:root {
    --bg: #071116;
    --bg-soft: #0b1920;
    --surface: #10232c;
    --surface-light: #152d38;
    --border: #27424e;
    --text: #edf7f8;
    --muted: #9db2ba;
    --accent: #39d98a;
    --accent-hover: #58e5a0;
    --cyan: #43c9e8;
    --dark: #04100a;
    --max-width: 1180px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: "DM Sans", sans-serif;
    line-height: 1.6;
}

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

.container {
    width: min(100% - 40px, var(--max-width));
    margin: 0 auto;
}


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

.site-header {
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}

.header-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: "Rajdhani", sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.brand-mark {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border: 2px solid var(--accent);
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 700;
}

.nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav a {
    color: var(--muted);
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

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

.nav .nav-button {
    padding: 9px 17px;
    border: 1px solid var(--accent);
    color: var(--accent);
}

.nav .nav-button:hover {
    background: var(--accent);
    color: var(--dark);
}


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

.hero {
    padding: 105px 0 95px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 70px;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    color: var(--accent);
    font-family: "Rajdhani", sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 28px;
    height: 2px;
    background: var(--accent);
}

.hero h1 {
    max-width: 650px;
    margin-bottom: 24px;
    font-family: "Rajdhani", sans-serif;
    font-size: clamp(3.5rem, 7vw, 5.8rem);
    font-weight: 700;
    line-height: 0.92;
    letter-spacing: -0.03em;
}

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

.hero-text {
    max-width: 650px;
    margin-bottom: 34px;
    color: var(--muted);
    font-size: 1.05rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 22px;
    border: 1px solid transparent;
    font-weight: 700;
    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        color 0.2s ease,
        transform 0.2s ease;
}

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

.button-primary {
    background: var(--accent);
    color: var(--dark);
}

.button-primary:hover {
    background: var(--accent-hover);
}

.button-secondary {
    border-color: var(--border);
    color: var(--text);
}

.button-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}


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

.hero-preview {
    width: 100%;
}

.preview-window {
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.35);
}

.preview-bar {
    height: 42px;
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 0 15px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-light);
}

.preview-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
}

.preview-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 20px;
}

.preview-panel {
    min-width: 0;
    padding: 16px;
    border: 1px solid var(--border);
    background: #08161d;
}

.preview-label {
    margin-bottom: 13px;
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.preview-image {
    height: 190px;
    display: grid;
    place-items: center;
    overflow: hidden;
    background:
        linear-gradient(45deg, #18303b 25%, transparent 25%),
        linear-gradient(-45deg, #18303b 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #18303b 75%),
        linear-gradient(-45deg, transparent 75%, #18303b 75%);
    background-size: 24px 24px;
    background-position:
        0 0,
        0 12px,
        12px -12px,
        -12px 0;
}

.preview-image::after {
    content: "IMAGE";
    width: 58%;
    height: 62%;
    display: grid;
    place-items: center;
    border: 2px solid var(--cyan);
    color: var(--cyan);
    font-family: "Rajdhani", sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.preview-info {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 11px;
    color: var(--muted);
    font-size: 0.7rem;
}

.preview-settings {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.setting {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 11px;
    border: 1px solid var(--border);
    background: var(--bg-soft);
}

.setting-content {
    min-width: 0;
}

.setting strong {
    display: block;
    margin-bottom: 2px;
    font-size: 0.78rem;
}

.setting-content > span {
    color: var(--muted);
    font-size: 0.72rem;
}

.setting-arrow {
    flex: 0 0 auto;
    color: var(--muted);
    font-size: 1.15rem;
    line-height: 1;
    transform: translateY(-2px);
}


/* ================================
   SECTIONS
================================ */

.section {
    padding: 95px 0;
    border-top: 1px solid var(--border);
}

.section-header {
    max-width: 760px;
    margin-bottom: 50px;
}

.section-number {
    margin-bottom: 12px;
    color: var(--accent);
    font-family: "Rajdhani", sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.14em;
}

.section h2 {
    margin-bottom: 18px;
    font-family: "Rajdhani", sans-serif;
    font-size: clamp(2.5rem, 5vw, 4.2rem);
    line-height: 0.98;
}

.section-header p {
    color: var(--muted);
}


/* ================================
   OVERVIEW
================================ */

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
}

.overview-copy p {
    margin-bottom: 18px;
    color: var(--muted);
}

.overview-list {
    display: grid;
    gap: 12px;
    list-style: none;
}

.overview-list li {
    position: relative;
    padding: 15px 18px 15px 43px;
    border-left: 2px solid var(--accent);
    background: var(--surface);
    color: var(--text);
}

