/* ===== Prosessiv Website Styles =====
   Author: digitalcloud.no
   Copyright © 2024 digitalcloud.no
   All rights reserved.
===================================== */

/* ===== CSS Variables ===== */
:root {
    --primary-color: #6d28d9;
    --primary-dark: #5b21b6;
    --primary-light: #8b5cf6;
    --secondary-color: #a78bfa;
    --accent-color: #ff6b35;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-light: #999999;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-dark: #0a0a0a;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ===== 3D Canvas Background ===== */
#webgl-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
}

.logo-img {
    height: 40px;
    width: auto;
    transition: var(--transition);
    filter: brightness(1);
}

.navbar.scrolled .logo-img {
    height: 35px;
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(246deg) brightness(104%) contrast(97%);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.navbar.scrolled .nav-link {
    color: var(--text-primary);
}

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

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

.nav-cta {
    background: white;
    color: var(--primary-color);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
    position: relative;
    transform-style: preserve-3d;
}

.nav-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0));
    border-radius: 50px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-cta:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(109, 40, 217, 0.4), 0 0 20px rgba(109, 40, 217, 0.2);
}

.nav-cta:hover::before {
    opacity: 1;
}

.nav-cta:active {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 5px 15px rgba(109, 40, 217, 0.3);
}

.navbar.scrolled .nav-cta {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(109, 40, 217, 0.3);
}

.navbar.scrolled .nav-cta:hover {
    box-shadow: 0 10px 30px rgba(109, 40, 217, 0.5), 0 0 20px rgba(109, 40, 217, 0.3);
}

.nav-cta::after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: white;
    transition: var(--transition);
}

.navbar.scrolled .mobile-menu-toggle span {
    background: var(--primary-color);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 2rem 4rem;
    overflow: hidden;
}

.hero-content {
    max-width: 1400px;
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    margin-bottom: 4rem;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
    color: white;
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.title-line:nth-child(1) {
    animation-delay: 0.2s;
}

.title-line:nth-child(2) {
    animation-delay: 0.4s;
}

.title-line:nth-child(3) {
    animation-delay: 0.6s;
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, #c4b5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.8s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 1s forwards;
    opacity: 0;
    margin-bottom: 3rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-3px);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-size: 0.85rem;
    animation: fadeIn 1s ease-out 1.5s forwards;
    opacity: 0;
    margin-top: 1rem;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid white;
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: white;
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

/* ===== Section Styles ===== */
.section {
    padding: 8rem 2rem;
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-label {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== About Section ===== */
.about-section {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text {
    animation: fadeInLeft 0.8s ease-out;
}

.about-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.stat-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.about-visual {
    position: relative;
    height: 500px;
    animation: fadeInRight 0.8s ease-out;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.card-1 {
    top: 0;
    left: 0;
    animation: float 6s ease-in-out infinite;
}

.card-2 {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    animation: float 6s ease-in-out 2s infinite;
}

.card-3 {
    bottom: 0;
    left: 20%;
    animation: float 6s ease-in-out 4s infinite;
}

.card-icon {
    font-size: 2.5rem;
}

.card-text {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ===== Services Section ===== */
.services-section {
    position: relative;
}

.services-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 26, 0.7);
    z-index: 0;
}

.services-section .container {
    position: relative;
    z-index: 1;
}

.services-section .section-label {
    color: var(--secondary-color);
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: white;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover::before {
    transform: scaleX(1);
}

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

.service-card.featured {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    transform: scale(1.05);
}

.service-card.featured .service-title,
.service-card.featured .service-description,
.service-card.featured .service-features li {
    color: white;
}

.featured-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--accent-color);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-secondary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.service-icon svg {
    width: 30px;
    height: 30px;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.6rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.service-card.featured .service-features li::before {
    color: white;
}

/* ===== Projects Section ===== */
.projects-section {
    background: var(--bg-secondary);
}

.projects-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.project-category {
    background: white;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
}

.category-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--bg-secondary);
}

.projects-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.project-item {
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 16px;
    display: flex;
    gap: 2rem;
    transition: var(--transition);
}

.project-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.project-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-light);
}

.status-indicator.active {
    background: #10b981;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.project-info {
    flex: 1;
}

.project-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.project-desc {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Project Slider ===== */
.slider-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.slider-wrapper {
    flex: 1;
    overflow: hidden;
    border-radius: 16px;
}

.slider-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.slider-item {
    min-width: 50%;
    padding: 0 0.5rem;
    box-sizing: border-box;
    position: relative;
}

.slider-item .timeline-marker {
    position: absolute;
    left: 1rem;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid white;
    z-index: 2;
}

.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    border: 2px solid var(--bg-secondary);
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.slider-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.slider-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.slider-btn svg {
    width: 24px;
    height: 24px;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1rem;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.3);
}

.slider-dot:hover {
    border-color: var(--primary-color);
}

.timeline-marker {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--text-light);
    border: 3px solid white;
}

.timeline-marker.completed {
    background: var(--primary-color);
}

.timeline-content {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 16px;
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.timeline-date {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.timeline-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.timeline-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.timeline-tags {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.4rem 1rem;
    background: white;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 500;
}

/* ===== Contact Section ===== */
.contact-section {
    position: relative;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 26, 0.7);
    z-index: 0;
}

.contact-section .container {
    position: relative;
    z-index: 1;
}

.contact-section .section-label {
    color: var(--secondary-color);
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 1.5rem;
    align-items: center;
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 1.5rem;
    align-items: center;
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-secondary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 28px;
    height: 28px;
}

