:root {
    --header-height: 88px;
    --bg: #ffffff;
    --surface: #f6f7f9;
    --surface-strong: #eef1f5;
    --ink: #0a0d12;
    --muted: #5f6875;
    --line: #e5e8ed;
    --accent: #f26a21;
    --accent-rgb: 242, 106, 33;
    --dark: #050a12;
    --dark-card: #0d1521;
    --radius-sm: 14px;
    --radius-md: 22px;
    --radius-lg: 34px;
    --shadow: 0 20px 60px rgba(10, 22, 45, .10);
    --container: 1480px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--bg);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 70% 8%, rgba(18, 97, 255, .055), transparent 28rem),
        radial-gradient(circle at 4% 32%, rgba(18, 97, 255, .035), transparent 26rem);
    z-index: -1;
}

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

button,
input,
textarea {
    font: inherit;
}

svg {
    display: block;
}

.container {
    width: min(calc(100% - 48px), var(--container));
    margin-inline: auto;
}

.section {
    padding: 112px 0;
}

.section-tight {
    padding: 56px 0 88px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(20px);
    transition: border-color .25s ease, box-shadow .25s ease;
    border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
    border-color: rgba(15, 20, 30, .08);
    box-shadow: 0 10px 30px rgba(10, 20, 40, .04);
}

.header-inner {
    min-height: 88px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 36px;
}

.brand {
    display: inline-flex;
    align-items: center;
    transform: translateY(-6px);
    font-size: clamp(2rem, 3vw, 3.15rem);
    line-height: .8;
    letter-spacing: -.105em;
    font-weight: 500;
}

.main-nav {
    justify-self: center;
    display: flex;
    align-items: center;
    gap: 42px;
    font-weight: 650;
    font-size: .95rem;
}

.main-nav a {
    position: relative;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: -7px;
    height: 1px;
    background: var(--ink);
    transition: right .25s ease;
}

.main-nav a:hover::after {
    right: 0;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    min-height: 50px;
    padding: 0 22px;
    border: 0;
    border-radius: 10px;
    font-weight: 750;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

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

.button-dark {
    color: #fff;
    background: var(--dark);
    box-shadow: 0 14px 30px rgba(5, 10, 18, .16);
}

.button-dark:hover {
    box-shadow: 0 18px 38px rgba(5, 10, 18, .24);
}

.menu-toggle {
    display: none;
}

.hero {
    padding-top: 78px;
    min-height: 720px;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, .83fr) minmax(620px, 1.17fr);
    align-items: center;
    gap: 50px;
}

.eyebrow {
    margin: 0 0 20px;
    color: var(--accent);
    font-size: .82rem;
    font-weight: 850;
    letter-spacing: .075em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 14ch;
    margin-bottom: 26px;
    font-size: clamp(3rem, 4.6vw, 5.45rem);
    line-height: .99;
    letter-spacing: -.065em;
    font-weight: 760;
}

h2 {
    font-size: clamp(2.15rem, 3.65vw, 4.4rem);
    line-height: 1.04;
    letter-spacing: -.052em;
}

h3 {
    letter-spacing: -.025em;
}

.lead {
    max-width: 710px;
    margin-bottom: 32px;
    color: #2f3742;
    font-size: clamp(1.05rem, 1.4vw, 1.34rem);
    line-height: 1.55;
}

.hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 28px;
}

.text-link {
    font-weight: 750;
}

.brand-line {
    margin: 26px 0 0;
    color: var(--muted);
}

.hero-visual {
    min-width: 0;
}

.process-map {
    position: relative;
    width: 100%;
    aspect-ratio: 1.34;
    min-height: 500px;
}

.process-lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
}

.ambient-lines ellipse {
    fill: none;
    stroke: rgba(10, 25, 50, .05);
    stroke-width: 1;
}

.flow-lines path {
    fill: none;
    stroke: url(#lineGradient);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-dasharray: 4 8;
    animation: flow 7s linear infinite;
}

.process-core,
.process-node {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .9);
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, .95);
    backdrop-filter: blur(16px);
}

