/* =========================================================
   SCIENTIFIC EXCURSION SECTION
========================================================= */
.sci-section {
    position: relative;
    overflow: hidden;
    padding: 110px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 52%, #eef4ff 100%);
    border-top: 0px solid rgba(31, 99, 255, 0.06);
}

.sci-section::before,
.sci-section::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    filter: blur(70px);
    pointer-events: none;
    z-index: 0;
}

.sci-section::before {
    width: 260px;
    height: 260px;
    top: 70px;
    left: -80px;
    background: rgba(31, 99, 255, 0.10);
}

.sci-section::after {
    width: 280px;
    height: 280px;
    right: -100px;
    bottom: 60px;
    background: rgba(99, 102, 241, 0.10);
}

.sci-section .container {
    position: relative;
    z-index: 1;
}

/* =========================================================
   HEADER
========================================================= */
.sci-header {
    max-width: 820px;
    margin: 0 auto 56px;
}

.sci-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(12, 74, 153, 0.08);
    color: #0f4fa8;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 18px;
}

.sci-eyebrow i {
    font-size: 0.95rem;
    line-height: 1;
}

.sci-title {
    margin: 0 0 14px;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.sci-subtitle {
    margin: 0 auto;
    max-width: 760px;
    font-size: 1.03rem;
    line-height: 1.85;
    color: #64748b;
}

/* =========================================================
   INTRO
========================================================= */
.sci-intro-row {
    margin-bottom: 78px;
}

.sci-image-card,
.sci-intro-card {
    position: relative;
    border-radius: 28px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.84);
    border: 1px solid rgba(148, 163, 184, 0.16);
    box-shadow: 0 26px 60px rgba(15, 23, 42, 0.09);
}

.sci-image-card {
    min-height: 100%;
}

.sci-image-card img {
    width: 100%;
    height: 100%;
    min-height: 540px;
    object-fit: cover;
    display: block;
}

.sci-image-overlay {
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: 24px;
}

.sci-image-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.88);
    color: #0f172a;
    font-weight: 700;
    font-size: 0.92rem;
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.14);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.sci-intro-card {
    padding: 34px 32px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sci-mini-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.08);
    color: #1d4ed8;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 18px;
}

.sci-heading {
    margin: 0 0 14px;
    font-size: clamp(1.45rem, 2.8vw, 2rem);
    line-height: 1.2;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.sci-text {
    margin: 0;
    font-size: 1rem;
    line-height: 1.9;
    color: #64748b;
}

.sci-process {
    margin-top: 28px;
    display: grid;
    gap: 16px;
}

.sci-process-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 18px;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255,255,255,.96) 0%, rgba(246,250,255,.96) 100%);
    border: 1px solid rgba(148, 163, 184, 0.16);
}

.sci-process-icon {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1f63ff, #4f8cff);
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 14px 28px rgba(31, 99, 255, 0.22);
}

.sci-process-item strong {
    display: block;
    margin-bottom: 4px;
    font-size: 1rem;
    color: #0f172a;
    font-weight: 800;
}

.sci-process-item span {
    display: block;
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* =========================================================
   ROUTE HEADER
========================================================= */
.sci-route-header {
    max-width: 760px;
    margin: 0 auto 36px;
}

.sci-route-kicker {
    display: inline-block;
    margin-bottom: 12px;
    font-size: 0.86rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #2563eb;
}

.sci-route-title {
    margin: 0 0 14px;
    font-size: clamp(1.7rem, 3vw, 2.35rem);
    font-weight: 800;
    line-height: 1.2;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.sci-route-subtitle {
    margin: 0 auto;
    max-width: 720px;
    font-size: 1rem;
    line-height: 1.85;
    color: #64748b;
}

/* =========================================================
   ROUTE CARDS
========================================================= */
.sci-routes-row {
    margin-bottom: 46px;
}

.sci-route-card {
    position: relative;
    height: 100%;
    padding: 28px 24px 24px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(148, 163, 184, 0.16);
    box-shadow: 0 22px 48px rgba(15, 23, 42, 0.08);
    transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
    overflow: hidden;
}

.sci-route-card::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 6px;
    border-radius: 999px;
}

.sci-route-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 28px 56px rgba(15, 23, 42, 0.12);
    border-color: rgba(99, 102, 241, 0.18);
}

.sci-route-card--blue::before {
    background: linear-gradient(90deg, #2563eb, #60a5fa);
}

.sci-route-card--purple::before {
    background: linear-gradient(90deg, #7c3aed, #a78bfa);
}

.sci-route-card--green::before {
    background: linear-gradient(90deg, #16a34a, #4ade80);
}

