/* =========================
   GENERAL
========================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: #0b0b0b;
    color: #fff;
    overflow-x: hidden;
}

:root {
    --orange: #f47721;
    --black: #0b0b0b;
    --white: #ffffff;
    --gray: #999999;
}

.container {
    width: 88%;
    max-width: 1250px;
    margin: auto;
}

a {
    text-decoration: none;
    color: inherit;
}

.section {
    padding: 110px 0;
}

.section-label {
    color: var(--orange);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 3px;
}


/* =========================
   HEADER
========================= */

.header {
    height: 85px;
    background: #0b0b0b;
    border-bottom: 1px solid #242424;
    position: relative;
    z-index: 10;
}

.navbar {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 29px;
    font-weight: 900;
    letter-spacing: -2px;
}

.logo span {
    color: var(--orange);
}

.logo small {
    font-size: 10px;
    vertical-align: top;
    letter-spacing: 0;
}

.nav-links {
    display: flex;
    gap: 35px;
}

.nav-links a {
    color: #bcbcbc;
    font-size: 12px;
    transition: 0.3s;
}

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

.nav-button {
    background: var(--orange);
    padding: 14px 21px;
    font-size: 12px;
    font-weight: 700;
    transition: 0.3s;
}

.nav-button:hover,
.btn-primary:hover {
    background: #fff;
    color: #111;
}


/* =========================
   HERO
========================= */

.hero {
    min-height: 680px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    background: #0b0b0b;
}

.hero-background {
    position: absolute;
    width: 600px;
    height: 600px;
    background: var(--orange);
    filter: blur(180px);
    opacity: 0.13;
    right: 5%;
    top: 5%;
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
    position: relative;
    z-index: 2;
    padding: 90px 0;
}

.tag {
    font-size: 10px;
    color: #ccc;
    letter-spacing: 3px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.dot {
    width: 7px;
    height: 7px;
    display: inline-block;
    background: var(--orange);
    border-radius: 50%;
}

.hero h1 {
    font-size: clamp(50px, 6vw, 82px);
    line-height: 1.08;
    font-weight: 900;
    letter-spacing: -5px;
    margin: 30px 0;
}

.hero h1 span,
.section-heading h2 span,
.technology-text h2 span,
.services-heading h2 span,
.contact-content h2 span {
    color: var(--orange);
}

.hero-text > p {
    color: #aaa;
    max-width: 470px;
    font-size: 14px;
    line-height: 2;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-top: 35px;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary,
.btn-light {
    display: inline-block;
    padding: 17px 24px;
    font-size: 12px;
    font-weight: 700;
    transition: 0.3s;
}

.btn-primary {
    background: var(--orange);
    color: white;
}

.btn-secondary {
    border: 1px solid #555;
}

.btn-secondary:hover {
    border-color: var(--orange);
    color: var(--orange);
}

.hero-info {
    display: flex;
    gap: 50px;
    margin-top: 65px;
}

.hero-info div {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.hero-info strong {
    font-size: 25px;
    color: var(--orange);
}

.hero-info span {
    font-size: 10px;
    color: #888;
}


/* =========================
   ABSTRACT VISUAL
========================= */

.hero-visual {
    height: 470px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-circle {
    position: absolute;
    border: 1px solid rgba(244,119,33,0.25);
    border-radius: 50%;
}

.circle-one {
    width: 410px;
    height: 410px;
}

.circle-two {
    width: 510px;
    height: 510px;
    border-style: dashed;
    opacity: 0.5;
}

.visual-card {
    width: 350px;
    padding: 15px;
    background: #171717;
    border: 1px solid #373737;
    transform: rotate(-5deg);
    box-shadow: 0 30px 80px #000;
    position: relative;
    z-index: 2;
}

.card-top,
.card-bottom {
    display: flex;
    justify-content: space-between;
    font-size: 8px;
    letter-spacing: 1px;
    color: #aaa;
    padding: 10px 3px;
}

.status {
    color: #f47721;
}

.screen {
    height: 240px;
    background: linear-gradient(135deg, #f47721, #9e3e0b, #151515);
    position: relative;
    overflow: hidden;
    padding: 25px;
}

.screen-shape {
    position: absolute;
    width: 210px;
    height: 210px;
    border: 35px solid rgba(255,255,255,0.17);
    border-radius: 50%;
    right: -40px;
    top: -40px;
    box-shadow: 0 0 50px rgba(255,255,255,0.1);
}

