/* 
   Main Stylesheet for Irina Shakhova's Business Consulting Website
   Using 2025 Fashion Color Palette
*/

/* ===== VARIABLES ===== */
:root {
    /* 2025 Fashion Color Palette */
    --mocha-mousse: #9F7A6A; /* Primary brand color */
    --crocus: #B8B2D3;
    --burning-red: #D12C1F;
    --convivial-yellow: #F9D949;
    
    --limpet-shell: #98DDDE; /* Secondary color */
    --kashmir: #6B8E76; /* Secondary color */
    --lime-cream: #D7E4C0;
    --powdery-blue: #B8D0EB;
    
    --ruby-red: #9B1B30; /* Accent color */
    --white-grape: #F5F5DC;
    --ethereal-lavender: #CBC3E3;
    --sophisticated-brown: #6B4226; /* Secondary brand color */
    
    --sudan-brown: #964B00; /* Neutral foundation */
    --secret-space: #2A3B4C;
    --honeyed-neutral: #D2B48C;
    --thunderstorm: #494949;
    
    /* Typography */
    --heading-font: 'Inter', sans-serif;
    --body-font: 'Open Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--body-font);
    line-height: 1.6;
    color: var(--thunderstorm);
    background-color: #fff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--sophisticated-brown);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2.2rem;
}

h3 {
    font-size: 1.8rem;
}

h4 {
    font-size: 1.4rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--mocha-mousse);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--sophisticated-brown);
}

ul {
    list-style: none;
}

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

/* ===== UTILITY CLASSES ===== */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: var(--border-radius-md);
    font-family: var(--heading-font);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-medium);
    border: none;
}

.btn-primary {
    background-color: var(--mocha-mousse);
    color: white;
}

.btn-primary:hover {
    background-color: var(--sophisticated-brown);
    color: white;
}

.btn-secondary {
    background-color: transparent;
    color: var(--mocha-mousse);
    border: 2px solid var(--mocha-mousse);
}

.btn-secondary:hover {
    background-color: var(--mocha-mousse);
    color: white;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    font-family: var(--heading-font);
    font-size: 1.2rem;
    color: var(--mocha-mousse);
    margin-top: -0.5rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-medium);
}

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

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0;
}

.tagline {
    font-size: 0.9rem;
    color: var(--mocha-mousse);
    margin-bottom: 0;
}

.main-nav ul {
    display: flex;
    gap: var(--spacing-md);
}

.main-nav a {
    font-family: var(--heading-font);
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--mocha-mousse);
    transition: width var(--transition-medium);
}

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

.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--sophisticated-brown);
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: calc(var(--spacing-xl) * 2) 0 var(--spacing-xl);
    background: linear-gradient(135deg, rgba(245, 245, 220, 0.8), rgba(215, 228, 192, 0.8));
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: rgba(255, 255, 255, 0.1);
    z-index: -1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--sophisticated-brown);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--thunderstorm);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.hero-image {
    position: relative;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    transition: transform var(--transition-slow);
}

.hero-image:hover .hero-img {
    transform: scale(1.05);
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--spacing-xl) 0;
    background-color: #fff;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-image {
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    transition: transform var(--transition-slow);
}

.about-image:hover .about-img {
    transform: scale(1.05);
}

.about-text h3 {
    color: var(--mocha-mousse);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.about-text h3:first-child {
    margin-top: 0;
}

.expertise-list {
    margin-top: var(--spacing-md);
}

.expertise-list li {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.expertise-list i {
    font-size: 2rem;
    color: var(--mocha-mousse);
    flex-shrink: 0;
    margin-top: 0.5rem;
}

.expertise-list h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--sophisticated-brown);
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--spacing-xl) 0;
    background-color: var(--white-grape);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.service-card {
    background-color: #fff;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    display: flex;
    flex-direction: column;
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(159, 122, 106, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.service-icon i {
    font-size: 2rem;
    color: var(--mocha-mousse);
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--sophisticated-brown);
}

.service-features {
    margin-top: var(--spacing-sm);
    padding-left: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.service-features li {
    position: relative;
    padding-left: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.service-features li::before {
    content: "•";
    color: var(--mocha-mousse);
    position: absolute;
    left: 0;
}

.service-image {
    margin-top: auto;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    height: 180px;
}

.service-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.service-image:hover .service-img {
    transform: scale(1.05);
}

.service-process {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.service-process h3 {
    margin-bottom: var(--spacing-md);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 60px;
    right: 60px;
    height: 2px;
    background-color: var(--mocha-mousse);
    z-index: 1;
}

.process-step {
    position: relative;
    z-index: 2;
    flex: 1;
    padding: 0 var(--spacing-sm);
}

.step-number {
    width: 80px;
    height: 80px;
    background-color: var(--mocha-mousse);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--heading-font);
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-sm);
}

.process-step h4 {
    margin-bottom: var(--spacing-xs);
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--spacing-xl) 0;
    background-color: #fff;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-info h3,
.contact-form-container h3 {
    margin-bottom: var(--spacing-md);
}

.contact-methods {
    margin-top: var(--spacing-md);
}

.contact-method {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--mocha-mousse);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact-method h4 {
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.contact-method p {
    margin-bottom: 0;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--mocha-mousse);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-medium);
}

.social-links a:hover {
    background-color: var(--sophisticated-brown);
}

.contact-form {
    background-color: var(--white-grape);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-sm);
    font-family: var(--body-font);
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--mocha-mousse);
    box-shadow: 0 0 0 2px rgba(159, 122, 106, 0.2);
}

.contact-form .btn {
    margin-top: var(--spacing-sm);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--secret-space);
    color: #fff;
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.footer-logo h3 {
    color: #fff;
    margin-bottom: 0.25rem;
}

.footer-logo p {
    color: var(--limpet-shell);
    margin-bottom: 0;
}

.footer-links ul {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: #fff;
}

.footer-links a:hover {
    color: var(--limpet-shell);
}

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

.footer-bottom p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .hero .container,
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        order: -1;
    }
    
    .process-steps {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .process-steps::before {
        top: 0;
        bottom: 0;
        left: 40px;
        right: auto;
        width: 2px;
        height: auto;
    }
    
    .process-step {
        display: flex;
        align-items: center;
        text-align: left;
        padding: 0;
    }
    
    .step-number {
        margin: 0 var(--spacing-md) 0 0;
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .service-image {
        height: 150px;
    }
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .main-nav {
        display: none;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    /* Mobile Navigation - to be controlled by JavaScript */
    .main-nav.active {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        padding: var(--spacing-md) 0;
    }
    
    .main-nav.active ul {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links ul {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .service-image {
        height: 200px;
    }
}