/* ── Storefront (Public Customer Page) - Dalal Energy ──────────── */

/* Reset page body for storefront */
.storefront-body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    min-height: 100dvh;
    padding-top: var(--header-height);
}

/* ── Typography Enhancements ─────────────────────────────────── */
h1,
h2,
h3,
h4 {
    color: var(--accent-dark);
    font-weight: 800;
    line-height: 1.2;
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4 {
    color: #fff;
}

/* ── Navbar ──────────────────────────────────────────────────── */
.sf-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    padding: 0 5%;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        backdrop-filter 0.4s ease;
}

/* Frosted-glass state — added by JS on scroll */
.sf-nav--scrolled {
    background: rgba(255, 255, 255, 0.92) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06) !important;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06) !important;
}

[data-theme="dark"] .sf-nav--scrolled {
    background: rgba(15, 23, 42, 0.92) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3) !important;
}

.sf-nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    flex-shrink: 0;
}

.sf-nav-links {
    display: flex;
    align-items: center;
    gap: 0.1rem;
    flex: 1 1 0;
    min-width: 0;
    justify-content: center;
    overflow: hidden;
}

.sf-nav-links .sf-nav-link {
    position: relative;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    white-space: nowrap;
    transition: color var(--transition);
}

.sf-nav-links .sf-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.75rem;
    right: 0.75rem;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.sf-nav-links .sf-nav-link:hover {
    color: var(--accent);
}

.sf-nav-links .sf-nav-link:hover::after {
    transform: scaleX(1);
}

.sf-nav-links .sf-nav-link.active {
    color: var(--accent);
    font-weight: 700;
}

.sf-nav-links .sf-nav-link.active::after {
    transform: scaleX(1);
}

[data-theme="dark"] .sf-nav-links .sf-nav-link {
    color: rgba(255,255,255,0.65);
}

[data-theme="dark"] .sf-nav-links .sf-nav-link:hover,
[data-theme="dark"] .sf-nav-links .sf-nav-link.active {
    color: #fff;
}

.sf-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
    flex-wrap: nowrap;
}

.sf-nav-logo {
    width: 44px;
    height: 44px;
    background: var(--primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: var(--shadow-glow);
}

.sf-nav-logo svg {
    width: 24px;
    height: 24px;
}

.sf-nav-name {
    font-size: var(--font-size-xl);
    font-weight: 900;
    color: var(--accent);
    letter-spacing: -0.02em;
}

[data-theme="dark"] .sf-nav-name {
    color: #fff;
}

/* ── Hero Section ────────────────────────────────────────────── */
.sf-hero {
    min-height: calc(100vh - var(--header-height));
    min-height: calc(100dvh - var(--header-height));
    background: #0f172a url('../img/hero.png') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    padding: 6rem 5%;
}

.sf-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0, 28, 56, 0.9) 0%, rgba(0, 28, 56, 0.4) 60%, transparent 100%);
}

[dir="rtl"] .sf-hero::before {
    background: linear-gradient(to left, rgba(0, 28, 56, 0.9) 0%, rgba(0, 28, 56, 0.4) 60%, transparent 100%);
}

.sf-hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.sf-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-rgba);
    border: 1px solid var(--primary);
    color: var(--primary-light);
    border-radius: var(--radius-full);
    padding: 0.4rem 1rem;
    font-size: var(--font-size-sm);
    font-weight: 700;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 0 15px rgba(255, 179, 0, 0.2);
}

.sf-hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    line-height: 1.1;
    color: #fff;
    margin-bottom: 1.5rem;
}

/* For smaller screens, adjust 4xl */
@media (max-width: 768px) {
    .sf-hero-title {
        font-size: var(--font-size-3xl);
    }
    .sf-hero {
        padding: 4rem 4% 2rem;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
    }
    .sf-hero-sub {
        font-size: var(--font-size-base);
    }
    /* Prevent scroll-hint from overlapping buttons on mobile */
    .sf-hero-scroll-hint {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        align-self: center;
        margin-top: 2rem;
    }
}
@media (max-width: 480px) {
    .sf-hero-title {
        font-size: var(--font-size-2xl);
    }
    .sf-hero {
        padding: 3rem 4% 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
    }
    .sf-hero-actions {
        flex-direction: column;
    }
    .sf-hero-actions .btn-lg {
        text-align: center;
    }
}
@media (max-width: 400px) {
    .sf-hero-scroll-hint {
        margin-top: 4rem;
    }
}

