/* latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/inter-400-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/inter-400-lat.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/inter-500-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/inter-500-lat.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/inter-600-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/inter-600-lat.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext */
@font-face {
  font-family: 'Oswald';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/oswald-500-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
  font-family: 'Oswald';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/oswald-500-lat.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext */
@font-face {
  font-family: 'Oswald';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/oswald-700-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
  font-family: 'Oswald';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/oswald-700-lat.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}


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

body {
    font-family: 'Inter', sans-serif;
    background: #0a0a0a;
    color: #e8e8e8;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: rgba(10,10,10,0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid #222;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo {
    height: 150px;
    max-height: 100%;
    object-fit: contain;
}

.logo-text {
    font-family: 'Oswald', sans-serif;
    font-size: 1.4rem;
    color: #556B2F;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #556B2F;
}

.burger {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
}

.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    perspective: 1000px;
}

#scroll-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.85;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/industrial.jpg') center/cover no-repeat;
    filter: brightness(0.35) contrast(1.15);
    z-index: 0;
    transform: scale(1.05);
}

section {
    /* clean */
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 2rem;
    transform-style: preserve-3d;
    will-change: transform, opacity;
}

.hero h1 {
    font-size: 9rem !important;
    line-height: 0.8 !important;
    color: #fff;
    margin-bottom: 0.5rem;
    text-shadow: 0 20px 50px rgba(0,0,0,0.8);
    font-weight: 700;
    letter-spacing: -2px;
}

.tagline {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    color: #ddd;
}

.cta-button {
    display: inline-block;
    background: #556B2F;
    color: #000;
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    background: #7A9E2A;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,200,83,0.4);
}

.cta-button.mega {
    padding: 1.2rem 3rem;
    font-size: 1.25rem;
}

.statement {
    padding: 6rem 5%;
    background: #111;
    text-align: center;
}

.statement h2 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 1.5rem;
}

.statement h2 span {
    color: #556B2F;
}

.statement p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.25rem;
    color: #bbb;
}

.services {
    padding: 6rem 5%;
    background: #0a0a0a;
}

.services h2, .advantages h2, .gallery h2, .contact h2 {
    text-align: center;
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
    color: #fff;
}

.section-sub {
    text-align: center;
    color: #888;
    margin-bottom: 3rem;
    font-size: 1.2rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.service-card {
    background: #161616;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.5s;
    border: 1px solid #222;
    transform-style: preserve-3d;
    perspective: 800px;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(85,107,47,0.28);
    border-color: #556B2F;
}

.service-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.service-card h3 {
    color: #556B2F;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.advantages {
    padding: 6rem 5%;
    background: linear-gradient(180deg, #0a0a0a 0%, #111 100%);
}

.adv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 3rem auto 0;
}

.adv-item {
    text-align: center;
}

.adv-number {
    font-family: 'Oswald', sans-serif;
    font-size: 3.5rem;
    color: #556B2F;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.gallery {
    padding: 6rem 5%;
    background: #0a0a0a;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    max-width: 1400px;
    margin: 0 auto;
}

.gallery-grid img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.4s, filter 0.4s;
    cursor: pointer;
}

.gallery-grid img:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.cta-band {
    padding: 5rem 5%;
    background: linear-gradient(135deg, #556B2F 0%, #3A4A22 100%);
    text-align: center;
    color: #fff;
}

.cta-band h2 {
    color: #fff;
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
}

.cta-band p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.contact {
    padding: 6rem 5%;
    background: #111;
}

.contact-content {
    display: flex;
    gap: 4rem;
    max-width: 1100px;
    margin: 3rem auto 0;
    background: #1a1a1a;
    padding: 3rem;
    border-radius: 12px;
    border: 1px solid #333;
}

.contact-info h3 {
    color: #556B2F;
    margin-bottom: 1rem;
}

.highlight {
    margin-top: 1.5rem;
    color: #556B2F;
    font-weight: 600;
}

.contact-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 1rem;
    background: #222;
    border: 1px solid #333;
    color: #fff;
    border-radius: 6px;
    font-size: 1rem;
}

