* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --white: rgb(255, 255, 255);
    --primary: rgb(111, 173, 134);
    --secondary: rgb(28, 101, 110);
    --dark: rgb(20, 30, 35);
    --light-gray: rgb(245, 247, 249);
    --medium-gray: rgb(230, 233, 237);
    --accent: rgb(240, 248, 242);
    --shadow: 0 8px 30px rgba(28, 101, 110, 0.08);
    --shadow-hover: 0 15px 40px rgba(28, 101, 110, 0.15);
    --radius: 16px;
    --radius-small: 8px;
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
    color: var(--dark);
    background-color: var(--white);
    font-weight: 400;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

.header {
    padding: 24px 0;
    position: fixed;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(28, 101, 110, 0.06);
    z-index: 1000;
    border-bottom: 1px solid rgba(111, 173, 134, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 700;
    font-size: 1.3rem;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    color: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 4px 12px rgba(28, 101, 110, 0.2);
}

.logo-text {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    font-size: 1.05rem;
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 2px;
    transition: width 0.3s ease;
}

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

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

.hero {
    padding: 200px 0 140px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(111, 173, 134, 0.08) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(45deg, rgba(111, 173, 134, 0.05) 0%, rgba(28, 101, 110, 0.05) 100%);
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 32px;
    box-shadow: 0 6px 20px rgba(111, 173, 134, 0.3);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--secondary);
    margin-bottom: 28px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--dark);
    margin-bottom: 60px;
    max-width: 700px;
    opacity: 0.9;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1;
    margin-bottom: 10px;
    text-shadow: 0 4px 8px rgba(28, 101, 110, 0.1);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--dark);
    opacity: 0.8;
    font-weight: 500;
}

.hero-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    color: var(--white);
    padding: 20px 48px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(28, 101, 110, 0.3);
}

.hero-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(28, 101, 110, 0.4);
}

.section {
    padding: 120px 0;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--secondary);
    text-align: center;
    margin-bottom: 80px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 2px;
}

.problem-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.problem-text h3 {
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 24px;
    line-height: 1.4;
}

.problem-text p {
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 32px;
    opacity: 0.9;
}

.problem-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 32px;
}

.detail-card {
    background: var(--accent);
    padding: 24px;
    border-radius: var(--radius-small);
    border-left: 4px solid var(--primary);
}

.detail-card i {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 12px;
    display: block;
}

.detail-card h4 {
    font-size: 1.1rem;
    color: var(--secondary);
    margin-bottom: 8px;
}

.detail-card p {
    font-size: 0.95rem;
    color: var(--dark);
    opacity: 0.8;
    margin-bottom: 0;
}

.critical-fact {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background-color: var(--accent);
    padding: 24px;
    border-radius: var(--radius);
    border-left: 5px solid var(--primary);
}

.critical-fact i {
    color: var(--primary);
    font-size: 1.5rem;
    margin-top: 4px;
}

.critical-fact span {
    font-weight: 600;
    color: var(--secondary);
}

.object-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.object-item {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    padding: 30px 24px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.object-item:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.object-item i {
    font-size: 2.5rem;
    color: var(--secondary);
    display: block;
}

.object-item span {
    font-weight: 600;
    color: var(--dark);
    font-size: 1.1rem;
}

.object-risk {
    background: var(--primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.system-section {
    background-color: var(--light-gray);
}

.system-architecture {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto 100px;
}

.arch-step {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 2px solid transparent;
}

.arch-step:hover {
    transform: translateX(10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.arch-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(28, 101, 110, 0.3);
}

.arch-content h3 {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 16px;
}

.arch-content p {
    color: var(--dark);
    opacity: 0.9;
    font-size: 1.05rem;
    margin-bottom: 20px;
}

.arch-features {
    list-style: none;
    padding-left: 0;
}

.arch-features li {
    margin-bottom: 8px;
    color: var(--dark);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.arch-features i {
    color: var(--primary);
    font-size: 0.9rem;
}

