/* =============================================================
   DIDC Home Page (index.php) - Modern Section Styles
   Deccan India Development Corporation Private Limited
   =============================================================
   Sections styled here:
     1. Hero carousel          (already in custom-branding.css)
     2. AI/ML intro            .section--ai-intro
     3. Featured products       .section--products
     4. Petrosoft365 feature   .section--feature-spotlight
     5. Features grid          .section--features
     6. Happy clients          .section--clients
     7. Industries showcase    .section--industries
     8. Testimonials            .section--testimonials
   ============================================================= */

/* ---- Shared section frame ---- */
.home-section {
    padding: clamp(64px, 8vw, 120px) 0;
    position: relative;
}
.home-section--alt {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}
.home-section--band {
    background: linear-gradient(135deg,
        var(--color-navy) 0%,
        var(--color-navy-dark) 100%);
    color: #fff;
}

.home-section__inner {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.home-section__header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto var(--space-12);
}
.home-section__eyebrow {
    display: inline-block;
    background: var(--color-red-soft);
    color: var(--color-red);
    font-weight: var(--fw-bold);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    margin-bottom: var(--space-4);
}
.home-section--band .home-section__eyebrow {
    background: rgba(255, 65, 54, 0.15);
    color: #ff8a80;
}
.home-section__title {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: var(--fw-black);
    color: var(--color-navy);
    line-height: 1.15;
    letter-spacing: -0.5px;
    margin: 0 0 var(--space-4);
}
.home-section--band .home-section__title { color: #fff; }
.home-section__lead {
    font-size: clamp(16px, 1.4vw, 19px);
    color: var(--color-text-muted);
    line-height: var(--lh-relaxed);
    margin: 0;
}
.home-section--band .home-section__lead { color: rgba(255, 255, 255, 0.85); }

/* Decorative underline used by some titles */
.home-section__title--underline::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: var(--space-4) auto 0;
    border-radius: 2px;
}

/* ---- 2. AI/ML intro ---- */
.section--ai-intro {
    padding-top: clamp(40px, 6vw, 80px);
    padding-bottom: clamp(40px, 6vw, 80px);
}
.ai-intro__card {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    background: linear-gradient(135deg,
        rgba(27, 34, 81, 0.04) 0%,
        rgba(255, 65, 54, 0.04) 100%);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-3xl);
    padding: clamp(32px, 5vw, 56px);
    align-items: center;
    position: relative;
    overflow: hidden;
}
.ai-intro__card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 0% 0%, rgba(255, 65, 54, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 100% 100%, rgba(27, 34, 81, 0.08) 0%, transparent 40%);
    pointer-events: none;
}
.ai-intro__icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 28px;
    box-shadow: 0 10px 30px rgba(255, 65, 54, 0.3);
    margin-bottom: var(--space-5);
    position: relative;
}
.ai-intro__title {
    font-size: clamp(26px, 3.4vw, 38px);
    font-weight: var(--fw-black);
    color: var(--color-navy);
    line-height: 1.15;
    margin: 0 0 var(--space-4);
    position: relative;
}
.ai-intro__title em {
    font-style: normal;
    background: var(--gradient-text);
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
}
.ai-intro__lead {
    font-size: clamp(15px, 1.3vw, 18px);
    color: var(--color-text-muted);
    line-height: var(--lh-relaxed);
    margin: 0;
    max-width: 640px;
    position: relative;
}

