/* ============================================
   ARGON DRILLING - Main Stylesheet
   ============================================ */

:root {
    --primary: #1a3a5c;
    --primary-dark: #0f2540;
    --accent: #e8a020;
    --accent-dark: #c07010;
    --text: #222222;
    --text-light: #555555;
    --bg-light: #f5f7fa;
    --bg-dark: #0d1f35;
    --white: #ffffff;
    --border: #dde3ed;
    --shadow: 0 4px 20px rgba(0,0,0,0.12);
    --radius: 6px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
    font-size: 16px;
}

h1, h2, h3, h4, h5 {
    font-family: 'Oswald', sans-serif;
    line-height: 1.2;
    color: var(--primary-dark);
}

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

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

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

ul { list-style: none; }

address { font-style: normal; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   HEADER & NAV
   ============================================ */

.header-top {
    background: var(--primary-dark);
    padding: 8px 0;
    font-size: 14px;
}

.header-top .container {
    display: flex;
    justify-content: flex-end;
}

.header-contact {
    color: rgba(255,255,255,0.85);
    display: flex;
    gap: 24px;
}

.header-contact span { display: flex; align-items: center; gap: 6px; }

.main-nav {
    background: var(--primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 70px;
}

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

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-name {
    font-family: 'Oswald', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 3px;
}

.logo-sub {
    font-family: 'Oswald', sans-serif;
    font-size: 13px;
    font-weight: 400;
    color: rgba(255,255,255,0.7);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 4px;
    align-items: center;
}

.nav-links li a {
    color: rgba(255,255,255,0.85);
    font-family: 'Oswald', sans-serif;
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 1px;
    padding: 8px 16px;
    border-radius: var(--radius);
    transition: all var(--transition);
    text-transform: uppercase;
}

.nav-links li a:hover,
.nav-links li a.active {
    color: var(--accent);
    background: rgba(255,255,255,0.08);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    color: var(--white);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-color: var(--primary-dark);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,25,47,0.88) 0%, rgba(15,37,64,0.78) 60%, rgba(26,58,92,0.65) 100%);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-badge {
    display: inline-block;
    background: rgba(232,160,32,0.2);
    border: 1px solid var(--accent);
    color: var(--accent);
    font-size: 13px;
    font-family: 'Oswald', sans-serif;
    letter-spacing: 2px;
    padding: 6px 16px;
    border-radius: 3px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: clamp(36px, 6vw, 62px);
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero h1 span { color: var(--accent); }

.hero p {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    max-width: 560px;
    margin-bottom: 36px;
}

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

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-family: 'Oswald', sans-serif;
    font-size: 15px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--accent);
    color: var(--primary-dark);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(232,160,32,0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-dark {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.btn-dark:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* ============================================
   STATS BAR
   ============================================ */

.stats-bar {
    background: var(--accent);
    padding: 20px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.stat-item {
    color: var(--primary-dark);
}

.stat-number {
    font-family: 'Oswald', sans-serif;
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.85;
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
    padding: 80px 0;
}

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

.section-dark {
    background: var(--bg-dark);
    color: var(--white);
}

.section-dark h2 { color: var(--white); }
.section-dark p { color: rgba(255,255,255,0.75); }

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    font-family: 'Oswald', sans-serif;
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
}

.section-header h2 {
    font-size: clamp(28px, 4vw, 42px);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 17px;
    color: var(--text-light);
    max-width: 580px;
    margin: 0 auto;
}

.divider {
    width: 60px;
    height: 4px;
    background: var(--accent);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* ============================================
   WHAT WE DO / INTRO
   ============================================ */

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.intro-image {
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.intro-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.intro-image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    font-size: 48px;
    gap: 16px;
    border-radius: 8px;
}

.intro-image-placeholder p {
    font-family: 'Oswald', sans-serif;
    font-size: 16px;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.5);
}

.intro-content h2 {
    font-size: clamp(28px, 3.5vw, 38px);
    margin-bottom: 20px;
}

.intro-content p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.check-list {
    margin: 24px 0;
}

.check-list li {
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
    color: var(--text-light);
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

/* ============================================
   SERVICES CARDS
   ============================================ */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.service-card {
    background: var(--white);
    border-radius: 8px;
    padding: 36px 28px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
    border: 1px solid var(--border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: transparent;
}

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

.service-icon {
    font-size: 42px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
    font-size: 15px;
}

/* ============================================
   EQUIPMENT LIST
   ============================================ */

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.equip-item {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: all var(--transition);
}

.equip-item:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--accent);
}

.equip-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.equip-item span {
    font-size: 15px;
    color: rgba(255,255,255,0.85);
}

/* ============================================
   MISSION & VALUES
   ============================================ */

.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.mission-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: 8px;
    background: var(--white);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: transform var(--transition);
}