.sci-route-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 22px;
}

.sci-route-badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 999px;
    background: #eef4ff;
    color: #2563eb;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.sci-route-icon {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: #fff;
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.14);
}

.sci-route-card--blue .sci-route-icon {
    background: linear-gradient(135deg, #2563eb, #60a5fa);
}

.sci-route-card--purple .sci-route-icon {
    background: linear-gradient(135deg, #7c3aed, #a78bfa);
}

.sci-route-card--green .sci-route-icon {
    background: linear-gradient(135deg, #16a34a, #4ade80);
}

.sci-route-name {
    margin: 0 0 12px;
    font-size: 1.34rem;
    line-height: 1.25;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.sci-route-text {
    margin: 0 0 18px;
    color: #64748b;
    line-height: 1.85;
    font-size: 0.98rem;
}

.sci-route-list {
    list-style: none;
    padding: 0;
    margin: 0 0 22px;
    display: grid;
    gap: 12px;
}

.sci-route-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #334155;
    font-size: 0.95rem;
    line-height: 1.7;
}

.sci-route-list li i {
    margin-top: 5px;
    color: #2563eb;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.sci-route-footer {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid rgba(148, 163, 184, 0.14);
}

.sci-route-tag {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 999px;
    background: #f8fafc;
    color: #475569;
    font-size: 0.82rem;
    font-weight: 700;
}

/* =========================================================
   BOTTOM NOTE
========================================================= */
.sci-bottom-note {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    max-width: 980px;
    margin: 0 auto;
    padding: 24px 24px;
    border-radius: 26px;
    background: linear-gradient(135deg, rgba(31,99,255,.10), rgba(255,255,255,.90));
    border: 1px solid rgba(31, 99, 255, 0.12);
    box-shadow: 0 22px 48px rgba(15, 23, 42, 0.08);
}

.sci-bottom-note__icon {
    width: 60px;
    height: 60px;
    border-radius: 20px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2563eb, #60a5fa);
    color: #fff;
    font-size: 1.25rem;
    box-shadow: 0 18px 30px rgba(37, 99, 235, 0.24);
}

.sci-bottom-note__content h4 {
    margin: 0 0 8px;
    font-size: 1.18rem;
    font-weight: 800;
    color: #0f172a;
}

.sci-bottom-note__content p {
    margin: 0;
    color: #64748b;
    line-height: 1.85;
    font-size: 0.98rem;
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 1199.98px) {
    .sci-image-card img {
        min-height: 500px;
    }
}

@media (max-width: 991.98px) {
    .sci-section {
        padding: 92px 0;
    }

    .sci-intro-row {
        margin-bottom: 64px;
    }

    .sci-image-card img {
        min-height: 420px;
    }

    .sci-intro-card {
        padding: 28px 24px;
    }
}

@media (max-width: 767.98px) {
    .sci-section {
        padding: 78px 0;
    }

    .sci-header {
        margin-bottom: 42px;
    }

    .sci-title {
        font-size: clamp(1.8rem, 8vw, 2.35rem);
    }

    .sci-subtitle,
    .sci-route-subtitle,
    .sci-text {
        font-size: 0.97rem;
        line-height: 1.8;
    }

    .sci-image-card,
    .sci-intro-card,
    .sci-route-card,
    .sci-bottom-note {
        border-radius: 24px;
    }

    .sci-image-card img {
        min-height: 320px;
    }

    .sci-image-overlay {
        left: 18px;
        right: 18px;
        bottom: 18px;
    }

    .sci-image-badge {
        font-size: 0.86rem;
        padding: 10px 14px;
    }

    .sci-route-card {
        padding: 24px 20px 22px;
    }

    .sci-route-top {
        margin-bottom: 18px;
    }

    .sci-route-icon {
        width: 52px;
        height: 52px;
        font-size: 1.18rem;
        border-radius: 16px;
    }

    .sci-bottom-note {
        flex-direction: column;
        gap: 14px;
        padding: 22px 20px;
    }
}

@media (max-width: 575.98px) {
    .sci-eyebrow {
        font-size: 0.84rem;
        padding: 9px 14px;
    }

    .sci-heading {
        font-size: 1.35rem;
    }

    .sci-process-item {
        padding: 14px 14px;
        border-radius: 18px;
    }

    .sci-process-icon {
        width: 42px;
        height: 42px;
        border-radius: 14px;
    }

    .sci-route-name {
        font-size: 1.2rem;
    }

    .sci-bottom-note__icon {
        width: 54px;
        height: 54px;
        border-radius: 18px;
    }
}