/* P&D Industries - Modern Industrial Website */
/* Premium MSME engineering company design */

:root {
    --primary: #0f4c81;
    --primary-dark: #0a3a62;
    --primary-light: #1a6bb3;
    --accent: #2563eb;
    --grey-50: #f9fafb;
    --grey-100: #f3f4f6;
    --grey-200: #e5e7eb;
    --grey-300: #d1d5db;
    --grey-400: #9ca3af;
    --grey-500: #6b7280;
    --grey-600: #4b5563;
    --grey-700: #374151;
    --grey-800: #1f2937;
    --grey-900: #111827;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--grey-800);
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius);
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

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

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

.btn-full { width: 100%; }
.btn-nav { padding: 0.5rem 1rem; font-size: 0.9rem; }

/* NAVBAR */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--grey-200);
    box-shadow: var(--shadow-sm);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--grey-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--grey-700);
}

/* HERO */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--grey-100) 0%, var(--grey-200) 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.7) 50%, transparent 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 0;
}

.hero-text h1 {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--grey-900);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--grey-600);
    margin-bottom: 0.5rem;
}

.hero-location {
    font-size: 0.95rem;
    color: var(--grey-500);
    font-weight: 500;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-visual {
    position: relative;
}

.hero-image-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-image-wrap img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Section common */
.section {
    padding: 5rem 0;
}

.section:nth-child(even) {
    background: var(--grey-50);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--grey-900);
    text-align: center;
    margin-bottom: 3rem;
}

/* ABOUT */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 3rem;
}

.about-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--grey-900);
    margin-bottom: 1rem;
}

.about-lead {
    font-size: 1.1rem;
    color: var(--grey-600);
    margin-bottom: 1.5rem;
}

.about-list {
    list-style: none;
}

.about-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--grey-600);
}

.about-list li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.about-image-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.about-image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.about-mini-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--grey-200);
    transition: all var(--transition);
}

.about-mini-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.mini-card-icon {
    color: var(--primary);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.about-mini-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--grey-900);
    margin-bottom: 0.5rem;
}

.about-mini-card p {
    font-size: 0.9rem;
    color: var(--grey-600);
}

/* CAPABILITIES */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

.cap-card {
    background: var(--white);
    padding: 2rem 1.5rem;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--grey-200);
    transition: all var(--transition);
}

.cap-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
    transform: translateY(-4px);
}

.cap-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.cap-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--grey-900);
    margin-bottom: 0.5rem;
}

.cap-card p {
    font-size: 0.85rem;
    color: var(--grey-500);
}

/* PRODUCTS */
.products-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.products-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.product-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--grey-200);
}

.product-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1rem;
}

.product-card ul {
    list-style: none;
}

.product-card li {
    padding: 0.35rem 0;
    padding-left: 1.25rem;
    position: relative;
    color: var(--grey-600);
}

.product-card li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary);
}

.product-image-card {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.product-image-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

/* INDUSTRIES */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.industry-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--grey-200);
    transition: all var(--transition);
}

.industry-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.industry-icon {
    font-size: 1.5rem;
    display: block;
    margin-bottom: 0.75rem;
}

.industry-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--grey-800);
}

/* PACKAGING */
.packaging-showcase {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.pack-card {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 2rem;
    align-items: center;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--grey-200);
    transition: all var(--transition);
}

.pack-card:hover {
    box-shadow: var(--shadow);
}

.pack-card:nth-child(even) {
    direction: rtl;
}

.pack-card:nth-child(even) > * {
    direction: ltr;
}

.pack-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.pack-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pack-body {
    padding: 1.5rem 2rem;
}

.pack-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.pack-body p {
    font-size: 0.95rem;
    color: var(--grey-600);
}

/* GALLERY */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

/* WHY CHOOSE */
.section.why-choose {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
    min-height: 300px;
}

.why-choose .section-title {
    color: var(--white);
}

.why-strip {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

.why-card {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid rgba(255,255,255,0.2);
    transition: all var(--transition);
}

.why-card:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}

.why-icon {
    display: block;
    color: #4ade80;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.why-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
}

/* INFRASTRUCTURE */
.infra-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.infra-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--grey-900);
    margin-bottom: 1.5rem;
}

.infra-list {
    list-style: none;
}

.infra-list li {
    padding: 0.6rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--grey-600);
}

.infra-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.infra-image-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.infra-image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* QUALITY */
.quality-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.quality-image-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.quality-image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.quality-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--grey-900);
    margin-bottom: 1.5rem;
}

.quality-list {
    list-style: none;
}

.quality-list li {
    padding: 0.6rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--grey-600);
}

.quality-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* CLIENTS */
.clients-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.clients-grid span {
    background: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--grey-700);
    border: 1px solid var(--grey-200);
}

/* CONTACT */
.contact {
    padding: 0;
}

.contact-wrapper {
    position: relative;
    min-height: 600px;
    overflow: hidden;
}

.contact-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.2;
}

.contact-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.contact-inner {
    position: relative;
    z-index: 2;
    padding: 4rem 0;
}

.contact-inner .section-title {
    color: var(--white);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.contact-item {
    margin-bottom: 1rem;
}

.contact-item strong {
    display: block;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--white);
    font-size: 0.95rem;
}

.contact-item a {
    color: var(--white);
    text-decoration: underline;
}

.contact-download {
    margin-top: 1rem;
    color: var(--white) !important;
    border-color: var(--white) !important;
}

.contact-download:hover {
    background: var(--white) !important;
    color: var(--primary) !important;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--grey-200);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* FOOTER */
.footer {
    background: var(--grey-900);
    color: var(--grey-400);
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    font-size: 0.9rem;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .capabilities-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .why-strip {
        grid-template-columns: repeat(3, 1fr);
    }

    .pack-card {
        grid-template-columns: 1fr;
    }

    .pack-card:nth-child(even) {
        direction: ltr;
    }
}

@media (max-width: 900px) {
    .nav-links,
    .navbar-inner .btn {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .navbar.open .navbar-inner {
        flex-wrap: wrap;
    }

    .navbar.open .nav-links {
        display: flex;
        flex-direction: column;
        width: 100%;
        order: 10;
        padding-top: 1rem;
        border-top: 1px solid var(--grey-200);
        margin-top: 0.5rem;
    }

    .navbar.open .navbar-inner .btn {
        display: inline-flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-cards {
        grid-template-columns: 1fr;
    }

    .products-layout {
        grid-template-columns: 1fr;
    }

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

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

    .infra-grid,
    .quality-grid {
        grid-template-columns: 1fr;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .hero {
        min-height: auto;
    }

    .hero-text h1 {
        font-size: 1.75rem;
    }

    .section {
        padding: 3rem 0;
    }

    .capabilities-grid {
        grid-template-columns: 1fr;
    }

    .industries-grid {
        grid-template-columns: 1fr;
    }

    .why-strip {
        grid-template-columns: 1fr;
    }

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