/* HOI Crane & Lift - Base Styles & Layout */
/* Matching Vian Theme: Lime green accent, clean white, bold typography */

:root {
    --primary: #c5e520;
    --primary-dark: #a8c41a;
    --primary-rgb: 197, 229, 32;
    --dark: #1a1a1a;
    --dark-2: #2d2d2d;
    --dark-3: #444444;
    --text: #555555;
    --text-light: #888888;
    --light: #f5f5f5;
    --light-2: #f0f0f0;
    --white: #ffffff;
    --border: #e8e8e8;
    --shadow: 0 4px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 50px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 80px;
}

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

html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.7;
    color: var(--text);
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

.skip-link {
    position: absolute; top: -100%; left: 50%; transform: translateX(-50%);
    background: var(--primary); color: var(--dark); padding: 12px 24px;
    border-radius: var(--radius); z-index: 10000; font-weight: 600;
}
.skip-link:focus { top: 10px; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: 50px; font-family: var(--font-body);
    font-size: 0.9rem; font-weight: 600; border: none; cursor: pointer;
    transition: var(--transition); white-space: nowrap;
}
.btn-primary {
    background: var(--primary); color: var(--dark);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.4); }
.btn-dark { background: var(--dark); color: var(--white); }
.btn-dark:hover { background: var(--dark-2); transform: translateY(-2px); }
.btn-outline { background: transparent; border: 2px solid var(--border); color: var(--dark); }
.btn-outline:hover { border-color: var(--primary); background: var(--primary); }
.btn-lg { padding: 18px 36px; font-size: 1rem; }
.btn-block { display: flex; width: 100%; justify-content: center; }

/* ===== SECTION BADGE ===== */
.section-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 16px; border-radius: 50px; font-size: 0.8rem;
    font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
    border: 1px solid var(--border); background: var(--white); color: var(--dark);
    margin-bottom: 20px;
}
.section-badge::before {
    content: ''; width: 8px; height: 8px; border-radius: 50%;
    background: var(--primary); display: inline-block;
}

/* ===== HEADER ===== */
.site-header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    transition: var(--transition);
}
.header-inner {
    background: rgba(26, 26, 26, 0.3); backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}
.site-header.scrolled .header-inner {
    background: rgba(26, 26, 26, 0.95); box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}
.header-container {
    display: flex; align-items: center; justify-content: space-between;
    height: var(--header-height); gap: 20px;
}
.header-logo {
    display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-main { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 800; color: var(--white); }
.logo-sub { font-size: 0.65rem; color: rgba(255,255,255,0.7); font-weight: 500; letter-spacing: 1px; text-transform: uppercase; }

.nav-list {
    display: flex; align-items: center; gap: 4px; list-style: none;
}
.nav-link {
    display: flex; align-items: center; gap: 4px; padding: 10px 16px;
    color: rgba(255,255,255,0.85); font-size: 0.9rem; font-weight: 500;
    border-radius: 8px; transition: var(--transition);
}
.nav-link:hover, .nav-item.active .nav-link { color: var(--primary); }

.header-actions { display: flex; align-items: center; gap: 16px; }
.header-phone {
    display: flex; align-items: center; gap: 8px; color: var(--white);
    font-size: 0.9rem; font-weight: 500;
}
.phone-icon {
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255,255,255,0.1); display: flex;
    align-items: center; justify-content: center;
}
.btn-header { padding: 10px 22px; font-size: 0.85rem; }

.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger { display: flex; flex-direction: column; gap: 5px; width: 24px; }
.hamburger span {
    width: 100%; height: 2px; background: var(--white);
    transition: var(--transition); border-radius: 2px;
}
.mobile-toggle.active .hamburger span:nth-child(1) { transform: rotate(45deg) translateY(7px); }
.mobile-toggle.active .hamburger span:nth-child(2) { opacity: 0; }
.mobile-toggle.active .hamburger span:nth-child(3) { transform: rotate(-45deg) translateY(-7px); }

