/* ========== CSS VARIABLES ========== */
:root {
    --primary: #0099DD;
    --primary-dark: #0077B6;
    --secondary: #1A1A2E;
    --accent: #FF6B35;
    --dark: #0f0f0f;
    --dark-light: #1a1a2e;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --white: #ffffff;
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== RESET & BASE ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-main);
    color: var(--dark);
    line-height: 1.7;
    background: var(--white);
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ========== UTILITY ========== */
.section { padding: 100px 0; }
.section-title {
    text-align: center;
    margin-bottom: 60px;
}
.section-title h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 12px;
}
.section-title .underline {
    width: 60px;
    height: 4px;
    background: var(--primary);
    margin: 0 auto 16px;
    border-radius: 2px;
}
.section-title p {
    color: var(--gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}
.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.btn-primary {
    background: var(--primary);
    color: var(--white);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,153,221,0.35);
}
.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}
.btn-outline:hover {
    background: var(--white);
    color: var(--secondary);
}
.btn-accent {
    background: var(--accent);
    color: var(--white);
}
.btn-accent:hover {
    background: #e55a25;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,107,53,0.35);
}
.btn-white {
    background: var(--white);
    color: var(--primary);
}
.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }

/* ========== TOP BAR ========== */
.top-bar {
    background: var(--secondary);
    color: var(--gray-light);
    padding: 8px 0;
    font-size: 0.85rem;
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar-left { display: flex; gap: 24px; }
.top-bar-left span { display: flex; align-items: center; gap: 6px; }
.top-bar-left span i { color: var(--primary); }
.top-bar-right { display: flex; gap: 12px; }
.top-bar-right a {
    width: 30px; height: 30px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: var(--gray-light);
    font-size: 0.8rem;
}
.top-bar-right a:hover { background: var(--primary); color: var(--white); }

/* ========== HEADER / NAVBAR ========== */
.header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    transition: var(--transition);
}
.header.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
}
.logo { display: flex; align-items: center; }
.logo img { height: 55px; }
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links a {
    padding: 10px 18px;
    font-weight: 500;
    color: var(--secondary);
    border-radius: 8px;
    font-size: 0.95rem;
    position: relative;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: rgba(0,153,221,0.06);
}
.nav-links .btn-nav {
    background: var(--primary);
    color: var(--white) !important;
    margin-left: 8px;
}
.nav-links .btn-nav:hover {
    background: var(--primary-dark);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 5px;
    z-index: 1001;
}
.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--secondary);
    border-radius: 3px;
    transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3e 50%, #0d1b2a 100%);
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(0,153,221,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,107,53,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-text { color: var(--white); }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,153,221,0.15);
    border: 1px solid rgba(0,153,221,0.3);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 24px;
    font-weight: 500;
}
.hero-text h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}
.hero-text h1 span { color: var(--primary); }
.hero-text p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 36px;
    max-width: 500px;
    line-height: 1.8;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stats h3 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
}
.hero-stats p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    margin-bottom: 0;
}
.hero-image { position: relative; text-align: center; }
.hero-image-main {
    position: relative;
    z-index: 2;
}
.hero-image-main svg {
    width: 100%;
    max-width: 500px;
}
.hero-float-card {
    position: absolute;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 3;
    animation: float 3s ease-in-out infinite;
}
.hero-float-card.card-1 { top: 10%; left: 5%; animation-delay: 0s; }
.hero-float-card.card-2 { bottom: 20%; right: 0; animation-delay: 1.5s; }
.hero-float-card .icon-circle {
    width: 44px; height: 44px;
    background: var(--primary);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--white);
    font-size: 1.1rem;
}
.hero-float-card span { color: var(--white); font-weight: 500; font-size: 0.9rem; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ========== SERVICES SECTION ========== */
.services { background: #f8fafc; }
.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transition: var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0,153,221,0.1);
}
.service-card .icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0,153,221,0.1), rgba(0,153,221,0.05));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 1.6rem;
    color: var(--primary);
    transition: var(--transition);
}
.service-card:hover .icon {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1);
}
.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--secondary);
}
.service-card p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ========== WHY CHOOSE US ========== */
.why-us { background: var(--white); }
.why-us-image {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
}
.why-us-image .image-box {
    width: 100%;
    height: 450px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.why-us-image .image-box::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(255,255,255,0.03) 20px, rgba(255,255,255,0.03) 40px);
}
.why-us-image .image-box .packaging-icon {
    font-size: 8rem;
    color: rgba(255,255,255,0.9);
    z-index: 1;
}
.why-us-content .feature-item {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}
.why-us-content .feature-item .feature-icon {
    min-width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(0,153,221,0.1), rgba(0,153,221,0.05));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary);
}
.why-us-content .feature-item h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--secondary);
}
.why-us-content .feature-item p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ========== PRODUCTS ========== */
.products { background: #f8fafc; }
.product-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-light);
}
.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}
.product-card .product-image {
    height: 220px;
    background: linear-gradient(135deg, #f0f7ff, #e6f2ff);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.product-card .product-image .product-icon {
    font-size: 4rem;
    color: var(--primary);
    z-index: 1;
}
.product-card .product-image .tag {
    position: absolute;
    top: 12px; right: 12px;
    background: var(--accent);
    color: var(--white);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}
.product-card .product-info {
    padding: 24px;
}
.product-card .product-info h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--secondary);
}
.product-card .product-info p {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