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

.mission-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.mission-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--primary);
}

.mission-card p {
    color: var(--text-light);
    font-size: 15px;
}

/* ============================================
   RATINGS & COMPLIANCE
   ============================================ */

.ratings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.rating-badge {
    background: rgba(232,160,32,0.1);
    border: 2px solid var(--accent);
    border-radius: 8px;
    padding: 24px 20px;
    text-align: center;
}

.rating-badge .badge-value {
    font-family: 'Oswald', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    display: block;
}

.rating-badge .badge-label {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 6px;
}

/* ============================================
   CUSTOMERS
   ============================================ */

.customers-section { text-align: center; }

.customers-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.customer-logo {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 32px;
    font-family: 'Oswald', sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 1px;
    transition: all var(--transition);
}

.customer-logo:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* ============================================
   CONTACT FORM
   ============================================ */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: 32px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-detail-icon {
    font-size: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-detail h4 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: 4px;
}

.contact-detail p {
    margin: 0;
    font-size: 15px;
}

.contact-form {
    background: var(--white);
    border-radius: 10px;
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.contact-form h3 {
    font-size: 26px;
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    font-size: 14px;
    margin-bottom: 6px;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: 'Roboto', sans-serif;
    color: var(--text);
    background: var(--bg-light);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,58,92,0.1);
    background: var(--white);
}

.form-group textarea {
    resize: vertical;
    min-height: 130px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: none;
}

.form-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: none;
}

/* ============================================
   PAGE BANNER
   ============================================ */

.page-banner {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    padding: 70px 0;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.page-banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,25,47,0.82) 0%, rgba(15,37,64,0.72) 100%);
    z-index: 0;
}

/* Photo strip / image section */
.photo-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    height: 300px;
    overflow: hidden;
}

.photo-strip-item {
    overflow: hidden;
    position: relative;
}

.photo-strip-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.photo-strip-item:hover img {
    transform: scale(1.05);
}

.photo-strip-item .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,25,47,0.7) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.photo-strip-item:hover .overlay {
    opacity: 1;
}

.photo-strip-item .overlay span {
    color: var(--white);
    font-family: 'Oswald', sans-serif;
    font-size: 18px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.page-banner h1 {
    font-size: clamp(30px, 5vw, 52px);
    color: var(--white);
    margin-bottom: 12px;
}

.page-banner p {
    color: rgba(255,255,255,0.75);
    font-size: 17px;
}

.breadcrumb {
    margin-top: 16px;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
}

.breadcrumb a { color: var(--accent); }
.breadcrumb span { margin: 0 8px; }

/* ============================================
   ABOUT PAGE
   ============================================ */

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 28px;
}

.team-card {
    text-align: center;
    padding: 28px 20px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
    border: 1px solid var(--border);
    transition: transform var(--transition);
}

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

.team-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    font-family: 'Oswald', sans-serif;
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.team-card h4 { font-size: 18px; margin-bottom: 4px; }
.team-card .role { font-size: 13px; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; }

/* ============================================
   BADGE
   ============================================ */

.badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent);
    color: var(--primary-dark);
    border-radius: 3px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin: 4px 4px 0 0;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.75);
}

.footer-main { padding: 60px 0 40px; }

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
}

.footer-col h3 {
    color: var(--white);
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}

.footer-col p { font-size: 14px; line-height: 1.8; margin-bottom: 8px; }

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

.footer-col ul li a {
    color: rgba(255,255,255,0.65);
    font-size: 14px;
    transition: color var(--transition);
    padding-left: 12px;
    position: relative;
}

.footer-col ul li a::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.footer-col ul li a:hover { color: var(--accent); }

.footer-ratings {
    margin-top: 16px;
}

.footer-bottom {
    background: rgba(0,0,0,0.3);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
}

.footer-bottom p {
    color: rgba(255,255,255,0.45);
    margin-bottom: 4px;
}

/* ============================================
   UTILITY
   ============================================ */

.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-40 { margin-top: 40px; }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .intro-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .mission-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .photo-strip { grid-template-columns: 1fr; height: auto; }
    .photo-strip-item { height: 200px; }
    .nav-toggle { display: flex; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-dark);
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        border-top: 1px solid rgba(255,255,255,0.1);
    }

    .nav-links.open { display: flex; }

    .main-nav { position: sticky; top: 0; }
    .nav-inner { position: relative; }

    .hero { padding: 60px 0 50px; min-height: auto; }
    .hero p { font-size: 16px; }

    .section { padding: 56px 0; }
    .section-header { margin-bottom: 36px; }

    .form-row { grid-template-columns: 1fr; }
    .mission-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-form { padding: 28px 20px; }
    .header-contact { display: none; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .hero-buttons { flex-direction: column; }
    .btn { text-align: center; }
}