/* 
 * Adronics Inc - Main Stylesheet
 * Modern, consistent design system for all pages
 */

/* ========================================
   BASE STYLES & RESET
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    overflow-x: hidden;
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 4rem;
    height: 80px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 900;
    color: #034f7c;
    letter-spacing: -0.02em;
}

.logo-text span {
    color: #7ab800;
}

.logo-tagline {
    font-size: 0.75rem;
    color: #666;
    font-weight: 400;
    margin-top: -5px;
}

.nav-main {
    display: flex;
    gap: 1.25rem;
    list-style: none;
    align-items: center;
}

.nav-main > li {
    position: relative;
}

.nav-main > li.nav-divider {
    color: rgba(0, 0, 0, 0.12);
    font-weight: 200;
    font-size: 13px;
    pointer-events: none;
    user-select: none;
    line-height: 1;
}

.nav-main > li > a {
    color: #1a1a1a;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s;
    padding: 0.5rem 0;
    display: block;
    position: relative;
    white-space: nowrap;
}

.nav-main > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #7ab800;
    transition: width 0.3s;
}

.nav-main > li > a:hover {
    color: #034f7c;
}

.nav-main > li > a:hover::after {
    width: 100%;
}

/* Dropdown Menus */
.nav-main li .dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 220px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    padding: 1rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.nav-main li:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown li {
    list-style: none;
}

.dropdown li a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: #1a1a1a;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
    font-weight: 500;
}

.dropdown li a:hover {
    background: #f8f9fa;
    color: #7ab800;
    padding-left: 2rem;
}

.nav-actions {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-actions a {
    color: #1a1a1a;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-actions a:hover {
    color: #034f7c;
}

.nav-actions .divider {
    width: 1px;
    height: 20px;
    background: rgba(0, 0, 0, 0.1);
}

.cta-button {
    background: #7ab800;
    color: white !important;
    padding: 0.75rem 1.75rem;
    border-radius: 6px;
    transition: all 0.3s;
    font-weight: 600;
}

.cta-button:hover {
    background: #92d050;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(122, 184, 0, 0.3);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    padding: 1.1rem 2.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s;
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background: #7ab800;
    color: white;
}

.btn-primary:hover {
    background: #92d050;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(122, 184, 0, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   SECTION HEADERS
   ======================================== */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.section-header p {
    font-size: 1.25rem;
    color: #666;
    line-height: 1.6;
}

/* ========================================
   CARDS - Consistent card styling
   ======================================== */
.card {
    background: white;
    border-radius: 16px;
    padding: 3rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.card h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: #034f7c;
    font-weight: 700;
}

.card ul {
    list-style: none;
}

.card li {
    padding: 0.75rem 0;
    position: relative;
    padding-left: 2rem;
    color: #444;
    font-size: 1rem;
}

.card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #7ab800;
    font-weight: bold;
    font-size: 1.2rem;
}

/* ========================================
   PROVEN SOLUTIONS SECTION
   ======================================== */
.proven-section {
    padding: 8rem 4rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.proven-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, #7ab800, #034f7c, #7ab800, transparent);
}

.proven-grid {
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.proven-card {
    background: white;
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-left: 6px solid #7ab800;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 10;
}

.proven-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 60px rgba(122, 184, 0, 0.25);
    border-left-width: 10px;
}

.proven-card-header {
    background: linear-gradient(135deg, rgba(3, 79, 124, 0.05) 0%, rgba(122, 184, 0, 0.05) 100%);
    padding: 2.5rem 2.5rem 2rem;
    border-bottom: 2px solid rgba(122, 184, 0, 0.15);
}

.proven-icon {
    font-size: 3.5rem;
    margin-bottom: 1.25rem;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.proven-card h3 {
    font-size: 1.75rem;
    color: #034f7c;
    font-weight: 800;
    margin-bottom: 1.25rem;
    line-height: 1.3;
}

.proven-stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 1.25rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 2.25rem;
    font-weight: 900;
    color: #7ab800;
    line-height: 1;
    text-shadow: 0 2px 4px rgba(122, 184, 0, 0.2);
}

.stat-label {
    font-size: 0.8rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 0.4rem;
    font-weight: 600;
}

.proven-card-body {
    padding: 2.5rem;
    background: white;
}

.proven-description {
    color: #444;
    line-height: 1.8;
    margin-bottom: 1.75rem;
    font-size: 1rem;
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-bottom: 2rem;
}

.tech-badge {
    background: linear-gradient(135deg, rgba(3, 79, 124, 0.1) 0%, rgba(122, 184, 0, 0.1) 100%);
    color: #034f7c;
    padding: 0.5rem 1.1rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 700;
    border: 2px solid rgba(122, 184, 0, 0.25);
    transition: all 0.3s;
}