.process-core {
    left: 50%;
    top: 50%;
    width: 190px;
    height: 104px;
    transform: translate(-50%, -50%);
    border-radius: 18px;
    z-index: 4;
}

.process-core span {
    display: block;
    margin: 0;
    padding-right: .08em;
    padding-bottom: 15px;
    font-size: 3.25rem;
    font-weight: 500;
    letter-spacing: -.09em;
    line-height: 1;
    text-align: center;
}

.process-node {
    flex-direction: column;
    min-width: 116px;
    padding: 14px 14px 12px;
    border-radius: 18px;
    gap: 8px;
    font-size: .82rem;
    font-weight: 660;
    text-align: center;
    z-index: 3;
    transition: transform .25s ease, box-shadow .25s ease;
}

.process-node:hover {
    transform: translateY(-5px);
    box-shadow: 0 24px 64px rgba(10, 30, 60, .16);
}

.node-icon {
    width: 45px;
    height: 45px;
    display: grid;
    place-items: center;
    color: var(--ink);
}

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

.node-order {
    left: 22%;
    top: 10%;
}

.node-factory {
    left: 50%;
    top: 1%;
    transform: translateX(-50%);
}

.node-warehouse {
    right: 10%;
    top: 14%;
}

.node-invoice {
    right: 0;
    top: 44%;
}

.node-quality {
    right: 11%;
    bottom: 7%;
}

.node-customer {
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
}

.node-report {
    left: 12%;
    bottom: 8%;
}

.node-shipping {
    left: 0;
    top: 44%;
}

.comparison {
    border-top: 1px solid rgba(10, 20, 30, .045);
    background: rgba(255, 255, 255, .78);
}

.comparison-grid {
    display: grid;
    grid-template-columns: minmax(0, .94fr) 80px minmax(0, 1.06fr);
    gap: 26px;
    align-items: stretch;
}

.comparison-side h2 {
    margin-bottom: 30px;
    font-size: clamp(2rem, 3vw, 3.6rem);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.problem-card {
    min-height: 220px;
    padding: 24px 20px;
    border-radius: var(--radius-sm);
    background: linear-gradient(145deg, #f8f9fb, #f1f3f6);
    border: 1px solid rgba(10, 20, 30, .04);
}

.card-icon,
.benefit-icon {
    color: var(--accent);
}

.card-icon svg,
.benefit-icon svg {
    width: 30px;
    height: 30px;
}

.problem-card h3,
.benefit-card h3 {
    margin: 20px 0 10px;
    font-size: 1.03rem;
}

.problem-card p,
.benefit-card p {
    margin: 0;
    color: var(--muted);
    font-size: .86rem;
}

.comparison-divider {
    display: grid;
    place-items: center;
    border-left: 1px solid var(--line);
}

.comparison-divider span {
    color: #a8b1bf;
    font-size: 4rem;
    font-weight: 200;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px 22px;
}

.benefit-card {
    padding: 16px 8px;
}

.dark-section {
    color: #fff;
    background:
        radial-gradient(circle at 75% 0%, rgba(18, 97, 255, .14), transparent 26rem),
        linear-gradient(180deg, #06101c 0%, #03070d 100%);
}

.section-heading {
    max-width: 970px;
    margin-bottom: 50px;
}

.section-heading h2 {
    margin-bottom: 18px;
}

.section-heading>p:last-child {
    color: var(--muted);
    max-width: 780px;
    font-size: 1.15rem;
}

.section-heading.inverse>p:last-child {
    color: #9caabd;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.solution-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 22px;
    background: rgba(12, 22, 35, .88);
}

.solution-art {
    position: relative;
    min-height: 180px;
    display: flex;
    align-items: flex-end;
    padding: 18px;
    background-color: #101b28;
    overflow: hidden;
}

.solution-art::before,
.solution-art::after {
    content: "";
    position: absolute;
    inset: 0;
}

