/* ========================================
   Deepa Sharma & Associates - Main Stylesheet
   Modern, Professional, SEO-Optimized
   ======================================== */

/* CSS Custom Properties */
:root {
    --color-primary: #1B3A5C;
    --color-primary-dark: #132a42;
    --color-primary-light: #2a5a8c;
    --color-secondary: #C8A951;
    --color-secondary-light: #e0c76e;
    --color-accent: #0F7B6C;
    --color-text: #2D3748;
    --color-text-light: #718096;
    --color-text-white: #ffffff;
    --color-bg: #ffffff;
    --color-bg-gray: #F7F8FC;
    --color-bg-dark: #0F1B2D;
    --color-border: #E2E8F0;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
    --container-max: 1200px;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.7;
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); line-height: 1.3; color: var(--color-primary); }

/* Container */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }

/* Section */
.section { padding: 5rem 0; }
.section--gray { background: var(--color-bg-gray); }
.section__header { text-align: center; max-width: 700px; margin: 0 auto 3rem; }
.section__label {
    display: inline-block; font-size: 0.85rem; font-weight: 600;
    color: var(--color-secondary); text-transform: uppercase;
    letter-spacing: 2px; margin-bottom: 0.75rem;
}
.section__title { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: 1rem; }
.section__desc { color: var(--color-text-light); font-size: 1.05rem; }
.section__cta { text-align: center; margin-top: 2.5rem; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-family: var(--font-primary); font-weight: 600; font-size: 0.95rem;
    padding: 0.75rem 1.75rem; border-radius: var(--radius-sm);
    border: 2px solid transparent; cursor: pointer; transition: var(--transition);
    text-align: center; white-space: nowrap;
}
.btn--primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn--primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn--outline:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }
.btn--white { background: #fff; color: var(--color-primary); border-color: #fff; }
.btn--white:hover { background: var(--color-secondary); color: var(--color-primary); border-color: var(--color-secondary); }
.btn--outline-white { background: transparent; color: #fff; border-color: #fff; }
.btn--outline-white:hover { background: #fff; color: var(--color-primary); }
.btn--sm { padding: 0.5rem 1.25rem; font-size: 0.85rem; }
.btn--lg { padding: 1rem 2rem; font-size: 1rem; }

/* Text Gradient */
.text-gradient {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Header / Navigation */
.header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    background: rgba(255,255,255,0.97); backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.nav__logo img { height: 55px; width: auto; }
.nav__menu { display: flex; align-items: center; gap: 0.25rem; }
.nav__link {
    display: flex; align-items: center; gap: 4px;
    padding: 0.5rem 1rem; font-size: 0.9rem; font-weight: 500;
    color: var(--color-text); border-radius: var(--radius-sm);
}
.nav__link:hover, .nav__link.active { color: var(--color-primary); background: var(--color-bg-gray); }
.nav__dropdown { position: relative; }
.nav__dropdown-menu {
    position: absolute; top: 100%; left: 0; min-width: 260px;
    background: #fff; border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg); padding: 0.75rem 0;
    opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: var(--transition);
}
.nav__dropdown:hover .nav__dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__dropdown-menu a {
    display: block; padding: 0.6rem 1.25rem; font-size: 0.88rem;
    color: var(--color-text); transition: var(--transition);
}
.nav__dropdown-menu a:hover { background: var(--color-bg-gray); color: var(--color-primary); }
.nav__actions { display: flex; align-items: center; gap: 1rem; }
.nav__toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--color-text); margin: 5px 0; transition: var(--transition); }

/* Hero Section */
.hero {
    padding: 8rem 0 5rem; min-height: 90vh;
    display: flex; align-items: center;
    background: linear-gradient(160deg, #f8faff 0%, #eef2f9 40%, #f0ece3 100%);
    overflow: hidden;
}
.hero .container { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: center; }
.hero__badge {
    display: inline-block; padding: 0.4rem 1rem; font-size: 0.8rem;
    font-weight: 600; color: var(--color-primary); background: rgba(27,58,92,0.08);
    border-radius: 50px; margin-bottom: 1.5rem; letter-spacing: 0.5px;
}
.hero__image-mobile { display: none; }
.hero__title { font-size: clamp(2rem, 5vw, 3.25rem); margin-bottom: 1.5rem; }
.hero__subtitle { font-size: 1.1rem; color: var(--color-text-light); margin-bottom: 2rem; max-width: 540px; }
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.hero__stats { display: flex; gap: 2rem; flex-wrap: wrap; }
.hero__stat { text-align: center; }
.hero__stat strong { display: block; font-size: 1.5rem; color: var(--color-primary); font-family: var(--font-heading); }
.hero__stat span { font-size: 0.8rem; color: var(--color-text-light); }
.hero__image { position: relative; }
.hero__image::before {
    content: '';
    position: absolute;
    inset: -20px;
    background: linear-gradient(135deg, rgba(200,169,81,0.15) 0%, rgba(27,58,92,0.1) 100%);
    border-radius: var(--radius-lg);
    z-index: 0;
}
.hero__image img {
    position: relative;
    z-index: 1;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    object-fit: cover;
    max-height: 680px;
    width: 100%;
    min-height: 500px;
    border: 5px solid rgba(255,255,255,0.8);
}

