:root {
    --dark: #071016;
    --dark-soft: #0d1b22;
    --dark-card: #11232c;
    --cream: #f2eee6;
    --muted: #9aa9ad;
    --orange: #ff6b35;
    --orange-light: #ff936b;
    --line: rgba(255, 255, 255, 0.13);
    --white: #ffffff;
    --black: #071016;
    --max-width: 1240px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--cream);
    color: var(--dark);
    font-family: "Inter", sans-serif;
    line-height: 1.6;
}

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

.container {
    width: min(92%, var(--max-width));
    margin: auto;
}

.site-header {
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 20;
    color: var(--white);
}

.nav-wrapper {
    min-height: 88px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: "Space Grotesk", sans-serif;
    font-weight: 700;
    letter-spacing: 1.5px;
    font-size: 15px;
}

.logo-mark {
    width: 31px;
    height: 31px;
    border: 2px solid var(--orange);
    color: var(--orange);
    display: grid;
    place-items: center;
    font-size: 18px;
    transform: rotate(45deg);
}

.logo-mark::first-letter {
    transform: rotate(-45deg);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 31px;
    font-size: 13px;
    font-weight: 600;
}

.main-nav a {
    opacity: 0.82;
    transition: 0.3s ease;
}

.main-nav a:hover {
    opacity: 1;
    color: var(--orange-light);
}

.nav-button {
    border: 1px solid rgba(255,255,255,.6);
    padding: 11px 17px;
    opacity: 1 !important;
}

.menu-toggle {
    display: none;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 28px;
    height: 2px;
    margin: 5px 0;
    background: white;
}

/* Hero */
.hero {
    min-height: 790px;
    position: relative;
    overflow: hidden;
    color: var(--white);
    background:
        linear-gradient(90deg, rgba(7,16,22,.96) 0%, rgba(7,16,22,.78) 43%, rgba(7,16,22,.35) 100%),
        url("https://images.unsplash.com/photo-1473968512647-3e447244af8f?auto=format&fit=crop&w=2200&q=85") center/cover;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, var(--dark) 0%, transparent 20%);
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    opacity: .18;
    background-image:
        linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
    background-size: 70px 70px;
    mask-image: linear-gradient(90deg, black, transparent 80%);
}

.hero-content {
    min-height: 700px;
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
    padding-top: 85px;
}

.eyebrow {
    margin-bottom: 18px;
    color: var(--orange);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2.2px;
}

.hero h1 {
    max-width: 700px;
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(48px, 6vw, 85px);
    line-height: .99;
    letter-spacing: -4px;
}

.hero h1 span {
    color: var(--orange);
}

.hero-text {
    max-width: 510px;
    margin: 29px 0;
    color: #c4ced0;
    font-size: 17px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 13px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    min-height: 51px;
    padding: 0 21px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .3px;
    transition: .3s ease;
}

.button span {
    font-size: 19px;
}

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

.button-primary:hover {
    background: var(--orange-light);
    transform: translateY(-3px);
}

.button-outline {
    border: 1px solid rgba(255,255,255,.45);
    color: white;
}

.button-outline:hover {
    border-color: var(--orange);
    color: var(--orange-light);
}

.hero-note {
    margin-top: 35px;
    color: #aab9bc;
    font-size: 11px;
    letter-spacing: .8px;
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 8px;
    border-radius: 50%;
    background: #71e09a;
    box-shadow: 0 0 0 4px rgba(113,224,154,.15);
}

.hero-visual {
    position: relative;
    min-height: 480px;
    display: grid;
    place-items: center;
}

.drone-card {
    width: min(100%, 520px);
    padding: 18px;
    position: relative;
    border: 1px solid rgba(255,255,255,.22);
    background: rgba(15, 34, 43, .7);
    backdrop-filter: blur(12px);
    transform: rotate(3deg);
    box-shadow: 25px 35px 80px rgba(0,0,0,.35);
}

