:root {
    --sf-green: #19b66a;
    --sf-green-dark: #0c7d47;
    --sf-white: #ffffff;
    --sf-gray-50: #f7f9fb;
    --sf-gray-100: #eef2f6;
    --sf-gray-200: #d8e0e8;
    --sf-gray-500: #627083;
    --sf-gray-700: #2d3748;
    --sf-gray-900: #111827;
    --sf-shadow: 0 20px 60px rgba(15, 23, 42, 0.18);
    --sf-radius-lg: 28px;
    --sf-radius-md: 18px;
    --sf-radius-sm: 12px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Inter", Arial, sans-serif;
    color: var(--sf-gray-900);
    background: var(--sf-white);
    line-height: 1.6;
}

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

button,
input,
select,
textarea {
    font: inherit;
}

.sf-container {
    width: min(1160px, calc(100% - 40px));
    margin: 0 auto;
}

.sf-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(216, 224, 232, 0.75);
}

.sf-nav {
    width: min(1160px, calc(100% - 40px));
    height: 78px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.sf-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: max-content;
}

.sf-logo-mark {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    color: var(--sf-white);
    font-weight: 800;
    letter-spacing: -0.05em;
    background: linear-gradient(135deg, var(--sf-green), var(--sf-gray-900));
    box-shadow: 0 10px 25px rgba(25, 182, 106, 0.3);
}

.sf-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.sf-brand-text span {
    font-weight: 800;
    font-size: 1.05rem;
}

.sf-brand-text small {
    color: var(--sf-gray-500);
    font-weight: 600;
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sf-nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
    color: var(--sf-gray-700);
    font-weight: 700;
}

.sf-nav-links a:not(.sf-nav-cta):hover {
    color: var(--sf-green-dark);
}

.sf-nav-cta {
    color: var(--sf-white);
    background: var(--sf-gray-900);
    padding: 11px 16px;
    border-radius: 999px;
    box-shadow: 0 8px 22px rgba(17, 24, 39, 0.18);
}

.sf-nav-cta:hover {
    background: var(--sf-green-dark);
}

.sf-menu-button {
    display: none;
    width: 46px;
    height: 42px;
    padding: 10px;
    border: 1px solid var(--sf-gray-200);
    border-radius: 12px;
    background: var(--sf-white);
    cursor: pointer;
}

.sf-menu-button span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: var(--sf-gray-900);
    border-radius: 999px;
}

.sf-hero {
    position: relative;
    overflow: hidden;
    padding: 86px 0 72px;
    background: radial-gradient(circle at top left, rgba(25, 182, 106, 0.16), transparent 36%), linear-gradient(180deg, #ffffff, #f7f9fb);
}

.sf-hero-bg {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(17, 24, 39, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(17, 24, 39, 0.05) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.sf-hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
    gap: 48px;
    align-items: center;
}

.sf-eyebrow {
    margin: 0 0 14px;
    color: var(--sf-green-dark);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.8rem;
}

.sf-hero h1,
.sf-section-heading h2,
.sf-contact-panel h2 {
    margin: 0;
    color: var(--sf-gray-900);
    line-height: 1.05;
    letter-spacing: -0.06em;
}

.sf-hero h1 {
    max-width: 780px;
    font-size: clamp(2.65rem, 6vw, 5.6rem);
}

.sf-hero-subtitle {
    max-width: 650px;
    margin: 24px 0 0;
    font-size: 1.2rem;
    color: var(--sf-gray-500);
}

.sf-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.sf-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 13px 20px;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 800;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

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

.sf-button-primary {
    color: var(--sf-white);
    background: linear-gradient(135deg, var(--sf-green), var(--sf-green-dark));
    box-shadow: 0 14px 30px rgba(25, 182, 106, 0.28);
}

.sf-button-secondary {
    color: var(--sf-gray-900);
    background: var(--sf-white);
    border: 1px solid var(--sf-gray-200);
    box-shadow: 0 12px 28px rgba(17, 24, 39, 0.08);
}

.sf-contact-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 26px;
    color: var(--sf-gray-700);
    font-weight: 700;
}

.sf-contact-strip a:hover,
.sf-footer a:hover {
    color: var(--sf-green-dark);
}

.sf-hero-card {
    position: relative;
    border: 1px solid rgba(216, 224, 232, 0.8);
    border-radius: var(--sf-radius-lg);
    padding: 28px;
    background: rgba(255, 255, 255, 0.78);
    box-shadow: var(--sf-shadow);
    backdrop-filter: blur(16px);
}

.sf-print-plate {
    position: relative;
    min-height: 310px;
    border-radius: 24px;
    overflow: hidden;
    background: linear-gradient(135deg, #152033, #0f172a 52%, #142c22);
}

.sf-print-plate::before {
    content: "";
    position: absolute;
    inset: 24px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    background-image: linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 24px 24px;
}

.sf-cube {
    position: absolute;
    border-radius: 16px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.36);
    transform: rotate(-12deg) skew(4deg);
}

.sf-cube-one {
    width: 120px;
    height: 120px;
    left: 58px;
    top: 78px;
    background: linear-gradient(135deg, var(--sf-green), #7de8ac);
}

.sf-cube-two {
    width: 92px;
    height: 92px;
    right: 78px;
    top: 62px;
    background: linear-gradient(135deg, #e9eef5, #9aa8b8);
}

.sf-cube-three {
    width: 140px;
    height: 84px;
    right: 58px;
    bottom: 64px;
    background: linear-gradient(135deg, #f7f9fb, var(--sf-gray-200));
}