.screen-line {
    width: 80px;
    height: 4px;
    background: #fff;
    margin-top: 10px;
    position: relative;
    z-index: 1;
}

.screen-line.short {
    width: 45px;
    opacity: 0.5;
}

.screen-text {
    position: absolute;
    bottom: 25px;
    left: 25px;
    font-size: 30px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -1px;
}

.card-bottom {
    padding-bottom: 0;
}

.floating-label {
    position: absolute;
    z-index: 3;
    background: #222;
    border: 1px solid #444;
    padding: 15px;
    font-size: 9px;
    letter-spacing: 1px;
    box-shadow: 0 10px 30px #000;
}

.label-one {
    top: 65px;
    right: -5px;
}

.label-one span {
    color: var(--orange);
    font-size: 15px;
}

.label-two {
    bottom: 55px;
    left: 0;
    color: #aaa;
}

.label-two strong {
    display: block;
    color: var(--orange);
    margin-top: 5px;
}

.hero-bottom {
    position: absolute;
    bottom: 25px;
    left: 6%;
    right: 6%;
    display: flex;
    justify-content: space-between;
    font-size: 9px;
    color: #777;
    letter-spacing: 2px;
}


/* =========================
   CONCEPT
========================= */

.concept {
    background: #f5f5f5;
    color: #111;
}

.section-heading h2,
.technology-text h2,
.services-heading h2 {
    font-size: clamp(35px, 4vw, 53px);
    line-height: 1.2;
    letter-spacing: -2px;
    margin-top: 20px;
    font-weight: 900;
}

.concept-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 20px;
    margin-top: 55px;
}

.concept-intro {
    padding: 25px 20px 25px 0;
}

.concept-intro p {
    color: #666;
    font-size: 13px;
    line-height: 2;
    margin-bottom: 20px;
}

.text-link {
    display: inline-block;
    margin-top: 15px;
    font-size: 12px;
    font-weight: 800;
    color: var(--orange);
}

.concept-card {
    background: white;
    padding: 35px 28px;
    min-height: 260px;
    position: relative;
    border: 1px solid #eee;
    transition: 0.3s;
}

.concept-card:hover,
.service-card:hover {
    transform: translateY(-8px);
}

.concept-icon {
    color: var(--orange);
    font-size: 38px;
    margin-bottom: 35px;
}

.concept-card h3 {
    font-size: 19px;
    margin-bottom: 15px;
}

.concept-card p {
    font-size: 12px;
    line-height: 1.8;
    color: #777;
}

.card-number {
    position: absolute;
    bottom: 15px;
    right: 20px;
    color: #ddd;
    font-size: 35px;
    font-weight: 900;
}

.orange-card {
    background: var(--orange);
    color: white;
}

.orange-card .concept-icon,
.orange-card p,
.orange-card .card-number {
    color: rgba(255,255,255,0.75);
}


/* =========================
   TECHNOLOGY
========================= */

.technology {
    background: #111;
}

.technology-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 90px;
    align-items: center;
}

.technology-visual {
    height: 420px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle, #332014, #111 65%);
    overflow: hidden;
}

.tech-orbit {
    position: absolute;
    border: 1px solid rgba(244,119,33,0.5);
    border-radius: 50%;
    transform: rotate(-35deg);
}

.orbit-one {
    width: 280px;
    height: 160px;
}

.orbit-two {
    width: 350px;
    height: 230px;
    transform: rotate(45deg);
}

.tech-core {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff9c4a, #b44908);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 80px rgba(244,119,33,0.4);
    z-index: 1;
}

.tech-core span {
    font-size: 65px;
    font-weight: 900;
}

.tech-label {
    position: absolute;
    bottom: 25px;
    left: 25px;
    font-size: 9px;
    letter-spacing: 2px;
    color: #aaa;
}

.technology-text h2 {
    margin-bottom: 25px;
}

.technology-text > p {
    color: #999;
    font-size: 13px;
    line-height: 2;
    max-width: 440px;
}

.technology-text ul {
    list-style: none;
    margin: 30px 0;
}

.technology-text li {
    padding: 12px 0;
    border-bottom: 1px solid #333;
    color: #ddd;
    font-size: 12px;
}

.technology-text li span {
    color: var(--orange);
    margin-right: 12px;
}


/* =========================
   SERVICES
========================= */

.services {
    background: #f5f5f5;
    color: #111;
}

.services-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 30px;
}

.services-heading > p {
    max-width: 340px;
    color: #777;
    font-size: 13px;
    line-height: 2;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 55px;
}