.drone-top-line {
    display: flex;
    justify-content: space-between;
    color: #91a4a9;
    font-size: 9px;
    letter-spacing: 1.3px;
}

.live-indicator {
    color: #71e09a;
}

.drone-illustration {
    height: 270px;
    position: relative;
    display: grid;
    place-items: center;
}

.drone-body {
    width: 220px;
    height: 74px;
    position: absolute;
    z-index: 2;
    border-radius: 50% 50% 45% 45%;
    background: linear-gradient(100deg, #bfc9c7, #f1f2eb 45%, #6e7d7f);
    box-shadow: 0 16px 25px rgba(0,0,0,.35);
}

.drone-body::after {
    content: "";
    width: 80px;
    height: 35px;
    position: absolute;
    top: 18px;
    left: 70px;
    border-radius: 50%;
    background: #263d44;
}

.wing {
    width: 200px;
    height: 33px;
    position: absolute;
    background: #66777a;
    transform: skewY(-16deg);
}

.wing-left {
    margin-right: 260px;
}

.wing-right {
    margin-left: 260px;
    transform: skewY(16deg);
}

.camera {
    width: 29px;
    height: 29px;
    position: absolute;
    z-index: 3;
    margin-top: 87px;
    border-radius: 50%;
    background: #14262c;
    border: 5px solid #85969a;
}

.propeller {
    width: 110px;
    height: 3px;
    position: absolute;
    background: var(--orange);
    opacity: .8;
}

.propeller-one {
    margin: -110px 0 0 -285px;
    transform: rotate(25deg);
}

.propeller-two {
    margin: -110px 0 0 285px;
    transform: rotate(-25deg);
}

.propeller-three {
    margin: 110px 0 0 -285px;
    transform: rotate(-25deg);
}

.propeller-four {
    margin: 110px 0 0 285px;
    transform: rotate(25deg);
}

.drone-data {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
    padding-top: 16px;
}

.drone-data small {
    display: block;
    color: #829398;
    font-size: 8px;
    letter-spacing: 1px;
}

.drone-data strong {
    font-size: 15px;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(1px);
    background: var(--orange);
    opacity: .4;
}

.orb-one {
    width: 18px;
    height: 18px;
    top: 20%;
    right: 4%;
}

.orb-two {
    width: 9px;
    height: 9px;
    bottom: 18%;
    left: 0;
    background: #75d3da;
}

.hero-bottom {
    position: absolute;
    z-index: 3;
    bottom: 28px;
    left: 50%;
    right: 0;
}

.scroll-label {
    color: #92a4a8;
    display: flex;
    align-items: center;
    gap: 13px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.scroll-line {
    width: 52px;
    height: 1px;
    background: var(--orange);
}

/* Stats */
.stats-section {
    background: var(--dark);
    color: white;
    padding: 0 0 80px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--line);
}

.stat-item {
    padding: 30px 25px;
    border-right: 1px solid var(--line);
}

.stat-item:first-child {
    padding-left: 0;
}

.stat-item strong {
    display: block;
    margin-bottom: 3px;
    color: var(--orange);
    font-family: "Space Grotesk", sans-serif;
    font-size: 42px;
    line-height: 1;
}

.stat-item span {
    color: var(--muted);
    font-size: 12px;
}

/* Sections */
.section {
    padding: 125px 0;
}

.section-heading {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: end;
    margin-bottom: 60px;
}

.section-heading h2,
.process-intro h2,
.contact-info h2,
.about-banner h2 {
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(38px, 5vw, 67px);
    line-height: 1;
    letter-spacing: -3px;
}

.section-heading > p {
    max-width: 460px;
    color: #657276;
    font-size: 16px;
}

.service-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 1px;
    background: #d3cec3;
}

.service-card {
    min-height: 300px;
    padding: 31px;
    position: relative;
    background: var(--cream);
    transition: .3s ease;
}

.service-card:hover {
    background: white;
    transform: translateY(-5px);
}

.service-card-large {
    grid-row: span 2;
    min-height: 601px;
    background: var(--dark);
    color: white;
}

