/* =============================================
   LANDING — DESAIN 3D LANDSCAPE RUMAH
   Mengikuti bahasa desain tema Semanggi Landscape
   ============================================= */

.l3-hero {
    position: relative;
    overflow: hidden;
    background: radial-gradient(1200px 600px at 80% -10%, rgba(46,125,50,0.28), transparent 60%),
        linear-gradient(135deg, #0b1510 0%, #0d1f15 55%, #123423 100%);
    padding: 150px 0 96px;
}

.l3-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(5,14,8,0.55) 0%, rgba(5,14,8,0.2) 45%, rgba(5,14,8,0.05) 100%);
    pointer-events: none;
}

.l3-hero > .max-w-7xl {
    position: relative;
    z-index: 1;
}

.l3-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 999px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.25);
    color: #d7f3df;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    backdrop-filter: blur(6px);
}

.l3-badge::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #6ddb8d;
    box-shadow: 0 0 0 3px rgba(109,219,141,0.25);
}

.l3-heading {
    margin-top: 22px;
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2rem, 4.6vw, 3.6rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: #ffffff;
    text-shadow: 0 2px 20px rgba(0,0,0,0.35);
}

.l3-heading-grad {
    background: linear-gradient(120deg, #ffffff 0%, #b9e4c9 55%, #6ddb8d 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.l3-desc {
    margin-top: 20px;
    max-width: 560px;
    color: rgba(255,255,255,0.9);
    line-height: 1.8;
    font-size: 1.02rem;
    text-shadow: 0 1px 12px rgba(0,0,0,0.3);
}

.l3-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.l3-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.98rem;
    text-decoration: none;
    background: linear-gradient(135deg, var(--color-primary), #10b981);
    color: #fff;
    box-shadow: 0 8px 24px rgba(5,150,105,0.35);
    transition: transform 0.3s cubic-bezier(0.25,0.46,0.45,0.94), box-shadow 0.3s ease;
}

.l3-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 34px rgba(5,150,105,0.45);
}

.l3-btn-ghost {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.45);
    box-shadow: none;
}

.l3-btn-ghost:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* Hero visual */
.l3-visual {
    position: relative;
}

.l3-visual-frame {
    position: relative;
    border-radius: 28px;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    box-shadow: 0 30px 80px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.08);
    background: #0d1f15;
}

.l3-visual-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.35));
    pointer-events: none;
}

.l3-visual-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.l3-visual-tag {
    position: absolute;
    left: 16px;
    bottom: 16px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: 999px;
    background: rgba(255,255,255,0.92);
    color: #0d6b34;
    font-size: 0.82rem;
    font-weight: 700;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

/* Section base */
.l3-section {
    padding: 88px 0;
}

.l3-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.l3-eyebrow::before {
    content: '';
    width: 26px;
    height: 2px;
    border-radius: 2px;
    background: var(--color-primary);
}

.l3-title {
    margin-top: 12px;
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    color: #111827;
    letter-spacing: -0.02em;
}

.l3-title-grad {
    color: var(--color-primary);
}

.l3-subtitle {
    margin-top: 14px;
    max-width: 640px;
    color: #6b7280;
    line-height: 1.7;
}

/* Service cards */
.l3-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 44px;
}

.l3-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 20px;
    padding: 26px 24px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
    transition: transform 0.3s cubic-bezier(0.25,0.46,0.45,0.94), box-shadow 0.3s ease, border-color 0.3s ease;
}

.l3-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(5,150,105,0.12);
    border-color: rgba(5,150,105,0.3);
}

.l3-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 14px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--color-primary), #10b981);
    box-shadow: 0 8px 20px rgba(5,150,105,0.3);
}

.l3-card-icon svg {
    width: 24px;
    height: 24px;
}

.l3-card-title {
    margin-top: 18px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1.04rem;
    color: #111827;
    line-height: 1.35;
}

.l3-card-desc {
    margin-top: 8px;
    color: #6b7280;
    font-size: 0.9rem;
    line-height: 1.65;
}

/* Cocok untuk chips */
.l3-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 36px;
}

.l3-chip {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 12px 22px;
    border-radius: 999px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    color: #374151;
    font-weight: 600;
    font-size: 0.92rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: all 0.25s ease;
}

.l3-chip:hover {
    border-color: rgba(5,150,105,0.4);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(5,150,105,0.14);
}

.l3-chip svg {
    width: 17px;
    height: 17px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Dark benefit section */
.l3-dark {
    background: radial-gradient(900px 500px at 10% 0%, rgba(46,125,50,0.22), transparent 55%),
        linear-gradient(135deg, #0b1510 0%, #0d1f15 100%);
    color: #fff;
}

.l3-dark .l3-title {
    color: #fff;
}

.l3-dark .l3-subtitle {
    color: rgba(255,255,255,0.78);
}

.l3-dark .l3-eyebrow {
    color: #7fe0a1;
}

.l3-dark .l3-eyebrow::before {
    background: #7fe0a1;
}

.l3-benefit {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-top: 20px;
}

.l3-check {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    margin-top: 2px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), #10b981);
    color: #fff;
}