.service-card {
    background: white;
    padding: 35px;
    min-height: 300px;
    position: relative;
    border: 1px solid #eee;
    transition: 0.3s;
}

.service-number {
    font-size: 11px;
    color: #aaa;
}

.service-symbol {
    font-size: 45px;
    color: var(--orange);
    margin: 35px 0 25px;
}

.service-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
}

.service-card p {
    color: #777;
    font-size: 12px;
    line-height: 1.9;
    margin-bottom: 25px;
}

.service-card a {
    color: var(--orange);
    font-size: 11px;
    font-weight: 800;
}


/* =========================
   CONTACT
========================= */

.contact-section {
    padding: 100px 0;
    background: var(--orange);
    position: relative;
    overflow: hidden;
}

.contact-content {
    position: relative;
    z-index: 2;
}

.contact-content .section-label {
    color: #fff;
}

.contact-content h2 {
    font-size: clamp(55px, 7vw, 85px);
    line-height: 1;
    letter-spacing: -5px;
    margin: 25px 0;
    font-weight: 900;
}

.contact-content h2 span {
    color: #111;
}

.contact-content p {
    max-width: 400px;
    font-size: 13px;
    line-height: 2;
    color: #fff;
    margin-bottom: 30px;
}

.btn-light {
    background: white;
    color: #111;
}

.btn-light:hover {
    background: #111;
    color: white;
}

.contact-decoration {
    position: absolute;
    width: 500px;
    height: 500px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    right: -100px;
    top: -80px;
}

.contact-decoration::before {
    content: "";
    position: absolute;
    inset: 50px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 50%;
}


/* =========================
   FOOTER
========================= */

.footer {
    background: #090909;
    padding: 70px 0 25px;
}

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

.footer-brand p {
    color: #777;
    font-size: 12px;
    line-height: 2;
    margin-top: 20px;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 17px;
}

.footer-column h4 {
    font-size: 13px;
    margin-bottom: 10px;
}

.footer-column a {
    color: #888;
    font-size: 12px;
    transition: 0.3s;
}

.footer-column a:hover {
    color: var(--orange);
}

.footer-bottom {
    border-top: 1px solid #292929;
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    color: #777;
    font-size: 10px;
    letter-spacing: 1px;
}


/* =========================
   RESPONSIVE
========================= */

@media (max-width: 900px) {

    .nav-links {
        gap: 15px;
    }

    .nav-links a {
        font-size: 10px;
    }

    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .hero h1 {
        font-size: 55px;
    }

    .visual-card {
        width: 280px;
    }

    .screen {
        height: 200px;
    }

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

    .concept-intro {
        grid-column: span 2;
    }

    .technology-grid {
        gap: 30px;
    }

}

@media (max-width: 650px) {

    .container {
        width: 90%;
    }

    .header {
        height: auto;
    }

    .navbar {
        padding: 20px 0;
        flex-wrap: wrap;
        gap: 20px;
    }

    .logo {
        font-size: 25px;
    }

    .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        padding: 10px 0;
        gap: 25px;
    }

    .nav-links a {
        white-space: nowrap;
    }

    .nav-button {
        padding: 12px;
        font-size: 10px;
    }

    .hero {
        min-height: auto;
    }

    .hero-content {
        grid-template-columns: 1fr;
        padding: 75px 0 100px;
    }

    .hero h1 {
        font-size: 58px;
        letter-spacing: -3px;
    }

    .hero-visual {
        height: 390px;
        margin-top: 20px;
    }

    .circle-one {
        width: 300px;
        height: 300px;
    }

    .circle-two {
        width: 360px;
        height: 360px;
    }

    .visual-card {
        width: 280px;
    }

    .label-one {
        right: 0;
    }

    .hero-info {
        gap: 30px;
    }

    .hero-bottom {
        font-size: 7px;
    }

    .section {
        padding: 75px 0;
    }

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

    .concept-intro {
        grid-column: auto;
    }

    .technology-visual {
        height: 330px;
    }

    .services-heading {
        align-items: start;
        flex-direction: column;
    }

    .service-card {
        min-height: 260px;
    }

    .contact-section {
        padding: 75px 0;
    }

    .contact-content h2 {
        font-size: 60px;
        letter-spacing: -3px;
    }

    .footer-main {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: span 2;
        margin-bottom: 20px;
    }

    .footer-bottom {
        flex-direction: column;
        line-height: 2;
    }

}