/* ==========================================================================
   RUF Briquetting Machines – IkoBriq
   ========================================================================== */

.iko-ruf {
    --r-green: #447248;
    --r-green-dark: #345838;
    --r-green-darker: #2a4529;
    --r-green-light: #e8f0e9;
    --r-orange: #F1941C;
    --r-orange-light: #fef3e2;
    --r-surface: #f9f8f4;
    --r-text: #3d3d3d;
    --r-text-light: #666;
    --r-border: #eae7df;
    --r-radius: 12px;
    --r-radius-sm: 8px;
    --r-radius-lg: 20px;
    --r-shadow: 0 4px 12px rgba(0,0,0,0.08);
    --r-shadow-hover: 0 12px 32px rgba(0,0,0,0.12);
    --r-font: 'Roboto', sans-serif;

    font-family: var(--r-font);
    color: var(--r-text);
    line-height: 1.7;
    overflow-x: hidden;
}

.ruf-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.ruf-section { padding: 88px 0; }

/* Shared heading styles */
.ruf-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--r-orange);
    margin-bottom: 12px;
}

.ruf-label--light { color: rgba(255,255,255,0.7); }

.ruf-heading {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--r-green-dark);
    line-height: 1.2;
    margin: 0 0 20px;
}

.ruf-heading span { color: var(--r-orange); }
.ruf-heading--center { text-align: center; }
.ruf-heading--light { color: #fff; }
.ruf-heading--light span { color: var(--r-orange); }

.ruf-subtext {
    text-align: center;
    max-width: 540px;
    margin: -8px auto 0;
    color: var(--r-text-light);
    font-size: 1.0625rem;
}

.ruf-section-header { margin-bottom: 48px; }


/* ── Buttons ─────────────────────────────────────────────────── */

.ruf-btn,
.ruf-btn:link,
.ruf-btn:visited {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 0.9375rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-radius: var(--r-radius-sm);
    text-decoration: none !important;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.ruf-btn:hover { transform: translateY(-2px); }

.ruf-btn--primary, .ruf-btn--primary:link, .ruf-btn--primary:visited {
    background: linear-gradient(135deg, var(--r-green), var(--r-green-dark));
    color: #fff !important;
}
.ruf-btn--primary:hover { box-shadow: 0 8px 24px rgba(68,114,72,0.35); color: #fff !important; }

.ruf-btn--secondary, .ruf-btn--secondary:link, .ruf-btn--secondary:visited {
    background: var(--r-green-light);
    color: var(--r-green-dark) !important;
}
.ruf-btn--secondary:hover { background: var(--r-green); color: #fff !important; }

.ruf-btn--outline, .ruf-btn--outline:link, .ruf-btn--outline:visited {
    background: transparent;
    color: #fff !important;
    border: 2px solid rgba(255,255,255,0.5);
}
.ruf-btn--outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; color: #fff !important; }

.ruf-btn--white, .ruf-btn--white:link, .ruf-btn--white:visited {
    background: #fff;
    color: var(--r-green-dark) !important;
}
.ruf-btn--white:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.2); color: var(--r-green-dark) !important; }

.ruf-btn--ghost, .ruf-btn--ghost:link, .ruf-btn--ghost:visited {
    background: transparent;
    color: rgba(255,255,255,0.9) !important;
    border: 1px solid rgba(255,255,255,0.3);
}
.ruf-btn--ghost:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); color: #fff !important; }

.ruf-btn--whatsapp, .ruf-btn--whatsapp:link, .ruf-btn--whatsapp:visited {
    background: #25D366;
    color: #fff !important;
    border: none;
}
.ruf-btn--whatsapp:hover { background: #1fb855; box-shadow: 0 6px 16px rgba(37,211,102,0.3); color: #fff !important; }

.ruf-btn--sm, .ruf-btn--sm:link, .ruf-btn--sm:visited {
    padding: 10px 20px;
    font-size: 0.75rem;
    background: linear-gradient(135deg, var(--r-green), var(--r-green-dark));
    color: #fff !important;
}
.ruf-btn--sm:hover { box-shadow: 0 6px 16px rgba(68,114,72,0.3); color: #fff !important; }

.ruf-btn:focus-visible { outline: 2px solid var(--r-orange); outline-offset: 3px; }


/* ==========================================================================
   HERO
   ========================================================================== */

.ruf-hero {
    position: relative;
    background: linear-gradient(160deg, var(--r-green-darker) 0%, var(--r-green-dark) 40%, var(--r-green) 100%);
    overflow: hidden;
}