.sf-hero-title span {
    color: var(--primary);
    white-space: nowrap;
}

.sf-hero-sub {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

.sf-hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-md);
    font-weight: 700;
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary);
    color: #111827;
    border: none;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 179, 0, 0.4);
}

.sf-hero .btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.sf-hero .btn-outline:hover,
.sf-hero .btn-outline:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    transform: translateY(-2px);
}

/* ── Section wrapper ─────────────────────────────────────────── */
.sf-section {
    padding: 6rem 5%;
    position: relative;
}
@media (max-width: 768px) {
    .sf-section { padding: 3.5rem 4%; }
    .sf-section-title { font-size: var(--font-size-2xl) !important; }
    .sf-value-card { padding: 1.75rem 1.5rem; }
    .sf-service-card { padding: 2rem 1.5rem; }
}

.sf-section-alt {
    background: var(--bg-section-alt);
}

.sf-section-dark {
    background: var(--bg-section-dark);
    color: #fff;
}

.sf-section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.sf-section-label {
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: var(--font-size-sm);
    margin-bottom: 0.5rem;
}

.sf-section-title {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}

.sf-section-sub {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    line-height: 1.6;
}

.sf-section-dark .sf-section-title {
    color: #fff;
}

.sf-section-dark .sf-section-sub {
    color: rgba(255, 255, 255, 0.7);
}

/* ── Split Feature Content (Text + Image) ────────────────────── */
.sf-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.sf-split-img {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
    aspect-ratio: 4/3;
}

.sf-split-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.sf-split-img:hover img {
    transform: scale(1.05);
}

.sf-split-content h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: 1.5rem;
}

.sf-split-content p {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

ul.sf-check-list {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

ul.sf-check-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    font-size: var(--font-size-md);
    font-weight: 500;
}

ul.sf-check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary);
    font-weight: 900;
    font-size: 1.2rem;
}

@media (max-width: 900px) {
    .sf-split {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .sf-split.reverse .sf-split-img {
        grid-row: 1;
    }
}

/* ── Why Choose Us / Value Props ─────────────────────────────── */
.sf-values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.sf-value-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.sf-value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.sf-value-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.sf-value-card:hover::before {
    transform: scaleX(1);
}

.sf-value-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    background: var(--primary-rgba);
    color: var(--primary-dark);
}
.sf-value-icon svg {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.sf-value-title {
    font-size: var(--font-size-xl);
    font-weight: 800;
    margin-bottom: 1rem;
}

.sf-value-desc {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── Services Cards (Residential vs Commercial) ──────────────── */
.sf-services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.sf-service-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4/5;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 3rem;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
}

.sf-service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 28, 56, 0.95) 0%, rgba(0, 28, 56, 0.2) 100%);
    z-index: 1;
}

.sf-service-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform var(--transition-slow);
}

.sf-service-card:hover .sf-service-bg {
    transform: scale(1.08);
}

.sf-service-content {
    position: relative;
    z-index: 2;
    color: #fff;
    transition: transform var(--transition);
    transform: translateY(20px);
}

.sf-service-card:hover .sf-service-content {
    transform: translateY(0);
}

.sf-service-title {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: #fff;
    margin-bottom: 0.5rem;
}

.sf-service-desc {
    font-size: var(--font-size-md);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    opacity: 0;
    transition: opacity var(--transition);
}

.sf-service-card:hover .sf-service-desc {
    opacity: 1;
    transition-delay: 0.1s;
}

.sf-service-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: #000;
    transition: var(--transition);
}
.sf-service-arrow svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .sf-services-grid {
        grid-template-columns: 1fr;
    }

    .sf-service-card {
        aspect-ratio: inherit;
        min-height: 400px;
    }

    .sf-service-content {
        transform: translateY(0);
    }

    .sf-service-desc {
        opacity: 1;
    }
}

/* ── Products showcase ───────────────────────────────────────── */
.sf-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.sf-product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.sf-product-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
    border-color: var(--primary);
}

.sf-product-img {
    height: 340px;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    font-size: 4rem;
}

.sf-product-img img {
    width: auto;
    height: 100%;
    max-width: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
    margin: 0 auto;
}

.sf-product-body {
    padding: 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.sf-product-cat {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.sf-product-name {
    font-size: var(--font-size-lg);
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--text);
    line-height: 1.3;
}

