/* =============================================================
   HOME.CSS — Sankalp Shakti Infra LLP
   MOBILE-FIRST home page styles: hero, stats, about, leadership,
   services, portfolio, safety section, and contact form.
   ============================================================= */

/* ── Hero Section (Mobile First) ── */
.hero-section {
    position: relative; height: 100svh; min-height: 580px;
    display: flex; align-items: center; justify-content: center;
    background-image: url('../assets/hero_bg.png');
    background-size: cover; background-position: center;
    padding-top: 70px;
}
.hero-bg-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(180deg, rgba(10, 17, 31, 0.6) 0%, rgba(10, 17, 31, 0.92) 100%);
}
.hero-content { position: relative; z-index: 10; text-align: center; width: 100%; padding: 0 1rem; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50px; padding: 0.4rem 1rem; font-size: 0.8rem; font-weight: 600;
    color: var(--accent-color); margin-bottom: 1.5rem; backdrop-filter: blur(5px);
    font-family: var(--font-hindi), var(--font-heading);
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}
.hero-title {
    font-size: 2rem; font-weight: 800; margin-bottom: 1rem;
    letter-spacing: -0.5px; color: #ffffff; line-height: 1.2;
}
.hero-subtitle {
    font-size: 0.95rem; color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2rem; font-weight: 400; line-height: 1.7;
    max-width: 540px; margin-left: auto; margin-right: auto;
}
.hero-ctas {
    display: flex; flex-direction: column;
    align-items: center; gap: 0.9rem;
    width: 100%; max-width: 380px; margin: 0 auto;
}
.hero-ctas .btn { width: 100%; justify-content: center; }
.hero-section .btn-outline { color: #ffffff; border-color: rgba(255, 255, 255, 0.5); }
.hero-section .btn-outline:hover { background-color: rgba(255, 255, 255, 0.1); border-color: #ffffff; color: #ffffff; }

/* Home page: override nav text to white when over hero */
.home-page #main-header:not(.glass-nav) .nav-item { color: rgba(255, 255, 255, 0.85); }
.home-page #main-header:not(.glass-nav) .logo { background: rgba(255, 255, 255, 0.85); padding: 0.2rem 0.6rem; border-radius: 8px; backdrop-filter: blur(4px); }
.home-page #main-header:not(.glass-nav) .nav-item:hover,
.home-page #main-header:not(.glass-nav) .nav-item.active { color: #ffffff; }
.home-page #main-header:not(.glass-nav) .theme-icon-btn {
    color: rgba(255, 255, 255, 0.85); border-color: rgba(255, 255, 255, 0.25);
}
.home-page #main-header:not(.glass-nav) .theme-icon-btn:hover {
    color: #ffffff; border-color: #ffffff; background-color: rgba(255, 255, 255, 0.08);
}
/* Scrolled glass state restores theme vars */
.home-page #main-header.glass-nav .nav-item { color: var(--text-secondary); }
.home-page #main-header.glass-nav .nav-item:hover,
.home-page #main-header.glass-nav .nav-item.active { color: var(--text-primary); }
.home-page #main-header.glass-nav .theme-icon-btn { color: var(--text-secondary); border-color: var(--border-color); }
.home-page #main-header.glass-nav .theme-icon-btn:hover {
    color: var(--text-primary); border-color: var(--text-primary); background-color: rgba(255, 255, 255, 0.05);
}
[data-theme="light"] .home-page #main-header.glass-nav .theme-icon-btn:hover { background-color: rgba(0, 35, 95, 0.05); }
[data-theme="light"] .home-page #main-header.glass-nav .logo-img { filter: brightness(0); }

/* Scroll indicator */
.scroll-indicator {
    position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
    z-index: 10; display: none; flex-direction: column; align-items: center; gap: 0.5rem; opacity: 0.8;
}
.mouse-scroll { width: 24px; height: 40px; border: 2px solid rgba(255, 255, 255, 0.6); border-radius: 20px; position: relative; }
.mouse-scroll .wheel {
    width: 4px; height: 8px; background-color: var(--accent-color); border-radius: 2px;
    position: absolute; top: 6px; left: 50%; transform: translateX(-50%) translateY(0);
    animation: scroll-wheel-anim 1.5s infinite;
    will-change: transform, opacity;
}
.scroll-text { font-size: 0.75rem; font-family: var(--font-heading); letter-spacing: 1px; text-transform: uppercase; color: rgba(255, 255, 255, 0.6); }
@keyframes scroll-wheel-anim { 0% { transform: translateX(-50%) translateY(0); opacity: 1; } 100% { transform: translateX(-50%) translateY(16px); opacity: 0; } }