.tech-badge:hover {
    background: linear-gradient(135deg, rgba(3, 79, 124, 0.15) 0%, rgba(122, 184, 0, 0.15) 100%);
    border-color: rgba(122, 184, 0, 0.4);
    transform: scale(1.05);
}

.proven-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    background: linear-gradient(135deg, #7ab800 0%, #92d050 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(122, 184, 0, 0.2);
}

.proven-cta:hover {
    background: linear-gradient(135deg, #92d050 0%, #a3e05c 100%);
    transform: translateX(8px);
    box-shadow: 0 6px 20px rgba(122, 184, 0, 0.35);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 4rem 4rem 2rem;
}

.footer-container {
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #7ab800;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: #7ab800;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ========================================
   RESPONSIVE
   ======================================== */

/* Large laptops and smaller desktops (1366px - 1600px) */
@media (max-width: 1600px) {
    .nav-container {
        padding: 0 2.5rem;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .logo-tagline {
        font-size: 0.7rem;
    }
    
    .nav-main {
        gap: 2rem;
    }
    
    .nav-main > li > a {
        font-size: 14px;
    }
    
    .section-header h2 {
        font-size: 2.5rem;
    }
    
    .section-header p {
        font-size: 1.1rem;
    }
}

/* 15" laptops and medium screens (1024px - 1366px) */
@media (max-width: 1366px) {
    .nav-container {
        padding: 0 1.75rem;
        height: 70px;
    }
    
    .logo-text {
        font-size: 1.3rem;
    }
    
    .logo-tagline {
        font-size: 0.65rem;
    }
    
    .nav-main {
        gap: 0.9rem;
    }
    
    .nav-main > li > a {
        font-size: 13px;
        padding: 0.4rem 0;
    }
    
    .nav-main > li.nav-divider {
        font-size: 12px;
    }
    
    .nav-actions {
        gap: 1.25rem;
    }
    
    .nav-actions a {
        font-size: 12px;
    }
    
    .cta-button {
        padding: 0.6rem 1.35rem;
        font-size: 12px;
    }
    
    .section-header h2 {
        font-size: 2.25rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    .proven-section {
        padding: 6rem 2.5rem;
    }
    
    .proven-card h3 {
        font-size: 1.5rem;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .proven-description {
        font-size: 0.95rem;
    }
    
    .tech-badge {
        font-size: 0.8rem;
        padding: 0.45rem 1rem;
    }
    
    .proven-cta {
        font-size: 0.95rem;
        padding: 0.9rem 1.75rem;
    }
    
    .card h3 {
        font-size: 1.5rem;
    }
    
    .card li {
        font-size: 0.95rem;
    }
}

/* Tablets and smaller laptops (768px - 1024px) */
@media (max-width: 1024px) {
    .nav-main {
        gap: 1rem;
    }
    
    .nav-main > li > a {
        font-size: 12px;
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .proven-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .proven-section {
        padding: 5rem 2rem;
    }
}

/* Mobile devices (up to 768px) */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1.5rem;
        height: 65px;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .logo-tagline {
        font-size: 0.6rem;
    }
    
    .nav-main {
        display: none;
    }
    
    .nav-actions {
        gap: 1rem;
    }
    
    .nav-actions a:not(.cta-button) {
        display: none;
    }
    
    .nav-actions .divider {
        display: none;
    }
    
    .cta-button {
        padding: 0.6rem 1.2rem;
        font-size: 12px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 0.95rem;
    }
    
    .proven-section {
        padding: 4rem 1.5rem;
    }
    
    .proven-card {
        border-left-width: 4px;
    }
    
    .proven-card-header {
        padding: 2rem 1.75rem 1.5rem;
    }
    
    .proven-icon {
        font-size: 3rem;
    }
    
    .proven-card h3 {
        font-size: 1.35rem;
    }
    
    .proven-stats {
        gap: 1.5rem;
    }
    
    .stat-value {
        font-size: 1.75rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
    
    .proven-card-body {
        padding: 2rem 1.75rem;
    }
    
    .proven-description {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }
    
    .tech-badges {
        gap: 0.5rem;
        margin-bottom: 1.5rem;
    }
    
    .tech-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.9rem;
    }
    
    .proven-cta {
        font-size: 0.9rem;
        padding: 0.85rem 1.5rem;
    }
    
    .card {
        padding: 2rem;
    }
    
    .card h3 {
        font-size: 1.35rem;
    }
    
    .card li {
        font-size: 0.9rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
}