/* ========== TESTIMONIALS ========== */
.testimonials {
    background: linear-gradient(135deg, #0a0a1a, #1a1a3e);
    color: var(--white);
}
.testimonials .section-title h2 { color: var(--white); }
.testimonials .section-title p { color: rgba(255,255,255,0.6); }
.testimonial-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    padding: 36px;
    transition: var(--transition);
}
.testimonial-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-5px);
}
.testimonial-card .stars {
    color: #ffc107;
    font-size: 1rem;
    margin-bottom: 16px;
}
.testimonial-card .quote {
    font-size: 1rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}
.testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 14px;
}
.testimonial-card .author .avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}
.testimonial-card .author .info h4 {
    font-weight: 600;
    font-size: 1rem;
}
.testimonial-card .author .info p {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
}

/* ========== CTA BANNER ========== */
.cta-banner {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%; left: -10%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.1), transparent);
    border-radius: 50%;
}
.cta-banner::after {
    content: '';
    position: absolute;
    bottom: -50%; right: -10%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.08), transparent);
    border-radius: 50%;
}
.cta-banner h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}
.cta-banner p {
    color: rgba(255,255,255,0.85);
    font-size: 1.1rem;
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

/* ========== ABOUT PAGE ========== */
.page-hero {
    background: linear-gradient(135deg, #0a0a1a, #1a1a3e);
    padding: 140px 0 80px;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(0,153,221,0.15), transparent);
    border-radius: 50%;
}
.page-hero h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}
.page-hero .breadcrumb {
    color: rgba(255,255,255,0.5);
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}
.page-hero .breadcrumb a { color: var(--primary); }
.page-hero .breadcrumb a:hover { text-decoration: underline; }

.about-story .story-image {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.about-story .story-image::before {
    content: '';
    position: absolute;
    width: 200%; height: 200%;
    background: repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(255,255,255,0.03) 20px, rgba(255,255,255,0.03) 40px);
}
.about-story .story-image .packaging-icon {
    font-size: 7rem;
    color: rgba(255,255,255,0.9);
    z-index: 1;
}
.about-story h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 16px;
}
.about-story p {
    color: var(--gray);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

/* Values */
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.value-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.value-card .value-icon {
    width: 80px; height: 80px;
    background: linear-gradient(135deg, rgba(0,153,221,0.1), rgba(0,153,221,0.05));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--primary);
}
.value-card h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 10px;
}
.value-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* Timeline */
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: var(--primary);
    opacity: 0.2;
}
.timeline-item {
    display: flex;
    margin-bottom: 40px;
    position: relative;
}
.timeline-item:nth-child(odd) { justify-content: flex-start; padding-right: calc(50% + 30px); }
.timeline-item:nth-child(even) { justify-content: flex-end; padding-left: calc(50% + 30px); }
.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--primary);
    z-index: 1;
}
.timeline-content {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.timeline-content .year {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary);
    font-size: 1.1rem;
    margin-bottom: 8px;
}
.timeline-content h4 {
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 6px;
}
.timeline-content p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ========== CONTACT PAGE ========== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; }
.contact-info-card {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.contact-info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.contact-info-card .ci-icon {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, rgba(0,153,221,0.1), rgba(0,153,221,0.05));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary);
    flex-shrink: 0;
}
.contact-info-card h4 {
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 4px;
}
.contact-info-card p {
    color: var(--gray);
    font-size: 0.9rem;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.contact-form h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 24px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-weight: 500;
    color: var(--secondary);
    margin-bottom: 6px;
    font-size: 0.9rem;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-light);
    border-radius: 10px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: var(--transition);
    background: #fafbfc;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0,153,221,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* Map */
.map-container {
    width: 100%;
    height: 350px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-top: 20px;
}
.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* ========== SERVICES PAGE ========== */
.service-detail {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-light);
}
.service-detail:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(0,153,221,0.2);
}
.service-detail .sd-header {
    background: linear-gradient(135deg, rgba(0,153,221,0.08), rgba(0,153,221,0.03));
    padding: 32px;
    text-align: center;
}
.service-detail .sd-header .sd-icon {
    width: 80px; height: 80px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 2rem;
    color: var(--white);
}
.service-detail .sd-header h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--secondary);
}
.service-detail .sd-body {
    padding: 28px 32px;
}
.service-detail .sd-body p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 16px;
}
.service-detail .sd-body ul {
    padding-left: 20px;
}
.service-detail .sd-body ul li {
    color: var(--gray);
    font-size: 0.95rem;
    padding: 6px 0;
    position: relative;
    padding-left: 20px;
}
.service-detail .sd-body ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* ========== PRODUCTS PAGE ========== */
.product-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.filter-btn {
    padding: 10px 24px;
    border: 2px solid var(--gray-light);
    border-radius: 50px;
    background: var(--white);
    color: var(--gray);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}
.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.product-showcase .product-card .product-image {
    height: 260px;
}
.product-showcase .product-card .product-info h3 {
    font-size: 1.2rem;
}
.product-showcase .product-card .product-info .specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}
.product-showcase .product-card .product-info .specs span {
    padding: 4px 12px;
    background: rgba(0,153,221,0.08);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 500;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding-top: 80px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-about .logo { margin-bottom: 20px; }
.footer-about .logo img { height: 50px; }
.footer-about p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 20px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
    width: 40px; height: 40px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}
.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}
.footer h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 10px;
}
.footer h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary);
}
.footer-links li { margin-bottom: 12px; }
.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-links a::before {
    content: '›';
    color: var(--primary);
    font-weight: 700;
}
.footer-links a:hover {
    color: var(--primary);
    padding-left: 4px;
}
.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: var(--primary); }
.footer-bottom a:hover { text-decoration: underline; }