.video-section {
    max-width: 1100px;
    margin: 0 auto;
}

.video-title {
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 48px;
    text-align: center;
}

.video-container {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(28, 101, 110, 0.2);
}

.video-wrapper {
    position: relative;
    background: linear-gradient(135deg, var(--dark) 0%, var(--secondary) 100%);
}

.demo-video {
    width: 100%;
    height: 100%;
    display: block;
    background: var(--dark);
}

.video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(20, 30, 35, 0.9));
    padding: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.video-control-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    border: none;
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(28, 101, 110, 0.4);
}

.video-control-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(28, 101, 110, 0.6);
}

.video-control-btn.playing {
    background: linear-gradient(135deg, var(--secondary) 0%, rgb(20, 30, 35) 100%);
}

.video-info {
    display: flex;
    gap: 30px;
    color: var(--white);
    font-weight: 500;
}

.video-duration, .video-quality {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
}

.video-description {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid var(--medium-gray);
}

.description-item {
    padding: 40px 32px;
    border-right: 1px solid var(--medium-gray);
    transition: var(--transition);
}

.description-item:last-child {
    border-right: none;
}

.description-item:hover {
    background-color: var(--accent);
}

.description-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--white);
    font-size: 1.8rem;
    box-shadow: 0 8px 20px rgba(111, 173, 134, 0.3);
}

.description-text h4 {
    font-size: 1.2rem;
    color: var(--secondary);
    margin-bottom: 12px;
    font-weight: 600;
}

.description-text p {
    color: var(--dark);
    opacity: 0.9;
    font-size: 1rem;
    line-height: 1.6;
}

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

.tech-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 80px;
}

.tech-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    padding: 40px 32px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 2px solid transparent;
}

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

.tech-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: var(--white);
    font-size: 2.5rem;
    box-shadow: 0 10px 30px rgba(111, 173, 134, 0.4);
}

.tech-card h3 {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 20px;
    font-weight: 600;
}

.tech-card p {
    color: var(--dark);
    opacity: 0.9;
    font-size: 1.05rem;
    margin-bottom: 25px;
    line-height: 1.6;
}

.tech-specs {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 25px;
}

.spec {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.spec i {
    color: var(--primary);
}

.performance-metrics {
    max-width: 900px;
    margin: 0 auto;
    background: var(--accent);
    padding: 60px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.metrics-title {
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 40px;
    text-align: center;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.metric-item {
    text-align: center;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 10px;
    line-height: 1;
}

.metric-label {
    font-size: 0.95rem;
    color: var(--dark);
    opacity: 0.8;
    margin-bottom: 15px;
    font-weight: 500;
}

.metric-bar {
    height: 8px;
    background: var(--medium-gray);
    border-radius: 4px;
    overflow: hidden;
}

.metric-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 4px;
    transition: width 1.5s ease-out;
}

.dev-section {
    background-color: var(--light-gray);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 50px;
    position: relative;
}

.timeline-date {
    width: 120px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    padding: 12px 20px;
    border-radius: 30px;
    font-weight: 600;
    text-align: center;
    box-shadow: 0 6px 20px rgba(111, 173, 134, 0.4);
    position: relative;
    z-index: 1;
}

.timeline-content {
    flex: 1;
    background: var(--white);
    padding: 32px 40px;
    margin-left: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    transition: var(--transition);
}

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

.timeline-content h4 {
    font-size: 1.4rem;
    color: var(--secondary);
    margin-bottom: 16px;
}

.timeline-content p {
    color: var(--dark);
    opacity: 0.9;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.timeline-details {
    list-style: none;
    padding-left: 0;
}

.timeline-details li {
    margin-bottom: 8px;
    color: var(--dark);
    font-size: 0.95rem;
    position: relative;
    padding-left: 20px;
}

.timeline-details li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 1.2rem;
}

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

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.gallery-item {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

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

.gallery-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.gallery-caption {
    padding: 24px;
    background: var(--white);
}

