/* ============================================
   VARIABLES & RESET
   ============================================ */
:root {
    --black: #0a0a0a;
    --dark: #111111;
    --dark-2: #1a1a1a;
    --dark-3: #222222;
    --gold: #C9922A;
    --gold-light: #e0a83a;
    --gold-dark: #a67820;
    --gray: #808080;
    --gray-light: #aaaaaa;
    --white: #ffffff;
    --white-dim: #e0e0e0;
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
    background-color: var(--black);
    color: var(--white-dim);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-size: 16px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn--gold {
    background: var(--gold);
    color: var(--black);
    border-color: var(--gold);
}

.btn--gold:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn--outline:hover {
    background: var(--white);
    color: var(--black);
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(201, 146, 42, 0.2);
    padding: 12px 0;
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar__logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar__logo-text {
    display: flex;
    flex-direction: column;
    font-family: var(--font-heading);
    line-height: 1.1;
}

.navbar__logo-text strong {
    color: var(--gold);
    font-size: 18px;
    letter-spacing: 2px;
}

.navbar__logo-text small {
    color: var(--gray-light);
    font-size: 11px;
    letter-spacing: 3px;
}

.navbar__menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.navbar__menu a {
    font-family: var(--font-heading);
    font-size: 15px;
    letter-spacing: 1px;
    color: var(--white-dim);
    transition: var(--transition);
}

.navbar__menu a:hover { color: var(--gold); }

.navbar__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.navbar__burger span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background-image: url('/static/images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    filter: brightness(0.3);
    z-index: 0;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,10,10,0.8) 0%, rgba(201,146,42,0.1) 100%);
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero__tag {
    display: inline-block;
    background: var(--gold);
    color: var(--black);
    font-family: var(--font-heading);
    font-size: 13px;
    letter-spacing: 3px;
    padding: 6px 16px;
    margin-bottom: 24px;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(36px, 6vw, 72px);
    font-weight: 700;
    line-height: 1.05;
    color: var(--white);
    margin-bottom: 16px;
}

.hero__title span { color: var(--gold); }

.hero__subtitle {
    font-size: 18px;
    color: var(--gray-light);
    margin-bottom: 40px;
    max-width: 560px;
    line-height: 1.7;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    gap: 48px;
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid rgba(201, 146, 42, 0.3);
}

.hero__stat-number {
    font-family: var(--font-heading);
    font-size: 42px;
    color: var(--gold);
    line-height: 1;
}

.hero__stat-label {
    font-size: 13px;
    color: var(--gray-light);
    letter-spacing: 1px;
}

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section { padding: 100px 0; }
.section--dark { background: var(--dark); }
.section--dark-2 { background: var(--dark-2); }

.section__tag {
    font-family: var(--font-heading);
    font-size: 13px;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 12px;
}

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 48px);
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 20px;
}

.section__title span { color: var(--gold); }

.section__subtitle {
    color: var(--gray-light);
    font-size: 17px;
    max-width: 600px;
    line-height: 1.7;
}

.section__divider {
    width: 60px;
    height: 3px;
    background: var(--gold);
    margin: 20px 0;
}

/* ============================================
   ABOUT
   ============================================ */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about__image {
    position: relative;
}

.about__image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    filter: grayscale(30%);
}

.about__image::before {
    content: '';
    position: absolute;
    top: -16px;
    left: -16px;
    right: 16px;
    bottom: 16px;
    border: 2px solid var(--gold);
    z-index: -1;
}

/* ============================================
   SERVICES
   ============================================ */
.services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.service-card {
    background: var(--dark-3);
    border: 1px solid rgba(201, 146, 42, 0.15);
    padding: 36px 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gold);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover::before { transform: scaleX(1); }

.service-card:hover {
    border-color: rgba(201, 146, 42, 0.4);
    transform: translateY(-4px);
}

.service-card__icon {
    font-size: 36px;
    color: var(--gold);
    margin-bottom: 20px;
}

.service-card__title {
    font-family: var(--font-heading);
    font-size: 20px;
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.service-card__text {
    font-size: 14px;
    color: var(--gray-light);
    line-height: 1.7;
}

/* ============================================
   MACHINERY
   ============================================ */
.machinery__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.machinery__list li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    color: var(--gray-light);
    display: flex;
    align-items: center;
    gap: 12px;
}

.machinery__list li::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--gold);
    flex-shrink: 0;
}

.machinery__industries {
    margin-top: 32px;
}

.machinery__industries h4 {
    font-family: var(--font-heading);
    color: var(--gold);
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.industry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.industry-tag {
    background: rgba(201, 146, 42, 0.1);
    border: 1px solid rgba(201, 146, 42, 0.3);
    color: var(--gold-light);
    padding: 6px 14px;
    font-size: 13px;
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

.machinery__image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    filter: grayscale(20%);
}