/* ---- 3. Featured Products ---- */
.section--products .home-section__inner { max-width: var(--container-2xl); }
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}
.product-card {
    background: #fff;
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: transform 0.4s var(--ease-out),
                box-shadow 0.4s var(--ease-out),
                border-color 0.4s var(--ease-out);
    display: flex;
    flex-direction: column;
    position: relative;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 60px rgba(27, 34, 81, 0.12);
    border-color: rgba(255, 65, 54, 0.3);
}
.product-card__media {
    position: relative;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, var(--color-bg-alt), #fff);
    overflow: hidden;
}
.product-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}
.product-card:hover .product-card__media img { transform: scale(1.05); }
.product-card__badge {
    position: absolute;
    top: 16px; left: 16px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 10px;
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    box-shadow: 0 4px 14px rgba(255, 65, 54, 0.3);
}
.product-card__body {
    padding: var(--space-6) var(--space-6) var(--space-5);
    flex: 1;
    display: flex;
    flex-direction: column;
}
.product-card__title {
    font-size: 22px;
    font-weight: var(--fw-bold);
    color: var(--color-navy);
    margin: 0 0 var(--space-3);
    line-height: 1.2;
}
.product-card__desc {
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.65;
    margin: 0 0 var(--space-5);
    flex: 1;
}
.product-card__features {
    list-style: none;
    margin: 0 0 var(--space-5);
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.product-card__features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text);
}
.product-card__features li::before {
    content: '\f00c';
    font-family: 'FontAwesome';
    color: var(--color-red);
    font-size: 11px;
    width: 16px;
    height: 16px;
    background: var(--color-red-soft);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.product-card__cta {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 12px 18px;
    background: var(--color-bg-alt);
    color: var(--color-navy);
    text-decoration: none;
    font-weight: var(--fw-semibold);
    font-size: 14px;
    border-radius: var(--radius-lg);
    transition: background 0.2s var(--ease-out), color 0.2s var(--ease-out);
}
.product-card__cta:hover {
    background: var(--gradient-primary);
    color: #fff;
}
.product-card__cta i { transition: transform 0.2s var(--ease-out); }
.product-card__cta:hover i { transform: translateX(4px); }

/* ---- 4. Petrosoft365 feature spotlight ---- */
.section--feature-spotlight {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}
.spotlight {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: clamp(40px, 6vw, 80px);
    align-items: center;
}
@media (max-width: 900px) { .spotlight { grid-template-columns: 1fr; } }
.spotlight__media {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
    aspect-ratio: 16 / 11;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
}
.spotlight__media img {
    width: 100%; height: 100%; object-fit: contain;
}
.spotlight__media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(27, 34, 81, 0) 0%,
        rgba(255, 65, 54, 0.1) 100%);
    pointer-events: none;
}
.spotlight__eyebrow {
    display: inline-block;
    background: var(--color-red-soft);
    color: var(--color-red);
    font-size: 11px;
    font-weight: var(--fw-bold);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    margin-bottom: var(--space-4);
}
.spotlight__title {
    font-size: clamp(28px, 3.6vw, 40px);
    font-weight: var(--fw-black);
    color: var(--color-navy);
    line-height: 1.15;
    margin: 0 0 var(--space-4);
}
.spotlight__title em {
    font-style: normal;
    background: var(--gradient-text);
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
}
.spotlight__lead {
    font-size: 16px;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin: 0 0 var(--space-6);
}
.spotlight__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}
.spotlight-stat {
    background: #fff;
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    text-align: center;
}
.spotlight-stat__num {
    font-size: clamp(22px, 2.8vw, 28px);
    font-weight: var(--fw-black);
    color: var(--color-red);
    line-height: 1;
    margin-bottom: 4px;
    display: block;
}
.spotlight-stat__label {
    font-size: 11px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

/* ---- 5. Features grid ---- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-6);
}
.feature-card {
    background: #fff;
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-2xl);
    padding: var(--space-8) var(--space-6);
    text-align: center;
    transition: all 0.4s var(--ease-out);
    position: relative;
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(27, 34, 81, 0.08);
    border-color: rgba(255, 65, 54, 0.3);
}
.feature-card__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-5);
    background: var(--gradient-red-soft, linear-gradient(135deg, #fff5f5 0%, #ffe5e8 100%));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-red);
    font-size: 28px;
    transition: all 0.3s var(--ease-out);
}
.feature-card:hover .feature-card__icon {
    background: var(--gradient-primary);
    color: #fff;
    transform: scale(1.08) rotate(-3deg);
}
.feature-card__title {
    font-size: 18px;
    font-weight: var(--fw-bold);
    color: var(--color-navy);
    margin: 0 0 var(--space-3);
}
.feature-card__body {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.65;
    margin: 0;
}

