/**
 * KF Cooling Co. — Homepage Styles
 *
 * @package KF_Cooling
 */

/* ── Hero Section ─────────────────────────────────────── */
.kf-hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #003293 0%, #001D5C 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.kf-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 50, 147, 0.92) 0%, rgba(0, 29, 92, 0.85) 100%);
    z-index: 1;
}

.kf-hero__content {
    position: relative;
    z-index: 2;
    padding: 60px 20px;
}

.kf-hero__text {
    max-width: 700px;
}

.kf-hero__badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 50px;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
}

.kf-hero__title {
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.kf-hero__subtitle {
    font-size: 1.1875rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 550px;
}

.kf-hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ── Stats Section ────────────────────────────────────── */
.kf-stats {
    position: relative;
    z-index: 3;
    margin-top: -50px;
}

.kf-stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.kf-stats__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 36px 20px;
    text-align: center;
    border-right: 1px solid var(--border);
}

.kf-stats__item:last-child {
    border-right: none;
}

.kf-stats__number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}

.kf-stats__label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ── Services Section ─────────────────────────────────── */
.kf-services .kf-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-top: 16px;
    transition: all var(--transition);
}

.kf-services .kf-card:hover .kf-card__link {
    gap: 10px;
}

/* ── Portfolio / Recent Work ──────────────────────────── */
.kf-portfolio-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.kf-portfolio-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.kf-portfolio-card__image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 2;
}

.kf-portfolio-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.kf-portfolio-card:hover .kf-portfolio-card__image img {
    transform: scale(1.05);
}

.kf-portfolio-card__tag {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 14px;
    background: var(--primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 50px;
}

.kf-portfolio-card__content {
    padding: 20px 24px;
}

.kf-portfolio-card__title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
}

/* ── Why Choose Us ────────────────────────────────────── */
.kf-why-us__layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.kf-why-us__header .kf-section-desc {
    margin-bottom: 0;
}

.kf-why-us__values {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.kf-why-us__item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.kf-why-us__item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.kf-why-us__icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    color: var(--primary);
}

.kf-why-us__text h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.kf-why-us__text p {
    font-size: 0.9375rem;
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

/* ── Process Steps ────────────────────────────────────── */
.kf-process-step {
    position: relative;
    text-align: center;
    padding: 40px 24px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.kf-process-step:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.kf-process-step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: #fff;
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: 50%;
    margin-bottom: 20px;
}

.kf-process-step__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.kf-process-step__text {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

.kf-process-step__arrow {
    position: absolute;
    top: 50%;
    right: -32px;
    transform: translateY(-50%);
    color: var(--primary);
    opacity: 0.4;
    display: none;
}

/* ── CTA Band ─────────────────────────────────────────── */
.kf-cta-band {
    position: relative;
    padding: 80px 0;
    background: linear-gradient(135deg, #003293 0%, #001D5C 100%);
    text-align: center;
    overflow: hidden;
}

.kf-cta-band__overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60" viewBox="0 0 60 60"><circle cx="30" cy="30" r="1.5" fill="rgba(255,255,255,0.05)"/></svg>') repeat;
}

.kf-cta-band__content {
    position: relative;
    z-index: 1;
}

.kf-cta-band__title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}

.kf-cta-band__text {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

.kf-cta-band__actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* White button variant for CTA band */
.kf-btn--white {
    background: #fff;
    color: var(--primary-dark);
    border-color: #fff;
}

.kf-btn--white:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ── Blog Preview ─────────────────────────────────────── */
.kf-blog-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

.kf-blog-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.kf-blog-card__image {
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.kf-blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.kf-blog-card:hover .kf-blog-card__image img {
    transform: scale(1.05);
}

.kf-blog-card__content {
    padding: 24px;
}

.kf-blog-card__meta {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.kf-blog-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.kf-blog-card__title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color var(--transition);
}

.kf-blog-card__title a:hover {
    color: var(--primary);
}

.kf-blog-card__excerpt {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.kf-blog-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: gap var(--transition);
}

.kf-blog-card__link:hover {
    gap: 10px;
}

.kf-mt-lg {
    margin-top: 48px;
}