/* LVI-HUOLTO-DEMON TYYLIT
   Tämä tiedosto vaikuttaa vain demos/putkimies.html-sivuun.
   Pääidea: tekninen hero-kuva, valkoinen/pronssi-värimaailma ja scrollissa sivusta sisään tulevat kuvat.
*/

/* Perusnollaus: poistaa selaimen oletusmarginaalit ja pitää mitat hallinnassa. */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Värit ja yleiset muuttujat.
   --bronze vaihtaa koko LVI-demon pronssikorostuksen.
*/
:root {
    --white: #ffffff;
    --paper: #f7f5f0;
    --ink: #171717;
    --muted: #68645e;
    --navy: #191946;
    --bronze: #b46f2b;
    --bronze-dark: #7c461b;
    --line: rgba(25, 25, 70, 0.18);
}

html {
    scroll-behavior: smooth;
}

body {
    color: var(--ink);
    background: var(--white);
    font-family: "Segoe UI", Arial, sans-serif;
    line-height: 1.6;
}

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

/* HERO: logo, nav ja CTA:t ovat kuvan päällä. */
.hero {
    position: relative;
    min-height: 760px;
    display: grid;
    align-items: center;
    overflow: hidden;
    color: var(--white);
    background:
        linear-gradient(90deg, rgba(0,0,0,0.64), rgba(0,0,0,0.26)),
        url("https://images.unsplash.com/photo-1585704032915-c3400ca199e7?w=1800&h=1100&fit=crop") center/cover;
}

/* Tummentaa kuvaa ja antaa tekstille kontrastia. */
.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 28% 20%, rgba(180, 111, 43, 0.28), transparent 28%),
        rgba(0, 0, 0, 0.2);
}

/* Navigaatio heron päällä. */
.topbar {
    position: absolute;
    top: 34px;
    left: 50%;
    z-index: 4;
    width: min(1180px, calc(100% - 42px));
    display: flex;
    align-items: center;
    justify-content: space-between;
    transform: translateX(-50%);
}

/* Tekstilogo + merkki. */
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 900;
    text-transform: uppercase;
}

.brand-mark {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    color: var(--ink);
    background: var(--white);
    clip-path: polygon(50% 0, 100% 42%, 86% 42%, 86% 100%, 14% 100%, 14% 42%, 0 42%);
}

.brand-text {
    font-size: 0.82rem;
    line-height: 1.05;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 0.86rem;
    font-weight: 800;
    text-transform: uppercase;
}

.outline-link {
    padding: 9px 16px;
    border: 1px solid rgba(255,255,255,0.72);
}

/* Mobiilivalikon checkbox-toggle. */
.nav-toggle {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.menu-button {
    display: none;
    color: var(--white);
    font-size: 1.6rem;
    cursor: pointer;
}

/* Heron oikean yläkulman tarjouspyyntö ja puhelin. */
.hero-actions-top {
    position: absolute;
    top: 0;
    right: clamp(20px, 7vw, 160px);
    z-index: 5;
    display: flex;
    font-size: 0.86rem;
    font-weight: 900;
}

.request-link,
.phone-link {
    padding: 13px 22px;
}

.request-link {
    background: var(--navy);
}

.phone-link {
    background: var(--bronze);
}

/* Heron keskiteksti. */
.hero-content {
    position: relative;
    z-index: 3;
    width: min(720px, calc(100% - 42px));
    margin: 0 auto;
    text-align: center;
}

.eyebrow,
.section-label {
    color: var(--bronze);
    font-size: 0.84rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    line-height: 1.02;
    letter-spacing: 0;
}

h1 {
    margin: 12px 0 10px;
    color: var(--white);
    font-size: clamp(3.4rem, 7vw, 6.9rem);
    font-weight: 900;
    text-transform: uppercase;
}

.hero-content p:not(.eyebrow) {
    max-width: 620px;
    margin: 0 auto 30px;
    color: rgba(255,255,255,0.82);
}

.hero-button {
    display: inline-flex;
    align-items: center;
    gap: 24px;
    min-width: 270px;
    justify-content: center;
    padding: 15px 24px;
    border: 1px solid rgba(255,255,255,0.75);
    font-weight: 900;
}

.hero-button:hover {
    background: rgba(255,255,255,0.12);
}

/* Heron jälkeen kelluva intro-kortti. */
.intro-card {
    width: min(820px, calc(100% - 42px));
    margin: -48px auto 0;
    position: relative;
    z-index: 6;
    padding: 36px 42px;
    background: var(--white);
    border: 2px solid var(--navy);
    box-shadow: 0 22px 70px rgba(0,0,0,0.12);
}

.intro-card h2 {
    max-width: 720px;
    font-size: clamp(1.3rem, 2.2vw, 1.65rem);
}

.intro-card p {
    margin-top: 12px;
    color: var(--muted);
}

/* Yleiset osioleveyden ja otsikoiden asetukset. */
.services,
.pricing,
.image-feature,
.split-panel,
.contact-cta {
    width: min(1180px, calc(100% - 42px));
    margin: 0 auto;
}

