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

:root {
    /* 1C Brand Colors - Modern Gradient Palette */
    --primary: #FF6B00; /* 1C Orange */
    --primary-dark: #E55A00;
    --primary-light: #FF8A3D;
    --secondary: #0055A5; /* 1C Blue */
    --secondary-dark: #004488;
    --secondary-light: #3377CC;
    --accent: #00A8FF;
    
    /* Extended 1C Color Palette */
    --gradient-primary: linear-gradient(135deg, #FF6B00 0%, #FF8A3D 100%);
    --gradient-secondary: linear-gradient(135deg, #0055A5 0%, #3377CC 100%);
    --gradient-hero: linear-gradient(135deg, #FF6B00 0%, #0055A5 100%);
    
    --text-primary: #1A1F36;
    --text-secondary: #4A5568;
    --text-light: #718096;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F7FAFC;
    --bg-tertiary: #EDF2F7;
    
    --border-light: #E2E8F0;
    --border-medium: #CBD5E0;
    
    /* Modern Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== BASE STYLES ===== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
    font-size: 16px;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== ENHANCED HEADER ===== */
.header {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.375rem;
    color: var(--text-primary);
    transition: var(--transition);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo:hover {
    transform: translateY(-1px);
}

.logo-img {
    width: 40px;
    height: 40px;
    margin-right: 12px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    padding: 4px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    margin: 0;
    flex-wrap: wrap;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 0.75rem 0;
    position: relative;
    transition: var(--transition);
    font-size: 1rem;
}

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

.nav-link.active {
    color: var(--primary);
    font-weight: 700;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.telegram-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
}

.telegram-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--gradient-primary);
}

/* ===== ENHANCED HERO SECTION ===== */
.hero-section {
    text-align: center;
    padding: 4rem 0 3rem;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 3rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: var(--text-secondary);
    font-weight: 500;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== MODERN CARD STYLES ===== */
.modern-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition-slow);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

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

.modern-card.secondary::before {
    background: var(--gradient-secondary);
}

.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.card-content {
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 1.05rem;
}

.card-content p {
    margin-bottom: 1rem;
}

.card-actions {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ===== GRID LAYOUTS ===== */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* ===== ENHANCED BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* ===== ENHANCED ABOUT PAGE ===== */
.about-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.about-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-header .subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.about-section {
    margin-bottom: 3rem;
    padding: 2.5rem;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
}

.about-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.skill-category {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.skill-category h4 {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

/* ===== ENHANCED COMPETENCE STYLES ===== */
.competence-grid {
    display: grid;
    gap: 2rem;
}

.competence-item {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    padding: 2rem;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--secondary);
    transition: var(--transition);
}

.competence-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-xl);
}

.competence-scan-wrapper {
    flex-shrink: 0;
}

.competence-scan-container {
    width: 220px;
    cursor: pointer;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--border-light);
    transition: var(--transition);
    position: relative;
    box-shadow: var(--shadow-md);
}

.competence-scan-container:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.competence-scan {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.scan-hint {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 1rem;
    text-align: center;
    opacity: 0;
    transition: var(--transition);
    transform: translateY(10px);
}

.competence-scan-container:hover .scan-hint {
    opacity: 1;
    transform: translateY(0);
}

/* ===== ENHANCED RECALL STYLES ===== */
.recall-grid {
    display: grid;
    gap: 2rem;
}

.recall-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-light);
}

.recall-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.recall-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.recall-date {
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.recall-client {
    background: var(--gradient-secondary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
}

/* ===== ENHANCED PAGE HEADERS ===== */
.page-header {
    margin-bottom: 3rem;
    padding: 3rem 0;
    text-align: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1.25rem;
    font-weight: 500;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== ENHANCED FOOTER ===== */
.footer {
    background: linear-gradient(135deg, var(--text-primary) 0%, #2D3748 100%);
    color: white;
    padding: 4rem 0 2rem;
    margin-top: 6rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

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

.footer-info h3 {
    margin-bottom: 1rem;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-info p {
    opacity: 0.9;
    font-size: 1.05rem;
}

.footer-contacts p {
    margin-bottom: 0.75rem;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.05rem;
}

.footer-copyright {
    grid-column: 1 / -1;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.7;
    font-size: 0.95rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

.float {
    animation: float 3s ease-in-out infinite;
}

.gradient-animate {
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .nav {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .nav-menu {
        justify-content: center;
        gap: 1.5rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .competence-item {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .competence-scan-container {
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .page-content {
        padding: 1.5rem;
    }

    .about-section {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .main {
        padding: 1rem 0;
    }

    .page-content {
        padding: 1rem;
    }

    .modern-card {
        padding: 1.5rem;
    }

    .card-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden { display: none; }

/* ===== CUSTOM COMPONENTS ===== */
.content-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.improved-list {
    list-style: none;
    padding: 0;
}

.improved-list li {
    margin-bottom: 2rem;
}

/* ===== FORM STYLES ===== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input, .form-textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-primary);
    font-family: inherit;
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.1);
    transform: translateY(-2px);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.5;
}

/* ===== MODAL ENHANCEMENTS ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--bg-primary);
    margin: 2% auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    animation: slideIn 0.3s ease;
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    overflow: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2rem 1rem;
    border-bottom: 2px solid var(--border-light);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-body {
    padding: 2rem;
}

.modal-close {
    color: var(--text-light);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    background: none;
    border: none;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.modal-close:hover {
    color: var(--primary);
    background: var(--bg-secondary);
    transform: rotate(90deg);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ===== SOLUTION PAGE STYLES ===== */
.solution-accordion {
    margin: 2rem 0;
}

.accordion-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    border: 2px solid var(--border-light);
    overflow: hidden;
    transition: var(--transition);
}

.accordion-item:hover {
    border-color: var(--primary-light);
    transform: translateX(4px);
}

.accordion-header {
    padding: 1.5rem;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    font-size: 1.125rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.accordion-header:hover {
    background: var(--primary-dark);
}

.accordion-content {
    padding: 1.5rem;
    background: var(--bg-primary);
    line-height: 1.7;
}

.accordion-content p {
    margin-bottom: 1rem;
}

.accordion-content p:last-child {
    margin-bottom: 0;
}