/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-black: #000000;
    --color-gold: #D4AF37;
    --color-deep-red: #8B0000;
    --color-white: #FFFFFF;
    --color-gray-100: #F8F9FA;
    --color-gray-200: #E9ECEF;
    --color-gray-300: #DEE2E6;
    --color-gray-400: #CED4DA;
    --color-gray-500: #ADB5BD;
    --color-gray-600: #6C757D;
    --color-gray-700: #495057;
    --color-gray-800: #343A40;
    --color-gray-900: #212529;
    
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Playfair Display', serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-black);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 600;
    line-height: 1.2;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 0.9;
    color: var(--color-gold);
}

.hero-title .line {
    display: block;
    transform: translateY(100px);
    opacity: 0;
    animation: slideInUp 1s ease-out forwards;
}

.hero-title .line:nth-child(2) {
    animation-delay: 0.2s;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    margin-bottom: 2rem;
}

.section-number {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.5rem;
}

.lead {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--color-gray-700);
    margin-bottom: 1.5rem;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: var(--transition-smooth);
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    padding: 0.5rem 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-black);
    font-weight: 700;
    letter-spacing: 0.05em;
}

.logo {
    height: 48px;
    margin-right: 0.75rem;
}

.brand-text {
    font-family: var(--font-secondary);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gold);
}

.navbar-nav .nav-link {
    color: var(--color-gray-600);
    font-weight: 500;
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    position: relative;
    transition: var(--transition-smooth);
}

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

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: var(--transition-smooth);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 80%;
}

.navbar-toggler {
    border: none;
    padding: 0.25rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280, 0, 0, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Flash Messages */
.flash-messages {
    position: fixed;
    top: 100px;
    right: 2rem;
    z-index: 1050;
    min-width: 300px;
}

.alert {
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-100) 100%);
}

.hero-content {
    text-align: center;
    position: relative;
}

.hero-logo-showcase {
    text-align: center;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 1.2s ease-out 0.3s forwards;
}

.hero-subtitle {
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--color-gray-600);
    margin-bottom: 2rem;
    transform: translateY(50px);
    opacity: 0;
    animation: slideInUp 1s ease-out 0.4s forwards;
}

.hero-description {
    transform: translateY(50px);
    opacity: 0;
    animation: slideInUp 1s ease-out 0.6s forwards;
}

.hero-description p {
    font-size: 1.125rem;
    color: var(--color-gray-700);
    max-width: 600px;
    margin: 0 auto;
}



/* Content Sections */
.content-section {
    padding: 120px 0;
    position: relative;
}

.content-section:nth-child(even) {
    background: var(--color-gray-100);
}

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

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

.dark-section .lead {
    color: var(--color-gray-300);
}

.dark-section p {
    color: var(--color-gray-400);
}

.section-header {
    margin-bottom: 3rem;
}

.section-content {
    font-size: 1.125rem;
    line-height: 1.7;
}

.section-content p {
    margin-bottom: 1.5rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    padding: 1.5rem;
    border-radius: 12px;
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: var(--transition-smooth);
}

.dark-section .feature-item {
    background: rgba(212, 175, 55, 0.1);
    border-color: rgba(212, 175, 55, 0.2);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 24px;
    height: 24px;
    color: var(--color-gold);
    margin-bottom: 1rem;
}

.feature-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-black);
}

.dark-section .feature-item h4 {
    color: var(--color-white);
}

.feature-item p {
    font-size: 0.95rem;
    color: var(--color-gray-600);
    margin: 0;
}

.dark-section .feature-item p {
    color: var(--color-gray-400);
}

/* Diagnostic Process */
.diagnostic-process {
    margin-top: 3rem;
}

.process-step {
    margin-bottom: 2rem;
    padding-left: 4rem;
    position: relative;
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 3rem;
    height: 3rem;
    background: var(--color-gold);
    color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.process-step h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--color-white);
}

.process-step p {
    font-size: 0.95rem;
    color: var(--color-gray-400);
    margin: 0;
}

/* Implementation Framework */
.implementation-framework {
    margin-top: 3rem;
    display: grid;
    gap: 2rem;
}

.framework-element {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.element-icon {
    width: 24px;
    height: 24px;
    color: var(--color-gold);
    margin-bottom: 1rem;
}

.framework-element h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-black);
}

.framework-element p {
    font-size: 0.95rem;
    color: var(--color-gray-600);
    margin: 0;
}

/* Contact Section */
.contact-info {
    margin-bottom: 3rem;
}

.contact-details {
    margin-top: 2rem;
}

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

.contact-icon {
    width: 20px;
    height: 20px;
    color: var(--color-gold);
    margin-right: 1rem;
}

.contact-item span {
    color: var(--color-gray-700);
    font-weight: 500;
}

/* Contact Form */
.contact-form-container {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--color-gray-200);
}

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

.form-label {
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
    display: block;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition-smooth);
    background: var(--color-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.btn-submit {
    background: var(--color-black);
    color: var(--color-white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: var(--transition-smooth);
    cursor: pointer;
    width: 100%;
}

.btn-submit:hover {
    background: var(--color-gold);
    color: var(--color-black);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Footer */
.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
}

.footer-logo-img {
    height: 24px;
    margin-right: 0.75rem;
}

.footer-brand {
    font-family: var(--font-secondary);
    font-weight: 600;
    color: var(--color-gold);
}

.footer-text p {
    margin: 0;
    color: var(--color-gray-400);
    font-size: 0.875rem;
}

/* Animations */
@keyframes slideInUp {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

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



/* Responsive Design */
@media (max-width: 768px) {
    .content-section {
        padding: 80px 0;
    }
    
    .hero-section {
        padding: 100px 0 40px;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .process-step {
        padding-left: 3.5rem;
    }
    
    .step-number {
        width: 2.5rem;
        height: 2.5rem;
    }
    
    .contact-form-container {
        padding: 2rem;
        margin-top: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .flash-messages {
        right: 1rem;
        left: 1rem;
        min-width: auto;
    }
}

@media (max-width: 576px) {
    .navbar {
        padding: 0.75rem 0;
    }
    
    .hero-section {
        padding: 80px 0 30px;
    }
    
    .content-section {
        padding: 60px 0;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
}

/* Smooth Scrolling Enhancement */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-white: #1a1a1a;
        --color-black: #ffffff;
        --color-gray-100: #2a2a2a;
        --color-gray-200: #3a3a3a;
        --color-gray-300: #4a4a4a;
        --color-gray-400: #6a6a6a;
        --color-gray-500: #8a8a8a;
        --color-gray-600: #aaaaaa;
        --color-gray-700: #cccccc;
        --color-gray-800: #e0e0e0;
        --color-gray-900: #f0f0f0;
    }
}