.mobile-nav-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px); z-index: 999;
    opacity: 0; visibility: hidden; transition: var(--transition);
}
.mobile-nav-overlay.open { opacity: 1; visibility: visible; }
.mobile-nav-content {
    position: absolute; right: 0; top: 0; width: 320px; height: 100%;
    background: var(--dark); padding: 100px 30px 40px;
    transform: translateX(100%); transition: var(--transition);
    display: flex; flex-direction: column; justify-content: space-between;
}
.mobile-nav-overlay.open .mobile-nav-content { transform: translateX(0); }
.mobile-nav-list { list-style: none; }
.mobile-nav-list li { border-bottom: 1px solid rgba(255,255,255,0.1); }
.mobile-nav-list a {
    display: block; padding: 16px 0; color: rgba(255,255,255,0.8);
    font-size: 1.1rem; font-weight: 500;
}
.mobile-nav-list a:hover, .mobile-nav-list a.active { color: var(--primary); }
.mobile-nav-footer { display: flex; flex-direction: column; gap: 16px; }
.mobile-phone { color: var(--white); font-size: 1rem; font-weight: 500; }

/* ===== HERO SECTION ===== */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: flex-end;
    padding: 0 0 60px; overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0; z-index: 0;
}
.hero-bg img {
    width: 100%; height: 100%; object-fit: cover;
}
.hero-bg::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.5) 100%);
}
.hero-content {
    position: relative; z-index: 2; width: 100%;
}
.hero-inner {
    display: flex; align-items: flex-end; justify-content: space-between; gap: 40px;
}
.hero-text { max-width: 680px; }
.hero-title {
    font-size: clamp(2.8rem, 6vw, 4.5rem); font-weight: 800;
    color: var(--white); line-height: 1.08; margin-bottom: 24px;
    letter-spacing: -1px;
}
.hero-subtitle {
    font-size: 1rem; color: rgba(255,255,255,0.8);
    max-width: 480px; margin-bottom: 32px; line-height: 1.7;
}

/* ===== STATS CARDS ===== */
.stats-section {
    position: relative; z-index: 3; margin-top: -80px; padding-bottom: 80px;
}
.stats-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.stat-card {
    padding: 40px 32px; border-radius: var(--radius-lg);
    position: relative; overflow: hidden;
}
.stat-card:nth-child(1) { background: var(--white); box-shadow: var(--shadow); }
.stat-card:nth-child(2) { background: var(--primary); }
.stat-card:nth-child(3) {
    background: var(--primary); position: relative; overflow: hidden;
    display: flex; flex-direction: column; justify-content: center;
}
.stat-number {
    font-family: var(--font-heading); font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800; color: var(--dark); line-height: 1; margin-bottom: 8px;
}
.stat-label { font-size: 0.9rem; color: var(--text); line-height: 1.5; }
.stat-card:nth-child(2) .stat-label { color: var(--dark-2); }
.stat-card-cta {
    font-family: var(--font-heading); font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700; color: var(--dark); line-height: 1.2;
}
.stat-card-image {
    position: absolute; bottom: 0; right: 0; width: 55%; height: 80%;
    border-radius: var(--radius) 0 0 0; overflow: hidden;
}
.stat-card-image img { width: 100%; height: 100%; object-fit: cover; }

/* ===== SERVICES SECTION ===== */
.services-section { padding: 100px 0; }
.services-header {
    text-align: center; max-width: 700px; margin: 0 auto 60px;
}
.services-header p { margin-top: 16px; color: var(--text); }
.services-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.service-card {
    padding: 32px 24px; border-radius: var(--radius-lg);
    border: 1px solid var(--border); transition: var(--transition);
    display: flex; flex-direction: column;
}
.service-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow); }
.service-icon {
    width: 56px; height: 56px; margin-bottom: 20px;
    display: flex; align-items: center; justify-content: center;
}
.service-icon svg { width: 48px; height: 48px; }
.service-card h3 {
    font-size: 1.2rem; font-weight: 700; margin-bottom: 12px;
    font-style: italic;
}
.service-card p {
    font-size: 0.9rem; color: var(--text); line-height: 1.6;
    padding-top: 16px; border-top: 1px solid var(--border); flex-grow: 1;
}
.service-card-image {
    margin-top: 20px; border-radius: var(--radius); overflow: hidden;
    aspect-ratio: 4/3; position: relative;
}
.service-card-image img { width: 100%; height: 100%; object-fit: cover; }
.service-card-image .service-arrow {
    position: absolute; bottom: 12px; right: 12px;
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--primary); display: flex;
    align-items: center; justify-content: center;
    transition: var(--transition);
}
.service-card:hover .service-arrow { transform: rotate(-45deg); }