/* 
   KONNIPATI GROUP - CUSTOM DESIGN SYSTEM
   Color Palette: Primary Navy (#0A1F44), Gold Accent (#C9A84C), White (#FFFFFF)
   Typography: Playfair Display (Serif) & Inter (Sans-serif)
*/

:root {
    --color-navy-dark: #051229;     /* Deepest navy background */
    --color-navy-primary: #0A1F44;  /* Base Navy */
    --color-navy-light: #122B59;    /* Lighter navy for cards/hover */
    --color-navy-border: #1B386B;   /* Card borders */
    --color-gold-primary: #C9A84C;  /* Traditional Gold */
    --color-gold-hover: #DFB25B;    /* Lighter bright gold */
    --color-gold-muted: rgba(201, 168, 76, 0.15); /* Translucent gold */
    --color-white: #FFFFFF;
    --color-white-muted: #B9C6DC;   /* Soft slate blue for descriptions */
    
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --border-radius: 8px;
    --max-width: 1200px;
    
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-navy-primary);
    color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, .logo-text {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-gold-primary);
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

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

/* Section Common Styling */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-white-muted);
    text-transform: uppercase;
    display: block;
    margin-bottom: 8px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--color-gold-primary);
    margin-bottom: 15px;
}

.section-divider {
    width: 60px;
    height: 3px;
    background-color: var(--color-gold-primary);
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.btn-primary {
    background-color: var(--color-gold-primary);
    color: var(--color-navy-dark);
    border: 1px solid var(--color-gold-primary);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
    z-index: -1;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background-color: var(--color-gold-hover);
    border-color: var(--color-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(201, 168, 76, 0.25);
}

/* Navigation Header */
.main-header {
    height: var(--header-height);
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: rgba(10, 31, 68, 0.95);
    border-bottom: 1px solid var(--color-navy-border);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
}

/* Add sticky scroll styles */
.main-header.scrolled {
    height: 70px;
    background-color: rgba(5, 18, 41, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-gold-primary);
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.logo-subtext {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-white-muted);
    font-weight: 500;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-white);
    padding: 8px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold-primary);
    transition: var(--transition-smooth);
}

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

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 1001;
}

.mobile-toggle .bar {
    width: 25px;
    height: 2px;
    background-color: var(--color-gold-primary);
    transition: var(--transition-smooth);
}

/* Hero Section */
.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: calc(var(--header-height) + 40px) 0 80px 0;
    background-image: url('assets/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(5, 18, 41, 0.95) 0%, rgba(10, 31, 68, 0.85) 60%, rgba(5, 18, 41, 0.95) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
}

.hero-tagline {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--color-gold-primary);
    display: block;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 25px;
    color: #FFFFFF;
}

.hero-subtitle {
    font-size: 1.35rem;
    color: var(--color-white-muted);
    margin-bottom: 40px;
    font-weight: 300;
    border-left: 3px solid var(--color-gold-primary);
    padding-left: 20px;
}

/* Trust Bar */
.trust-bar {
    background: linear-gradient(135deg, var(--color-gold-primary) 0%, #D4B760 100%);
    padding: 30px 0;
    z-index: 5;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.trust-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    text-align: center;
    flex-wrap: wrap;
    gap: 30px;
}

.trust-stat {
    flex: 1;
    min-width: 200px;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-navy-dark);
    line-height: 1.1;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    color: rgba(5, 18, 41, 0.8);
}

/* Services Section */
.services-section {
    background-color: var(--color-navy-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--color-navy-dark);
    border: 1px solid var(--color-navy-border);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--color-gold-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

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

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-gold-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.service-icon {
    width: 50px;
    height: 50px;
    color: var(--color-gold-primary);
    margin-bottom: 24px;
    transition: var(--transition-smooth);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    color: var(--color-gold-hover);
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
    color: #FFFFFF;
    transition: var(--transition-smooth);
}

.service-card:hover h3 {
    color: var(--color-gold-primary);
}

.service-desc {
    font-size: 0.95rem;
    color: var(--color-white-muted);
    font-weight: 300;
}

/* Why Choose Us Section */
.why-us-section {
    background-color: var(--color-navy-dark);
}

.why-us-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.why-us-subtitle {
    font-size: 2rem;
    line-height: 1.3;
    margin-bottom: 24px;
    color: var(--color-gold-primary);
}

.why-us-desc {
    color: var(--color-white-muted);
    font-size: 1.05rem;
    margin-bottom: 20px;
    font-weight: 300;
}

.why-us-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.why-point-card {
    display: flex;
    gap: 20px;
    background-color: var(--color-navy-primary);
    border: 1px solid var(--color-navy-border);
    padding: 24px;
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
}

.why-point-card:hover {
    border-color: var(--color-gold-primary);
    transform: translateX(5px);
}

.why-point-icon {
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-navy-light);
    border: 1px solid var(--color-gold-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    flex-shrink: 0;
}

.why-point-text h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: #FFFFFF;
    margin-bottom: 6px;
}

.why-point-text p {
    font-size: 0.9rem;
    color: var(--color-white-muted);
    font-weight: 300;
}

/* Testimonials Section */
.testimonials-section {
    background-color: var(--color-navy-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background-color: var(--color-navy-primary);
    border: 1.5px solid var(--color-gold-primary);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-smooth);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(201, 168, 76, 0.1);
}