.ruf-hero__overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 15% 85%, rgba(241,148,28,0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 85% 15%, rgba(255,255,255,0.06) 0%, transparent 50%);
    pointer-events: none;
}

.ruf-hero__inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
    padding: 80px 24px 64px;
}

@media (min-width: 768px) {
    .ruf-hero__inner {
        grid-template-columns: 1.1fr 0.9fr;
        padding: 100px 24px 80px;
        min-height: 520px;
    }
}

.ruf-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 8px 18px;
    border-radius: 100px;
    margin-bottom: 20px;
    border: 1px solid rgba(255,255,255,0.15);
}

.ruf-hero__title {
    color: #fff;
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.12;
    margin: 0 0 18px;
}

.ruf-hero__title span { color: var(--r-orange); }

.ruf-hero__text {
    color: rgba(255,255,255,0.8);
    font-size: clamp(1rem, 2vw, 1.125rem);
    max-width: 500px;
    margin: 0 0 28px;
}

.ruf-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* Hero image */
.ruf-hero__visual { display: flex; justify-content: center; }

.ruf-hero__image {
    width: 100%;
    max-width: 440px;
    height: auto;
    border-radius: var(--r-radius-lg);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    border: 3px solid rgba(255,255,255,0.1);
    object-fit: cover;
}

.ruf-hero__image-placeholder {
    width: 100%;
    max-width: 440px;
    aspect-ratio: 4 / 3;
    background: rgba(255,255,255,0.08);
    border-radius: var(--r-radius-lg);
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.25);
}

.ruf-hero__image-placeholder span { font-size: 0.75rem; font-weight: 600; }


/* ==========================================================================
   SERVICES
   ========================================================================== */

.ruf-services { background: #fff; }

.ruf-services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 600px) {
    .ruf-services__grid { grid-template-columns: repeat(2, 1fr); }
}

.ruf-service-card {
    background: var(--r-surface);
    border: 1px solid var(--r-border);
    border-radius: var(--r-radius);
    padding: 32px 28px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s ease;
}

.ruf-service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--r-green), var(--r-orange));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
}

.ruf-service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--r-shadow-hover);
}

.ruf-service-card:hover::after { transform: scaleX(1); }

.ruf-service-card__num {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--r-green-light);
    line-height: 1;
    opacity: 0.6;
}

.ruf-service-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--r-green-light);
    color: var(--r-green);
    border-radius: 14px;
    margin-bottom: 18px;
    transition: background 0.3s ease, color 0.3s ease;
}

.ruf-service-card:hover .ruf-service-card__icon {
    background: var(--r-green);
    color: #fff;
}

.ruf-service-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--r-green-dark);
    margin: 0 0 10px;
}

.ruf-service-card > p {
    font-size: 0.9375rem;
    color: var(--r-text-light);
    margin: 0 0 16px;
    line-height: 1.6;
}

.ruf-service-card__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ruf-service-card__list li {
    font-size: 0.8125rem;
    color: var(--r-text);
    padding-left: 22px;
    position: relative;
    line-height: 1.5;
}

.ruf-service-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 14px;
    height: 14px;
    background: var(--r-green-light);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%23447248' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 10px;
}


/* ==========================================================================
   WHY CHOOSE US
   ========================================================================== */

.ruf-why { background: var(--r-surface); }

.ruf-why__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

@media (min-width: 768px) {
    .ruf-why__grid { grid-template-columns: 0.9fr 1.1fr; align-items: start; }
}

.ruf-why__content p {
    font-size: 1.0625rem;
    margin: 0;
    color: var(--r-text-light);
}

.ruf-why__features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 480px) {
    .ruf-why__features { grid-template-columns: 1fr 1fr; }
}

.ruf-feature {
    display: flex;
    gap: 14px;
    padding: 20px;
    background: #fff;
    border: 1px solid var(--r-border);
    border-radius: var(--r-radius);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ruf-feature:hover {
    transform: translateY(-3px);
    box-shadow: var(--r-shadow);
}

.ruf-feature__icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--r-green-light);
    color: var(--r-green);
    border-radius: 10px;
}

.ruf-feature h4 {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--r-green-dark);
    margin: 0 0 4px;
}

.ruf-feature p {
    font-size: 0.8125rem;
    color: var(--r-text-light);
    margin: 0;
    line-height: 1.5;
}


/* ==========================================================================
   PROCESS
   ========================================================================== */