/* ── Stats Section (Mobile First) ── */
.stats-section { background-color: var(--bg-secondary); border-bottom: 1px solid var(--border-color); padding: 2.5rem 0; }
.stats-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.stat-card {
    display: flex; align-items: center; gap: 1rem; padding: 1.25rem;
    border-radius: 12px; background-color: var(--bg-primary); border: 1px solid var(--border-color);
}
.stat-icon-wrapper {
    width: 46px; height: 46px; border-radius: 10px; flex-shrink: 0;
    background: rgba(230, 126, 34, 0.1); color: var(--accent-color);
    display: flex; align-items: center; justify-content: center; font-size: 1.35rem;
}
.stat-value { font-size: 1.6rem; font-weight: 800; font-family: var(--font-heading); }
.stat-suffix { font-size: 1.3rem; font-weight: 800; color: var(--accent-color); }
.stat-label { font-size: 0.82rem; color: var(--text-secondary); font-weight: 500; }

/* ── About Us Section ── */
.about-visual { position: relative; }
.image-wrapper { position: relative; border-radius: 16px; overflow: hidden; box-shadow: 0 15px 40px var(--shadow-color); }
.about-img { width: 100%; height: 280px; object-fit: cover; transition: transform 0.5s ease; }
.about-img:hover { transform: scale(1.03); }
.experience-badge {
    position: absolute; bottom: 1.25rem; right: 1.25rem;
    background-color: var(--accent-color); color: hsl(220, 30%, 10%);
    padding: 1rem; border-radius: 12px; display: flex; flex-direction: column;
    align-items: center; text-align: center; box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}
.badge-num { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 800; line-height: 1; }
.badge-lbl { font-size: 0.7rem; text-transform: uppercase; font-weight: 700; letter-spacing: 0.5px; margin-top: 0.2rem; }
.about-paragraph { font-size: 1rem; color: var(--text-secondary); margin-bottom: 1.5rem; }
.value-bullets { display: flex; flex-direction: column; gap: 1.25rem; }
.bullet-item { display: flex; gap: 1rem; align-items: flex-start; }
.bullet-check { color: var(--accent-cyan); font-size: 1.1rem; }
.bullet-desc { color: var(--text-secondary); font-size: 0.9rem; }
.bullet-desc strong { color: var(--text-primary); display: block; margin-bottom: 0.1rem; }

/* ── Leadership Section (Mobile First) ── */
.leadership-section { padding: 3rem 0; background-color: var(--bg-secondary); position: relative; }
.leadership-container { margin-top: 2rem; display: grid; grid-template-columns: 1fr; gap: 2rem; }
.leader-card {
    background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 24px;
    overflow: hidden; box-shadow: 0 10px 30px var(--shadow-color);
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), border-color 0.4s ease;
    display: flex; flex-direction: column;
}
.leader-card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3); border-color: rgba(245, 90, 0, 0.4); will-change: transform; }
.leader-img-wrapper { position: relative; width: 100%; height: 300px; overflow: hidden; background-color: #0c1524; }
.leader-img { width: 100%; height: 100%; object-fit: cover; object-position: center top; transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1); }
.leader-card:hover .leader-img { transform: scale(1.06); }
.leader-info { padding: 1.75rem; flex-grow: 1; display: flex; flex-direction: column; gap: 0.65rem; }
.leader-name { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }
.leader-role { font-size: 0.9rem; font-weight: 600; color: var(--accent-color); text-transform: uppercase; letter-spacing: 1.5px; }
.leader-bio { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; margin-top: 0.35rem; }