.service-number {
    color: var(--orange);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
}

.service-icon {
    margin: 53px 0 24px;
    color: var(--orange);
    font-size: 35px;
}

.service-card h3 {
    margin-bottom: 13px;
    font-family: "Space Grotesk", sans-serif;
    font-size: 24px;
}

.service-card p {
    max-width: 330px;
    color: #778488;
    font-size: 14px;
}

.service-card-large p {
    color: #b1c0c2;
}

.service-card a {
    position: absolute;
    bottom: 30px;
    color: var(--orange);
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-card a span {
    font-size: 17px;
    margin-left: 7px;
}

/* Solutions */
.solutions-section {
    background: var(--dark);
    color: white;
}

.light-heading > p {
    color: #9babad;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.solution-card {
    height: 365px;
    padding: 25px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    transition: .4s ease;
}

.solution-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(0,0,0,.82), rgba(0,0,0,.05));
}

.solution-card > * {
    position: relative;
    z-index: 1;
}

.solution-card:hover {
    transform: translateY(-8px);
}

.solution-survey {
    background-image: url("https://images.unsplash.com/photo-1535378917042-10a22c95931a?auto=format&fit=crop&w=900&q=80");
}

.solution-energy {
    background-image: url("https://images.unsplash.com/photo-1473341304170-971dccb5ac1e?auto=format&fit=crop&w=900&q=80");
}

.solution-security {
    background-image: url("https://images.unsplash.com/photo-1516939884455-1445c8652f83?auto=format&fit=crop&w=900&q=80");
}

.solution-construction {
    background-image: url("https://images.unsplash.com/photo-1503387762-592dead58ef4?auto=format&fit=crop&w=900&q=80");
}

.solution-tag {
    color: #d0dada;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1.2px;
}

.solution-card h3 {
    margin-top: 10px;
    font-family: "Space Grotesk", sans-serif;
    font-size: 23px;
}

.solution-arrow {
    align-self: flex-end;
    color: var(--orange);
    font-size: 28px;
}

/* Process */
.process-layout {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 120px;
}

.process-intro > p:not(.eyebrow) {
    max-width: 360px;
    margin: 26px 0 35px;
    color: #6c7a7d;
}

.text-link {
    color: var(--orange);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.text-link span {
    margin-left: 10px;
    font-size: 18px;
}

.process-list {
    border-top: 1px solid #c9c5bb;
}

.process-item {
    display: grid;
    grid-template-columns: 75px 1fr;
    gap: 15px;
    padding: 26px 0;
    border-bottom: 1px solid #c9c5bb;
}

.process-item > span {
    color: var(--orange);
    font-size: 12px;
    font-weight: 800;
}

.process-item h3 {
    margin-bottom: 5px;
    font-family: "Space Grotesk", sans-serif;
    font-size: 25px;
}

.process-item p {
    color: #6e7b7e;
    font-size: 14px;
}

/* About */
.about-banner {
    padding: 100px 0;
    background:
        linear-gradient(90deg, rgba(255,107,53,.94), rgba(255,107,53,.74)),
        url("https://images.unsplash.com/photo-1527977966376-1c8408f9f108?auto=format&fit=crop&w=1800&q=80") center/cover;
    color: white;
}

.about-banner-content {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 100px;
    align-items: end;
}

.about-banner .eyebrow {
    color: white;
}

.about-banner h2 {
    max-width: 720px;
}

.about-banner p:last-child {
    font-size: 17px;
}

/* Contact */
.contact-section {
    background: #e9e5dc;
}

.contact-layout {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 100px;
}

.contact-info > p:not(.eyebrow) {
    max-width: 390px;
    margin: 26px 0;
    color: #6c797c;
}

.contact-details {
    margin-top: 45px;
    display: grid;
    gap: 20px;
}

.contact-details span {
    display: block;
    margin-bottom: 4px;
    color: var(--orange);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.contact-details a,
.contact-details strong {
    font-size: 14px;
    font-weight: 500;
}

