/* Soltech Corporate Stylesheet - Option 2 Finalized */
:root {
    --primary-navy: #1B263B; /* Logo Navy */
    --charcoal: #36454F; /* Logo Text/Base */
    --logo-bronze: #CD7F32; /* Warm Accent (Updated from image_6.png) */
    --copper-rule: #A16A46; /* Slightly deeper Bronze for Rules/Borders */
    
    --light-grey: #F4F4F4;
    --white: #FFFFFF;
    --text-dark: #333333;
    
    --font-serif: 'Montserrat', sans-serif; /* Bold Contemporary */
    --font-sans: 'Open Sans', sans-serif; /* Highly Readable */
}

/* Global Corporate Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-sans); color: var(--text-dark); line-height: 1.6; }
.container { width: 85%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Authority Style Headings */
h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; color: var(--primary-navy); }

/* Sticky Transparent Header */
header { 
    background: transparent; 
    padding: 30px 0; 
    position: fixed; /* Sticky when scrolling */
    width: 100%; 
    z-index: 100; 
    transition: all 0.3s ease-in-out;
}

header.scrolled {
    background: rgba(27, 38, 59, 0.95);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { 
    width: 85px;
    height: 85px;
    border-radius: 20%;
    object-fit: cover;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: block;
    transition: all 0.3s ease-in-out;
}
header.scrolled .logo { 
    width: 60px;
    height: 60px;
}

.header-logo-name { 
    display: flex; 
    align-items: center; 
    gap: 15px;
}

.company-name { 
    font-family: var(--font-serif);
    font-weight: 600; 
    font-size: 1.25rem; 
    color: var(--white);
    letter-spacing: 1px;
    white-space: nowrap;
}

header.scrolled .company-name {
    font-size: 1rem;
}

.header-contact { font-weight: 600; font-size: 0.95rem; color: var(--white); }
.header-contact span { color: var(--white); }

.hero { 
    position: relative;
    background-image: linear-gradient(rgba(27, 38, 59, 0.8), rgba(27, 38, 59, 0.8)), url('../img/hero-banner.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white); 
    padding: 220px 0 140px 0; /* Extra top padding for the overlaid header */
    text-align: center; 
}
.hero h1 { color: var(--white); font-size: 3.5rem; margin-bottom: 25px; text-shadow: 0 2px 10px rgba(0,0,0,0.2); }
.hero p { max-width: 750px; margin: 0 auto 50px auto; font-size: 1.4rem; opacity: 0.95; font-weight: 400;}

/* Corporate Buttons - Animated */
.btn { 
    display: inline-block; 
    padding: 18px 36px; 
    background-color: var(--logo-bronze); 
    color: var(--white); 
    text-decoration: none; 
    text-transform: uppercase; 
    font-weight: 600; 
    letter-spacing: 1.5px; 
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
}
.btn:hover { 
    background-color: var(--charcoal); 
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}
.btn:active {
    transform: translateY(-1px);
    box-shadow: 0 5px 10px rgba(0,0,0,0.2);
}

.services { padding: 90px 0; background-color: var(--light-grey); }
.services h2 { text-align: center; margin-bottom: 60px; font-size: 2.2rem;}
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 35px; }

.service-item { 
    background: var(--white); 
    padding: 40px; 
    border-top: 5px solid var(--primary-navy); 
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.service-item:hover {
    transform: scale(1.03);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border-top-color: var(--logo-bronze);
}

.contact { padding: 90px 0; text-align: center; }
.contact h2 { margin-bottom: 20px; }
.contact p { margin-bottom: 60px; color: #666; max-width: 600px; margin-left: auto; margin-right: auto; }

/* B2B Qualifying Form */
form { max-width: 800px; margin: 0 auto; text-align: left; }
.form-group { display: flex; gap: 20px; margin-bottom: 20px; }
input, select, textarea { 
    width: 100%; 
    padding: 18px; 
    border: 1px solid #DDD; 
    font-family: var(--font-sans); 
    font-size: 1rem;
    color: var(--charcoal);
}
input:focus, select:focus, textarea:focus { border-color: var(--logo-bronze); outline: none; }
textarea { resize: vertical; margin-bottom: 30px; }

footer { background-color: #1A1A1A; color: #BBB; padding: 70px 0; font-size: 0.95rem; }
.footer-content { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 50px;}
.footer-address { line-height: 1.8; color: #EEE; }
.footer-trust { text-align: right;}
.footer-trust img { height: 65px; margin-bottom: 15px; } /* Supply official NICEIC logo */
.footer-trust p { color: #BBB; font-weight: 600; }
.copyright { text-align: center; border-top: 1px solid #333; padding-top: 25px; color: #888; }