.gallery-caption h4 {
    font-size: 1.2rem;
    color: var(--secondary);
    margin-bottom: 8px;
    font-weight: 600;
}

.gallery-caption p {
    color: var(--dark);
    opacity: 0.8;
    font-size: 0.95rem;
}

.b2b-section {
    background: linear-gradient(135deg, rgba(111, 173, 134, 0.05) 0%, rgba(28, 101, 110, 0.05) 100%);
}

.b2b-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.b2b-text h3 {
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 32px;
    line-height: 1.4;
}

.b2b-text p {
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 40px;
    opacity: 0.9;
}

.implementation-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 50px;
}

.step {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: 0 5px 15px rgba(28, 101, 110, 0.08);
    transition: var(--transition);
}

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

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.pricing-model {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-top: 40px;
}

.pricing-model h4 {
    font-size: 1.4rem;
    color: var(--secondary);
    margin-bottom: 30px;
    text-align: center;
}

.pricing-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pricing-option {
    background: var(--light-gray);
    padding: 30px;
    border-radius: var(--radius);
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
}

.pricing-option:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.pricing-option:nth-child(2) {
    background: linear-gradient(135deg, var(--accent) 0%, rgba(111, 173, 134, 0.1) 100%);
    border: 2px solid var(--primary);
}

.pricing-option h5 {
    font-size: 1.2rem;
    color: var(--secondary);
    margin-bottom: 20px;
    font-weight: 600;
}

.price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 25px;
    line-height: 1;
}

.pricing-option ul {
    list-style: none;
    padding-left: 0;
}

.pricing-option li {
    margin-bottom: 12px;
    color: var(--dark);
    font-size: 0.95rem;
    position: relative;
    padding-left: 24px;
}

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

.b2b-visual {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.market-size {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.market-size h4 {
    font-size: 1.4rem;
    color: var(--secondary);
    margin-bottom: 32px;
    text-align: center;
}

.market-item {
    margin-bottom: 24px;
}

.market-label {
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 10px;
    font-size: 1rem;
}

.market-bar {
    height: 24px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 12px;
    position: relative;
    box-shadow: 0 4px 12px rgba(111, 173, 134, 0.3);
}

.market-bar::after {
    content: '';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
}

.market-item:nth-child(1) .market-bar::after {
    content: '90%';
}

.market-item:nth-child(2) .market-bar::after {
    content: '10%';
}

.market-note {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--accent);
    padding: 20px;
    border-radius: var(--radius-small);
    margin-top: 32px;
}

.market-note i {
    color: var(--primary);
    font-size: 1.2rem;
}

.market-note span {
    font-weight: 500;
    color: var(--secondary);
}

.roi-calculator {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.roi-calculator h4 {
    font-size: 1.4rem;
    color: var(--secondary);
    margin-bottom: 32px;
    text-align: center;
}

.roi-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--medium-gray);
}

.roi-item:last-child {
    border-bottom: none;
    margin-top: 20px;
    padding-top: 25px;
    border-top: 2px solid var(--primary);
}

.roi-label {
    font-weight: 500;
    color: var(--dark);
    font-size: 1rem;
}

.roi-value {
    font-weight: 600;
    color: var(--secondary);
    font-size: 1.1rem;
}

.roi-value.highlight {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 700;
}

.contact-section {
    background: linear-gradient(135deg, rgba(28, 101, 110, 0.03) 0%, rgba(111, 173, 134, 0.03) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 40px;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    font-size: 1.1rem;
    color: var(--dark);
}

.contact-info i {
    color: var(--primary);
    font-size: 1.2rem;
    width: 24px;
}

.contact-features {
    background: var(--accent);
    padding: 32px;
    border-radius: var(--radius);
    margin: 40px 0;
}

.contact-features h4 {
    font-size: 1.3rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.contact-features ul {
    list-style: none;
    padding-left: 0;
}