/* ---- 6. Happy Clients logo wall ---- */
.section--clients { background: var(--color-bg-alt); }
.clients-wall {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-6);
    align-items: center;
}
.client-logo {
    background: #fff;
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s var(--ease-out);
    filter: grayscale(100%);
    opacity: 0.7;
}
.client-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(27, 34, 81, 0.1);
    border-color: rgba(255, 65, 54, 0.3);
}
.client-logo img {
    max-width: 100%;
    max-height: 60px;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* ---- 7. Industries showcase ---- */
.section--industries { background: linear-gradient(180deg, #fff 0%, var(--color-bg-alt) 100%); }
.industries-featured {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-8);
}
.industry-card {
    position: relative;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    min-height: 180px;
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.3s var(--ease-out);
    cursor: pointer;
    text-decoration: none;
    color: #fff;
}
.industry-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(27, 34, 81, 0.25);
    border-color: rgba(255, 65, 54, 0.4);
    color: #fff;
}
.industry-card__icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-3);
    backdrop-filter: blur(4px);
}
.industry-card__icon img {
    max-width: 40px;
    max-height: 40px;
    object-fit: contain;
    filter: brightness(0) invert(1); /* turn icons white */
}
.industry-card__icon-fallback {
    font-size: 28px;
    color: rgba(255, 255, 255, 0.9);
}
.industry-card__label {
    font-weight: var(--fw-bold);
    font-size: 15px;
    line-height: 1.3;
    color: #fff;
}
.industries-toggle {
    text-align: center;
}
.industries-more {
    display: none;
    margin-top: var(--space-8);
}
.industries-more.is-open { display: block; }
.industries-more__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-3);
}
.industry-tile {
    background: #fff;
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text);
    transition: all 0.2s var(--ease-out);
}
.industry-tile:hover {
    border-color: var(--color-red);
    color: var(--color-red);
    transform: translateY(-2px);
}
.industries-toggle__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--color-navy);
    border: 2px solid var(--color-navy);
    padding: 12px 28px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
}
.industries-toggle__btn:hover {
    background: var(--color-navy);
    color: #fff;
}
.industries-toggle__btn .chev { transition: transform 0.2s var(--ease-out); }
.industries-toggle__btn.is-open .chev { transform: rotate(180deg); }

/* ---- 8. Testimonials ---- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}
.testimonial-card {
    background: #fff;
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-2xl);
    padding: var(--space-8) var(--space-6);
    position: relative;
    transition: all 0.3s var(--ease-out);
}
.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(27, 34, 81, 0.1);
    border-color: rgba(255, 65, 54, 0.3);
}
.testimonial-card__quote-mark {
    font-size: 56px;
    line-height: 1;
    color: var(--color-red-soft);
    font-family: Georgia, serif;
    margin-bottom: var(--space-3);
    display: block;
}
.testimonial-card__quote {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
    margin: 0 0 var(--space-5);
    font-style: italic;
}
.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    border-top: 1px solid var(--color-border-soft);
    padding-top: var(--space-4);
}
.testimonial-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-navy);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--fw-bold);
    font-size: 18px;
    flex-shrink: 0;
}
.testimonial-card__name {
    font-weight: var(--fw-bold);
    color: var(--color-navy);
    font-size: 14px;
    line-height: 1.3;
}
.testimonial-card__role {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.3;
}
.testimonial-card__stars {
    margin-left: auto;
    color: #FFD700;
    font-size: 14px;
}

/* ---- Mobile / responsive ---- */
@media (max-width: 768px) {
    .home-section { padding: clamp(48px, 10vw, 64px) 0; }
    .home-section__inner { padding: 0 var(--space-4); }
    .home-section__header { margin-bottom: var(--space-8); }
    .spotlight__stats { grid-template-columns: repeat(3, 1fr); }
    .spotlight-stat { padding: var(--space-3) var(--space-2); }
    .industries-featured { grid-template-columns: 1fr 1fr; }
    .clients-wall { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .spotlight__stats { grid-template-columns: 1fr; }
    .industries-featured { grid-template-columns: 1fr; }
    .clients-wall { grid-template-columns: 1fr 1fr; }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
    .product-card, .feature-card, .industry-card, .testimonial-card,
    .client-logo, .ai-intro__icon, .product-card__media img {
        transition: none !important;
    }
    .product-card:hover, .feature-card:hover, .industry-card:hover,
    .testimonial-card:hover { transform: none; }
}