/* =========================================
   VARIABLES & RESET
   ========================================= */
:root {
    /* Color Palette */
    --color-dark: #121212;
    --color-dark-surface: #1e1e1e;
    --color-dark-elevated: #2a2a2a;
    --color-primary: #ff7b00; /* Enerjik Kehribar/Turuncu */
    --color-primary-hover: #e66d00;
    --color-text-main: #f4f4f4;
    --color-text-muted: #a0a0a0;
    --color-border: #333333;
    
    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    
    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 4px;
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-dark);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.text--primary {
    color: var(--color-primary);
}

.button {
    display: inline-block;
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    text-align: center;
    border: 2px solid transparent;
}

.button--primary {
    background-color: var(--color-primary);
    color: #fff;
}

.button--primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
}

.button--secondary {
    background-color: transparent;
    border-color: var(--color-text-main);
    color: var(--color-text-main);
}

.button--secondary:hover {
    background-color: var(--color-text-main);
    color: var(--color-dark);
}

.button--full {
    width: 100%;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-header__title {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.section-header__desc {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

/* =========================================
   HEADER (BEM: .header)
   ========================================= */
.header {
    background-color: var(--color-dark-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.header__logo-link {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.header__contact-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
}

.header__emergency-text {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.header__phone {
    color: var(--color-primary);
    font-size: 1.1rem;
}

.nav__list {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.nav__link {
    font-weight: 600;
    font-size: 0.95rem;
}

.nav__link:hover {
    color: var(--color-primary);
}

.nav__link--cta {
    background-color: var(--color-dark-elevated);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

/* =========================================
   HERO (BEM: .hero)
   ========================================= */
.hero {
    background-color: var(--color-dark);
    /* In a real project, add a dark, desaturated industrial background image here */
    background-image: linear-gradient(rgba(18, 18, 18, 0.9), rgba(18, 18, 18, 0.9)), url('placeholder-industrial.jpg');
    background-size: cover;
    background-position: center;
    padding: 6rem 1rem;
    border-bottom: 1px solid var(--color-border);
}

.hero__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    justify-content: flex-start;
}

.hero__content {
    max-width: 700px;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.hero__subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.hero__actions {
    display: flex;
    gap: var(--space-md);
}

/* =========================================
   SERVICES (BEM: .services)
   ========================================= */
.services {
    padding: var(--space-xl) 1rem;
    background-color: var(--color-dark-surface);
}

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

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.service-card {
    background-color: var(--color-dark-elevated);
    padding: var(--space-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-speed) ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
}

.service-card__icon-wrapper {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 123, 0, 0.1);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.service-card__icon {
    font-size: 2rem;
}

.service-card__title {
    font-size: 1.4rem;
    margin-bottom: var(--space-sm);
}

.service-card__text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* =========================================
   FEATURES (WHY US) (BEM: .features)
   ========================================= */
.features {
    padding: var(--space-xl) 1rem;
    background-color: var(--color-dark);
}

.features__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.features__image {
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.features__title {
    font-size: 2.2rem;
    margin-bottom: var(--space-lg);
}

.features__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.features__item {
    background-color: var(--color-dark-surface);
    padding: var(--space-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.features__item-icon {
    font-size: 1.5rem;
}

/* =========================================
   CONTACT (BEM: .contact)
   ========================================= */
.contact {
    padding: var(--space-xl) 1rem;
    background-color: var(--color-dark-surface);
}

.contact__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.contact__title {
    font-size: 2.2rem;
    margin-bottom: var(--space-sm);
}

.contact__text {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.contact__address-box {
    font-style: normal;
    background-color: var(--color-dark-elevated);
    padding: var(--space-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.contact__detail {
    margin-bottom: var(--space-sm);
}

.contact__detail strong {
    color: var(--color-primary);
}

.form__group {
    margin-bottom: var(--space-md);
}

.form__label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    font-size: 0.9rem;
}

.form__input,
.form__textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--color-dark);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    border-radius: var(--border-radius);
    font-family: inherit;
    transition: border-color var(--transition-speed) ease;
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* =========================================
   FOOTER (BEM: .footer)
   ========================================= */
.footer {
    background-color: var(--color-dark);
    padding: var(--space-xl) 1rem var(--space-md);
    border-top: 1px solid var(--color-border);
}

.footer__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer__logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.footer__desc {
    color: var(--color-text-muted);
    max-width: 300px;
}

.footer__title {
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__link {
    color: var(--color-text-muted);
}

.footer__link:hover {
    color: var(--color-text-main);
}

.footer__bottom {
    max-width: var(--container-max-width);
    margin: 0 auto;
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* =========================================
   MEDIA QUERIES (Responsive)
   ========================================= */
@media (max-width: 992px) {
    .features__container,
    .contact__container {
        grid-template-columns: 1fr;
    }
    
    .hero__title {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .header__container {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .nav__list {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-md);
    }
    
    .hero__actions {
        flex-direction: column;
    }
    
    .hero__title {
        font-size: 2.2rem;
    }
}