:root {
    --navy: #033631;
    --navy-2: #054840;
    --gold: #bf9b42;
    --gold-2: #d8b65d;
    --cream: #faf8f2;
    --border: #efe6cf;
    --text: #1f2937;
    --muted: #6b7280;
    --white: #fff;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    background: #fff;
    overflow-x: hidden;
}

a {
    text-decoration: none;
}

section {
    padding: 90px 0;
}

.container {
    max-width: 1180px;
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold), var(--gold-2));
    color: #fff;
    padding: 13px 24px;
    border-radius: 999px;
    font-weight: 800;
    border: none;
    box-shadow: 0 14px 30px rgba(191, 155, 66, .28);
    transition: .3s;
}

.btn-gold:hover {
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(191, 155, 66, .38);
}

.btn-outline-emi {
    border-radius: 999px;
    padding: 13px 24px;
    font-weight: 800;
    border: 1px solid rgba(3, 54, 49, .22);
    color: var(--navy);
    background: #fff;
    transition: .3s;
}

.btn-outline-emi:hover {
    background: var(--navy);
    color: #fff;
}

.solution-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 22px;
    border-radius: 999px;
    border: 1px solid #d8b65d;
    color: #d8b65d;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 18px;
    background: rgba(255, 255, 255, .78);
}

.eco-title {
    font-size: clamp(38px, 5vw, 52px);
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1.05;
    color: #033631;
    margin-bottom: 18px;
}

.eco-title .text-gold {
    background: linear-gradient(135deg, #bf9b42, #f3d37c, #bf9b42);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.eco-intro {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
    font-size: clamp(14px, 1.4vw, 16px);
    line-height: 1.75;
    color: #4b5563;
}

.case-hero {
    padding: 120px 0 46px;
    background:
        radial-gradient(circle at 78% 40%, rgba(201, 154, 46, .10), transparent 34%),
        linear-gradient(180deg, #fff 0%, #fbfaf6 100%);
    position: relative;
    overflow: hidden;
}

.case-hero::after {
    content: "";
    position: absolute;
    right: 8%;
    top: 110px;
    width: 260px;
    height: 260px;
    background: rgba(3, 54, 49, 40%);
    border-radius: 50%;
    z-index: 0;
}

.case-hero .container {
    position: relative;
    z-index: 2;
}

.case-kicker {
    color: var(--gold);
    font-weight: 900;
    font-size: 15px;
    display: inline-block;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.case-hero h1 {
    color: var(--navy);
    font-size: clamp(36px, 5vw, 50px);
    line-height: 1;
    font-weight: 900;
    letter-spacing: -1.8px;
    margin-bottom: 14px;
    text-transform: uppercase;
}

.case-hero p {
    color: #5b6664;
    font-size: 18px;
    margin-bottom: 26px;
    max-width: 620px;
}

.case-hero p strong {
    color: var(--navy);
    font-weight: 900;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 8px;
}

.hero-advisor {
    height: 390px;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.advisor-visual {
    position: relative;
    width: 360px;
    height: 390px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.advisor-visual::before {
    content: "";
    position: absolute;
    width: 310px;
    height: 310px;
    bottom: 18px;
    border-radius: 46% 54% 40% 60%;
    background: linear-gradient(135deg, rgba(3, 54, 49, .10), rgba(201, 154, 46, .18));
}

.advisor-ring {
    position: absolute;
    width: 250px;
    height: 250px;
    bottom: 58px;
    border-radius: 50%;
    border: 1px solid rgba(201, 154, 46, .35);
}

.advisor-ring::before {
    content: "";
    position: absolute;
    inset: 20px;
    border-radius: 50%;
    border: 1px dashed rgba(3, 54, 49, .18);
}

.advisor-visual img {
    position: relative;
    z-index: 3;
    max-height: 380px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 24px 34px rgba(3, 54, 49, .18));
}

