/* ===========================
   MODERN ROPEWORK CSS
   =========================== */

/* CSS Variables */
:root {
    --primary-color: #ff9900;
    --secondary-color: #e68a00;
    --dark-bg: #333333;
    --dark-secondary: #222222;
    --light-bg: #f8f9fa;
    --text-dark: #333;
    --text-light: #CFCFCF;
    --accent-color: #ff9900;
    --success-color: #27ae60;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Montserrat', sans-serif;

    --transition-speed: 0.3s;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --box-shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: #fff;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-speed) ease;
}

ul {
    list-style: none;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 8px 20px rgba(231, 76, 60, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(231, 76, 60, 0.4);
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: transparent;
    padding: 20px 0;
    z-index: 1000;
    transition: all var(--transition-speed) ease;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0px 1px 4px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    transition: all var(--transition-speed) ease;
}

.navbar.scrolled .logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    color: white;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.5px;
    position: relative;
}

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

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

.lang-switch {
    display: flex;
    align-items: center;
    padding: 8px;
    border-radius: 50%;
    transition: all var(--transition-speed) ease;
}

.lang-switch:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: all var(--transition-speed) ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0;
    transition: opacity 1.5s ease;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 900px;
    padding: 0 20px;
}

.hero-logo {
    margin-bottom: 30px;
    animation: fadeInDown 1s ease;
}

.hero-logo img {
    width: 150px;
    margin: 0 auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.subtitle {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text-light);
    animation: fadeInLeft 1s ease 0.2s both;
}

.main-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: #ff9900;
    animation: fadeInRight 1s ease 0.4s both;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-content .btn {
    animation: fadeInUp 1s ease 0.8s both;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-20px); }
    60% { transform: translateX(-50%) translateY(-10px); }
}

.slider-controls {
    position: absolute;
    bottom: 50px;
    right: 50px;
    z-index: 3;
    display: flex;
    gap: 15px;
}

.slider-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.slider-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

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

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* IRATA Banner */
.irata-banner {
    background: #333333;
    padding: 80px 0;
    color: white;
}

.irata-content {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 50px;
    align-items: center;
}

.irata-logo img {
    width: 100%;
    filter: brightness(1.1);
}

.irata-text h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 20px;
}

.irata-text .highlight {
    color: var(--primary-color);
}

.irata-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.section-title .highlight {
    color: var(--primary-color);
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto;
    border-radius: 2px;
}

.section-description {
    font-size: 1.1rem;
    color: #666;
    margin-top: 20px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* About Section */
.about-section {
    padding: 100px 0;
    background: var(--light-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text {
    font-size: 1.05rem;
    line-height: 1.9;
}

.about-text .lead {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.about-text p {
    margin-bottom: 20px;
    color: #555;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed) ease;
    text-align: center;
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

/* Services Section */
.services-section {
    padding: 100px 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: all var(--transition-speed) ease;
    border: 2px solid transparent;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1), rgba(192, 57, 43, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--primary-color);
    font-size: 2.2rem;
    transition: all var(--transition-speed) ease;
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.service-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
}

/* Portfolio Section */
.portfolio-section {
    padding: 100px 0;
    background: var(--light-bg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed) ease;
}

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

.portfolio-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 153, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-content {
    text-align: center;
    color: white;
    padding: 30px;
    transform: translateY(20px);
    transition: transform var(--transition-speed) ease;
}

.portfolio-item:hover .portfolio-content {
    transform: translateY(0);
}

.portfolio-content h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    line-height: 1.4;
}

/* Videos Section */
.videos-section {
    padding: 100px 0;
    background: white;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.video-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    aspect-ratio: 16/9;
    transition: all var(--transition-speed) ease;
}

.video-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-hover);
}

.video-item iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background: url(images/parallax/4.jpg) fixed;
    background-size: cover;
    color: white;
}

.contact-section .section-title {
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: start;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.contact-details a {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 500;
}

.contact-details a:hover {
    color: var(--secondary-color);
}

.contact-details p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.9);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: all var(--transition-speed) ease;
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-5px);
}

.contact-cta {
    background: rgba(255, 255, 255, 0.05);
    padding: 50px;
    border-radius: 15px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.contact-cta h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-cta p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
}

.contact-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

/* Footer */
.footer {
    background: #222222;
    padding: 40px 0;
    color: white;
    position: relative;
}

.footer-content {
    text-align: center;
}

.footer-logo img {
    width: 120px;
    margin: 0 auto 20px;
}

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

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) ease;
    z-index: 999;
    box-shadow: 0 5px 20px rgba(231, 76, 60, 0.4);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.5);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-title {
        font-size: 3rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .irata-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .irata-logo img {
        width: 200px;
        margin: 0 auto;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    /* Navigation */
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(26, 26, 46, 0.98);
        backdrop-filter: blur(10px);
        padding: 100px 40px;
        transition: right 0.4s ease;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-links {
        flex-direction: column;
        gap: 30px;
        align-items: flex-start;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    /* Hero */
    .main-title {
        font-size: 2.2rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .slider-controls {
        bottom: 30px;
        right: 50%;
        transform: translateX(50%);
    }

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

    .about-features {
        grid-template-columns: 1fr;
    }

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

    .contact-cta {
        padding: 30px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 20px;
    }

    .main-title {
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .hero-logo img {
        width: 100px;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hamburger,
    .scroll-top,
    .slider-controls,
    .scroll-indicator {
        display: none;
    }
}