/* ==========================================================================
   PKV GROUP — Master Stylesheet
   A premium, elegant design system for pkvgroups.in
   ========================================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
    --pkv-green: #0A8F24;
    --pkv-green-dark: #077A1D;
    --pkv-green-light: #E8F5E9;
    --pkv-dark: #111111;
    --pkv-charcoal: #1C1C1C;
    --pkv-body: #333333;
    --pkv-muted: #6C757D;
    --pkv-light-bg: #F8F9FA;
    --pkv-border: #E9ECEF;
    --pkv-white: #FFFFFF;
    --pkv-gold: #C9A84C;
    --font-heading: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.10);
    --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 6px 24px rgba(0,0,0,0.06);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Base & Typography ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    color: var(--pkv-body);
    background-color: var(--pkv-white);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--pkv-dark);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

p {
    line-height: 1.8;
    color: #555;
}

a {
    text-decoration: none;
    color: var(--pkv-green);
    transition: var(--transition);
}

a:hover {
    color: var(--pkv-green-dark);
}

img {
    max-width: 100%;
    height: auto;
}

::selection {
    background: var(--pkv-green);
    color: var(--pkv-white);
}

/* ---------- Utility Classes ---------- */
.font-sm { font-size: 0.875rem; }
.font-xs { font-size: 0.75rem; }
.tracking-wide { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.12em; }
.line-height-tight { line-height: 1.1; }
.max-w-2xl { max-width: 680px; }
.space-y-3 li { margin-bottom: 0.75rem; }
.space-y-4 li { margin-bottom: 1rem; }
.object-fit-cover { object-fit: cover; }
.z-n1 { z-index: -1; }

/* ---------- Custom Scrollbar ---------- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #bbb; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--pkv-green); }

/* ==========================================================================
   HEADER / NAVIGATION
   ========================================================================== */
.header-main {
    background: rgba(255,255,255,0.97) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.04);
    z-index: 1050;
    transition: var(--transition);
}

.header-main .navbar {
    padding-top: 0.8rem;
    padding-bottom: 0.8rem;
}

.brand-text {
    font-weight: 800 !important;
    font-size: 1.6rem !important;
    letter-spacing: -0.02em;
}

.navbar-nav .nav-link {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--pkv-body) !important;
    padding: 0.5rem 1rem !important;
    position: relative;
    transition: var(--transition);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--pkv-green);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 60%;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--pkv-green) !important;
}

.navbar-nav .dropdown-toggle::after {
    border: none;
    content: '▾';
    font-size: 0.65rem;
    margin-left: 0.3rem;
    vertical-align: middle;
}

.dropdown-menu {
    border: 1px solid rgba(0,0,0,0.05) !important;
    box-shadow: var(--shadow-lg) !important;
    border-radius: var(--radius-md) !important;
    padding: 0.5rem;
    min-width: 240px;
    animation: dropdownFade 0.25s ease;
}

@keyframes dropdownFade {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-menu .dropdown-item {
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--pkv-body);
    transition: var(--transition);
}

.dropdown-menu .dropdown-item:hover,
.dropdown-menu .dropdown-item.active {
    background: var(--pkv-green-light);
    color: var(--pkv-green);
}

/* CTA Button in Nav */
.header-main .btn {
    font-size: 0.82rem;
    letter-spacing: 0.03em;
    padding: 0.55rem 1.6rem;
    font-weight: 700;
    transition: var(--transition);
}

/* ==========================================================================
   HERO SECTIONS
   ========================================================================== */
.hero-slider-section .swiper-slide {
    overflow: hidden;
}

.hero-slider-section .swiper-slide img {
    transition: transform 8s ease;
}

.hero-slider-section .swiper-slide-active img {
    transform: scale(1.08);
}

.hero-slider-section h1 {
    color: #fff;
    text-shadow: 0 2px 30px rgba(0,0,0,0.3);
}

/* Swiper overrides */
.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(255,255,255,0.5);
    opacity: 1;
    transition: var(--transition);
}
.swiper-pagination-bullet-active {
    background: var(--pkv-green);
    width: 32px;
    border-radius: 6px;
}

.swiper-button-next,
.swiper-button-prev {
    color: rgba(255,255,255,0.7) !important;
    transition: var(--transition);
}
.swiper-button-next:hover,
.swiper-button-prev:hover {
    color: var(--pkv-white) !important;
}

.swiper-button-next::after,
.swiper-button-prev::after {
    font-size: 1.2rem !important;
    font-weight: bold;
}

/* Inner page hero */
.page-hero {
    position: relative;
    height: 55vh;
    min-height: 380px;
    max-height: 550px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.page-hero img {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: 0;
}

.page-hero .hero-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
}

.page-hero .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    max-width: 800px;
    padding: 0 2rem;
}

.page-hero h1 {
    color: #fff;
    font-size: clamp(2rem, 5vw, 3.2rem);
    text-shadow: 0 2px 20px rgba(0,0,0,0.25);
    margin-bottom: 1rem;
}

.page-hero .lead {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255,255,255,0.75);
    font-weight: 400;
}

.page-hero .badge {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    padding: 0.5rem 1.2rem;
}

/* ==========================================================================
   SECTION STYLING
   ========================================================================== */
section {
    position: relative;
}

.section-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--pkv-green);
    display: inline-block;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--pkv-dark);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--pkv-muted);
    max-width: 640px;
    margin: 0 auto 2rem;
}

/* ==========================================================================
   CARDS — Service / Vertical cards
   ========================================================================== */
.card {
    border: 1px solid var(--pkv-border) !important;
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent !important;
}