.contact-features li {
    margin-bottom: 12px;
    color: var(--dark);
    font-size: 1.05rem;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.contact-features i {
    color: var(--primary);
    margin-top: 4px;
}

.project-data {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.project-data h4 {
    font-size: 1.3rem;
    color: var(--secondary);
    margin-bottom: 24px;
}

.project-data p {
    margin-bottom: 12px;
    display: block;
}

.project-data strong {
    color: var(--secondary);
    font-weight: 600;
}

.contact-form {
    background: var(--white);
    padding: 48px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 40px;
    text-align: center;
}

.form-group {
    margin-bottom: 24px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 24px;
    border: 2px solid var(--medium-gray);
    border-radius: var(--radius-small);
    font-family: 'Inter', sans-serif;
    font-size: 1.05rem;
    transition: var(--transition);
    background: var(--white);
    color: var(--dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(111, 173, 134, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.form-group.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.form-group.checkbox input {
    width: auto;
    margin-top: 6px;
}

.form-group.checkbox label {
    font-size: 0.95rem;
    color: var(--dark);
    opacity: 0.9;
}

.form-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    color: var(--white);
    padding: 20px;
    border-radius: var(--radius-small);
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(28, 101, 110, 0.3);
}

.form-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(28, 101, 110, 0.4);
}

.footer {
    background: linear-gradient(135deg, var(--dark) 0%, rgb(25, 40, 50) 100%);
    color: var(--white);
    padding: 60px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo .logo {
    color: var(--white);
    margin-bottom: 24px;
}

.footer-tagline {
    font-size: 1.1rem;
    opacity: 0.8;
    max-width: 400px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 20px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.05rem;
    opacity: 0.9;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary);
    transform: translateX(5px);
}

.footer-legal {
    grid-column: 1 / -1;
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: 8px;
}

@media (max-width: 1200px) {
    .hero-stats,
    .pricing-options,
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .container {
        padding: 0 32px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .problem-content,
    .b2b-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .tech-content,
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .video-description {
        grid-template-columns: 1fr;
    }
    
    .description-item {
        border-right: none;
        border-bottom: 1px solid var(--medium-gray);
    }
    
    .description-item:last-child {
        border-bottom: none;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 24px;
    }
    
    .nav {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero {
        padding: 160px 0 100px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2.2rem;
        margin-bottom: 60px;
    }
    
    .video-controls {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
    
    .video-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .tech-content,
    .gallery-grid,
    .problem-details {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-date {
        width: 100px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .arch-step {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .arch-number {
        margin: 0 auto;
    }
    
    .pricing-options {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .object-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 32px 24px;
    }
    
    .performance-metrics {
        padding: 40px 24px;
    }
}

.foundation-support {
    background: linear-gradient(135deg, var(--dark) 0%, rgb(30, 45, 55) 100%);
    padding: 50px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer .foundation-support {
    border-top: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px 0;
}

.foundation-content {
    display: flex;
    align-items: center;
    gap: 50px;
    max-width: 1100px;
    margin: 0 auto;
}

.foundation-logo {
    flex-shrink: 0;
    background: var(--white);
    padding: 20px 30px;
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.foundation-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(111, 173, 134, 0.3);
}

.foundation-logo-img {
    max-width: 220px;
    height: auto;
    display: block;
}

.foundation-text {
    color: var(--white);
}

.foundation-text-large {
    font-size: 1.2rem;
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: 12px;
    opacity: 0.95;
}

.foundation-text-small {
    font-size: 1rem;
    opacity: 0.7;
    line-height: 1.6;
    font-weight: 400;
}

@media (max-width: 1024px) {
    .foundation-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .foundation-text-large {
        font-size: 1.1rem;
    }
    
    .foundation-logo-img {
        max-width: 200px;
    }
}

@media (max-width: 768px) {
    .foundation-support {
        padding: 40px 0;
    }
    
    .foundation-text-large {
        font-size: 1rem;
    }
    
    .foundation-text-small {
        font-size: 0.9rem;
    }
}