.l3-check svg {
    width: 13px;
    height: 13px;
}

.l3-benefit-title {
    font-weight: 600;
    color: #fff;
    font-size: 1rem;
}

.l3-benefit-desc {
    margin-top: 3px;
    color: rgba(255,255,255,0.72);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Timeline */
.l3-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 44px;
    counter-reset: step;
}

.l3-step {
    position: relative;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 20px;
    padding: 30px 24px 26px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.l3-step:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(5,150,105,0.12);
}

.l3-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary), #10b981);
    box-shadow: 0 8px 20px rgba(5,150,105,0.3);
}

.l3-step-title {
    margin-top: 18px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    color: #111827;
}

.l3-step-desc {
    margin-top: 6px;
    color: #6b7280;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Deliverables list */
.l3-list {
    margin-top: 30px;
    display: grid;
    gap: 12px;
}

.l3-list-item {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    padding: 14px 18px;
    color: #374151;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.l3-list-item:hover {
    border-color: rgba(5,150,105,0.4);
    transform: translateX(4px);
}

.l3-list-item svg {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 2px;
    color: var(--color-primary);
}

.l3-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.l3-gallery img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,0,0,0.05);
}

.l3-gallery .l3-gallery-wide {
    grid-column: span 2;
    aspect-ratio: 16 / 6;
}

/* Area layanan */
.l3-area {
    background: #f9fafb;
    text-align: center;
}

.l3-area-card {
    max-width: 720px;
    margin: 36px auto 0;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 20px;
    padding: 26px 28px;
    display: flex;
    align-items: center;
    gap: 16px;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}

.l3-area-card svg {
    width: 30px;
    height: 30px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* CTA */
.l3-cta {
    position: relative;
    overflow: hidden;
    text-align: center;
    background: radial-gradient(1000px 480px at 50% 120%, rgba(46,125,50,0.3), transparent 60%),
        linear-gradient(135deg, #0b1510 0%, #0d1f15 100%);
    padding: 90px 0;
}

.l3-cta-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.7rem, 3.4vw, 2.7rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}

.l3-cta-desc {
    margin: 18px auto 0;
    max-width: 560px;
    color: rgba(255,255,255,0.85);
    line-height: 1.75;
}

.l3-cta-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.l3-cta-phone {
    margin-top: 18px;
    font-size: 0.95rem;
    color: rgba(255,255,255,0.65);
}

.l3-cta-phone a {
    color: #7fe0a1;
    font-weight: 700;
    text-decoration: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .l3-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .l3-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .l3-hero {
        padding: 120px 0 64px;
    }

    .l3-grid,
    .l3-steps {
        grid-template-columns: 1fr;
    }

    .l3-gallery {
        grid-template-columns: 1fr;
    }

    .l3-gallery .l3-gallery-wide {
        grid-column: span 1;
        aspect-ratio: 4 / 3;
    }

    .l3-section {
        padding: 64px 0;
    }
}

/* =============================================
   LAYOUT HELPERS
   Agar konten HTML dapat diedit & dipreview
   mandiri (mis. di W3Schools TryIt) tanpa
   bergantung pada utility class Tailwind.
   ============================================= */

.l3-container {
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: 1rem;
}

@media (min-width: 640px) {
    .l3-container {
        padding-inline: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .l3-container {
        padding-inline: 2rem;
    }
}

.l3-white {
    background: #ffffff;
}

.l3-center {
    text-align: center;
}

.l3-center .l3-subtitle {
    margin-left: auto;
    margin-right: auto;
}

.l3-area .l3-subtitle {
    margin-left: auto;
    margin-right: auto;
}

.l3-center .l3-chips {
    justify-content: center;
}

.l3-grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .l3-grid-2 {
        grid-template-columns: 1fr 1fr;
        gap: 3.5rem;
    }
}

@media (max-width: 1023.98px) {
    .l3-grid-2 .l3-mobile-first {
        order: -1;
    }
}

.l3-benefits-grid {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: 1fr;
    column-gap: 2rem;
}

@media (min-width: 640px) {
    .l3-benefits-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* =============================================
   PLACEHOLDER GAMBAR
   Tampilan sementara sebelum gambar diisi lewat
   Media Library. Ganti dengan <img> asli (lihat
   komentar di desain-3d-content.html).
   ============================================= */

.l3-image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px;
    text-align: center;
    color: #94a3b8;
    font-size: 0.85rem;
    font-weight: 600;
    background: repeating-linear-gradient(45deg, #f8fafc 0 14px, #eef2f7 14px 28px);
    border: 2px dashed #cbd5e1;
}

.l3-image-placeholder svg {
    width: 34px;
    height: 34px;
    color: #94a3b8;
    flex-shrink: 0;
}

.l3-gallery .l3-image-placeholder {
    aspect-ratio: 4 / 3;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.l3-gallery .l3-image-placeholder.l3-gallery-wide {
    grid-column: span 2;
    aspect-ratio: 16 / 6;
}