.sf-hero-card-content {
    padding-top: 22px;
}

.sf-hero-card-content h2,
.sf-service-card h3,
.sf-step h3 {
    margin: 0 0 8px;
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.sf-hero-card-content p,
.sf-service-card p,
.sf-step p,
.sf-section-heading p,
.sf-contact-panel p {
    margin: 0;
    color: var(--sf-gray-500);
}

.sf-section {
    padding: 84px 0;
}

.sf-section-alt {
    background: var(--sf-gray-50);
    border-top: 1px solid var(--sf-gray-100);
    border-bottom: 1px solid var(--sf-gray-100);
}

.sf-section-heading {
    max-width: 740px;
    margin: 0 auto 38px;
    text-align: center;
}

.sf-left-heading {
    margin: 0;
    text-align: left;
}

.sf-section-heading h2,
.sf-contact-panel h2 {
    font-size: clamp(2rem, 4vw, 3.4rem);
    margin-bottom: 16px;
}

.sf-card-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.sf-service-card {
    padding: 24px;
    border: 1px solid var(--sf-gray-200);
    border-radius: var(--sf-radius-md);
    background: var(--sf-white);
    box-shadow: 0 14px 34px rgba(17, 24, 39, 0.06);
}

.sf-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    margin-bottom: 20px;
    color: var(--sf-white);
    background: var(--sf-gray-900);
    border-radius: 13px;
    font-weight: 800;
}

.sf-process-grid,
.sf-contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: start;
}

.sf-steps {
    display: grid;
    gap: 16px;
}

.sf-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    padding: 22px;
    border: 1px solid var(--sf-gray-200);
    border-radius: var(--sf-radius-md);
    background: var(--sf-white);
}

.sf-step span {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    color: var(--sf-white);
    background: linear-gradient(135deg, var(--sf-green), var(--sf-green-dark));
    font-weight: 800;
}

.sf-contact-panel {
    padding: 32px;
    border-radius: var(--sf-radius-lg);
    background: var(--sf-gray-900);
    color: var(--sf-white);
    box-shadow: var(--sf-shadow);
}

.sf-contact-panel h2,
.sf-contact-panel .sf-eyebrow {
    color: var(--sf-white);
}

.sf-contact-panel p {
    color: rgba(255, 255, 255, 0.72);
}

.sf-contact-methods {
    display: grid;
    gap: 14px;
    margin-top: 28px;
}

.sf-contact-methods a {
    display: grid;
    gap: 2px;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.06);
}

.sf-contact-methods span {
    color: rgba(255, 255, 255, 0.76);
}

.sf-form {
    padding: 28px;
    border: 1px solid var(--sf-gray-200);
    border-radius: var(--sf-radius-lg);
    background: var(--sf-white);
    box-shadow: 0 18px 50px rgba(17, 24, 39, 0.08);
}

.sf-form-row {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
}

.sf-form-row label {
    color: var(--sf-gray-700);
    font-weight: 800;
}

.sf-form-row input,
.sf-form-row select,
.sf-form-row textarea {
    width: 100%;
    padding: 13px 14px;
    color: var(--sf-gray-900);
    border: 1px solid var(--sf-gray-200);
    border-radius: var(--sf-radius-sm);
    background: var(--sf-gray-50);
    outline: none;
}

.sf-form-row input:focus,
.sf-form-row select:focus,
.sf-form-row textarea:focus {
    border-color: var(--sf-green);
    box-shadow: 0 0 0 4px rgba(25, 182, 106, 0.14);
    background: var(--sf-white);
}

.sf-form-note,
.sf-form-status {
    margin: 8px 0 0;
    color: var(--sf-gray-500);
    font-size: 0.92rem;
}

.sf-form-button {
    width: 100%;
    margin-top: 18px;
}

.sf-form-status {
    min-height: 22px;
    text-align: center;
    font-weight: 700;
}

.sf-footer {
    padding: 30px 0;
    border-top: 1px solid var(--sf-gray-200);
    background: var(--sf-gray-50);
}

.sf-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.sf-footer-inner div:first-child {
    display: grid;
    gap: 2px;
}

.sf-footer-inner span,
.sf-footer-links {
    color: var(--sf-gray-500);
}

.sf-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-weight: 700;
}

@media (max-width: 940px) {
    .sf-menu-button {
        display: block;
    }

    .sf-nav-links {
        position: absolute;
        top: 78px;
        left: 20px;
        right: 20px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 12px;
        border: 1px solid var(--sf-gray-200);
        border-radius: 18px;
        background: var(--sf-white);
        box-shadow: var(--sf-shadow);
    }

    .sf-nav-links.is-open {
        display: flex;
    }

    .sf-nav-links a {
        padding: 12px 14px;
        border-radius: 12px;
    }

    .sf-nav-cta {
        text-align: center;
        margin-top: 8px;
    }

    .sf-hero-grid,
    .sf-process-grid,
    .sf-contact-grid {
        grid-template-columns: 1fr;
    }

    .sf-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 620px) {
    .sf-container,
    .sf-nav {
        width: min(100% - 28px, 1160px);
    }

    .sf-brand-text small {
        display: none;
    }

    .sf-hero {
        padding: 56px 0 54px;
    }

    .sf-section {
        padding: 58px 0;
    }

    .sf-card-grid {
        grid-template-columns: 1fr;
    }

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

    .sf-print-plate {
        min-height: 250px;
    }
}