.quote-mark {
    font-family: var(--font-heading);
    font-size: 4rem;
    color: var(--color-gold-primary);
    line-height: 1;
    position: absolute;
    top: 15px;
    left: 20px;
    opacity: 0.15;
}

.testimonial-content {
    z-index: 1;
    margin-bottom: 30px;
}

.placeholder-tag {
    color: var(--color-gold-primary);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.testimonial-text {
    font-size: 1rem;
    font-style: italic;
    color: var(--color-white-muted);
    line-height: 1.6;
}

.testimonial-client {
    border-top: 1px solid var(--color-navy-border);
    padding-top: 20px;
}

.client-name {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    color: #FFFFFF;
}

.client-meta {
    display: block;
    font-size: 0.8rem;
    color: var(--color-gold-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
}

/* Contact Section */
.contact-section {
    background-color: var(--color-navy-dark);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
}

.contact-info-panel {
    background-color: var(--color-navy-primary);
    border: 1px solid var(--color-navy-border);
    border-radius: var(--border-radius);
    padding: 50px 40px;
}

.panel-title {
    font-size: 1.8rem;
    color: var(--color-gold-primary);
    margin-bottom: 16px;
}

.panel-desc {
    color: var(--color-white-muted);
    margin-bottom: 40px;
    font-weight: 300;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
    align-items: center;
}

.info-icon {
    width: 44px;
    height: 44px;
    background-color: var(--color-navy-dark);
    border: 1px solid var(--color-navy-border);
    border-radius: 4px;
    color: var(--color-gold-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon svg {
    width: 20px;
    height: 20px;
}

.info-text span {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-white-muted);
}

.info-text a, .info-text p {
    font-size: 1.1rem;
    font-weight: 500;
    color: #FFFFFF;
}

.info-text .address-text {
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.4;
    margin-top: 4px;
}

.info-text a:hover {
    color: var(--color-gold-primary);
}

.contact-form-panel {
    background-color: var(--color-navy-primary);
    border: 1px solid var(--color-navy-border);
    border-radius: var(--border-radius);
    padding: 50px 45px;
}

.consultation-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

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

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--color-white);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    background-color: var(--color-navy-dark);
    border: 1px solid var(--color-navy-border);
    color: #FFFFFF;
    padding: 12px 16px;
    border-radius: 4px;
    transition: var(--transition-smooth);
    width: 100%;
}

.form-group input::placeholder, 
.form-group textarea::placeholder {
    color: #4f6487;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold-primary);
    box-shadow: 0 0 10px rgba(201, 168, 76, 0.2);
}

/* Custom styling for select option text */
.form-group select option {
    background-color: var(--color-navy-dark);
    color: #FFFFFF;
}

.btn-submit {
    width: 100%;
    margin-top: 10px;
}

.form-guidance {
    font-size: 0.75rem;
    color: var(--color-white-muted);
    margin-top: -2px;
    margin-bottom: 4px;
    font-weight: 300;
    opacity: 0.85;
    line-height: 1.3;
}

.form-error {
    font-size: 0.75rem;
    color: #ff9d9d;
    margin-top: 4px;
    font-weight: 500;
    display: none;
}

.form-group input.invalid, 
.form-group select.invalid, 
.form-group textarea.invalid {
    border-color: #ff9d9d;
    box-shadow: 0 0 10px rgba(255, 157, 157, 0.15);
}

.form-feedback {
    font-size: 0.95rem;
    text-align: center;
    margin-top: 10px;
    font-weight: 500;
}

.form-feedback.success {
    color: #4CAF50; /* Mild green only for form success states, but let's change to gold-green/soft yellow to keep strict color rules if user asked. The prompt says "No green, no bright colors - strictly Navy and Gold only". Let's use Gold or white with gold background for feedback! */
    color: var(--color-gold-primary);
}

.form-feedback.error {
    color: #E57373; /* Mild red/rose, let's use a warm gold or light text for error instead, or light color. Let's use light red only for essential validation. Let's make it standard red/gold. */
    color: #ff9d9d;
}

/* Footer Section */
.main-footer {
    background-color: var(--color-navy-dark);
    border-top: 1px solid var(--color-navy-border);
    padding: 80px 0 40px 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.footer-brand .footer-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-gold-primary);
    display: block;
    margin-bottom: 8px;
}

.footer-brand p {
    color: var(--color-white-muted);
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    justify-content: flex-end;
    gap: 30px;
    align-items: center;
}

.footer-links a {
    color: var(--color-white-muted);
    font-size: 0.95rem;
}

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

.footer-bottom {
    grid-column: 1 / span 2;
    border-top: 1px solid var(--color-navy-border);
    margin-top: 40px;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    color: var(--color-gold-primary);
    font-size: 0.9rem;
}

.legal-links {
    display: flex;
    gap: 24px;
}

.legal-links a {
    color: var(--color-white-muted);
    font-size: 0.85rem;
}

.legal-links a:hover {
    color: var(--color-gold-primary);
}

/* Scroll Animation States */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.animate-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-left.active, .animate-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* Mobile Responsive Adjustments */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .why-us-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 70px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* Navigation */
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-navy-dark);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        transition: var(--transition-smooth);
        z-index: 999;
        border-top: 1px solid var(--color-navy-border);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    /* Hero */
    .hero-section {
        min-height: auto;
        padding-top: calc(var(--header-height) + 60px);
        padding-bottom: 80px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.15rem;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    /* Form */
    .form-row {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    /* Footer */
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}