.solution-art::before {
    opacity: .55;
    background:
        linear-gradient(90deg, transparent 48%, rgba(126, 166, 255, .16) 49%, transparent 50%),
        linear-gradient(transparent 48%, rgba(126, 166, 255, .12) 49%, transparent 50%);
    background-size: 48px 48px;
    transform: perspective(400px) rotateX(58deg) scale(1.6);
}

.solution-art::after {
    background: linear-gradient(180deg, transparent 30%, rgba(5, 10, 18, .9));
}

.solution-art span {
    position: relative;
    z-index: 2;
    padding: 0;
    margin: 0;
    background: transparent;
    border-radius: 0;
    color: rgba(255, 255, 255, .14);
    font-size: clamp(1.8rem, 2.5vw, 3rem);
    font-weight: 800;
    line-height: .95;
    letter-spacing: -.04em;
    text-transform: none;
}

.solution-art-factory {
    background-image: radial-gradient(circle at 28% 40%, #33475f, transparent 25rem);
}

.solution-art-warehouse {
    background-image: radial-gradient(circle at 60% 30%, #4f3c24, transparent 25rem);
}

.solution-art-mobile {
    background-image: radial-gradient(circle at 50% 40%, #243954, transparent 25rem);
}

.solution-art-automation {
    background-image: radial-gradient(circle at 50% 35%, #354050, transparent 25rem);
}

.solution-content {
    padding: 24px;
}

.solution-content h3 {
    margin-bottom: 18px;
    font-size: 1.05rem;
}

.solution-content ul {
    margin: 0;
    padding: 0;
    list-style: none;
    color: #bdc8d8;
    font-size: .91rem;
}

.solution-content li {
    position: relative;
    padding: 6px 0 6px 20px;
}

.solution-content li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #55a3ff;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.step-card {
    min-height: 260px;
    padding: 24px;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid rgba(10, 20, 30, .045);
}

.step-number {
    color: #e0e0e5;
    font-size: 6.00rem;
    font-weight: 850;
}

.step-card h3 {
    color: var(--accent);
    margin: 4px 0 14px;
    font-size: 2.0rem;
}

.step-card p {
    color: var(--muted);
}

.manifesto {
    padding-top: 30px;
}

.manifesto-inner {
    padding: 82px;
    border-radius: var(--radius-lg);
    color: #fff;
    background:
        radial-gradient(circle at 85% 10%, rgba(18, 97, 255, .45), transparent 22rem),
        #050a12;
}

.manifesto h2 {
    max-width: 1250px;
    margin-bottom: 26px;
}

.manifesto p:last-child {
    max-width: 780px;
    color: #b8c3d0;
    font-size: 1.18rem;
}

.contact-section {
    padding-top: 40px;
}

.contact-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 90px;
    align-items: start;
}

.contact-copy {
    position: sticky;
    top: 140px;
}

.contact-copy h2 {
    margin-bottom: 24px;
}

.contact-copy>p:last-child {
    max-width: 620px;
    color: var(--muted);
    font-size: 1.1rem;
}

.contact-form {
    display: grid;
    gap: 20px;
    padding: 34px;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid rgba(10, 20, 30, .05);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

label {
    display: grid;
    gap: 9px;
    color: #303846;
    font-size: .88rem;
    font-weight: 720;
}

input,
textarea {
    width: 100%;
    border: 1px solid #d9dee6;
    border-radius: 10px;
    background: #fff;
    color: var(--ink);
    padding: 14px 15px;
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease;
}

input:focus,
textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(18, 97, 255, .09);
}

textarea {
    resize: vertical;
}

.honeypot {
    position: absolute;
    left: -9999px;
}

.form-status {
    min-height: 1.5em;
    margin: 0;
    color: var(--muted);
}

.site-footer {
    padding: 16px 0;
    border-top: 1px solid var(--line);
}

.footer-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 16px;
}

.footer-inner .brand {
    display: flex;
    align-items: center;

    margin: 0;
    padding: 0 0 3px;
    transform: translateY(-4px);
    color: var(--ink);
    font-size: 2.5rem;
    line-height: 1;
}

