/* HERO */
.hero {
    padding: clamp(6rem, 10vw, 10rem) 0;
    border-bottom: 2px solid var(--black);
}
.hero__label {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    grid-column: 1/-1;
    margin-bottom: 2rem;
}
.hero__h1 {
    font-family: var(--font-heading);
    font-size: clamp(3.5rem, 7vw, 8rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 0.95;
    grid-column: 1/9;
    margin-bottom: 3rem;
}
.hero__lead {
    font-size: 1.25rem;
    color: var(--gray-text);
    grid-column: 1/7;
    line-height: 1.65;
}
.hero__image {
    grid-column: 9/13;
    align-self: center;
}

/* PHILOSOPHY */
.philosophy {
    padding: clamp(6rem, 10vw, 10rem) 0;
    background: var(--gray-light);
}
.philosophy__quote {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    color: var(--black);
    letter-spacing: -0.04em;
    line-height: 1.1;
    grid-column: 1/9;
}
.philosophy__quote em {
    font-style: normal;
    color: var(--accent);
}
.philosophy__aside {
    grid-column: 9/13;
    align-self: end;
    font-size: 1rem;
    color: var(--gray-text);
    line-height: 1.7;
    padding-bottom: 0.25rem;
}

/* TIMELINE */
.timeline-section {
    padding: clamp(6rem, 10vw, 10rem) 0;
    background: var(--white);
}
.timeline-section__label {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    grid-column: 1/-1;
    margin-bottom: 1.5rem;
}
.timeline-section__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    grid-column: 1/-1;
    margin-bottom: 5rem;
}
.timeline {
    grid-column: 1/-1;
    position: relative;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 2.5rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-light);
}
.timeline-item {
    display: grid;
    grid-template-columns: 5rem 1fr;
    gap: 2.5rem;
    margin-bottom: 0;
    position: relative;
}
.timeline-item + .timeline-item {
    border-top: 1px solid var(--gray-light);
    padding-top: 3rem;
    margin-top: 3rem;
}
.timeline-item__marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding-top: 0.25rem;
    position: relative;
    z-index: 1;
}
.timeline-item__dot {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 800;
    flex-shrink: 0;
}
.timeline-item.active .timeline-item__dot {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
}
.timeline-item__content {
    padding-bottom: 0.5rem;
}
.timeline-item__phase {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--accent);
    margin-bottom: 0.5rem;
}
.timeline-item__title {
    font-family: var(--font-heading);
    font-size: clamp(1.375rem, 2.5vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}
.timeline-item__desc {
    font-size: 1rem;
    color: var(--gray-text);
    line-height: 1.7;
    max-width: 65ch;
    margin-bottom: 1.5rem;
}
.timeline-item__details {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.timeline-item__details li {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--black);
    background: var(--gray-light);
    padding: 0.375rem 0.875rem;
    border-radius: 2rem;
}

/* DIFFERENTIATORS */
.diff-section {
    background: var(--gray-light);
    padding: clamp(6rem, 10vw, 10rem) 0;
}
.diff-section__label {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    grid-column: 1/-1;
    margin-bottom: 1.5rem;
}
.diff-section__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    grid-column: 1/-1;
    margin-bottom: 5rem;
}
.diff-cards {
    grid-column: 1/-1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.diff-card {
    background: var(--white);
    padding: 3rem 2.5rem;
    border-top: 3px solid var(--accent);
}
.diff-card__icon {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    line-height: 1;
}
.diff-card__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}
.diff-card__text {
    font-size: 0.9375rem;
    color: var(--gray-text);
    line-height: 1.7;
}

/* IMAGE SECTION */
.image-section {
    padding: clamp(4rem, 6vw, 6rem) 0;
    background: var(--white);
}
.image-section__img {
    grid-column: 1/-1;
    width: 100%;
    max-height: 600px;
    object-fit: cover;
    border-radius: 4px;
}

/* CTA */
.cta-section {
    padding: clamp(6rem, 10vw, 10rem) 0;
    background: var(--white);
    border-top: 2px solid var(--black);
}
.cta-section__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.75rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    grid-column: 1/8;
    line-height: 1.05;
}
.cta-section__body {
    grid-column: 1/7;
    font-size: 1.0625rem;
    color: var(--gray-text);
    line-height: 1.7;
    margin-top: 2rem;
}
.cta-section__action {
    grid-column: 9/13;
    align-self: center;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-end;
}
.btn-primary {
    display: inline-block;
    padding: 1.25rem 2.5rem;
    background: var(--black);
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: 2px;
    transition: background 0.2s;
    white-space: nowrap;
}
.btn-primary:hover { background: var(--accent); }
.btn-secondary {
    display: inline-block;
    padding: 1.125rem 2rem;
    color: var(--gray-text);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: 2px;
    transition: color 0.2s;
    white-space: nowrap;
}
.btn-secondary:hover { color: var(--black); }

@media (max-width: 768px) {
    .hero__h1 { grid-column: 1/-1; font-size: clamp(2.25rem, 7vw, 3.5rem); word-break: break-word; overflow-wrap: break-word; }
    .hero__lead { grid-column: 1/-1; }
}
@media (max-width: 1024px) {
    .hero__h1 { grid-column: 1/-1; }
    .hero__lead { grid-column: 1/-1; }
    .hero__image { grid-column: 1/-1; }
    .philosophy__quote { grid-column: 1/-1; }
    .philosophy__aside { grid-column: 1/-1; }
    .timeline::before { display: none; }
    .timeline-item { grid-template-columns: 1fr; }
    .timeline-item__marker { flex-direction: row; justify-content: flex-start; }
    .diff-cards { grid-template-columns: 1fr; }
    .cta-section__title { grid-column: 1/-1; }
    .cta-section__body { grid-column: 1/-1; }
    .cta-section__action { grid-column: 1/-1; align-items: flex-start; flex-direction: row; flex-wrap: wrap; }
}
@media (max-width: 480px) {
    .cta-section__action { flex-direction: column; }
    .btn-primary, .btn-secondary { white-space: normal; text-align: center; }
}