/* ── Services / Divisions (Mobile First) ── */
.services-section { background-color: var(--bg-secondary); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.services-container { gap: 2rem; }
.service-division-card {
    position: relative; border-radius: 20px; overflow: hidden; min-height: 420px;
    display: flex; flex-direction: column; justify-content: flex-end;
    border: 1px solid var(--border-color);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px var(--shadow-color);
}
.service-division-card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px var(--shadow-color); will-change: transform; }
.card-image-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover; background-position: center; transition: transform 0.6s ease;
}
.service-division-card:hover .card-image-bg { transform: scale(1.08); }
.card-body { position: relative; z-index: 10; padding: 2rem 1.5rem; color: hsl(0, 0%, 98%); }
.card-icon-tag {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50px; padding: 0.35rem 1rem; font-size: 0.78rem; font-weight: 600; margin-bottom: 0.85rem;
}
.card-heading { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.85rem; }
.card-desc { color: hsl(220, 10%, 82%); font-size: 0.9rem; margin-bottom: 1.25rem; }
.card-list { list-style: none; margin-bottom: 1.75rem; }
.card-list li { font-size: 0.88rem; color: hsl(220, 10%, 88%); margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.card-list li i { color: var(--accent-cyan); font-size: 0.7rem; }

/* ── Portfolio Gallery ── */
.filter-controls { display: flex; justify-content: center; gap: 0.6rem; margin-top: 1.5rem; flex-wrap: wrap; }
.filter-btn {
    background-color: var(--bg-secondary); border: 1px solid var(--border-color);
    color: var(--text-secondary); padding: 0.5rem 1.1rem; border-radius: 50px;
    font-family: var(--font-heading); font-weight: 600; font-size: 0.85rem;
    cursor: pointer; transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.filter-btn:hover, .filter-btn.active { background-color: var(--accent-color); color: hsl(220, 30%, 10%); border-color: var(--accent-color); }
.portfolio-grid { margin-top: 2rem; }
.project-card {
    background-color: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: 16px; overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.4s ease, background-color 0.4s ease;
    display: flex; flex-direction: column;
}
.project-card:hover { transform: translateY(-6px); border-color: var(--accent-color); background-color: var(--card-hover-bg); }
.project-img-wrapper { position: relative; overflow: hidden; height: 200px; }
.project-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.project-card:hover .project-img { transform: scale(1.05); }
.project-category-tag {
    position: absolute; top: 0.85rem; left: 0.85rem;
    background: rgba(10, 17, 31, 0.7); border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary); padding: 0.25rem 0.75rem; font-size: 0.72rem;
    border-radius: 50px; font-weight: 600; backdrop-filter: blur(5px);
}
.project-details { padding: 1.25rem; flex-grow: 1; display: flex; flex-direction: column; }
.project-name { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.2rem; }
.project-meta { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 0.65rem; }
.project-meta i { color: var(--accent-color); margin-right: 0.25rem; }
.project-desc { font-size: 0.88rem; color: var(--text-secondary); }

/* ── Safety Section ── */
.safety-section { background-color: var(--bg-secondary); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.safety-grid { margin-top: 1.5rem; }
.safety-card {
    background-color: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: 16px; padding: 2rem 1.5rem; text-align: center;
    transition: var(--theme-transition);
}
.safety-icon-box {
    width: 56px; height: 56px; background: rgba(26, 188, 156, 0.1);
    color: var(--accent-cyan); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; margin: 0 auto 1.25rem auto;
}
.safety-card h4 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.safety-card p { font-size: 0.88rem; color: var(--text-secondary); }

