.page-hero {
    position: relative;
    overflow: hidden;
    padding-top: 110px;
    padding-bottom: 70px;
}

.page-hero__visual {
    position: relative;
}

.page-hero__visual::after {
    content: "";
    position: absolute;
    left: -18px;
    bottom: -18px;
    width: 120px;
    height: 120px;
    border-radius: 26px;
    background: linear-gradient(135deg,
            rgba(31, 41, 51, 0.16),
            rgba(180, 110, 60, 0.22));
    z-index: -1;
}

.page-hero__visual img {
    height: 560px;
    border-radius: 34px;
    box-shadow: var(--shadow-lg);
}

.page-hero .section-copy h1 {
    font-size: clamp(2.25rem, 4.6vw, 4.1rem);
    margin-bottom: 16px;
    letter-spacing: -0.03em;
    text-wrap: balance;
}

.page-hero .section-copy p {
    max-width: 62ch;
}

.platform-storyline .section-head h2,
.company-momentum__intro h2,
.about-principles .section-head h2 {
    font-size: clamp(2rem, 3.8vw, 3.2rem);
    line-height: 1.05;
    letter-spacing: -0.035em;
}

.about-principles.section-bg-image::before {
    background:
        linear-gradient(180deg, rgba(6, 12, 24, 0.66), rgba(6, 12, 24, 0.54)),
        linear-gradient(135deg, rgba(10, 16, 32, 0.26), rgba(180, 110, 60, 0.14));
}

.about-principles .section-head {
    max-width: 760px;
}

.about-principles .section-head h2,
.about-principles .section-head p {
    color: #f8fafc;
}

.about-principles .section-head p {
    max-width: 62ch;
    color: rgba(226, 232, 240, 0.82);
}

.storyline {
    position: relative;
    max-width: 920px;
    margin: 0 auto;
    padding-left: 34px;
}

.storyline::before {
    content: "";
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom,
            rgba(91, 107, 122, 0.20),
            rgba(180, 110, 60, 0.88),
            rgba(91, 107, 122, 0.20));
}

.storyline-step {
    position: relative;
    margin-bottom: 28px;
}

.storyline-step:last-child {
    margin-bottom: 0;
}

.storyline-step__dot {
    position: absolute;
    left: -34px;
    top: 16px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--gradient-main);
    box-shadow: 0 0 0 8px rgba(180, 110, 60, 0.10);
}

.storyline-step__content {
    padding: 26px;
    box-shadow: var(--shadow-md);
}

.storyline-step__content span {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--color-primary-2);
    font-weight: 800;
    letter-spacing: 0.08em;
    font-size: 0.9rem;
}

.storyline-step__content h3 {
    margin-bottom: 12px;
    font-size: 1.45rem;
}

.note-card,
.principle-card {
    min-height: 250px;
    box-shadow: var(--shadow-md);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.about-principles .principle-card {
    min-height: 236px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(226, 232, 240, 0.24);
    box-shadow: 0 18px 48px rgba(2, 6, 23, 0.22);
}

.about-principles .principle-card i {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.05);
    color: var(--color-title);
    margin-bottom: 18px;
}

.note-card:hover,
.principle-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.note-card h3,
.principle-card h3 {
    margin-bottom: 10px;
    font-size: 1.35rem;
}

.about-principles .principle-card h3 {
    font-size: 1.28rem;
    line-height: 1.16;
}

.note-card p,
.principle-card p {
    max-width: 34ch;
}

.about-principles .principle-card p {
    max-width: 30ch;
    color: #64748b;
}

.company-momentum {
    position: relative;
    overflow: hidden;
}

.company-momentum::before {
    content: "";
    position: absolute;
    width: 260px;
    height: 260px;
    right: -70px;
    top: 18px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(100, 60, 40, 0.12), transparent 70%);
    filter: blur(4px);
}

.company-momentum__layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 34px;
    align-items: start;
}

.company-momentum__intro p {
    max-width: 42ch;
}

.company-momentum__lane {
    position: relative;
    padding-left: 42px;
    display: grid;
    gap: 20px;
}

.company-momentum__lane::before {
    content: "";
    position: absolute;
    left: 14px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: linear-gradient(to bottom, rgba(100, 60, 40, 0.18), rgba(100, 60, 40, 0.95), rgba(100, 60, 40, 0.18));
    animation: lanePulse 5.4s ease-in-out infinite;
}

.momentum-item {
    position: relative;
    padding: 4px 0 18px;
    border-bottom: 1px dashed rgba(95, 70, 56, 0.3);
    transition: transform 0.35s ease, border-color 0.35s ease;
}

.momentum-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.momentum-item::before {
    content: "";
    position: absolute;
    left: -42px;
    top: 10px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--gradient-main);
    box-shadow: 0 0 0 8px rgba(100, 60, 40, 0.1);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.momentum-item__index {
    display: inline-flex;
    margin-bottom: 8px;
    font-weight: 800;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    color: var(--color-primary-2);
}

.momentum-item h3 {
    margin-bottom: 8px;
    font-size: clamp(1.18rem, 2vw, 1.44rem);
}

.momentum-item p {
    max-width: 42ch;
    color: var(--color-text-soft);
}

.momentum-item:hover {
    transform: translateX(8px);
    border-color: rgba(95, 70, 56, 0.55);
}

.momentum-item:hover::before {
    transform: scale(1.2);
    box-shadow: 0 0 0 11px rgba(100, 60, 40, 0.14);
}

@keyframes lanePulse {

    0%,
    100% {
        opacity: 0.9;
    }

    50% {
        opacity: 0.5;
    }
}

@media (max-width: 991px) {
    .page-hero__visual img {
        height: 460px;
    }

    .storyline {
        max-width: 100%;
    }

    .note-card,
    .principle-card {
        min-height: 220px;
    }

    .about-principles .section-head p,
    .about-principles .principle-card p {
        max-width: 100%;
    }

    .company-momentum__layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .company-momentum__intro p,
    .momentum-item p {
        max-width: 100%;
    }
}

@media (max-width: 767px) {
    .page-hero {
        padding-top: 90px;
        padding-bottom: 56px;
    }

    .page-hero .section-copy h1 {
        font-size: clamp(2rem, 10vw, 3rem);
    }

    .page-hero__visual img {
        height: 320px;
    }

    .storyline {
        padding-left: 24px;
    }

    .storyline::before {
        left: 8px;
    }

    .storyline-step__dot {
        left: -24px;
        width: 16px;
        height: 16px;
    }

    .storyline-step__content {
        padding: 20px 16px;
    }

    .note-card,
    .principle-card {
        min-height: auto;
    }

    .about-principles .principle-card {
        min-height: auto;
    }

    .company-momentum__lane {
        padding-left: 30px;
        gap: 16px;
    }

    .company-momentum__lane::before {
        left: 9px;
    }

    .momentum-item::before {
        left: -30px;
        width: 14px;
        height: 14px;
    }

    .momentum-item:hover {
        transform: translateX(4px);
    }
}