.services,
.pricing {
    padding: 96px 0;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 34px;
}

.section-heading h2,
.feature-copy h2,
.panel-copy h2,
.contact-cta h2 {
    margin-top: 10px;
    font-size: clamp(2.25rem, 5vw, 4.8rem);
}

/* Palvelukortit. */
.service-grid,
.price-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.service-card,
.price-card {
    min-height: 260px;
    padding: 30px;
    background: var(--paper);
    border: 1px solid var(--line);
}

.service-card span {
    color: var(--bronze);
    font-weight: 900;
}

.service-card h3 {
    margin: 46px 0 12px;
    font-size: 1.65rem;
}

.service-card p,
.feature-copy p,
.feature-copy li,
.price-card span,
.panel-copy p,
.contact-cta p {
    color: var(--muted);
}

/* Kuva + teksti -osio, jossa kuva tulee scrollissa oikealta. */
.image-feature,
.split-panel {
    display: grid;
    grid-template-columns: 0.88fr 1.12fr;
    gap: 34px;
    align-items: center;
    padding: 46px 0 96px;
}

.feature-copy ul {
    margin-top: 22px;
    display: grid;
    gap: 12px;
    list-style: none;
}

.feature-copy li {
    position: relative;
    padding-left: 24px;
}

.feature-copy li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 9px;
    height: 9px;
    background: var(--bronze);
}

.feature-image,
.panel-image {
    min-height: 440px;
    background-size: cover;
    background-position: center;
    border: 1px solid var(--line);
    box-shadow: 0 24px 60px rgba(0,0,0,0.12);
}

.feature-image {
    background-image:
        linear-gradient(rgba(180,111,43,0.1), rgba(0,0,0,0.06)),
        url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1200&h=900&fit=crop");
}

.panel-image {
    background-image:
        linear-gradient(rgba(25,25,70,0.08), rgba(180,111,43,0.08)),
        url("https://images.unsplash.com/photo-1621905251918-48416bd8575a?w=1200&h=900&fit=crop");
}

/* Hinnasto. */
.price-card {
    background: var(--white);
}

.price-card p {
    font-weight: 900;
    text-transform: uppercase;
}

.price-card strong {
    display: block;
    margin: 18px 0;
    color: var(--bronze);
    font-size: clamp(3rem, 6vw, 5.6rem);
    line-height: 0.9;
}

.main-price {
    color: var(--white);
    background: var(--navy);
}

.main-price span {
    color: rgba(255,255,255,0.74);
}

/* Luottamus-paneeli. */
.split-panel {
    grid-template-columns: 1.1fr 0.9fr;
    border-top: 1px solid var(--line);
}

.text-link {
    display: inline-block;
    margin-top: 22px;
    color: var(--bronze-dark);
    font-weight: 900;
}

/* Lopun yhteydenotto-CTA. */
.contact-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 34px;
    padding: 86px 0;
    border-top: 1px solid var(--line);
}

.contact-cta div {
    max-width: 760px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    padding: 0 26px;
    color: var(--white);
    background: var(--bronze);
    font-weight: 900;
}

/* Mobiilin sticky-soittonappi. */
.sticky-call {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 30;
    display: none;
    padding: 14px 20px;
    color: var(--white);
    background: var(--bronze);
    font-weight: 900;
    box-shadow: 0 14px 36px rgba(0,0,0,0.24);
}

/* Scroll-animaatiot: lvi.js lisää .visible-luokan kun elementti tulee näkyviin. */
.slide-reveal {
    opacity: 0;
    transform: translateX(-54px);
    transition: opacity 0.75s ease, transform 0.75s ease;
}

.slide-reveal.from-right {
    transform: translateX(54px);
}

.slide-reveal.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Tabletti: hero-nav ja palstat pinoutuvat. */
@media (max-width: 920px) {
    .topbar {
        top: 24px;
    }

    .menu-button {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 66px;
        left: 0;
        right: 0;
        padding: 22px;
        background: rgba(0,0,0,0.88);
        text-align: center;
    }

    .nav-toggle:checked ~ .nav-links {
        display: grid;
        gap: 18px;
    }

    .hero-actions-top {
        display: none;
    }

    .service-grid,
    .price-grid,
    .image-feature,
    .split-panel {
        grid-template-columns: 1fr;
    }

    .feature-image,
    .panel-image {
        min-height: 350px;
    }

    .contact-cta {
        align-items: flex-start;
        flex-direction: column;
    }

    .sticky-call {
        display: inline-flex;
    }
}

/* Mobiili: vähemmän korkeutta ja kortit mukavammiksi. */
@media (max-width: 560px) {
    .hero {
        min-height: 680px;
    }

    .brand-text {
        display: none;
    }

    h1 {
        font-size: 3rem;
    }

    .intro-card,
    .service-card,
    .price-card {
        padding: 24px;
    }

    .hero-button,
    .cta-button {
        width: 100%;
    }
}