.sf-product-brand {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.sf-product-spec {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-top: auto;
    margin-bottom: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.sf-product-spec span {
    background: var(--bg-hover);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.sf-product-price {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: var(--accent);
    border-top: 1px solid var(--border);
    padding-top: 1rem;
}

/* ── Dark Mode: Product Cards ────────────────────────────────── */
[data-theme="dark"] .sf-product-card {
    background: #1e293b;
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .sf-product-card:hover {
    border-color: var(--primary);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 179, 0, 0.15);
}

[data-theme="dark"] .sf-product-name {
    color: #f1f5f9;
}

[data-theme="dark"] .sf-product-brand {
    color: #94a3b8;
}

[data-theme="dark"] .sf-product-spec {
    color: #cbd5e1;
}

[data-theme="dark"] .sf-product-spec span {
    background: rgba(255, 255, 255, 0.07);
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .sf-product-price {
    color: var(--primary-light);
    border-top-color: rgba(255, 255, 255, 0.1);
    text-shadow: 0 0 20px rgba(255, 179, 0, 0.4);
}

[data-theme="dark"] .sf-product-img {
    background: #0f172a;
}

/* ── Contact / CTA ──────────────────────────────────────── */
.sf-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 3rem;
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
}

.sf-contact-info h3 {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    margin-bottom: 1.5rem;
}

.sf-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.sf-contact-item-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-rgba);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary-dark);
    font-size: 1.25rem;
}

.sf-map-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    min-height: 260px;
}

.sf-map-card iframe {
    flex: 1;
    display: block;
}

.sf-map-directions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    background: var(--primary);
    color: #000;
    font-weight: 700;
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: background var(--transition);
    letter-spacing: 0.02em;
}

.sf-map-directions:hover {
    background: var(--primary-dark);
}

@media (max-width: 768px) {
    .sf-contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ── Footer ──────────────────────────────────────────────────── */
.sf-footer {
    background: var(--accent-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 5rem 5% 2rem;
}

.sf-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.sf-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.sf-footer-brand .sf-nav-name {
    color: #fff;
    margin-bottom: 1rem;
    display: block;
    font-size: var(--font-size-2xl);
}

.sf-footer-desc {
    font-size: var(--font-size-md);
    line-height: 1.8;
    max-width: 400px;
    margin-bottom: 1.25rem;
}

.sf-footer-contact-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 0.25rem;
}

.sf-footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.sf-footer-contact-item:hover { color: var(--primary); }
.sf-footer-contact-item svg { flex-shrink: 0; color: var(--primary); }

.sf-footer-social {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.sf-footer-social svg { flex-shrink: 0; opacity: 0.8; transition: opacity 0.2s; }
.sf-footer-social:hover svg { opacity: 1; }

.sf-footer-col h4 {
    font-size: var(--font-size-md);
    font-weight: 800;
    color: #fff;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sf-footer-col a {
    display: block;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color var(--transition);
    font-weight: 500;
}

.sf-footer-col a:hover {
    color: var(--primary);
}

.sf-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: var(--font-size-sm);
}

@media (max-width: 900px) {
    .sf-footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .sf-footer-grid {
        grid-template-columns: 1fr;
    }
    .sf-footer { padding: 3rem 4% 2rem; }
}

/* ── Staff Login Button ───────────────────────────────────────── */
.sf-login-btn {
    border-radius: 999px;
    padding: 0.45rem 1.15rem;
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

/* ── Hamburger Button ────────────────────────────────────────── */
.sf-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}
.sf-hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}
[data-theme="dark"] .sf-hamburger span { background: #fff; }
.sf-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.sf-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.sf-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Nav Drawer ───────────────────────────────────────── */
.sf-mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    inset-inline-start: 0;
    width: 80%;
    max-width: 320px;
    height: calc(100vh - var(--header-height));
    height: calc(100dvh - var(--header-height));
    background: var(--bg-card);
    box-shadow: var(--shadow-xl);
    z-index: 1100;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1.5rem 1.25rem;
    transform: translateX(-110%);
    transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}
[dir="rtl"] .sf-mobile-nav { transform: translateX(110%); }
.sf-mobile-nav.open { transform: translateX(0); }
[dir="rtl"] .sf-mobile-nav.open { transform: translateX(0); }
.sf-mobile-nav .sf-nav-link {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    color: var(--text);
    text-transform: none;
    letter-spacing: 0;
}
.sf-mobile-nav .sf-nav-link:hover { background: var(--bg-hover); }
.sf-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 1050;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.sf-mobile-overlay.open { opacity: 1; pointer-events: auto; }

