/*============================
 GLOBAL & ANIMATIONS
 =============================*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #111111;
    --dark: #222222;
    --grey: #666666;
    --light: #F5F5F5;
    --border: #E5E5E5;
    --white: #FFFFFF;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: white;
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1400px;
    margin: auto;
}

/* Click feedback effect for smooth-scroll links */
.click-animated {
    animation: linkPulse 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes linkPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.94);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/*============================
 HEADER & NAVIGATION
 =============================*/
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo img {
    height: 55px;
    width: auto;
    display: block;
    object-fit: contain;
}

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

nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: 0.3s;
    position: relative;
    display: inline-block;
}

nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0;
    height: 2px;
    background: #111;
    transition: 0.3s;
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 24px;
    color: var(--black);
    cursor: pointer;
    padding: 6px;
}

/*============================
 BUTTONS
 =============================*/
.btn-nav {
    text-decoration: none;
    background: #111;
    color: white;
    padding: 12px 26px;
    border-radius: 40px;
    font-weight: 600;
    transition: 0.3s;
    white-space: nowrap;
    display: inline-block;
}

.btn-nav:hover {
    background: #333;
}

.btn-dark {
    background: white;
    color: #111;
    padding: 18px 36px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.35s;
    display: inline-block;
}

.btn-dark:hover {
    transform: translateY(-4px);
}

.btn-outline {
    border: 2px solid white;
    padding: 18px 36px;
    color: white;
    text-decoration: none;
    border-radius: 40px;
    transition: 0.35s;
    display: inline-block;
}

.btn-outline:hover {
    background: white;
    color: #111;
}

/*============================
 HERO
 =============================*/
.hero {
    height: 100vh;
    min-height: 650px;
    background: url("../images/hero_scale.webp") center/cover no-repeat;
    display: flex;
    align-items: center;
    position: relative;
}

.overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.85), rgba(0,0,0,0.5));
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 700px;
    color: white;
    padding-top: 60px;
}

.hero h1 {
    font-size: 64px;
    line-height: 1.1;
    margin-bottom: 25px;
    font-weight: 800;
}

.hero p {
    font-size: 20px;
    color: #ECECEC;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

/*========================
 WHY US
 =========================*/
.why-us {
    padding: 120px 0;
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.why-image img {
    width: 100%;
    border-radius: 20px;
    display: block;
    object-fit: cover;
}

.why-content span {
    letter-spacing: 3px;
    font-size: 14px;
    color: #777;
    font-weight: 600;
}

.why-content h2 {
    font-size: 48px;
    margin: 20px 0;
    line-height: 1.15;
}

.why-content p {
    font-size: 18px;
    color: #666;
    margin-bottom: 35px;
}

.features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.features h3 {
    font-size: 38px;
    margin-bottom: 5px;
}

.features p {
    margin: 0;
    font-size: 15px;
    color: #666;
}

/*========================
 SOLUTIONS / FEATURED CATEGORIES
 =========================*/
.solutions {
    padding: 120px 0;
    background: #F7F7F7;
}

.section-title {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 60px;
}

.section-title span {
    font-size: 14px;
    letter-spacing: 3px;
    color: #666;
    font-weight: 600;
}

.section-title h2 {
    font-size: 46px;
    margin: 15px 0;
}

.section-title p {
    font-size: 18px;
    color: #666;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.solution-card {
    background: white;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 20px 45px rgba(0,0,0,0.08);
    transition: 0.4s;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 35px 60px rgba(0,0,0,0.15);
}

.solution-card img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    transition: 0.5s;
}

.solution-card:hover img {
    transform: scale(1.05);
}

.solution-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.solution-content h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.solution-content p {
    color: #666;
    margin-bottom: 20px;
    flex-grow: 1;
}

.solution-link {
    font-weight: 600;
    color: #111;
}

/*==========================
 DEDICATED CATEGORY & PRODUCT PAGES
 ==========================*/
.page-header {
    background: #111;
    color: white;
    padding: 160px 0 80px;
    text-align: center;
}

.page-header span {
    letter-spacing: 3px;
    font-size: 14px;
    color: #aaa;
    font-weight: 600;
    text-transform: uppercase;
}

.page-header h1 {
    font-size: 52px;
    margin: 15px 0;
}

.page-header p {
    font-size: 18px;
    color: #ccc;
    max-width: 700px;
    margin: 0 auto;
}

.product-page-section {
    padding: 100px 0;
    background: #fdfdfd;
}

.product-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.product-item-card {
    background: white;
    border-radius: 20px;
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    transition: 0.35s ease;
    display: flex;
    flex-direction: column;
}

.product-item-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px rgba(0,0,0,0.12);
}

.product-item-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.product-item-info {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-item-info h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--black);
}

.product-item-info p {
    color: var(--grey);
    font-size: 15px;
    margin-bottom: 20px;
    flex-grow: 1;
}

.spec-list {
    list-style: none;
    margin-bottom: 25px;
    border-top: 1px solid var(--border);
    padding-top: 15px;
}

.spec-list li {
    font-size: 14px;
    color: #444;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.spec-list li i {
    color: #111;
    font-size: 12px;
}

/*==========================
 GALLERY
 ==========================*/
.gallery {
    padding: 120px 0;
    background: #f6f6f6;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-grid img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 18px;
    transition: 0.4s;
}

.gallery-grid img:hover {
    transform: scale(1.02);
}

/*==========================
 CTA
 ==========================*/
.cta-dark {
    padding: 120px 20px;
    background: #111;
    color: white;
    text-align: center;
}

.cta-dark h2 {
    font-size: 50px;
    margin-bottom: 20px;
}

.cta-dark p {
    font-size: 19px;
    color: #d8d8d8;
    margin-bottom: 35px;
}

.btn-light {
    display: inline-block;
    padding: 18px 40px;
    background: white;
    color: #111;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}

.btn-light:hover {
    transform: translateY(-4px);
}

/*==========================
 FOOTER
 ==========================*/
footer {
    background: #0a0a0a;
    color: white;
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
    align-items: start;
}

.footer-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    margin-bottom: 20px;
    display: block;
    background: #ffffff;
    padding: 8px 14px;
    border-radius: 8px;
}

footer p {
    color: #a0a0a0;
    font-size: 15px;
    line-height: 1.6;
}

footer h3 {
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
}

footer a {
    display: block;
    color: #d9d9d9;
    text-decoration: none;
    margin-bottom: 12px;
    transition: 0.3s;
}

footer a:hover {
    color: white;
    transform: translateX(4px);
}

.copyright {
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
    padding: 25px;
    color: #888;
    font-size: 14px;
}

/*==========================
 RESPONSIVE DESIGN
 ==========================*/
@media (max-width: 992px) {
    header .container {
        height: 80px;
    }

    .mobile-toggle {
        display: block;
    }

    nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border);
        padding: 25px 0;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        display: none;
    }

    nav.active {
        display: block;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .hero h1 {
        font-size: 46px;
    }

    .why-grid,
    .solution-grid,
    .product-list-grid,
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

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

@media (max-width: 600px) {
    .hero {
        text-align: center;
    }

    .hero-content {
        margin: auto;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 16px;
    }

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons a {
        text-align: center;
        width: 100%;
    }

    .why-grid,
    .solution-grid,
    .product-list-grid,
    .gallery-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .features {
        grid-template-columns: 1fr 1fr;
    }

    .section-title h2,
    .why-content h2,
    .cta-dark h2,
    .page-header h1 {
        font-size: 32px;
    }

    .btn-nav {
        padding: 10px 18px;
        font-size: 14px;
    }
}