/* ── Contact Section (Mobile First) ── */
.contact-grid { gap: 2.5rem; }
.contact-subtext { font-size: 1rem; color: var(--text-secondary); margin-bottom: 2rem; }
.contact-details-list { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-detail-item { display: flex; align-items: center; gap: 1rem; }
.contact-icon {
    width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0;
    background-color: var(--bg-secondary); border: 1px solid var(--border-color);
    color: var(--accent-color); display: flex; align-items: center; justify-content: center; font-size: 1.15rem;
}
.contact-detail-item h5 { font-size: 0.95rem; margin-bottom: 0.1rem; }
.contact-detail-item p { font-size: 0.88rem; color: var(--text-secondary); }
.glass-form-wrapper {
    background-color: var(--card-bg); border: 1px solid var(--border-color);
    padding: 2rem 1.5rem; border-radius: 16px;
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 15px 35px var(--shadow-color);
}
.form-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 1.5rem; text-align: center; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 0; }
.input-group { position: relative; margin-bottom: 1.5rem; }
.input-group input, .input-group textarea, .input-group select {
    width: 100%; padding: 0.9rem 1rem; background-color: var(--form-input-bg);
    border: 1px solid var(--border-color); border-radius: 8px;
    color: var(--text-primary); font-family: var(--font-body); font-size: 0.95rem;
    outline: none; transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.input-group textarea { resize: vertical; }
.input-group label {
    position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
    color: var(--text-muted); font-size: 0.95rem; pointer-events: none;
    transition: top 0.3s ease, left 0.3s ease, font-size 0.3s ease, color 0.3s ease, background-color 0.3s ease, padding 0.3s ease;
}
.input-group textarea ~ label { top: 1.5rem; transform: none; }
.input-group input:focus ~ label, .input-group input:not(:placeholder-shown) ~ label,
.input-group textarea:focus ~ label, .input-group textarea:not(:placeholder-shown) ~ label {
    top: -0.6rem; left: 0.75rem; font-size: 0.75rem; font-weight: 600;
    background-color: var(--label-bg); padding: 0 0.4rem; color: var(--accent-color);
}
.input-group select ~ label.select-label {
    position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
    color: var(--text-muted); font-size: 0.95rem; pointer-events: none;
    transition: top 0.3s ease, left 0.3s ease, font-size 0.3s ease, color 0.3s ease, background-color 0.3s ease, padding 0.3s ease;
}
.input-group select:focus ~ label.select-label,
.input-group select.filled ~ label.select-label {
    top: -0.6rem; left: 0.75rem; font-size: 0.75rem; font-weight: 600;
    background-color: var(--label-bg); padding: 0 0.4rem; color: var(--accent-color);
}
.input-group select.filled:not(:focus) ~ label.select-label { color: var(--text-muted); }
.input-group input:focus, .input-group textarea:focus, .input-group select:focus {
    border-color: var(--form-input-focus-border); box-shadow: 0 0 10px rgba(230, 126, 34, 0.15);
}
.form-status-msg { margin-top: 1rem; text-align: center; font-size: 0.9rem; font-weight: 600; min-height: 24px; }
.form-status-msg.success { color: #2ecc71; }
.form-status-msg.error { color: #e74c3c; }

/* =============================================================
   RESPONSIVE — Mobile First (min-width)
   ============================================================= */

/* ── Small phones and up (480px+) ── */
@media (min-width: 480px) {
    .hero-title { font-size: 2.5rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Tablets portrait (768px+) ── */
@media (min-width: 768px) {
    .hero-section { padding-top: 80px; }
    .hero-content { padding: 0 2rem; }
    .hero-title { font-size: 3rem; }
    .hero-subtitle { font-size: 1.1rem; }
    .hero-ctas { flex-direction: row; width: auto; max-width: none; justify-content: center; }
    .hero-ctas .btn { width: auto; }
    .scroll-indicator { display: flex; }
    .about-img { height: 380px; }
    .leadership-section { padding: 5rem 0; }
    .leadership-container { margin-top: 3rem; }
    .leader-img-wrapper { height: 340px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .glass-form-wrapper { padding: 2.5rem 2rem; }
}

/* ── Tablets landscape (1024px+) ── */
@media (min-width: 1024px) {
    .hero-title { font-size: 3.5rem; }
    .hero-subtitle { font-size: 1.2rem; }
    .about-img { height: 450px; }
    .leadership-section { padding: 8rem 0; }
    .leadership-container { grid-template-columns: repeat(2, 1fr); gap: 3rem; margin-top: 4rem; }
    .leader-img-wrapper { height: 380px; }
    .leader-info { padding: 2.5rem; }
    .leader-name { font-size: 1.8rem; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
    .stat-card { padding: 1.5rem; }
    .stat-value { font-size: 1.85rem; }
    .form-row { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
    .glass-form-wrapper { padding: 3rem 2.5rem; }
    .contact-grid { gap: 4rem; }
}