/* About Preview */
.about-preview__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-preview__image img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.about-preview__content .section__label { margin-bottom: 0.5rem; }
.about-preview__content .section__title { text-align: left; margin-bottom: 1rem; }
.about-preview__content p { color: var(--color-text-light); margin-bottom: 1.5rem; }
.about-preview__features { margin-bottom: 2rem; }
.about-preview__features li {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.5rem 0; font-size: 0.95rem;
}

/* Service Cards */
.services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.service-card {
    background: #fff; padding: 2rem; border-radius: var(--radius-md);
    border: 1px solid var(--color-border); transition: var(--transition);
}
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card__icon {
    width: 60px; height: 60px; display: flex; align-items: center; justify-content: center;
    background: var(--color-bg-gray); border-radius: var(--radius-sm);
    color: var(--color-primary); margin-bottom: 1.25rem;
}
.service-card:hover .service-card__icon { background: var(--color-primary); color: #fff; }
.service-card__title { font-size: 1.15rem; margin-bottom: 0.75rem; font-family: var(--font-primary); font-weight: 600; }
.service-card__desc { font-size: 0.9rem; color: var(--color-text-light); margin-bottom: 1rem; line-height: 1.6; }
.service-card__link { font-size: 0.9rem; font-weight: 600; color: var(--color-primary); }
.service-card__link:hover { color: var(--color-secondary); }

/* Why Us */
.why-us__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.why-us__card {
    padding: 2rem; border-radius: var(--radius-md);
    background: var(--color-bg-gray); border: 1px solid var(--color-border);
    transition: var(--transition);
}
.why-us__card:hover { background: var(--color-primary); color: #fff; transform: translateY(-5px); }
.why-us__card:hover h3 { color: #fff; }
.why-us__card:hover p { color: rgba(255,255,255,0.8); }
.why-us__number { font-size: 2rem; font-weight: 700; color: var(--color-secondary); margin-bottom: 1rem; font-family: var(--font-heading); }
.why-us__card h3 { font-size: 1.1rem; margin-bottom: 0.75rem; font-family: var(--font-primary); font-weight: 600; color: var(--color-primary); }
.why-us__card p { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.6; }

/* Industries */
.industries__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.industry-card {
    padding: 2rem; background: #fff; border-radius: var(--radius-md);
    border: 1px solid var(--color-border); transition: var(--transition);
}
.industry-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.industry-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; font-family: var(--font-primary); font-weight: 600; color: var(--color-primary); }
.industry-card p { font-size: 0.88rem; color: var(--color-text-light); line-height: 1.6; }

/* Testimonials */
.testimonials__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.testimonial-card {
    background: #fff; padding: 2rem; border-radius: var(--radius-md);
    border: 1px solid var(--color-border); transition: var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); }
.testimonial-card__stars { color: var(--color-secondary); font-size: 1.1rem; margin-bottom: 1rem; }
.testimonial-card__quote { font-size: 0.92rem; color: var(--color-text-light); line-height: 1.7; margin-bottom: 1.5rem; font-style: italic; }
.testimonial-card__author strong { display: block; font-size: 0.95rem; color: var(--color-text); }
.testimonial-card__author span { font-size: 0.82rem; color: var(--color-text-light); }