.ruf-process {
    background: linear-gradient(160deg, var(--r-green-darker) 0%, var(--r-green-dark) 40%, var(--r-green) 100%);
    position: relative;
    overflow: hidden;
}

.ruf-process::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 80% 20%, rgba(241,148,28,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.ruf-process__track {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    position: relative;
}

@media (min-width: 768px) {
    .ruf-process__track {
        grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
        align-items: start;
        gap: 0;
    }
}

.ruf-process__step { text-align: center; padding: 0 12px; }

.ruf-process__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(255,255,255,0.1);
    border: 2px solid var(--r-orange);
    color: var(--r-orange);
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: 50%;
    margin-bottom: 16px;
    transition: background 0.3s ease;
}

.ruf-process__step:hover .ruf-process__num {
    background: var(--r-orange);
    color: #fff;
}

.ruf-process__step h3 {
    color: #fff;
    font-size: 1.0625rem;
    font-weight: 700;
    margin: 0 0 8px;
}

.ruf-process__step p {
    color: rgba(255,255,255,0.7);
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.6;
}

.ruf-process__connector { display: none; }

@media (min-width: 768px) {
    .ruf-process__connector {
        display: flex;
        align-items: center;
        justify-content: center;
        padding-top: 28px;
    }

    .ruf-process__connector::before {
        content: '';
        width: 40px;
        height: 2px;
        background: rgba(255,255,255,0.2);
    }
}


/* ==========================================================================
   RELATED PRODUCTS
   ========================================================================== */

.ruf-products { background: #fff; }

.ruf-products__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 600px) {
    .ruf-products__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .ruf-products__grid { grid-template-columns: repeat(3, 1fr); }
}

.ruf-product-card {
    background: var(--r-surface);
    border: 1px solid var(--r-border);
    border-radius: var(--r-radius);
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s ease;
}

.ruf-product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--r-shadow-hover);
}

.ruf-product-card__image-link,
.ruf-product-card__image-link:link,
.ruf-product-card__image-link:visited {
    display: block;
    aspect-ratio: 1/1;
    overflow: hidden;
    background: var(--r-green-light);
    text-decoration: none !important;
}

.ruf-product-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.ruf-product-card:hover .ruf-product-card__image {
    transform: scale(1.05);
}

.ruf-product-card__body { padding: 20px; }

.ruf-product-card__title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 6px;
}

.ruf-product-card__title a,
.ruf-product-card__title a:link,
.ruf-product-card__title a:visited {
    color: var(--r-green-dark) !important;
    text-decoration: none !important;
    transition: color 0.2s ease;
}

.ruf-product-card__title a:hover { color: var(--r-orange) !important; }

.ruf-product-card__price {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--r-orange);
    margin-bottom: 14px;
}

.ruf-product-card__price del { opacity: 0.5; font-size: 0.85em; }
.ruf-product-card__price ins { text-decoration: none; }

.ruf-products__cta { text-align: center; margin-top: 40px; }


/* ==========================================================================
   CTA
   ========================================================================== */

.ruf-cta {
    background: var(--r-surface);
    padding: 96px 0;
}

.ruf-cta__inner {
    background: linear-gradient(160deg, var(--r-green-darker), var(--r-green-dark) 50%, var(--r-green));
    border-radius: var(--r-radius-lg);
    padding: 64px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.ruf-cta__inner::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 10% 90%, rgba(241,148,28,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 10%, rgba(255,255,255,0.06) 0%, transparent 50%);
    pointer-events: none;
}

.ruf-cta__title {
    color: #fff;
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 14px;
    position: relative;
}

.ruf-cta__title span { color: var(--r-orange); }

.ruf-cta__text {
    color: rgba(255,255,255,0.75);
    max-width: 560px;
    margin: 0 auto 32px;
    font-size: 1.0625rem;
    position: relative;
}

.ruf-cta__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    position: relative;
}


/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 600px) {
    .ruf-section { padding: 64px 0; }
    .ruf-hero__inner { padding: 60px 20px 50px; }
    .ruf-hero__actions { flex-direction: column; }
    .ruf-hero__actions .ruf-btn { text-align: center; justify-content: center; }
    .ruf-cta__inner { padding: 48px 24px; }
    .ruf-cta__actions { flex-direction: column; align-items: stretch; }
    .ruf-cta__actions .ruf-btn { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
    .ruf-service-card,
    .ruf-feature,
    .ruf-product-card,
    .ruf-product-card__image,
    .ruf-process__num,
    .ruf-btn {
        transition: none !important;
        transform: none !important;
    }
    .ruf-service-card::after { transition: none !important; }
}