/* ===== CSS Variables ===== */
:root {
    --color-primary: #F16600;
    --color-primary-dark: #d55a00;
    --color-primary-light: #ff7a1a;
    --color-gray: #555759;
    --color-gray-dark: #3d3e40;
    --color-gray-light: #6e7073;
    --color-white: #ffffff;
    --color-off-white: #f8f9fa;
    --color-light-gray: #e9ecef;
    --color-text: #333333;
    --color-text-light: #666666;
    
    --font-primary: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.15);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    --border-radius: 8px;
    --border-radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

ul {
    list-style: none;
}

address {
    font-style: normal;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo img {
    height: 40px;
    width: auto;
}

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

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

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-gray);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -7px);
}

/* ===== Hero Section ===== */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: linear-gradient(135deg, rgba(241, 102, 0, 0.03) 0%, rgba(241, 102, 0, 0.08) 100%);
    transform: rotate(-15deg);
    border-radius: 50%;
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-illustration {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-illustration img {
    max-width: 100%;
    height: auto;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-gray-dark);
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
    -webkit-tap-highlight-color: transparent;
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-gray);
    border-color: var(--color-gray);
}

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

/* ===== Sections ===== */
.section {
    padding: 100px 0;
}

.section-alt {
    background-color: var(--color-off-white);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-gray-dark);
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* ===== About Section ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--color-text-light);
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 32px 16px;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== Timeline Section ===== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-light));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-bottom: 40px;
    padding-left: 40px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -42px;
    top: 0;
    width: 20px;
    height: 20px;
    background-color: var(--color-primary);
    border: 4px solid var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.timeline-year {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: 700;
    font-size: 1rem;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.timeline-content {
    background-color: var(--color-white);
    padding: 24px 28px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-dark);
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0;
}

/* ===== Services Section ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background-color: var(--color-white);
    padding: 40px 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    text-align: center;
}

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

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 50%;
    margin-bottom: 24px;
    color: var(--color-white);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-dark);
    margin-bottom: 16px;
}

.service-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== Projects Section ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.project-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-white);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.project-logo {
    height: 60px;
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.project-logo img {
    max-height: 100%;
    max-width: 180px;
    object-fit: contain;
}

.project-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-dark);
    margin-bottom: 12px;
}

.project-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: 16px;
}

.project-link {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.project-card:hover .project-link {
    color: var(--color-primary-dark);
}

/* ===== Certifications Section ===== */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.certification-card {
    background-color: var(--color-white);
    padding: 48px 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all var(--transition-normal);
}

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

.certification-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background-color: var(--color-off-white);
    border-radius: 50%;
    margin-bottom: 24px;
    color: var(--color-gray);
}

.certification-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-gray-dark);
    margin-bottom: 12px;
}

.certification-card p {
    color: var(--color-text-light);
    font-size: 1rem;
    line-height: 1.7;
}

/* ===== Contact Section ===== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.contact-card {
    background-color: var(--color-off-white);
    padding: 40px 32px;
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--color-primary);
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-dark);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-light-gray);
}

.contact-card address p,
.contact-info p {
    margin-bottom: 8px;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.contact-card address {
    margin-bottom: 20px;
}

.contact-info a {
    color: var(--color-primary);
    font-weight: 500;
}

.contact-info a:hover {
    text-decoration: underline;
}

.bank-name {
    font-size: 0.85rem;
    color: var(--color-gray-light);
}

.mt-1 {
    margin-top: 16px;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-gray-dark);
    color: var(--color-white);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo img {
    height: 35px;
    width: auto;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-white);
}

.footer-links ul,
.footer-projects ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-projects a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-illustration {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero h1 {
        font-size: 2.75rem;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-logo {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .hero-illustration {
        order: -1;
        max-width: 280px;
        margin: 0 auto;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .timeline {
        padding-left: 30px;
    }
    
    .timeline-item {
        padding-left: 30px;
    }
    
    .timeline-item::before {
        left: -32px;
        width: 16px;
        height: 16px;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .timeline-content p {
        font-size: 0.9rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: 24px;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu a {
        display: block;
        padding: 16px 0;
        border-bottom: 1px solid var(--color-light-gray);
        -webkit-tap-highlight-color: transparent;
    }
    
    .nav-menu a::after {
        display: none;
    }
    
    .hero {
        padding: 110px 0 50px;
    }
    
    .hero h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.75rem;
        margin-bottom: 35px;
    }
    
    .services-grid,
    .projects-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card,
    .project-card {
        padding: 28px 24px;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    
    .stat-item {
        padding: 20px 10px;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .footer-logo {
        grid-column: auto;
    }
    
    .contact-card {
        padding: 28px 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 100px 0 40px;
    }
    
    .hero h1 {
        font-size: 1.75rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-illustration {
        max-width: 220px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
        padding: 14px 24px;
        font-size: 0.95rem;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 30px;
    }
    
    .about-text p {
        font-size: 1rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .stat-item {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 16px;
        padding: 16px 20px;
    }
    
    .stat-number {
        font-size: 2rem;
        margin-bottom: 0;
    }
    
    .stat-label {
        text-align: left;
        font-size: 0.8rem;
    }
    
    .service-card,
    .project-card,
    .certification-card,
    .contact-card {
        padding: 24px 20px;
    }
    
    .service-icon {
        width: 64px;
        height: 64px;
    }
    
    .service-icon svg {
        width: 32px;
        height: 32px;
    }
    
    .service-card h3,
    .project-card h3 {
        font-size: 1.1rem;
    }
    
    .service-card p,
    .project-card p {
        font-size: 0.9rem;
    }
    
    .timeline {
        padding-left: 25px;
    }
    
    .timeline-item {
        padding-left: 25px;
        padding-bottom: 30px;
    }
    
    .timeline-item::before {
        left: -27px;
        width: 14px;
        height: 14px;
    }
    
    .timeline-year {
        font-size: 0.9rem;
        padding: 5px 12px;
    }
    
    .timeline-content {
        padding: 16px;
    }
    
    .timeline-content h3 {
        font-size: 1.1rem;
    }
    
    .timeline-content p {
        font-size: 0.85rem;
    }
    
    .footer {
        padding: 40px 0 0;
    }
    
    .footer h4 {
        font-size: 0.95rem;
    }
    
    .footer-links a,
    .footer-projects a {
        font-size: 0.9rem;
    }
    
    .service-card,
    .project-card,
    .contact-card,
    .certification-card {
        padding: 28px 24px;
    }
}

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

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

/* ===== Cookie Consent ===== */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-gray-dark);
    color: var(--color-white);
    padding: 20px;
    z-index: 9999;
    transform: translateY(100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
}

.cookie-consent.visible {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-content p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
    flex: 1;
    min-width: 280px;
}

.cookie-buttons {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        width: 100%;
        justify-content: center;
    }
}

/* ===== Print Styles ===== */
@media print {
    .cookie-consent {
        display: none;
    }
    .header,
    .hero-buttons,
    .nav-toggle {
        display: none;
    }
    
    .hero {
        padding-top: 40px;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .service-card,
    .project-card,
    .contact-card {
        box-shadow: none;
        border: 1px solid var(--color-light-gray);
    }
}