/* CTA Section */
.cta { padding: 4rem 0; }
.cta__box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 4rem 3rem; border-radius: var(--radius-lg); text-align: center;
}
.cta__box h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.25rem); margin-bottom: 1rem; }
.cta__box p { color: rgba(255,255,255,0.8); font-size: 1.05rem; margin-bottom: 2rem; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Footer */
.footer { background: var(--color-bg-dark); color: rgba(255,255,255,0.75); padding: 4rem 0 2rem; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 2.5rem; margin-bottom: 3rem; }
.footer__about p { font-size: 0.88rem; margin-top: 1rem; line-height: 1.7; }
.footer__about img { margin-bottom: 0.5rem; }
.footer__social { display: flex; gap: 0.75rem; margin-top: 1.25rem; }
.footer__social a {
    width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.1); border-radius: 50%; color: #fff; transition: var(--transition);
}
.footer__social a:hover { background: var(--color-secondary); }
.footer__links h4, .footer__contact h4 { color: #fff; font-size: 1rem; margin-bottom: 1rem; font-family: var(--font-primary); font-weight: 600; }
.footer__links ul li { margin-bottom: 0.5rem; }
.footer__links ul a { font-size: 0.88rem; color: rgba(255,255,255,0.7); }
.footer__links ul a:hover { color: var(--color-secondary); }
.footer__contact ul li { display: flex; align-items: flex-start; gap: 0.75rem; margin-bottom: 0.75rem; font-size: 0.88rem; }
.footer__contact ul li svg { flex-shrink: 0; margin-top: 3px; color: var(--color-secondary); }
.footer__contact a { color: rgba(255,255,255,0.7); }
.footer__contact a:hover { color: var(--color-secondary); }
.footer__bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.82rem;
}
.footer__bottom a { color: rgba(255,255,255,0.6); }
.footer__bottom a:hover { color: var(--color-secondary); }

/* Back to Top */
.back-to-top {
    position: fixed; bottom: 2rem; right: 2rem; width: 44px; height: 44px;
    background: var(--color-primary); color: #fff; border: none; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; opacity: 0; visibility: hidden; transition: var(--transition);
    box-shadow: var(--shadow-md); z-index: 999;
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--color-secondary); transform: translateY(-3px); }

/* ========= RESPONSIVE ========= */
@media (max-width: 1024px) {
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .why-us__grid { grid-template-columns: repeat(2, 1fr); }
    .industries__grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
    .footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hero .container { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
    .hero__subtitle { max-width: 100%; }
    .hero__cta { justify-content: center; }
    .hero__stats { justify-content: center; }
    .hero__image { order: 2; display: none; }
    .hero__content { order: 1; }
    .hero__image-mobile { display: block; margin: 1.5rem auto; max-width: 300px; position: relative; }
    .hero__image-mobile img {
        width: 100%; height: auto; object-fit: cover;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-xl);
        border: 5px solid rgba(255,255,255,0.8);
    }
    .hero__image::before { inset: -10px; }
    .about-preview__grid { grid-template-columns: 1fr; gap: 2rem; }
    .services__grid { grid-template-columns: 1fr; }
    .why-us__grid { grid-template-columns: 1fr; }
    .industries__grid { grid-template-columns: 1fr; }
    .testimonials__grid { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; }
    .footer__bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
    
    /* Mobile Navigation */
    .nav__menu {
        position: fixed; top: 80px; left: 0; width: 100%; height: calc(100vh - 80px);
        background: #fff; flex-direction: column; align-items: stretch;
        padding: 2rem; gap: 0; overflow-y: auto;
        transform: translateX(-100%); transition: var(--transition);
    }
    .nav__menu.active { transform: translateX(0); }
    .nav__link { padding: 0.75rem 0; font-size: 1rem; }
    .nav__dropdown-menu {
        position: static; box-shadow: none; opacity: 1; visibility: visible;
        transform: none; padding-left: 1rem; display: none;
    }
    .nav__dropdown.active .nav__dropdown-menu { display: block; }
    .nav__toggle { display: block; }
    .nav__actions .btn { display: none; }
    .cta__box { padding: 2.5rem 1.5rem; }
}

@media (max-width: 480px) {
    .section { padding: 3.5rem 0; }
    .hero { padding: 6rem 0 3rem; min-height: auto; }
    .hero__title { font-size: 1.75rem; }
    .hero__stats { gap: 1rem; }
    .hero__stat strong { font-size: 1.25rem; }
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate { animation: fadeInUp 0.6s ease forwards; opacity: 0; }

/* Page Banner */
.page-banner {
    padding: 8rem 0 3rem; text-align: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
}
.page-banner h1 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 0.75rem; }
.page-banner p { color: rgba(255,255,255,0.8); font-size: 1.05rem; max-width: 600px; margin: 0 auto 1.5rem; }
.breadcrumb { font-size: 0.85rem; color: rgba(255,255,255,0.6); }
.breadcrumb a { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: var(--color-secondary); }
.breadcrumb span { margin: 0 0.5rem; }