/* ============================================
   WHY US
   ============================================ */
.whyus__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.whyus__list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.whyus__list li i {
    color: var(--gold);
    font-size: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.whyus__list li span {
    color: var(--gray-light);
    font-size: 15px;
}

/* ============================================
   HOW WE WORK
   ============================================ */
.steps__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    margin-top: 60px;
    position: relative;
}

.steps__grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 1px;
    background: rgba(201, 146, 42, 0.3);
    z-index: 0;
}

.step-card {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-card__number {
    width: 80px;
    height: 80px;
    border: 2px solid var(--gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 32px;
    color: var(--gold);
    margin: 0 auto 20px;
    background: var(--dark);
}

.step-card__title {
    font-family: var(--font-heading);
    font-size: 14px;
    color: var(--white);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.step-card__text {
    font-size: 13px;
    color: var(--gray);
}

/* ============================================
   PORTFOLIO CARDS
   ============================================ */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.project-card {
    background: var(--dark-3);
    border: 1px solid rgba(201, 146, 42, 0.1);
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
}

.project-card__image {
    height: 220px;
    overflow: hidden;
}

.project-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    filter: grayscale(20%);
}

.project-card:hover .project-card__image img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.project-card__body {
    padding: 24px;
}

.project-card__category {
    font-size: 12px;
    color: var(--gold);
    font-family: var(--font-heading);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.project-card__title {
    font-family: var(--font-heading);
    font-size: 20px;
    color: var(--white);
    margin-bottom: 12px;
}

.project-card__text {
    font-size: 14px;
    color: var(--gray-light);
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-card__link {
    font-family: var(--font-heading);
    font-size: 14px;
    color: var(--gold);
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.project-card__link:hover { gap: 14px; }

/* ============================================
   FILTER TABS
   ============================================ */
.filter-tabs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-tab {
    padding: 8px 20px;
    font-family: var(--font-heading);
    font-size: 14px;
    letter-spacing: 1px;
    background: transparent;
    border: 1px solid rgba(201, 146, 42, 0.3);
    color: var(--gray-light);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--black);
}

/* ============================================
   QUOTE FORM
   ============================================ */
.quote-form {
    max-width: 700px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 14px;
    letter-spacing: 1px;
    color: var(--gold);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    background: var(--dark-3);
    border: 1px solid rgba(201, 146, 42, 0.2);
    color: var(--white);
    padding: 14px 18px;
    font-family: var(--font-body);
    font-size: 15px;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--gold);
    background: var(--dark-2);
}

.form-control::placeholder { color: var(--gray); }

textarea.form-control {
    resize: vertical;
    min-height: 140px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.file-upload {
    border: 2px dashed rgba(201, 146, 42, 0.3);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.file-upload:hover { border-color: var(--gold); }

.file-upload i {
    font-size: 32px;
    color: var(--gold);
    margin-bottom: 12px;
}

.file-upload p {
    color: var(--gray-light);
    font-size: 14px;
}

.file-upload small {
    color: var(--gray);
    font-size: 12px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    border-top: 1px solid rgba(201, 146, 42, 0.2);
    padding-top: 80px;
}

.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
}

.footer__brand p {
    color: var(--gray);
    font-size: 14px;
    margin-top: 16px;
    line-height: 1.7;
}

.footer__links h4,
.footer__contact h4 {
    font-family: var(--font-heading);
    color: var(--gold);
    letter-spacing: 2px;
    margin-bottom: 20px;
    font-size: 16px;
}

.footer__links ul li {
    margin-bottom: 10px;
}

.footer__links ul li a {
    color: var(--gray);
    font-size: 14px;
    transition: var(--transition);
}

.footer__links ul li a:hover { color: var(--gold); }

.footer__contact p {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer__contact i { color: var(--gold); }

.footer__linkedin {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold);
    font-family: var(--font-heading);
    letter-spacing: 1px;
    margin-top: 16px;
    transition: var(--transition);
}

.footer__linkedin:hover { color: var(--gold-light); }

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 24px 0;
    text-align: center;
}

.footer__bottom p {
    color: var(--gray);
    font-size: 13px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .steps__grid { grid-template-columns: repeat(3, 1fr); }
    .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .navbar__menu {
        display: none;
        position: fixed;
        top: 74px;
        left: 0;
        right: 0;
        background: var(--dark);
        flex-direction: column;
        padding: 32px 24px;
        gap: 24px;
        border-bottom: 1px solid rgba(201,146,42,0.2);
    }

    .navbar__menu.open { display: flex; }
    .navbar__burger { display: flex; }

    .hero__stats { flex-direction: column; gap: 24px; }
    .about__grid { grid-template-columns: 1fr; }
    .machinery__grid { grid-template-columns: 1fr; }
    .whyus__grid { grid-template-columns: 1fr; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .steps__grid { grid-template-columns: repeat(2, 1fr); }
    .footer__inner { grid-template-columns: 1fr; }
}