/* ========== BACK TO TOP ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 15px rgba(0,153,221,0.3);
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ========== PROCESS / STEPS ========== */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; position: relative; }
.process-steps::before {
    content: '';
    position: absolute;
    top: 45px;
    left: 12.5%;
    width: 75%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0.2;
}
.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}
.process-step .step-number {
    width: 90px; height: 90px;
    background: var(--white);
    border: 3px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    transition: var(--transition);
}
.process-step:hover .step-number {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1);
}
.process-step h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 8px;
}
.process-step p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ========== CLIENTS ========== */
.clients { background: #f8fafc; }
.clients-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}
.client-logo {
    width: 120px;
    height: 60px;
    background: rgba(0,0,0,0.05);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--gray);
    font-size: 0.85rem;
    transition: var(--transition);
}
.client-logo:hover {
    background: var(--white);
    box-shadow: var(--shadow);
    color: var(--primary);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .hero-text h1 { font-size: 2.8rem; }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .process-steps::before { display: none; }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    .nav-links {
        position: fixed;
        top: 0; right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 30px 30px;
        box-shadow: -5px 0 30px rgba(0,0,0,0.1);
        transition: var(--transition);
        z-index: 999;
        align-items: stretch;
        gap: 4px;
    }
    .nav-links.active { right: 0; }
    .nav-links a {
        padding: 14px 18px;
        border-radius: 10px;
        text-align: left;
    }
    .nav-links .btn-nav { text-align: center; margin-left: 0; margin-top: 10px; }
    .hamburger { display: flex; }

    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-text p { margin: 0 auto 36px; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-image { display: none; }
    .hero-text h1 { font-size: 2.4rem; }

    .section-title h2 { font-size: 2rem; }
    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
    .section { padding: 60px 0; }

    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr; }

    .page-hero h1 { font-size: 2.2rem; }

    .timeline::before { left: 20px; }
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        padding-left: 50px;
        padding-right: 0;
        justify-content: flex-start;
    }
    .timeline-dot { left: 20px; }
}

@media (max-width: 480px) {
    .hero-text h1 { font-size: 2rem; }
    .hero-stats { flex-direction: column; gap: 20px; align-items: center; }
    .hero-float-card { display: none; }
    .cta-banner h2 { font-size: 1.8rem; }
    .btn { padding: 12px 28px; font-size: 0.85rem; }
}

/* ========== MOBILE OVERLAY ========== */
.nav-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ========== QUOTE MODAL ========== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 20px;
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.modal {
    background: var(--white);
    border-radius: var(--radius);
    width: 100%;
    max-width: 580px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}
.modal-header {
    padding: 28px 32px 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.modal-header h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
}
.modal-header p {
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: 4px;
}
.modal-close {
    width: 36px; height: 36px;
    background: var(--gray-light);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--gray);
    transition: var(--transition);
    flex-shrink: 0;
}
.modal-close:hover {
    background: #fee2e2;
    color: #dc3545;
}
.modal-body {
    padding: 24px 32px 32px;
}
.modal-body .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.modal-body .form-group { margin-bottom: 16px; }
.modal-body .form-group label {
    display: block;
    font-weight: 500;
    color: var(--secondary);
    margin-bottom: 5px;
    font-size: 0.85rem;
}
.modal-body .form-group input,
.modal-body .form-group textarea,
.modal-body .form-group select {
    width: 100%;
    padding: 11px 14px;
    border: 2px solid var(--gray-light);
    border-radius: 10px;
    font-family: var(--font-main);
    font-size: 0.9rem;
    transition: var(--transition);
    background: #fafbfc;
}
.modal-body .form-group input:focus,
.modal-body .form-group textarea:focus,
.modal-body .form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0,153,221,0.1);
}
.modal-body .form-group textarea { resize: vertical; min-height: 90px; }

/* ========== ANIMATIONS ========== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}