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

html {
    scroll-behavior: smooth;
}

:root {
    --color-background: #eaeaea;
    --color-surface: #ffffff;
    --color-text: #2d1f27;
    --color-muted: #4e3842;
    --color-accent: #893168;
    --color-accent-rgb: 137, 49, 104;
    --shadow-soft: 0 10px 30px rgba(var(--color-accent-rgb), 0.18);
    --shadow-strong: 0 20px 50px rgba(var(--color-accent-rgb), 0.22);
    --border-soft: rgba(var(--color-accent-rgb), 0.18);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.65;
    color: var(--color-text);
    background-color: var(--color-background);
}

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

/* Navigation */
.navbar {
    background: transparent;
    backdrop-filter: none;
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: none;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 10rem;
    margin: 0 auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 10rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-menu-left,
.nav-menu-right {
    flex: 1;
}

.nav-menu-left {
    justify-content: flex-end;
}

.nav-menu-right {
    justify-content: flex-start;
}

.nav-logo {
    text-decoration: none;
    color: var(--color-accent);
    font-weight: 700;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    font-size: 1.1rem;
    transition: color 0.3s ease;
    font-family: 'Oranienbaum', 'Inter', serif;
}

.nav-logo:hover {
    color: var(--color-text);
}

.nav-link {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--color-accent);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #ffffff 0%, #eaeaea 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--color-text);
    opacity: 1;
    font-family: 'Oranienbaum', 'Inter', serif;
    text-align: center;
}

.highlight {
    color: var(--color-accent);
    display: inline-block;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--color-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
    font-family: 'Oranienbaum', 'Inter', serif;
    text-align: center;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary {
    background: var(--color-accent);
    color: #ffffff;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-strong);
}

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

.btn-secondary:hover {
    background: var(--color-accent);
    color: #ffffff;
    transform: translateY(-3px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-illustration {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle at top, rgba(var(--color-accent-rgb), 0.85) 0%, rgba(var(--color-accent-rgb), 0.60) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(var(--color-accent-rgb), 0.25);
}

.hero-illustration i {
    font-size: 4rem;
    color: #ffffff;
}

/* Section Styles */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--color-text);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    background: var(--color-accent);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--color-surface);
}

.about-description {
    font-size: 1.1rem;
    color: var(--color-muted);
    line-height: 1.8;
    margin-bottom: 3rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.08) 0%, rgba(234, 234, 234, 0.6) 100%);
    border-radius: 15px;
    border: 1px solid var(--border-soft);
    transition: transform 0.3s ease;
}

.stat:hover {
    transform: translateY(-5px);
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--color-muted);
    font-weight: 500;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #eaeaea 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--color-surface);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(var(--color-accent-rgb), 0.12);
    border: 1px solid var(--border-soft);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(var(--color-accent-rgb), 0.95) 0%, rgba(var(--color-accent-rgb), 0.75) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: #ffffff;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.service-card p {
    color: var(--color-muted);
    line-height: 1.6;
}

/* Portfolio Section */
.portfolio {
    padding: 100px 0;
    background: var(--color-surface);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background: transparent;
    border: 2px solid var(--border-soft);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    color: var(--color-muted);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--color-accent);
    color: #ffffff;
    border-color: transparent;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    transition: all 0.3s ease;
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-card {
    background: var(--color-surface);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(var(--color-accent-rgb), 0.12);
    border: 1px solid var(--border-soft);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
}

.portfolio-image {
    height: 200px;
    background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.95) 0%, rgba(var(--color-accent-rgb), 0.75) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.portfolio-image i {
    font-size: 3rem;
    color: #ffffff;
    transition: opacity 0.3s ease;
}

.portfolio-image .pdf-thumb {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #ffffff;
    padding: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-card:hover .portfolio-image .pdf-thumb {
    opacity: 1;
}

.portfolio-card:hover .portfolio-image i {
    opacity: 0;
}

.portfolio-content {
    padding: 2rem;
}

.portfolio-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.portfolio-content p {
    color: var(--color-muted);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.portfolio-tag {
    display: inline-block;
    background: var(--color-accent);
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #eaeaea 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--color-muted);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-muted);
}

.contact-method i {
    width: 20px;
    color: var(--color-accent);
}

.contact-form {
    background: var(--color-surface);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(var(--color-accent-rgb), 0.14);
    border: 1px solid var(--border-soft);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid transparent;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: rgba(234, 234, 234, 0.6);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.15);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--color-accent);
    color: #ffffff;
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(var(--color-accent-rgb), 0.18);
    color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--color-accent);
    color: #ffffff;
    transform: translateY(-3px);
}

/* PDF Modal */
.pdf-modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    z-index: 2000;
}

.pdf-modal.open {
    visibility: visible;
    opacity: 1;
}

.pdf-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(2px);
}

.pdf-modal-content {
    position: relative;
    width: min(1000px, 92vw);
    height: min(80vh, 92vh);
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    z-index: 1;
    display: flex;
    flex-direction: column;
}

.pdf-modal-close {
    position: absolute;
    top: 8px;
    right: 10px;
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    background: rgba(0, 0, 0, 0.06);
    cursor: pointer;
    z-index: 2;
}

#pdf-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: #ffffff;
}

.pdf-open-new {
    position: absolute;
    left: 12px;
    top: 10px;
    padding: 6px 10px;
    font-size: 0.9rem;
    background: var(--color-accent);
    color: #ffffff;
    border-radius: 8px;
    text-decoration: none;
    z-index: 2;
}

body.modal-open {
    overflow: hidden;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--color-surface);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(var(--color-accent-rgb), 0.14);
        padding: 2rem 0;
        gap: 2rem;
        height: calc(100vh - 70px);
        justify-content: flex-start;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-menu {
        flex-direction: column;
        gap: 1.5rem;
    }

    .nav-menu-left,
    .nav-menu-right {
        flex: unset;
        width: 100%;
        align-items: center;
        justify-content: center;
    }

    .nav-logo {
        font-size: 1.5rem;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

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

    .hero-description {
        font-size: 1.1rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .portfolio-filters {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .service-card,
    .portfolio-card {
        margin: 0 10px;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .hero-illustration {
        width: 250px;
        height: 250px;
    }

    .hero-illustration i {
        font-size: 3rem;
    }
}

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

.hero-content,
.service-card,
.portfolio-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll animations */
.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }
.service-card:nth-child(6) { animation-delay: 0.6s; }