/* ── Hero Particles ──────────────────────────────────────────── */
.sf-hero-bg-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}
.sf-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.25;
    animation: float-particle 8s ease-in-out infinite;
}
.sf-particle:nth-child(1) { left: 12%; top: 20%; animation-delay: 0s;   animation-duration: 9s;  width:8px;height:8px; }
.sf-particle:nth-child(2) { left: 80%; top: 30%; animation-delay: 1.5s; animation-duration: 11s; opacity:.15; }
.sf-particle:nth-child(3) { left: 55%; top: 65%; animation-delay: 3s;   animation-duration: 8s;  width:4px;height:4px; }
.sf-particle:nth-child(4) { left: 25%; top: 75%; animation-delay: 4.5s; animation-duration: 10s; }
.sf-particle:nth-child(5) { left: 70%; top: 15%; animation-delay: 2s;   animation-duration: 12s; width:5px;height:5px; }
.sf-particle:nth-child(6) { left: 40%; top: 45%; animation-delay: 6s;   animation-duration: 9s;  opacity:.2; }
@keyframes float-particle {
    0%,100% { transform: translateY(0) scale(1); }
    50%      { transform: translateY(-30px) scale(1.2); }
}

/* ── Hero Scroll Hint ────────────────────────────────────────── */
.sf-hero-scroll-hint {
    position: absolute;
    bottom: 3.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.sf-scroll-dot {
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 13px;
    position: relative;
}
.sf-scroll-dot::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: scroll-bounce 1.8s ease infinite;
}
@keyframes scroll-bounce {
    0%,100% { top: 6px; opacity:1; }
    60%     { top: 18px; opacity:0.3; }
}
@media (max-width: 768px) {
    .sf-hero-scroll-hint,
    .sf-scroll-dot { display: none !important; }
}

/* ── Stats Strip ─────────────────────────────────────────────── */
.sf-stats-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0;
    background: var(--accent-dark);
    padding: 2rem 5%;
}
.sf-stat-item {
    flex: 1;
    min-width: 140px;
    text-align: center;
    padding: 1rem 1.5rem;
}
.sf-stat-num {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.4rem;
    font-variant-numeric: tabular-nums;
}
.sf-stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.65);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.sf-stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255,255,255,0.12);
    flex-shrink: 0;
}
@media (max-width: 600px) {
    .sf-stats-strip {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0;
    }
    .sf-stat-divider { display: none; }
    .sf-stat-item { min-width: 0; padding: 1rem 0.75rem; }
    .sf-stat-num { font-size: 1.75rem; }
    .sf-stat-label { font-size: 0.7rem; letter-spacing: 0.02em; }
}

/* ── How We Work Steps ───────────────────────────────────────── */
.sf-steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}
.sf-step {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem 1.5rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-xl);
    transition: transform var(--transition), background var(--transition);
}
.sf-step:hover {
    transform: translateY(-6px);
    background: rgba(255,255,255,0.08);
}
.sf-step-num {
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 0.75rem;
    opacity: 0.8;
}
.sf-step-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    background: rgba(255, 179, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--primary);
    filter: drop-shadow(0 0 8px rgba(255,179,0,0.25));
}
.sf-step-icon svg {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}
.sf-step-title {
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.75rem;
}
.sf-step-desc {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
}
@media (max-width: 900px) {
    .sf-steps-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
    .sf-steps-grid { grid-template-columns: 1fr; }
}

/* ── Project Cards (dynamically injected) ────────────────────── */
.sf-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}
.sf-project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem;
}
.sf-project-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    border-color: var(--primary);
}
.sf-project-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    background: var(--primary-rgba);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.sf-project-icon svg { width: 26px; height: 26px; }
.sf-project-body { flex: 1; min-width: 0; }
.sf-project-type {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary);
    margin-bottom: 0.4rem;
}
.sf-project-title {
    font-size: var(--font-size-md);
    font-weight: 800;
    color: var(--text);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}
.sf-project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.sf-project-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    background: var(--bg-hover);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
}
.sf-project-meta span svg { flex-shrink: 0; margin-top: 2px; }

/* ── Contact simple layout (info + map, no form) ─────────────── */
.sf-contact-grid-simple {
    max-width: 700px;
    margin: 0 auto;
}

