/* Variables */
:root {
    --clr-primary: #1a365d; /* Deep Navy Blue */
    --clr-primary-light: #2c5282;
    --clr-accent: #d4a843; /* Gold/Amber */
    --clr-accent-hover: #b89036;
    --clr-text-main: #333333;
    --clr-text-light: #666666;
    --clr-bg-main: #ffffff;
    --clr-bg-light: #f7fafc;
    --clr-border: #e2e8f0;
    --clr-error: #e53e3e;
    --clr-success: #38a169;
    
    --ff-body: 'Inter', sans-serif;
    --ff-heading: 'Playfair Display', serif;
    
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

/* Reset & Global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--ff-body);
    color: var(--clr-text-main);
    line-height: 1.6;
    background-color: var(--clr-bg-main);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--ff-heading);
    color: var(--clr-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--clr-text-light);
}

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

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

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

.bg-light {
    background-color: var(--clr-bg-light);
}

.grid {
    display: grid;
    gap: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--clr-accent);
    color: #fff;
    border-color: var(--clr-accent);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--clr-accent-hover);
    border-color: var(--clr-accent-hover);
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    color: var(--clr-primary);
    border-color: var(--clr-primary);
}

.btn-outline:hover, .btn-outline:focus {
    background-color: var(--clr-primary);
    color: #fff;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Header & Nav */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    transition: var(--transition);
    padding: 1.5rem 0;
}

.header.scrolled {
    background-color: #fff;
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
}

.header.scrolled .logo {
    color: var(--clr-primary);
}

.header.scrolled .nav-link {
    color: var(--clr-text-main);
}

.nav-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--ff-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff; /* Starts white on hero image */
}

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

.nav-link {
    font-weight: 500;
    color: #fff; /* Starts white on hero image */
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-accent);
    transition: var(--transition);
}

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

.header.scrolled .btn-nav {
    color: #fff;
}
.btn-nav {
    background-color: var(--clr-accent);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}
.btn-nav::after {
    display: none;
}
.btn-nav:hover {
    background-color: var(--clr-accent-hover);
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--clr-accent);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--clr-accent);
    transition: var(--transition);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(rgba(26, 54, 93, 0.8), rgba(26, 54, 93, 0.7)), url('https://images.unsplash.com/photo-1581578731548-c64695cc6952?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    padding-top: 5rem;
}

.hero-content {
    max-width: 800px;
    padding: 0 1rem;
}

.hero h1 {
    color: #fff;
    font-size: clamp(3rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
}

.hero p {
    color: #f7fafc;
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
}

/* Services */
.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
    background-color: #fff;
    padding: 2.5rem 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--clr-border);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

/* About */
.about-content {
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-primary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
}

/* Why Us */
.features-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem 2rem;
}

.feature {
    text-align: center;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--clr-accent);
}

/* Process */
.process-steps {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    position: relative;
}

.step {
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--clr-accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    font-family: var(--ff-heading);
}

/* Testimonials */
.testimonial-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    min-height: 250px;
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    text-align: center;
    padding: 2rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    pointer-events: none;
}

.testimonial-slide.active {
    opacity: 1;
    pointer-events: auto;
    position: relative;
}

.stars {
    color: var(--clr-accent);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.quote {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--clr-text-main);
    margin-bottom: 1.5rem;
}

.author {
    font-weight: 600;
    color: var(--clr-primary);
}

/* Pricing */
.pricing-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    align-items: center;
}

.pricing-card {
    background-color: #fff;
    padding: 3rem 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid var(--clr-border);
    position: relative;
}

.pricing-card.featured {
    transform: scale(1.05);
    border-color: var(--clr-accent);
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--clr-accent);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.price {
    font-size: 1rem;
    color: var(--clr-text-light);
    margin: 1.5rem 0;
}

.price span {
    font-size: 3rem;
    font-weight: 700;
    color: var(--clr-primary);
}

.pricing-features {
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--clr-border);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* Contact */
.contact-grid {
    grid-template-columns: 1fr 1fr;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-item .icon {
    font-size: 1.5rem;
}

.contact-form-container {
    background-color: #fff;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--clr-primary);
}

input, select, textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--clr-border);
    border-radius: 4px;
    font-family: inherit;
    transition: border-color 0.3s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--clr-accent);
}

.error-message {
    display: none;
    color: var(--clr-error);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.form-group.error input,
.form-group.error select {
    border-color: var(--clr-error);
}

.form-group.error .error-message {
    display: block;
}

.form-success {
    background-color: var(--clr-success);
    color: #fff;
    padding: 1rem;
    border-radius: 4px;
    text-align: center;
    margin-top: 1rem;
}

.hidden {
    display: none;
}

.form-error {
    background-color: var(--clr-error);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Footer */
.footer {
    background-color: var(--clr-primary);
    color: #fff;
    padding: 4rem 0 2rem;
}

.footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
    margin-bottom: 3rem;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 1rem;
}

.footer-about p {
    color: rgba(255,255,255,0.7);
}

.footer-links h3, .footer-social h3 {
    color: #fff;
    font-family: var(--ff-body);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

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

.footer-links a {
    color: rgba(255,255,255,0.7);
}

.footer-links a:hover {
    color: var(--clr-accent);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: #fff;
}

.social-icons a:hover {
    background-color: var(--clr-accent);
}

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

.footer-bottom p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 0;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.appear {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Responsive Media Queries */
@media (max-width: 992px) {
    .pricing-card.featured {
        transform: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .header .logo {
        color: var(--clr-primary);
    }
    .header {
        background-color: #fff;
        padding: 1rem 0;
        box-shadow: var(--shadow-sm);
    }
    .header .nav-link { color: var(--clr-text-main); }
    
    .navbar {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: #fff;
        transition: var(--transition);
        overflow-y: auto;
    }
    
    .navbar.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
    }
    
    .about-content, .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}