.card .card-img-top {
    transition: transform 0.6s ease;
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

.card-body h4 {
    font-size: 1.15rem;
    font-weight: 700;
}

.card-body p {
    font-size: 0.9rem;
    line-height: 1.65;
}

/* Icon cards (services pages) */
.icon-card {
    background: var(--pkv-white);
    border: 1px solid var(--pkv-border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition);
    height: 100%;
}

.icon-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--pkv-green);
}

.icon-card .icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    transition: var(--transition);
}

.icon-card:hover .icon-wrap {
    transform: scale(1.1);
}

.icon-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.icon-card p {
    font-size: 0.88rem;
    color: var(--pkv-muted);
    line-height: 1.6;
}

/* ==========================================================================
   CORE VALUES (Homepage dark section)
   ========================================================================== */
.values-section {
    background: linear-gradient(135deg, #111 0%, #1a1a1a 100%);
}

.value-box {
    border: 1px solid rgba(255,255,255,0.08) !important;
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    height: 100%;
    transition: var(--transition);
    background: rgba(255,255,255,0.02);
}

.value-box:hover {
    border-color: var(--pkv-green) !important;
    background: rgba(10,143,36,0.06);
    transform: translateY(-4px);
}

.value-box i {
    font-size: 2rem;
    color: var(--pkv-green);
    margin-bottom: 1rem;
    display: block;
}

.value-box h5 {
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.value-box p {
    color: rgba(255,255,255,0.5);
    font-size: 0.82rem;
    margin-bottom: 0;
    line-height: 1.5;
}

/* ==========================================================================
   CONTACT FORM SECTION
   ========================================================================== */
.contact-section {
    position: relative;
}

.form-wrapper {
    background: var(--pkv-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--pkv-border);
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.form-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--pkv-green);
}

.form-wrapper.accent-red::before { background: #dc3545; }
.form-wrapper.accent-dark::before { background: #333; }
.form-wrapper.accent-gray::before { background: #6c757d; }
.form-wrapper.accent-blue::before { background: #0d6efd; }
.form-wrapper.accent-orange::before { background: #e67e22; }

.form-wrapper h2 {
    font-size: 1.6rem;
    font-weight: 800;
}

.form-wrapper p {
    color: var(--pkv-muted);
    font-size: 0.95rem;
}

.form-control,
.form-select {
    border: 1px solid var(--pkv-border) !important;
    background: var(--pkv-light-bg) !important;
    border-radius: var(--radius-sm) !important;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: var(--transition);
    color: var(--pkv-body);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--pkv-green) !important;
    box-shadow: 0 0 0 3px rgba(10,143,36,0.12) !important;
    background: var(--pkv-white) !important;
}

.form-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--pkv-muted);
    margin-bottom: 0.4rem;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    font-family: var(--font-body);
    font-weight: 700;
    border-radius: 50px;
    padding: 0.7rem 2rem;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    transition: var(--transition);
    border: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn-pkv {
    background: var(--pkv-green);
    color: var(--pkv-white);
}

.btn-pkv:hover {
    background: var(--pkv-green-dark);
    color: var(--pkv-white);
}

.btn-pkv-outline {
    background: transparent;
    border: 2px solid var(--pkv-dark);
    color: var(--pkv-dark);
}

.btn-pkv-outline:hover {
    background: var(--pkv-dark);
    color: var(--pkv-white);
}

.btn-pkv-white {
    background: var(--pkv-white);
    color: var(--pkv-dark);
}

.btn-pkv-white:hover {
    background: var(--pkv-green);
    color: var(--pkv-white);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
    background: var(--pkv-charcoal);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--pkv-green) 0%, var(--pkv-gold) 100%);
}

footer h5 {
    color: var(--pkv-white);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

footer a {
    color: rgba(255,255,255,0.55);
    transition: var(--transition);
}

footer a:hover {
    color: var(--pkv-green);
    padding-left: 4px;
}

footer .footer-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: #fff;
    display: inline-block;
    margin-bottom: 1rem;
}

footer hr {
    border-color: rgba(255,255,255,0.08);
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-1 { transition-delay: 0.08s; }
.stagger-2 { transition-delay: 0.16s; }
.stagger-3 { transition-delay: 0.24s; }
.stagger-4 { transition-delay: 0.32s; }
.stagger-5 { transition-delay: 0.40s; }
.stagger-6 { transition-delay: 0.48s; }
.delay-100 { transition-delay: 0.12s; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--pkv-white);
        padding: 1.5rem;
        border-radius: var(--radius-lg);
        margin-top: 1rem;
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--pkv-border);
    }

    .navbar-nav .nav-link::after {
        display: none;
    }

    .form-wrapper {
        padding: 2rem 1.5rem;
    }

    .page-hero {
        height: 45vh;
        min-height: 320px;
    }
}

@media (max-width: 575.98px) {
    .form-wrapper {
        padding: 1.5rem 1.25rem;
    }

    .page-hero h1 {
        font-size: 1.8rem;
    }
}

/* ==========================================================================
   MISC / OVERRIDES
   ========================================================================== */
/* Smooth rounded images */
.rounded-4 { border-radius: var(--radius-lg) !important; }
.rounded-5 { border-radius: var(--radius-xl) !important; }

/* About section image treatment */
.about-image {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

/* Counter-like stats (if used) */
.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--pkv-green);
    line-height: 1;
}

.stat-label {
    font-size: 0.82rem;
    color: var(--pkv-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}