.contact-details h4 {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.contact-details p,
.contact-details a {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

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

.contact-form-wrapper {
    background: white;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 1rem;
    border: 2px solid var(--bg-secondary);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-secondary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
}

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

.phone-input-group {
    display: flex;
    gap: 0.5rem;
}

.country-code-select {
    width: auto;
    min-width: 110px;
    flex-shrink: 0;
    cursor: pointer;
    background-color: white;
}

.phone-input-group input {
    flex: 1;
}

.form-message {
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-weight: 500;
    display: none;
    animation: slideDown 0.3s ease-out;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 2px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 2px solid #f5c6cb;
    display: block;
}

.form-message.info {
    background: #d1ecf1;
    color: #0c5460;
    border: 2px solid #bee5eb;
    display: block;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn-full {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

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

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    padding-top: 2rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== Scroll to Top Button ===== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease, transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    animation: floatButton 3s ease-in-out infinite;
}

.scroll-to-top:hover {
    transform: translateY(-8px) scale(1.1);
}

/* Dark mode for light sections */
.scroll-to-top.dark-mode .scroll-btn-inner {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="0 0 40 40"><path d="M20 20l-10-10 10-10 10 10-10 10z" stroke="#fff" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/></svg>') 20 20, auto;
    border-color: rgba(255, 255, 255, 1);
    background: rgba(109, 40, 217, 0.2);
    color: white;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.scroll-to-top.dark-mode:hover .scroll-btn-inner {
    background: rgba(0, 0, 0, 0.25);
    border-color: rgba(0, 0, 0, 0.5);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.scroll-to-top.dark-mode .scroll-btn-glow {
    background: radial-gradient(circle, rgba(109, 40, 217, 0.3), transparent 70%);
}

.scroll-btn-inner {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    z-index: 2;
    box-shadow: 0 8px 32px rgba(109, 40, 217, 0.3);
    transition: all 0.3s ease;
}

.scroll-to-top:hover .scroll-btn-inner {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 12px 40px rgba(109, 40, 217, 0.5);
}

.scroll-btn-inner svg {
    width: 28px;
    height: 28px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.scroll-btn-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.4), transparent 70%);
    border-radius: 50%;
    z-index: 1;
    animation: pulse 2s ease-in-out infinite;
}

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

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0.8;
    }
}

/* ===== Chatbot Widget ===== */
.chatbot-container {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 1000;
}

.chatbot-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(109, 40, 217, 0.4);
    transition: var(--transition);
    position: relative;
}

.chatbot-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(109, 40, 217, 0.6);
}

.chatbot-button svg {
    width: 28px;
    height: 28px;
}

.chatbot-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--accent-color);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    animation: pulse 2s infinite;
}

.chatbot-window {
    position: absolute;
    bottom: 80px;
    left: 0;
    width: 380px;
    height: 550px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: slideInUp 0.3s ease-out;
}

.chatbot-window.active {
    display: flex;
}

.chatbot-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chatbot-header-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.chatbot-avatar {
    font-size: 2rem;
}

.chatbot-header h4 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.chatbot-status {
    font-size: 0.75rem;
    opacity: 0.9;
}

.chatbot-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.chatbot-close:hover {
    opacity: 0.8;
    transform: rotate(90deg);
}

.chatbot-close svg {
    width: 20px;
    height: 20px;
}

.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-message {
    display: flex;
    gap: 0.75rem;
    animation: fadeInUp 0.3s ease-out;
}

.chat-message.user-message {
    flex-direction: row-reverse;
}

.message-avatar {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.message-content {
    background: white;
    padding: 1rem;
    border-radius: 12px;
    max-width: 75%;
    box-shadow: var(--shadow-sm);
}

.user-message .message-content {
    background: var(--primary-color);
    color: white;
}

.message-content p {
    margin: 0;
    line-height: 1.5;
}

.quick-questions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}

.quick-question {
    background: var(--bg-secondary);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    text-align: left;
}

.quick-question:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

.chatbot-input {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    background: white;
    border-top: 1px solid var(--bg-secondary);
}

.chatbot-input input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--bg-secondary);
    border-radius: 25px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.chatbot-input input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.chatbot-send {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.chatbot-send:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.chatbot-send svg {
    width: 20px;
    height: 20px;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@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);
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-visual {
        height: 400px;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        padding: 6rem 1.5rem 3rem;
    }

    .section {
        padding: 5rem 1.5rem;
    }

    .section-header {
        margin-bottom: 3rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .service-card.featured {
        transform: scale(1);
    }

    .about-visual {
        height: 350px;
    }

    .floating-card {
        padding: 1.5rem;
    }

    .card-text {
        font-size: 0.95rem;
    }

    .slider-item {
        min-width: 100%;
        padding: 0;
    }
    
    .slider-container {
        gap: 0.25rem;
        padding: 0 0.5rem;
    }

    .slider-btn {
        width: 35px;
        height: 35px;
        flex-shrink: 0;
    }

    .slider-btn svg {
        width: 18px;
        height: 18px;
    }
    
    .timeline-content {
        padding: 1.25rem;
        margin: 0;
    }
    
    .slider-item .timeline-marker {
        left: 0.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .project-item {
        flex-direction: column;
        gap: 1rem;
    }

    .scroll-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 50px;
        height: 50px;
    }

    .scroll-btn-inner svg {
        width: 24px;
        height: 24px;
    }
}