.overview-list li::before {
    content: "✓";
    position: absolute;
    left: 17px;
    color: var(--accent);
    font-weight: 700;
}


/* ================================
   FEATURES
================================ */

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-card {
    min-height: 215px;
    padding: 28px;
    border: 1px solid var(--border);
    background: var(--surface);
    transition:
        border-color 0.2s ease,
        transform 0.2s ease;
}

.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}

.feature-icon {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    margin-bottom: 23px;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: "Rajdhani", sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
}

.feature-card h3 {
    margin-bottom: 9px;
    font-family: "Rajdhani", sans-serif;
    font-size: 1.45rem;
}

.feature-card p {
    color: var(--muted);
    font-size: 0.9rem;
}


/* ================================
   PROCESSING
================================ */

.processing {
    background: var(--bg-soft);
}

.processing-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    align-items: center;
    gap: 75px;
}

.processing-copy h2 {
    max-width: 600px;
}

.processing-copy p:not(.section-number) {
    max-width: 620px;
    margin-bottom: 18px;
    color: var(--muted);
}

.processing-panel {
    padding: 28px;
    border: 1px solid var(--border);
    background: var(--surface);
}

.processing-line {
    min-height: 65px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--border);
}

.processing-line:last-child {
    border-bottom: 0;
}

.processing-number {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    display: grid;
    place-items: center;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: "Rajdhani", sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
}

.processing-line span {
    color: var(--muted);
    font-size: 0.9rem;
}


/* ================================
   CTA
================================ */

.cta {
    padding: 100px 0;
    border-top: 1px solid var(--border);
}

.cta-inner {
    padding: 70px 40px;
    border: 1px solid var(--border);
    background: var(--surface);
    text-align: center;
}

.cta-inner h2 {
    max-width: 760px;
    margin: 0 auto 18px;
    font-family: "Rajdhani", sans-serif;
    font-size: clamp(2.7rem, 5vw, 4.5rem);
    line-height: 0.95;
}

.cta-inner p:not(.section-number) {
    max-width: 600px;
    margin: 0 auto 30px;
    color: var(--muted);
}


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

.site-footer {
    padding: 35px 0;
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.footer-brand {
    margin-bottom: 3px;
    font-family: "Rajdhani", sans-serif;
    font-weight: 700;
}

.footer-text {
    color: var(--muted);
    font-size: 0.82rem;
}

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

.footer-links a {
    color: var(--muted);
    font-size: 0.8rem;
}

.footer-links a:hover {
    color: var(--accent);
}


/* ================================
   TABLET
================================ */

@media (max-width: 950px) {

    .hero-grid,
    .overview-grid,
    .processing-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 80px;
    }

    .hero-preview {
        max-width: 720px;
    }

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


/* ================================
   MOBILE
================================ */

@media (max-width: 700px) {

    .container {
        width: min(100% - 28px, var(--max-width));
    }

    .header-inner {
        min-height: 64px;
    }

    .nav {
        gap: 12px;
    }

    .nav a:not(.nav-button) {
        display: none;
    }

    .hero {
        padding: 65px 0 70px;
    }

    .hero h1 {
        font-size: clamp(3.2rem, 15vw, 4.7rem);
    }

    .hero-text {
        font-size: 0.98rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .preview-body {
        grid-template-columns: 1fr;
        padding: 14px;
    }

    .preview-panel {
        min-height: auto;
    }

    .preview-image {
        height: 155px;
    }

    .section {
        padding: 75px 0;
    }

    .section-header {
        margin-bottom: 35px;
    }

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

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

    .processing-grid {
        gap: 40px;
    }

    .processing-panel {
        padding: 20px;
    }

    .cta {
        padding: 75px 0;
    }

    .cta-inner {
        padding: 50px 22px;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-links {
        gap: 15px;
    }
}


/* ================================
   SMALL MOBILE
================================ */

@media (max-width: 420px) {

    .brand {
        font-size: 1.1rem;
    }

    .brand-mark {
        width: 32px;
        height: 32px;
    }

    .nav .nav-button {
        padding: 8px 13px;
        font-size: 0.8rem;
    }

    .hero h1 {
        font-size: 3.25rem;
    }

    .preview-info {
        flex-direction: column;
        gap: 3px;
    }

    .setting {
        padding: 9px 10px;
    }

    .setting-arrow {
        font-size: 1rem;
    }

    .cta-inner h2 {
        font-size: 2.7rem;
    }
}