/* ============================================
   TRIDENTS INTEGRATED SOLUTIONS - Main Stylesheet
   Color Palette: Navy Blue (#0a1628) + Gold (#c9a227)
   ============================================ */

/* CSS Variables */
:root {
    --navy-dark: #0a1628;
    --navy-medium: #132238;
    --navy-light: #1e3a5f;
    --gold-primary: #c9a227;
    --gold-light: #dbb84d;
    --gold-dark: #a88b1f;
    --white: #ffffff;
    --gray-light: #f5f7fa;
    --gray-medium: #8892a0;
    --gray-dark: #4a5568;
    --success: #10b981;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--navy-dark);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 162, 39, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--navy-dark);
}

.nav-logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.nav-logo-text span {
    color: var(--gold-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--white);
    background: rgba(201, 162, 39, 0.1);
}

.nav-link.active {
    color: var(--gold-primary);
}

/* Dropdown */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background: var(--navy-medium);
    border: 1px solid rgba(201, 162, 39, 0.15);
    border-radius: 12px;
    padding: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    box-shadow: var(--shadow-xl);
}

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

.dropdown-item {
    display: block;
    padding: 12px 16px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    border-radius: 8px;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: rgba(201, 162, 39, 0.15);
    color: var(--gold-primary);
}

.nav-cta {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-light));
    color: var(--navy-dark);
    font-weight: 600;
    border-radius: 8px;
    margin-left: 16px;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(201, 162, 39, 0.3);
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-medium) 50%, var(--navy-light) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(201, 162, 39, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 162, 39, 0.08) 0%, transparent 40%),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a227' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 120px 24px 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(201, 162, 39, 0.15);
    border: 1px solid rgba(201, 162, 39, 0.3);
    border-radius: 50px;
    color: var(--gold-primary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease;
}

.hero h1 {
    color: var(--white);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: rgba(255, 255, 255, 0.75);
    max-width: 700px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s both;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-light));
    color: var(--navy-dark);
    box-shadow: 0 4px 15px rgba(201, 162, 39, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(201, 162, 39, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

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

.btn-outline:hover {
    background: var(--gold-primary);
    color: var(--navy-dark);
}

/* ============================================
   SECTIONS
   ============================================ */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(201, 162, 39, 0.1);
    color: var(--gold-dark);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--gray-medium);
}

.section-dark {
    background: var(--navy-dark);
    color: var(--white);
}

.section-dark h2,
.section-dark h3 {
    color: var(--white);
}

.section-gray {
    background: var(--gray-light);
}

/* ============================================
   SOLUTIONS GRID
   ============================================ */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.solution-card {
    position: relative;
    background: var(--white);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gold-primary), var(--gold-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.solution-card:hover::before {
    transform: scaleX(1);
}

.solution-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(201, 162, 39, 0.1), rgba(201, 162, 39, 0.05));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.solution-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.solution-card p {
    color: var(--gray-medium);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.solution-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold-dark);
    font-weight: 600;
    font-size: 0.95rem;
}

.solution-link:hover {
    gap: 12px;
    color: var(--gold-primary);
}

/* ============================================
   TRUSTED BY / CLIENTS
   ============================================ */
.clients-section {
    background: var(--gray-light);
    padding: 80px 0;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.client-item {
    background: var(--white);
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    font-weight: 500;
    color: var(--navy-dark);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: var(--transition);
}

.client-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(201, 162, 39, 0.2);
}

/* ============================================
   ABOUT / CONTENT SECTIONS
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h2 {
    margin-bottom: 24px;
}

.about-content p {
    color: var(--gray-medium);
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(10, 22, 40, 0.8));
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* ============================================
   TABLES
   ============================================ */
.table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

th, td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

th {
    background: var(--navy-dark);
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

th:first-child {
    border-radius: 12px 0 0 0;
}

th:last-child {
    border-radius: 0 12px 0 0;
}

tr:hover {
    background: rgba(201, 162, 39, 0.03);
}

td {
    font-size: 0.95rem;
}

/* ============================================
   PARTNERS GRID
   ============================================ */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
}

.partner-card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.partner-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(201, 162, 39, 0.3);
}

.partner-logo {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.partner-name {
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 4px;
}

.partner-domain {
    font-size: 0.85rem;
    color: var(--gray-medium);
}

/* ============================================
   INDUSTRIES
   ============================================ */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.industry-card {
    background: linear-gradient(135deg, var(--navy-dark), var(--navy-medium));
    border-radius: 20px;
    padding: 40px;
    color: var(--white);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(201, 162, 39, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.industry-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.industry-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.industry-card h3 {
    color: var(--white);
    margin-bottom: 8px;
}

.industry-focus {
    color: var(--gold-primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.industry-card p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.95rem;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info h2 {
    margin-bottom: 24px;
}

.contact-info > p {
    color: var(--gray-medium);
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(201, 162, 39, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 0.9rem;
    color: var(--gray-medium);
    font-weight: 500;
    margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
    color: var(--navy-dark);
    font-weight: 600;
}

.contact-item a:hover {
    color: var(--gold-primary);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--navy-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--navy-dark);
    color: var(--white);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    margin-top: 20px;
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-links h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--gold-primary);
    padding-left: 8px;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--navy-dark), var(--navy-medium));
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(201, 162, 39, 0.1), transparent 60%);
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.2rem;
    margin-bottom: 32px;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--navy-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 40px;
        gap: 8px;
        transition: right 0.4s ease;
        box-shadow: var(--shadow-xl);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(255, 255, 255, 0.05);
        margin-top: 8px;
        display: none;
    }
    
    .nav-item.dropdown-open .dropdown-menu {
        display: block;
    }
    
    .nav-cta {
        width: 100%;
        text-align: center;
        margin-left: 0;
        margin-top: 16px;
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
}