.footer-inner p {
    display: flex;
    color: var(--muted);
    align-items: center;
    min-height: 2.5rem;
    margin: 0;
    line-height: 1.3;
}

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .75s ease, transform .75s cubic-bezier(.2, .7, .2, 1);
}

.reveal-delay {
    transition-delay: .12s;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@keyframes flow {
    to {
        stroke-dashoffset: -48;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 1180px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .hero-copy {
        max-width: 920px;
    }

    .hero-visual {
        max-width: 850px;
        width: 100%;
        margin-inline: auto;
    }

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

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

    .comparison-divider {
        display: none;
    }

    .benefit-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .header-inner {
        grid-template-columns: auto auto;
        justify-content: space-between;
        min-height: 72px;
    }

    .menu-toggle {
        display: inline-grid;
        width: 44px;
        height: 44px;
        place-content: center;
        gap: 6px;
        border: 0;
        border-radius: 10px;
        background: var(--surface);
    }

    .menu-toggle span:not(.sr-only) {
        width: 21px;
        height: 2px;
        background: var(--ink);
    }

    .main-nav {
        position: absolute;
        top: 72px;
        left: 24px;
        right: 24px;
        display: none;
        align-items: stretch;
        flex-direction: column;
        gap: 0;
        padding: 14px;
        border: 1px solid var(--line);
        border-radius: 16px;
        background: #fff;
        box-shadow: var(--shadow);
    }

    .main-nav.is-open {
        display: flex;
    }

    .main-nav a {
        padding: 14px;
    }

    .header-cta {
        display: none;
    }

    .process-map {
        transform: scale(.9);
        transform-origin: center;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .contact-copy {
        position: static;
    }

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

@media (max-width: 680px) {
    .container {
        width: min(calc(100% - 30px), var(--container));
    }

    .section {
        padding: 78px 0;
    }

    .hero {
        padding-top: 46px;
        min-height: auto;
    }

    h1 {
        font-size: clamp(3rem, 14vw, 4.6rem);
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .hero-actions .button {
        width: 100%;
    }

    .process-map {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        min-height: auto;
        aspect-ratio: auto;
        transform: none;
    }

    .process-lines {
        display: none;
    }

    .process-core,
    .process-node {
        position: static;
        width: auto;
        min-width: 0;
        height: auto;
        transform: none;
    }

    .process-core {
        grid-column: 1 / -1;
        min-height: 110px;
    }

    .process-core span {
        font-size: 3.3rem;
    }

    .problem-grid,
    .benefit-grid,
    .solution-grid,
    .steps-grid,
    .form-row {
        grid-template-columns: 1fr;
    }

    .problem-card {
        min-height: auto;
    }

    .manifesto-inner {
        padding: 42px 26px;
    }

    .contact-form {
        padding: 24px;
    }
}


/* ===== Stabilizáló felülírások ===== */

/* A menü görgetési korrekcióját csak az html kezeli. */
main>section[id] {
    scroll-margin-top: 0;
}

/* A fő tartalmi blokkok legalább egy képernyőmagasságot töltenek ki. */
main>section {
    min-height: calc(100svh - var(--header-height));
    display: flex;
    align-items: center;
}

main>section>.container {
    width: min(calc(100% - 48px), var(--container));
}

/* A Projektjeink kártyákon nincs rács vagy fedőréteg. */
#projektek .solution-card .solution-art::before,
#projektek .solution-card .solution-art::after {
    content: none !important;
    display: none !important;
    background: none !important;
}

#projektek .solution-card .solution-art {
    min-height: 180px;
    align-items: center;
    justify-content: center;
    padding: 18px;
}

#projektek .solution-card .solution-art>span {
    font-size: clamp(1.4rem, 2vw, 2.6rem);
    font-weight: 800;
    letter-spacing: 0.00em;
    line-height: 1;
}

@media (max-width: 900px) {
    :root {
        --header-height: 72px;
    }
}

@media (max-width: 680px) {
    main>section>.container {
        width: min(calc(100% - 30px), var(--container));
    }

    main>section {
        min-height: auto;
    }
}