:root {
    --bg-dark: #000;
    --text-light: #fff;
    --accent-green: #00e908;
    --card-glass: rgba(255, 255, 255, 0.05);
    --transition-smooth: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
}

section {
    width: 95%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px
}

@media (max-width: 768px) {
    section {

    padding: 10px
}
}



header {
    display: flex;
    width: 100%;
    height: 80px;
    padding: 10px 50px;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1002;
    position: relative;
}

.logo-img img {
    height: 40px;
    background-color: var(--text-light);
    border-radius: 50%;
}

.logo-txt {
    font-weight: 700;
    font-size: 24px;
}

header nav ul {
    display: flex;
    gap: 30px;
    list-style: none;
}

header nav ul li a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s ease;
}

header nav ul li a:hover {
    color: var(--accent-green);
}

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 1002;
    position: relative;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--text-light);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

#hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 100px 20px 50px;
}

.brand-name {
    font-size: 18px;
    letter-spacing: 2px;
    margin-bottom: 30px;
    opacity: 0.8;
}

.model img {
    width: 300px;
    margin-bottom: 50px;
}

.hero-text {
    font-size: 80px;
    font-weight: 600;
    line-height: 1;
    margin-bottom: 40px;
}

.gradient-text {
    background: linear-gradient(90deg, #b8c6db 0%, #00e908 50%, #1e1f1a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.cta-button {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(180deg, #00ff08 0%, #1e1f1a 100%);
    color: var(--bg-dark);
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    margin-top: 20px;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.cta-button svg {
    width: 20px;
    height: 20px;
}

#services {
    display: flex;
    flex-direction: column;
    max-width: 1400px;
    margin: 0 auto;
    padding: 10px;
}

.section-header {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 700px;
}

.section-heading {
    font-size: 4rem;
}

.section-heading span {
    background: linear-gradient(90deg, #b8dbbe 0%, #04ee0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-para {
    font-size: 1.1rem;
    padding: 10px 0;
    line-height: 1.3;
    letter-spacing: 1px;
}

.solution-cards {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 10px;
    flex-wrap: wrap;
    margin: 80px auto;
}

.card {
    position: relative;
    width: 260px;
    height: 340px;
    border-radius: 40px;
    overflow: hidden;
    padding: 25px;
    display: block;
    cursor: pointer;
    transition: 0.45s ease;
}

.card.special {
    height: 500px;
}

.card::before {
    content: "";
    position: absolute;
    inset: 0;
    padding: 2px;
    border-radius: 40px;
    background: linear-gradient(to bottom, #9dffd0, #44ff88, #00d15a, transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    filter: blur(5px);
}

.card::after {
    content: "";
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    width: 220px;
    height: 220px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    transition: 0.4s ease;
}

.card.special::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 250px;
    background: #00e908;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.35;
    z-index: 1;
    transition: all 0.5s ease;
}

.card.special:hover::after {
    opacity: 0.6;
    width: 320px;
    height: 320px;
    filter: blur(100px);
}

.card:hover {
    transform: translateY(-12px) scale(1.02);
}

.card:not(.special):hover::after {
    opacity: 0.6;
}

.content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.icon {
    position: absolute;
    top: 0;
    right: 0;
    width: 70px;
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 18px;
    backdrop-filter: blur(10px);
}

.icon svg {
    width: 34px;
    height: 34px;
    color: #5BFF9D;
    stroke-width: 2;
}

.content h3 {
    font-size: 28px;
    margin-bottom: 12px;
    color: var(--text-light);
    margin-top: auto;
}

.content p {
    color: #d9d9d9;
    line-height: 1.7;
    font-size: 15px;
}

.pandu-showcase {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-top: 40px;
    background: linear-gradient(145deg, #0a0a0a, #000000);
    border: 1px solid rgba(0, 233, 8, 0.15);
    border-radius: 40px;
    padding: 40px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 233, 8, 0.05);
}

.pandu-image-container {
    flex: 1;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
}

.pandu-image-container::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    pointer-events: none;
}

model-viewer {
    width: 100%;
    height: 500px;
    background-color: transparent;
    outline: none;
}



.pandu-details {
    flex: 1;
}

.pandu-description {
    color: #d9d9d9;
    font-size: 1.15rem;
    line-height: 1.8;
    margin: 20px 0 30px 0;
}

.pandu-specs {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.pandu-specs li {
    position: relative;
    padding-left: 30px;
    color: #a0a0a0;
    line-height: 1.5;
    font-size: 1.05rem;
}

.pandu-specs li::before {
    content: "▹";
    position: absolute;
    left: 0;
    top: -2px;
    color: var(--accent-green);
    font-size: 1.5rem;
    font-weight: bold;
}

.pandu-specs strong {
    color: var(--text-light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
    background: rgba(255, 255, 255, 0.02);
    padding: 60px;
    border-radius: 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-info p {
    color: #a0a0a0;
    margin-bottom: 40px;
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.method {
    display: flex;
    align-items: center;
    gap: 15px;
    color: #d9d9d9;
}

.method i {
    color: var(--accent-green);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 18px 20px;
    border-radius: 16px;
    color: var(--text-light);
    font-size: 1rem;
    outline: none;
    transition: 0.3s ease;
    font-family: inherit;
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--accent-green);
    background: rgba(0, 0, 0, 0.6);
}

.contact-form button {
    background: linear-gradient(90deg, #00e908 0%, #00b306 100%);
    color: var(--bg-dark);
    border: none;
    padding: 18px;
    border-radius: 16px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.contact-form button:hover {
    box-shadow: 0 10px 20px rgba(0, 233, 8, 0.2);
    transform: translateY(-2px);
}

@media (max-width: 992px) {
    .card {
        width: 230px;
        height: 380px;
    }

    .pandu-showcase {
        flex-direction: column;
        padding: 30px 20px;
        gap: 30px;
    }

    .pandu-image-container,
    .pandu-details {
        width: 100%;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        padding: 40px 10px;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 10px 20px;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
        transform: translateX(-20px);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    header nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(5, 5, 5, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        display: flex;
        justify-content: center;
        align-items: center;
        transition: right 0.6s cubic-bezier(0.77, 0, 0.175, 1);
        z-index: 1001;
    }

    header nav.active {
        right: 0;
    }

    header nav ul {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }

    header nav ul li {
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.4s ease;
    }

    header nav.active ul li:nth-child(1) {
        transition-delay: 0.2s;
        opacity: 1;
        transform: translateY(0);
    }

    header nav.active ul li:nth-child(2) {
        transition-delay: 0.3s;
        opacity: 1;
        transform: translateY(0);
    }

    header nav.active ul li:nth-child(3) {
        transition-delay: 0.4s;
        opacity: 1;
        transform: translateY(0);
    }

    header nav.active ul li:nth-child(4) {
        transition-delay: 0.5s;
        opacity: 1;
        transform: translateY(0);
    }

    header nav ul li a {
        font-size: 32px;
        font-weight: 700;
        letter-spacing: 2px;
        text-transform: uppercase;
        transition: 0.3s ease;
    }

    header nav ul li a:hover,
    header nav ul li a:active {
        background: linear-gradient(90deg, #b8c6db 0%, #04ee0b 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .hero-text {
        font-size: 50px;
    }

    .model img {
        width: 200px;
    }

    .section-heading {
        font-size: 2.5rem !important;
        margin-bottom: 10px;
    }


    .solution-cards {
        flex-direction: column;
        align-items: center;
        gap: 25px;
    }

    .card,
    .card.special {
        width: 90%;
        max-width: 350px;
        height: 360px;
    }

    model-viewer {
        height: 350px;
    }
}