(--corp-primary-light); }

@media (max-width: 768px) {
    .landing-nav { padding: 14px 20px; }
    .landing-hero { padding: 100px 24px 60px; }
    .landing-3d-section, .landing-features, .landing-cta, .landing-3d-showcase { padding: 70px 24px; }
    .showcase-content { padding-left: 0; max-width: 100%; }
    .landing-3d-showcase .showcase-canvas-wrap { position: relative; width: 100%; height: 280px; margin-top: 32px; }
    .cards-3d-orbit { width: 280px; height: 280px; }
    .card-3d { width: 140px; height: 175px; margin-left: -70px; margin-top: -87px; }
}