.advisor-chip {
    position: absolute;
    z-index: 5;
    min-width: 150px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, .94);
    border: 1px solid rgba(3, 54, 49, .08);
    box-shadow: 0 16px 40px rgba(15, 23, 42, .10);
    backdrop-filter: blur(10px);
    border-radius: 18px;
    padding: 12px 14px;
    animation: floatChip 5s ease-in-out infinite;
}

.advisor-chip i {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: #fff7e5;
    color: var(--gold);
    display: grid;
    place-items: center;
    font-size: 17px;
}

.advisor-chip strong {
    display: block;
    color: var(--navy);
    font-size: 13px;
    font-weight: 900;
    line-height: 1.1;
}

.advisor-chip span {
    display: block;
    color: var(--muted);
    font-size: 11px;
    font-weight: 600;
    margin-top: 2px;
}

.chip-top {
    top: 6px;
    right: 0;
}

.chip-middle {
    left: -43px;
    top: 108px;
    animation-delay: 1s;
}

.chip-bottom {
    right: -34px;
    bottom: 34px;
    animation-delay: 2s;
}

@keyframes floatChip {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@media (hover: hover) and (pointer: fine) {
    .hero-advisor:hover .advisor-visual {
        transform: translateY(-6px);
    }

    .hero-advisor:hover .advisor-ring {
        transform: rotate(12deg) scale(1.03);
        border-color: rgba(201, 154, 46, .55);
    }

    .hero-advisor:hover .advisor-visual::before {
        transform: scale(1.04);
        filter: blur(2px);
    }

    .hero-advisor:hover img {
        transform: translateY(-4px) scale(1.02);
        filter: drop-shadow(0 32px 42px rgba(3, 54, 49, .22));
    }

    .advisor-chip:hover {
        transform: translateY(-6px) scale(1.03);
        box-shadow: 0 24px 60px rgba(15, 23, 42, .16);
        border-color: rgba(201, 154, 46, .35);
    }

    .advisor-chip:hover i {
        transform: rotate(-8deg) scale(1.08);
        background: linear-gradient(135deg, #fff7e5, #fde68a);
        color: #b45309;
    }

    .advisor-chip:hover strong {
        color: var(--gold);
    }
}

.advisor-visual,
.advisor-ring,
.advisor-visual::before,
.advisor-visual img,
.advisor-chip,
.advisor-chip i,
.advisor-chip strong {
    transition:
        transform .5s cubic-bezier(.22, 1, .36, 1),
        box-shadow .4s ease,
        border-color .4s ease,
        filter .4s ease,
        background .4s ease,
        color .3s ease;
}

@media (max-width: 991px) {
    .case-hero {
        padding: 108px 0 38px;
    }

    .hero-advisor {
        height: 320px;
        margin-top: 20px;
    }

    .advisor-visual {
        width: 300px;
        height: 320px;
    }

    .advisor-visual img {
        max-height: 310px;
    }

    .advisor-chip {
        transform: scale(.85);
    }

    .chip-top {
        top: 24px;
        right: -10px;
    }

    .chip-middle {
        left: -18px;
        top: 130px;
    }

    .chip-bottom {
        right: -8px;
        bottom: 22px;
    }
}

@media (max-width: 768px) {
    .case-hero::after {
        width: 210px;
        height: 210px;
        right: -70px;
        top: 120px;
    }

    .advisor-chip {
        margin: -28px;
    }

    .chip-top {
        margin-left: -12px;
        margin-top: -9px;
    }

    .chip-middle {
        margin-right: -10px;
        margin-top: -44px;
    }

    .chip-bottom {
        margin-left: 6px;
        margin-bottom: 12px;
    }
}

@media (max-width: 576px) {
    .case-hero h1 {
        font-size: 36px;
    }

    .case-hero p {
        font-size: 16px;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

.story-section {
    background: #fff;
}

.case-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin: 34px 0 42px;
}

.case-tab-btn {
    border: 1px solid rgba(191, 155, 66, .28);
    background: #fff;
    color: var(--navy);
    padding: 12px 20px;
    border-radius: 999px;
    font-weight: 800;
    transition: .3s ease;
}

