/* rational.group - Bauhaus Collective */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bauhaus-white: #F5F5F0;
    --bauhaus-offwhite: #EBEBEA;
    --bauhaus-black: #1A1A1A;
    --bauhaus-gray: #6B6B6B;
    --kandinsky-blue: #1A5CAA;
    --kandinsky-red: #C4302B;
    --kandinsky-yellow: #F5C518;
}

body {
    background-color: var(--bauhaus-white);
    color: var(--bauhaus-black);
    font-family: 'Work Sans', sans-serif;
    font-size: 1rem;
    line-height: 1.75;
}

/* Hero */
#hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    text-align: center;
    position: relative;
}

.hero-shapes {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
}

.shape {
    opacity: 0;
    transform: scale(0);
}

.shape-circle {
    width: 80px; height: 80px;
    border-radius: 50%;
    border: 4px solid var(--kandinsky-blue);
    animation: shapeIn 0.6s cubic-bezier(0.34,1.56,0.64,1) 0.2s forwards;
}

.shape-square {
    width: 72px; height: 72px;
    border: 4px solid var(--kandinsky-red);
    animation: shapeIn 0.6s cubic-bezier(0.34,1.56,0.64,1) 0.4s forwards;
}

.shape-triangle {
    width: 0; height: 0;
    border-left: 40px solid transparent;
    border-right: 40px solid transparent;
    border-bottom: 72px solid var(--kandinsky-yellow);
    background: transparent;
    animation: shapeIn 0.6s cubic-bezier(0.34,1.56,0.64,1) 0.6s forwards;
}

@keyframes shapeIn {
    from { opacity: 0; transform: scale(0); }
    to { opacity: 1; transform: scale(1); }
}

.hero-title {
    font-family: 'Work Sans', sans-serif;
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--bauhaus-black);
}

.hero-subtitle {
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--bauhaus-gray);
    margin-top: 0.75rem;
}

/* Composition Bands */
.comp-band {
    position: relative;
    max-width: 1080px;
    margin: 0 auto;
    padding: 5rem 2rem;
    border-top: 2px solid var(--bauhaus-black);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.comp-band.visible {
    opacity: 1;
    transform: translateY(0);
}

.band-shape-bg {
    position: absolute;
    pointer-events: none;
    opacity: 0.06;
}

.circle-bg {
    width: 40vw; height: 40vw;
    border-radius: 50%;
    background: var(--kandinsky-blue);
    right: -10%; top: -5%;
}

.square-bg {
    width: 35vw; height: 35vw;
    background: var(--kandinsky-red);
    left: -8%; top: 10%;
}

.triangle-bg {
    width: 0; height: 0;
    border-left: 20vw solid transparent;
    border-right: 20vw solid transparent;
    border-bottom: 35vw solid var(--kandinsky-yellow);
    right: 5%; top: 0;
}

/* Modules */
.module-group {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.module {
    flex: 1;
    padding: 1.5rem;
}

.module-shape-icon {
    margin-bottom: 1rem;
}

.module-heading {
    font-family: 'Work Sans', sans-serif;
    font-size: 1.3rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 0.75rem;
}

.module-text {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--bauhaus-gray);
}

.structural-line {
    width: 2px;
    align-self: stretch;
    background: var(--bauhaus-black);
    opacity: 0.15;
}

/* Content Block */
.content-block {
    max-width: 700px;
    position: relative;
    z-index: 1;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--kandinsky-red);
    display: block;
    margin-bottom: 1rem;
}

.section-heading {
    font-family: 'Work Sans', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 1.5rem;
}

.section-text {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--bauhaus-gray);
}

/* Capability Cards */
.capabilities {
    display: flex;
    gap: 24px;
}

.capability-card {
    flex: 1;
    padding: 2rem;
    background: var(--bauhaus-offwhite);
    border: 2px solid var(--bauhaus-black);
}

.cap-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--kandinsky-yellow);
    display: block;
    margin-bottom: 0.75rem;
}

.cap-title {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
}

.cap-text {
    font-size: 0.9rem;
    color: var(--bauhaus-gray);
}

/* Footer */
#site-footer {
    text-align: center;
    padding: 4rem 2rem 3rem;
    border-top: 2px solid var(--bauhaus-black);
    max-width: 1080px;
    margin: 0 auto;
}

.footer-shapes { margin-bottom: 1rem; }

.footer-text {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bauhaus-gray);
}

@media (max-width: 768px) {
    .module-group, .capabilities { flex-direction: column; }
    .structural-line { width: 100%; height: 2px; }
}