/*
 * Tyylitiedosto Konemylläri Oy:n onepager-sivustolle.
 * Tumman teollinen värimaailma ja modernit korttipohjaiset layoutit.
 */

:root {
    /* Värit ja teemat */
    --color-bg: #1d1f20;
    --color-bg-alt: #2a2e31;
    --color-primary: #c97c41; /* kuparin sävy korosteväriksi */
    --color-secondary: #6a7a89; /* siniharmaa tehoste */
    --color-tertiary: #394049; /* tummanharmaa korttitausta */
    --color-text: #f5f5f5;
    --color-muted: #a5adb5;
    --color-error: #d9534f;
    --color-success: #5cb85c;

    /* Mitat ja muut asetukset */
    --max-width: 1200px;
    --nav-height: 70px;
    --transition-speed: 0.3s;
    --border-radius: 4px;
}

/* Yleiset nollaukset ja pohja-asetukset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Oswald', sans-serif;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    color: var(--color-muted);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--color-secondary);
}

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

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* Header ja navigaatio */
.header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 999;
    background: rgba(29,31,32,0.95);
    box-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.5px;
}

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

.nav-links li a {
    color: var(--color-text);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    padding: 0.25rem 0;
}

.nav-links li a:hover {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
}

/* Hamburger menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition-speed) ease;
}

/* Hero-osio */
.hero-section {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--nav-height));
    background: linear-gradient(135deg, #2a2e31 0%, #1d1f20 100%);
    position: relative;
    text-align: center;
    padding: 2rem 1rem;
}

.hero-content {
    max-width: 800px;
}

.hero-section h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.hero-section p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--color-muted);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    transition: background-color var(--transition-speed), color var(--transition-speed), transform var(--transition-speed);
}

.btn.primary {
    background-color: var(--color-primary);
    color: var(--color-bg);
}

.btn.primary:hover {
    /* Sävytä hieman tummemmaksi hover-tilassa */
    background-color: #a85b31;
    color: var(--color-bg);
    transform: translateY(-2px);
}

.btn.secondary {
    background-color: transparent;
    border: 2px solid var(--color-secondary);
    color: var(--color-secondary);
}

.btn.secondary:hover {
    background-color: var(--color-secondary);
    color: var(--color-bg);
    transform: translateY(-2px);
}

.btn.tertiary {
    background-color: transparent;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 0.5rem;
}

.btn.tertiary:hover {
    color: var(--color-secondary);
    border-bottom-color: var(--color-secondary);
}

.btn.small {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

/* Yleinen layout osioille */
.about-section,
.services-section,
.expertise-section,
.rental-section,
.trust-section,
.gallery-section,
.contact-section {
    padding: 4rem 0;
    background-color: var(--color-bg);
}

.about-section {
    background-color: var(--color-bg-alt);
}

.services-grid,
.expertise-grid,
.rental-grid,
.trust-grid,
.gallery-grid {
    display: grid;
    gap: 2rem;
}

.services-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

.service-card {
    background-color: var(--color-tertiary);
    padding: 2rem;
    border-left: 4px solid var(--color-primary);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.5);
}

.expertise-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.expertise-card {
    background-color: var(--color-tertiary);
    padding: 2rem;
    border-left: 4px solid var(--color-secondary);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transition: transform var(--transition-speed);
}

.expertise-card:hover {
    transform: translateY(-4px);
}

.rental-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.rental-card {
    background-color: var(--color-tertiary);
    padding: 2rem;
    border-left: 4px solid var(--color-primary);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.rental-card ul {
    list-style: none;
    margin-bottom: 1rem;
}

.rental-card li {
    margin-bottom: 0.5rem;
    color: var(--color-muted);
}

/* Trust / miksi valita */
.trust-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin-bottom: 2rem;
}

.trust-card {
    background-color: var(--color-tertiary);
    padding: 2rem;
    border-left: 4px solid var(--color-secondary);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transition: transform var(--transition-speed);
}

.trust-card:hover {
    transform: translateY(-4px);
}

.turnover {
    text-align: center;
}

.turnover-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.turnover-card {
    background-color: var(--color-tertiary);
    padding: 1rem 1.5rem;
    border-left: 4px solid var(--color-primary);
    border-radius: var(--border-radius);
    min-width: 120px;
    text-align: left;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transition: transform var(--transition-speed);
}

.turnover-card:hover {
    transform: translateY(-4px);
}

.turnover-card .year {
    font-weight: 700;
    color: var(--color-primary);
    display: block;
    font-size: 1rem;
}

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

/* Galleria */
.gallery-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.gallery-item {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 8px rgba(0,0,0,0.4);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed);
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 12px rgba(0,0,0,0.6);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Lightbox */
#lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

#lightbox-overlay img {
    max-width: 90%;
    max-height: 80%;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

#lightbox-overlay .close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 2rem;
    color: var(--color-text);
    cursor: pointer;
}

/* Contact */
.contact-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.contact-details p {
    margin-bottom: 0.5rem;
}

.contact-details a {
    color: var(--color-primary);
}

form {
    background-color: var(--color-tertiary);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 8px rgba(0,0,0,0.4);
}

.form-group {
    margin-bottom: 1rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.3rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid var(--color-secondary);
    border-radius: var(--border-radius);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.9rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.error {
    display: block;
    color: var(--color-error);
    font-size: 0.8rem;
    margin-top: 0.3rem;
    height: 0;
    opacity: 0;
    transition: opacity var(--transition-speed), height var(--transition-speed);
}

.error.show {
    height: auto;
    opacity: 1;
}

.form-success {
    margin-top: 1rem;
    color: var(--color-success);
    font-weight: 600;
    display: none;
}

/* Footer */
.footer {
    background-color: var(--color-bg-alt);
    padding: 2rem 0;
    position: relative;
}

.footer .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
}

.footer-info p {
    margin-bottom: 0.4rem;
    color: var(--color-muted);
}

.footer-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-nav a {
    color: var(--color-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.copyright {
    color: var(--color-muted);
    margin-top: 1rem;
    font-size: 0.8rem;
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--color-primary);
    color: var(--color-bg);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    text-decoration: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed), visibility var(--transition-speed);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

/* Reveal animaatio */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsiivisuus */
@media (max-width: 1024px) {
    .hero-section h1 {
        font-size: 2.4rem;
    }
    h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    /* Näytetään hamburger-valikko mobiilissa */
    .menu-toggle {
        display: flex;
    }
    .nav-links {
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background-color: var(--color-bg-alt);
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
        padding: 1.5rem 0;
        transform: translateY(-100%);
        transition: transform var(--transition-speed);
    }
    .nav-links.open {
        transform: translateY(0);
    }
    .nav-links li a {
        font-size: 1rem;
    }
    .contact-section .container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    .hero-section p {
        font-size: 1rem;
    }
    .services-grid,
    .expertise-grid,
    .rental-grid,
    .trust-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}