.contact-form button {
    align-self: flex-start;
    margin-top: 0.5rem;
}

footer {
    background: #000;
    text-align: center;
    padding: 3rem 1rem;
    border-top: 1px solid #222;
}

.footer-logo {
    height: 150px;
    margin-bottom: 1rem;
}

.local-seo {
    padding: 4rem 5%;
    background: #0f0f0f;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.local-seo h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 1rem;
    color: #556B2F;
}

.local-seo p {
    color: #bbb;
    font-size: 1.15rem;
}


@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #111;
        flex-direction: column;
        padding: 2rem;
        text-align: center;
    }
    .nav-links.active { display: flex; }
    .burger { display: block; }
    .hero h1 { font-size: 3.2rem !important; }
    .contact-content { flex-direction: column; padding: 2rem; }
}

/* Before/After labels */
.before-after {
    position: relative;
    overflow: hidden;
}
.before-after img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.ba-label {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    padding: 4px 10px;
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Call button */
.call-btn, .call-now {
    background: #556B2F !important;
    color: #fff !important;
    padding: 0.5rem 1.2rem !important;
    border-radius: 4px;
    font-weight: 600;
}
.call-now {
    display: inline-block;
    margin-top: 1rem;
}


/* ===== Logo, hero, calculator, form, polish ===== */

.navbar {
    min-height: 80px;
    height: 80px;
    padding: 0 2rem;
    align-items: center;
    background: rgba(10,10,10,0.95);
    border-bottom: 1px solid #222;
}
.logo-container {
    display: flex;
    align-items: center;
    height: 80px;
    text-decoration: none;
}
.logo {
    height: 72px;
    width: auto;
    max-height: 72px;
    object-fit: contain;
    display: block;
    padding: 4px 0;
}
.footer-logo {
    height: auto;
    width: min(420px, 90%);
    max-height: 100px;
    object-fit: contain;
    margin-bottom: 1rem;
}
.footer-links { margin: 0.6rem 0 1rem; }
.footer-links a {
    color: #aaa;
    margin: 0 0.9rem;
    text-decoration: none;
}
.footer-links a:hover { color: #7A9E2A; }

.hero h1 {
    font-size: clamp(5rem, 16vw, 11rem) !important;
    line-height: 1.0 !important;
    letter-spacing: 0.06em !important;
    font-weight: 700;
}
.hero h1 .sub {
    display: block;
    font-size: clamp(1.35rem, 3.4vw, 2.5rem) !important;
    font-weight: 500;
    letter-spacing: 0.08em;
    margin-top: 0.4em;
    line-height: 1.15;
}
.hero .cta-button.mega { margin-top: 2rem; }

@media (max-width: 700px) {
    .navbar { height: 64px; min-height: 64px; padding: 0 1rem; }
    .logo-container { height: 64px; }
    .logo { height: 48px; max-height: 48px; }
    .hero h1 {
        font-size: clamp(3rem, 13vw, 4.5rem) !important;
        letter-spacing: 0.04em !important;
    }
    .hero h1 .sub { font-size: clamp(1rem, 4vw, 1.4rem) !important; }
    .nav-links { top: 64px !important; }
}

.statement { padding: 5rem 5%; }
.statement h2 {
    font-size: clamp(1.8rem, 4vw, 3.2rem);
    line-height: 1.2;
    letter-spacing: 0.02em;
    max-width: 920px;
    margin-left: auto;
    margin-right: auto;
}
.services, .advantages, .gallery, .calculator, .contact { padding: 5rem 5%; }
.services-grid { gap: 1.75rem; }
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    transform-style: flat;
    perspective: none;
}