.contact-form-wrapper {
    padding: 35px;
    background: white;
}

.form-message {
    margin-bottom: 20px;
    padding: 13px 16px;
    font-size: 13px;
}

.form-message.success {
    background: #e3f7e8;
    color: #20733b;
}

.form-message.error {
    background: #ffe8e5;
    color: #ad3424;
}

.contact-form {
    display: grid;
    gap: 23px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: grid;
    gap: 8px;
}

.form-group label {
    color: #526064;
    font-size: 11px;
    font-weight: 800;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    border: 1px solid #d5d8d4;
    outline: none;
    padding: 14px;
    color: var(--dark);
    background: #fafbf9;
    font: inherit;
    font-size: 13px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--orange);
}

.form-group textarea {
    resize: vertical;
}

.submit-button {
    width: fit-content;
    border: 0;
    cursor: pointer;
}

/* Footer */
.site-footer {
    padding: 70px 0 25px;
    background: var(--dark);
    color: white;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    padding-bottom: 70px;
}

.footer-brand p {
    margin-top: 22px;
    color: #87989d;
    font-size: 13px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 150px);
    gap: 35px;
}

.footer-links h4 {
    margin-bottom: 17px;
    color: var(--orange);
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.footer-links a {
    display: block;
    margin-bottom: 8px;
    color: #a9b5b7;
    font-size: 12px;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 22px;
    border-top: 1px solid var(--line);
    color: #718287;
    font-size: 11px;
}

/* Animation */
.reveal {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 950px) {
    .hero-content,
    .section-heading,
    .process-layout,
    .contact-layout,
    .about-banner-content {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .hero {
        min-height: 1100px;
    }

    .hero-content {
        padding-top: 160px;
    }

    .hero-visual {
        min-height: 390px;
    }

    .solution-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .service-card-large {
        grid-row: auto;
        min-height: 350px;
    }
}

@media (max-width: 700px) {
    .nav-wrapper {
        min-height: 75px;
    }

    .menu-toggle {
        display: block;
        z-index: 30;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 75px;
        left: 0;
        right: 0;
        padding: 25px;
        flex-direction: column;
        align-items: flex-start;
        background: var(--dark);
        border-top: 1px solid var(--line);
    }

    .main-nav.active {
        display: flex;
    }

    .hero {
        min-height: 990px;
    }

    .hero-content {
        min-height: 850px;
        padding-top: 125px;
    }

    .hero h1 {
        font-size: 52px;
        letter-spacing: -3px;
    }

    .hero-visual {
        min-height: 290px;
    }

    .drone-card {
        transform: rotate(0);
    }

    .drone-illustration {
        height: 190px;
        transform: scale(.7);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-item:nth-child(3) {
        padding-left: 0;
    }

    .stat-item:nth-child(2) {
        border-right: 0;
    }

    .section {
        padding: 80px 0;
    }

    .section-heading h2,
    .process-intro h2,
    .contact-info h2,
    .about-banner h2 {
        letter-spacing: -2px;
    }

    .service-grid,
    .solution-grid {
        grid-template-columns: 1fr;
    }

    .solution-card {
        height: 280px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        padding: 22px;
    }

    .footer-top,
    .footer-bottom {
        flex-direction: column;
    }

    .footer-links {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }

    .footer-bottom {
        gap: 8px;
    }
.required {
    color: var(--orange);
    font-weight: 800;
}

.form-message {
    border-radius: 4px;
    margin-bottom: 20px;
    padding: 14px 16px;
    font-size: 13px;
    font-weight: 500;
}

.form-message.success {
    background: #e3f7e8;
    color: #20733b;
    border-left: 4px solid #71e09a;
}

.form-message.error {
    background: #ffe8e5;
    color: #ad3424;
    border-left: 4px solid var(--orange);
}

textarea::placeholder {
    color: #b8bfbf;
}
}