/* Contact Page */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; }
.contact-info__card {
    display: flex; align-items: flex-start; gap: 1rem;
    padding: 1.25rem; border-radius: var(--radius-sm);
    border: 1px solid var(--color-border); margin-bottom: 1rem;
}
.contact-info__card svg { flex-shrink: 0; color: var(--color-primary); }
.contact-info__card h4 { font-size: 0.95rem; font-family: var(--font-primary); font-weight: 600; margin-bottom: 0.25rem; }
.contact-info__card p { font-size: 0.88rem; color: var(--color-text-light); }
.contact-form { background: var(--color-bg-gray); padding: 2.5rem; border-radius: var(--radius-md); }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 500; margin-bottom: 0.4rem; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--color-border);
    border-radius: var(--radius-sm); font-family: var(--font-primary); font-size: 0.9rem;
    transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(27,58,92,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

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

/* Blog Article Styles */
.blog-article {
    max-width: 800px; margin: 0 auto; font-size: 1rem; line-height: 1.9;
    color: var(--color-text);
}
.blog-article h2 {
    font-size: 1.6rem; margin-top: 2.5rem; margin-bottom: 1rem;
    padding-bottom: 0.5rem; border-bottom: 2px solid var(--color-bg-gray);
    font-family: var(--font-heading); color: var(--color-primary);
}
.blog-article h3 {
    font-size: 1.2rem; margin-top: 2rem; margin-bottom: 0.75rem;
    font-family: var(--font-primary); font-weight: 600; color: var(--color-primary-dark);
}
.blog-article p { margin-bottom: 1.25rem; }
.blog-article ul, .blog-article ol {
    margin: 1rem 0 1.5rem; padding-left: 1.5rem;
}
.blog-article ul { list-style: disc; }
.blog-article ol { list-style: decimal; }
.blog-article li {
    margin-bottom: 0.6rem; padding-left: 0.25rem;
}
.blog-article strong { color: var(--color-primary-dark); }
.blog-article a { color: var(--color-primary); text-decoration: underline; }
.blog-article a:hover { color: var(--color-secondary); }
.blog-article table {
    width: 100%; border-collapse: collapse; font-size: 0.88rem;
    background: #fff; border-radius: var(--radius-md); overflow: hidden;
    box-shadow: var(--shadow-sm); margin: 1.5rem 0;
}
.blog-article table thead tr { background: var(--color-primary); color: #fff; }
.blog-article table th { padding: 0.85rem 1rem; text-align: left; font-weight: 600; }
.blog-article table td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--color-border); }
.blog-article table tr:nth-child(even) { background: var(--color-bg-gray); }
.blog-article table tr:last-child td { border-bottom: none; }
.blog-article blockquote {
    border-left: 4px solid var(--color-secondary); margin: 1.5rem 0;
    padding: 1rem 1.5rem; background: var(--color-bg-gray);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic; color: var(--color-text-light);
}

/* Blog Meta / Author */
.blog-meta {
    display: flex; align-items: center; gap: 1rem;
    padding: 1.5rem 0; margin-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.88rem; color: var(--color-text-light);
}
.blog-meta__avatar {
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--color-primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 1rem;
}
.blog-meta__info span { display: block; }
.blog-meta__info strong { color: var(--color-text); font-size: 0.92rem; }

/* Blog Cards on listing page */
.blog-card {
    background: #fff; border-radius: var(--radius-md);
    border: 1px solid var(--color-border); overflow: hidden;
    transition: var(--transition);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.blog-card__body { padding: 1.5rem; }
.blog-card__category {
    font-size: 0.72rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 1.5px; color: var(--color-secondary); margin-bottom: 0.75rem;
}
.blog-card__title {
    font-size: 1.1rem; font-weight: 600; margin-bottom: 0.75rem;
    color: var(--color-primary); line-height: 1.4;
    font-family: var(--font-primary);
}
.blog-card__title a { color: inherit; text-decoration: none; }
.blog-card__title a:hover { color: var(--color-secondary); }
.blog-card__excerpt { font-size: 0.88rem; color: var(--color-text-light); line-height: 1.6; margin-bottom: 1rem; }
.blog-card__link { font-size: 0.88rem; font-weight: 600; color: var(--color-primary); }
.blog-card__link:hover { color: var(--color-secondary); }

/* Blog grid layout */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1.75rem; }
@media (max-width: 768px) { .blog-grid { grid-template-columns: 1fr; } }