/* Professional dark calculator */
.calc-container {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 0;
    max-width: 1100px;
    margin: 2rem auto 0;
    background: #141414;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid #2a2a2a;
    box-shadow: 0 0 0 1px rgba(85,107,47,0.22), 0 20px 50px rgba(0,0,0,0.35);
}
.calc-inputs {
    padding: 2rem 2.2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.15rem 1.4rem;
    background: #141414;
}
.calc-group { display: flex; flex-direction: column; gap: 0.35rem; }
.calc-group.full { grid-column: 1 / -1; }
.calc-group label {
    display: block;
    font-weight: 600;
    color: #e8e8e8;
    font-size: 0.95rem;
}
.input-row {
    display: flex;
    align-items: stretch;
    background: #1e1e1e;
    border: 1px solid #3a3a3a;
    border-radius: 8px;
    overflow: hidden;
}
.input-row:focus-within { border-color: #556B2F; }
.input-row input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.85rem 1rem;
    font-size: 1rem;
    color: #fff;
    outline: none;
    font-family: inherit;
    min-width: 0;
}
.input-row input::placeholder { color: #777; }
.input-row .unit {
    padding: 0 0.95rem;
    color: #bbb;
    font-size: 0.9rem;
    background: #252525;
    display: flex;
    align-items: center;
    border-left: 1px solid #3a3a3a;
}
.calc-group select {
    width: 100%;
    padding: 0.85rem 1rem;
    background: #1e1e1e;
    border: 1px solid #3a3a3a;
    color: #fff;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}
.calc-group select option { background: #1a1a1a; color: #fff; }
.calc-group small { color: #8a8a8a; font-size: 0.8rem; }
.calc-result {
    background: #0c0c0c;
    padding: 2.2rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-left: 2px solid #556B2F;
}
.calc-result h3 {
    color: #556B2F;
    margin: 0 0 0.4rem;
    font-size: 1.35rem;
}
.price {
    font-family: 'Oswald', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: #fff;
    margin: 0.2rem 0;
    line-height: 1.1;
}
.netto { color: #888; margin: 0 0 1.2rem; font-size: 0.95rem; }
.breakdown {
    text-align: left;
    font-size: 0.9rem;
    color: #bbb;
    margin-bottom: 1.4rem;
    max-height: 180px;
    overflow-y: auto;
}
.breakdown div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.4rem 0;
    border-bottom: 1px solid #222;
}
.calc-result .cta-button {
    width: 100%;
    text-align: center;
    font-size: 0.95rem;
    padding: 1rem 1.2rem;
}
.hint { font-size: 0.82rem; color: #666; margin-top: 1rem; line-height: 1.4; }

@media (max-width: 900px) {
    .calc-container { grid-template-columns: 1fr; }
    .calc-inputs { grid-template-columns: 1fr; }
    .calc-result { border-left: none; border-top: 2px solid #556B2F; }
}

/* Contact form */
.contact-content {
    display: grid;
    grid-template-columns: minmax(240px, 0.9fr) 1.2fr;
    gap: 2.5rem;
    max-width: 1100px;
    margin: 2.5rem auto 0;
    background: #161616;
    padding: 2.5rem;
    border-radius: 14px;
    border: 1px solid #2a2a2a;
}
.contact-info h3 { color: #556B2F; margin-bottom: 1rem; font-size: 1.5rem; }
.contact-info p { margin-bottom: 0.45rem; color: #ccc; }
.contact-info a { color: #7A9E2A; }
.highlight { margin-top: 1.4rem; color: #556B2F !important; font-weight: 600; }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-field { display: flex; flex-direction: column; gap: 0.35rem; }
.form-field label { font-weight: 600; font-size: 0.9rem; color: #ddd; }
.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    background: #1e1e1e;
    border: 1px solid #3a3a3a;
    color: #fff;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #556B2F;
}
.contact-form select option { background: #1a1a1a; }
.contact-form textarea { resize: vertical; min-height: 120px; }
.chk {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    font-size: 0.92rem;
    color: #ccc;
    line-height: 1.45;
}
.chk input {
    width: auto !important;
    margin-top: 0.25rem;
    accent-color: #556B2F;
}
.contact-form .cta-button { align-self: flex-start; margin-top: 0.25rem; }
.contact-form .cta-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
#form-msg { font-weight: 600; min-height: 1.3em; }
#form-msg.ok { color: #7A9E2A; }
#form-msg.err { color: #e07b6b; }

@media (max-width: 820px) {
    .contact-content {
        grid-template-columns: 1fr;
        padding: 1.75rem;
        gap: 2rem;
    }
}