:root {
    --ink: #2b303b;
    --ink-soft: #3b4250;
    --panel: #2f3441;
    --panel-2: #3a404d;
    --sage: #8ac4a3;
    --sage-deep: #5b9f7d;
    --sage-soft: rgba(138, 196, 163, 0.18);
    --white: #f6f7f4;
    --muted: #d7ddd7;
    --shadow: rgba(12, 15, 19, 0.25);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--ink);
    color: var(--white);
    line-height: 1.5;
    padding-top: 92px;
}

img {
    width: 100%;
    display: block;
}

a {
    text-decoration: none;
}

h1, h2, h3, .nav-links a, .services-list li, .estimate-box p, .estimate-box span {
    font-family: 'Barlow Condensed', sans-serif;
    letter-spacing: 0.02em;
}

.container {
    width: min(92%, 1200px);
    margin: 0 auto;
}

.site-header {
    background: rgba(41, 46, 48, 0.92);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 20;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: transform 0.28s ease, opacity 0.28s ease;
}

.site-header.is-hidden {
    transform: translateY(-100%);
    opacity: 0;
}

.navbar {
    width: min(92%, 1280px);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
}

.logo {
    max-width: 100px;
}

.logo img {
    width: 100%;
    height: auto;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--white);
    font-size: 1.05rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links .active {
    color: var(--sage);
}

.hero {
    background: var(--ink);
    padding: 0 0 1rem;
}

.hero-panel {
    position: relative;
    width: min(96%, 1280px);
    margin: 0 auto;
    min-height: 860px;
    display: flex;
    align-items: center;
    padding: clamp(1.5rem, 3vw, 3rem) clamp(1rem, 2.5vw, 2.5rem) 0;
    overflow: hidden;
}

.hero-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(43, 48, 59, 0.95), rgba(43, 48, 59, 0.7));
    z-index: 0;
}

.hero-copy {
    position: relative;
    z-index: 2;
    width: 68%;
    padding: clamp(1rem, 1vw, 2rem) 0 0;
}

.brand-mark {
    margin-bottom: 1.25rem;
}

.brand-mark h1 {
    font-size: clamp(3.6rem, 5vw, 6rem);
    line-height: 0.9;
    font-weight: 900;
    text-transform: none;
    color: var(--white);
    margin-bottom: 0.35rem;
}

.brand-mark h2 {
    font-size: clamp(3.2rem, 5vw, 6rem);
    line-height: 0.82;
    font-weight: 900;
    text-transform: uppercase;
    color: var(--white);
}

.services-list {
    list-style: none;
    margin: 2rem 0 2.2rem;
    display: grid;
    gap: 0.35rem;
}

.services-list li {
    font-size: clamp(1.5rem, 2vw, 3rem);
    line-height: 0.97;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
}

.estimate-box {
    background: var(--sage);
    color: #1b2a27;
    padding: 1.25rem 1.5rem 1.15rem;
    display: inline-block;
    min-width: min(100%, 540px);
    box-shadow: 0 12px 24px rgba(10, 15, 18, 0.2);
}

.estimate-box p {
    font-size: clamp(2rem, 2.6vw, 3.5rem);
    line-height: 0.95;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 0.35rem;
}

.estimate-box span {
    display: block;
    font-size: clamp(2.1rem, 2.6vw, 3.1rem);
    line-height: 1.05;
    font-weight: 800;
}

.hero-art {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: min(42%, 500px);
    max-width: 100%;
    height: auto;
    z-index: 1;
    opacity: 1;
    object-fit: contain;
    filter: none;
}

.about,
.services,
.gallery,
.contact-container,
.page-banner,
.cta {
    background: var(--ink);
}

.about {
    padding: 4.5rem 0 3rem;
}

.about > .container {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 2.5rem;
}

.about h2,
.services h2,
.contact-info h2,
.contact-form h2 {
    font-size: clamp(2.6rem, 4vw, 4rem);
    line-height: 1;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.about p {
    max-width: 980px;
    font-size: clamp(1.05rem, 1.7vw, 1.7rem);
    color: var(--muted);
}

.services {
    padding: 2rem 0 4rem;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.1);
    padding: 2rem 1.5rem;
    border-radius: 0;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(138, 196, 163, 0.6);
}

.card h3 {
    color: var(--sage);
    font-size: 2rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 0.9rem;
}

.card p {
    color: var(--muted);
    font-size: 1rem;
}

.cta {
    background: var(--sage);
    color: #1f2c2c;
    text-align: center;
    padding: 3rem 1rem 4rem;
}

.cta h2 {
    font-size: clamp(2.5rem, 4vw, 4rem);
    line-height: 1;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    margin-top: 1rem;
    background: var(--ink);
    color: var(--white);
    padding: 0.95rem 2.4rem;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
    background: #1d232d;
    transform: translateY(-2px);
}

.page-banner {
    padding: 4rem 1rem 2.5rem;
    text-align: center;
}

.page-banner h1 {
    font-size: clamp(3rem, 6vw, 5rem);
    line-height: 1;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
}

.page-banner p {
    font-size: 1.1rem;
    color: var(--muted);
}

.gallery {
    padding: 2rem 0 4rem;
}

.gallery-container {
    width: min(92%, 1200px);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 2rem;
}

.gallery-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.gallery-item h3 {
    padding: 1.2rem 1.2rem 0.4rem;
    color: var(--sage);
    font-size: 2rem;
    text-transform: uppercase;
}

.gallery-item p {
    padding: 0 1.2rem 1.4rem;
    color: var(--muted);
}

.comparison-grid {
    position: relative;
    height: 250px;
    cursor: pointer;
    overflow: hidden;
    background: #dfe4de;
}

.comparison-panel {
    position: absolute;
    inset: 0;
    opacity: 1;
    transition: opacity 0.35s ease;
}

.comparison-panel img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.before-panel { opacity: 1; }
.after-panel { opacity: 0; }

.comparison-grid.show-after .before-panel { opacity: 0; }
.comparison-grid.show-after .after-panel { opacity: 1; }

.comparison-label {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    background: rgba(25, 33, 40, 0.82);
    color: var(--white);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.35rem 0.7rem;
}

.comparison-label.after {
    background: rgba(90, 156, 116, 0.88);
}

.contact-container {
    width: min(92%, 1200px);
    margin: 4rem auto 5rem;
    display: grid;
    grid-template-columns: minmax(0, 760px);
    justify-content: center;
    gap: 2rem;
}

.contact-info {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 2rem;
}

.contact-info p {
    color: var(--muted);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.contact-info a {
    color: var(--white);
    text-decoration: underline;
}

footer {
    background: #171b23;
    color: var(--muted);
    text-align: center;
    padding: 2rem 1rem;
}

footer p {
    margin: 0.35rem 0;
}

@media (max-width: 768px) {
    body {
        padding-top: 116px;
    }

    .navbar {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 0.7rem;
    }

    .hero-panel {
        min-height: 700px;
    }

    .hero-copy {
        width: 100%;
    }

    .hero-art {
        width: 70%;
        right: -12%;
        opacity: 0.5;
    }

    .services-list li {
        font-size: 1.35rem;
    }

    .estimate-box {
        min-width: 100%;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 540px) {
    .brand-mark h1,
    .brand-mark h2 {
        font-size: 3rem;
    }

    .estimate-box p,
    .estimate-box span {
        font-size: 1.8rem;
    }
}