/* ── Scroll Reveal Animations ────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ── Dark mode nav fix ───────────────────────────────────────── */
[data-theme="dark"] .sf-nav {
    background: rgba(15, 23, 42, 0.85);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* ── Responsive nav: hide links on mobile ────────────────────── */
@media (max-width: 1100px) {
    .sf-login-btn { display: none; }
}
@media (max-width: 900px) {
    .sf-nav-links { display: none; }
    .sf-hamburger { display: flex; }
    .sf-mobile-nav { display: flex; }
    .sf-mobile-overlay { display: block; }
    .sf-nav { padding: 0 4%; }
    .sf-nav-name { font-size: var(--font-size-lg); }
    .sf-nav-actions { gap: 0.4rem; }
}
@media (max-width: 480px) {
    .sf-nav { padding: 0 1rem; }
    .sf-nav-brand { gap: 0.5rem; }
    .sf-nav-name { font-size: 1.1rem; letter-spacing: -0.01em; }
    .sf-nav-logo { width: 32px; height: 32px; }
    .sf-nav-logo svg { width: 18px; height: 18px; }
    #nav-logo-img { width: 28px !important; height: 28px !important; }
    .sf-lang-btn { padding: 0.3rem 0.5rem; font-size: 0.75rem; }
    .sf-theme-btn { width: 36px; height: 36px; }
}

/* Language Selector — custom dropdown */
.sf-lang-dropdown {
    position: relative;
}
.sf-lang-btn {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    border: 1.5px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 0.8rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    transition: border-color var(--transition), box-shadow var(--transition);
    white-space: nowrap;
    outline: none;
}
.sf-lang-btn:hover,
.sf-lang-dropdown.open .sf-lang-btn {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255,179,0,0.15);
}
.sf-lang-btn svg {
    transition: transform 0.22s ease;
    flex-shrink: 0;
    color: var(--text-muted);
}
.sf-lang-dropdown.open .sf-lang-btn svg {
    transform: rotate(180deg);
}
.sf-lang-menu {
    display: none;
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 0;
    min-width: 110px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    list-style: none;
    padding: 0.3rem;
    margin: 0;
    animation: langMenuIn 0.18s cubic-bezier(0.4,0,0.2,1);
}
[dir="rtl"] .sf-lang-menu { right: auto; left: 0; }
.sf-lang-dropdown.open .sf-lang-menu { display: block; }
@keyframes langMenuIn {
    from { opacity: 0; transform: translateY(-6px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.sf-lang-option {
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    color: var(--text);
    transition: background var(--transition), color var(--transition);
    user-select: none;
}
.sf-lang-option:hover {
    background: var(--bg-hover);
    color: var(--text);
}
.sf-lang-option.active {
    background: var(--primary);
    color: #111;
    font-weight: 700;
}
[data-theme="dark"] .sf-lang-btn {
    background: var(--bg-card);
    border-color: var(--border);
}

/* ── Dark mode: phone number visible ────────────────────────── */
[data-theme="dark"] #contact-phone {
    color: var(--primary-light) !important;
}

/* ── Dark Mode Toggle Button ──────────────────────────── */
.sf-theme-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    background: var(--bg);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    transition: background var(--transition),
        border-color var(--transition),
        color var(--transition),
        box-shadow var(--transition),
        transform var(--transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.sf-theme-btn:hover {
    border-color: var(--primary);
    color: var(--primary-dark);
    background: var(--primary-100);
    box-shadow: 0 0 0 4px rgba(255, 179, 0, 0.15);
    transform: rotate(15deg) scale(1.08);
}

[data-theme="dark"] .sf-theme-btn {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--primary);
}

[data-theme="dark"] .sf-theme-btn:hover {
    background: rgba(255, 179, 0, 0.12);
    color: var(--primary-light);
}

/* Icon visibility controlled by theme */
.sf-theme-btn .icon-moon,
.sf-theme-btn .icon-sun {
    position: absolute;
    transition: opacity 0.25s ease, transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light mode: show moon, hide sun */
[data-theme="light"] .sf-theme-btn .icon-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

[data-theme="light"] .sf-theme-btn .icon-sun {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

/* Dark mode: show sun, hide moon */
[data-theme="dark"] .sf-theme-btn .icon-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

[data-theme="dark"] .sf-theme-btn .icon-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}