.case-tab-btn:hover,
.case-tab-btn.active {
    background: linear-gradient(135deg, var(--navy), var(--navy-2));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 16px 34px rgba(3, 54, 49, .18);
}

.case-card {
    height: 100%;
    background: #fff;
    border: 1px solid rgba(191, 155, 66, .22);
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 18px 45px rgba(15, 23, 42, .07);
    transition: .35s ease;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 70px rgba(191, 155, 66, .16);
    border-color: rgba(191, 155, 66, .48);
}

.case-card-img {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: #eadfc8;
}

.case-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.card-play {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    border: none;
    background: rgba(3, 54, 49, .86);
    color: #fff;
    font-size: 19px;
}

.case-card-body {
    padding: 26px;
}

.case-card h3 {
    color: var(--navy);
    font-size: 20px;
    line-height: 1.32;
    font-weight: 900;
    margin-bottom: 14px;
}

.case-card p {
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 16px;
}

.case-quote {
    color: var(--gold);
    font-weight: 800;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 18px;
}

.case-link {
    color: var(--navy);
    font-weight: 900;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.case-link:hover {
    color: var(--gold);
}

.detail-section {
    background:
        radial-gradient(circle at 90% 12%, rgba(216, 182, 93, .16), transparent 26%),
        linear-gradient(180deg, #fffdf8, #faf8f2);
}

.detail-shell {
    background: #fff;
    border: 1px solid rgba(191, 155, 66, .22);
    border-radius: 38px;
    padding: 42px;
    box-shadow: 0 30px 80px rgba(15, 23, 42, .08);
}

.breadcrumb-emi {
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
}

.breadcrumb-emi span {
    color: var(--gold);
}

.detail-title {
    color: var(--navy);
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -1.5px;
    margin-bottom: 18px;
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    color: var(--muted);
    font-weight: 700;
    margin-bottom: 24px;
}

.highlight-box {
    background: linear-gradient(135deg, var(--navy), var(--navy-2));
    color: #fff;
    border-radius: 28px;
    padding: 28px;
    margin-top: 22px;
}

.highlight-box h3 {
    color: var(--gold-2);
    font-size: 18px;
    font-weight: 900;
    margin-bottom: 16px;
}

.highlight-box ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.highlight-box li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    line-height: 1.6;
}

.highlight-box li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--gold-2);
}

.quote-box {
    background: #fffaf0;
    border: 1px solid rgba(191, 155, 66, .28);
    border-radius: 28px;
    padding: 28px;
    color: var(--navy);
    font-size: 20px;
    line-height: 1.6;
    font-weight: 800;
    margin-top: 22px;
}

.quote-box span {
    display: block;
    margin-top: 14px;
    color: var(--gold);
    font-size: 15px;
}

.timeline {
    display: grid;
    gap: 22px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 18px;
    padding: 24px;
    border-radius: 26px;
    background: #fffdf8;
    border: 1px solid rgba(191, 155, 66, .18);
}

.timeline-num {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--navy);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
}

.timeline-item h3 {
    color: var(--navy);
    font-size: 21px;
    font-weight: 900;
    margin-bottom: 10px;
}

.timeline-item p,
.timeline-item li {
    color: #4b5563;
    line-height: 1.75;
}

.timeline-item ul {
    margin-bottom: 12px;
}

@media(max-width: 991px) {
    section {
        padding: 72px 0;
    }

    .case-hero {
        padding-top: 110px;
    }

    .hero-visual img {
        height: 380px;
    }

    .detail-shell {
        padding: 28px;
    }
}

@media(max-width: 576px) {
    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-visual img {
        height: 320px;
    }

    .detail-shell {
        border-radius: 28px;
        padding: 22px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
    }
}

.case-empty {
    display: none;
    text-align: center;
    padding: 60px 20px;
    color: var(--muted);
}

.case-empty.show {
    display: block;
}

.case-empty i {
    font-size: 42px;
    color: var(--gold);
    margin-bottom: 12px;
}