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

:root {
    --primary: #FF6B35;
    --primary-dark: #D65B28;
    --primary-light: #FF8C42;
    --dark-bg: #0F1419;
    --light-bg: #FFFFFF;
    --text-dark: #1A1A1A;
    --text-light: #6B7280;
    --border: #E5E7EB;
    --success: #10B981;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--light-bg);
    overflow-x: hidden;
}

/* ===== NAVIGATION ===== */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.97);
    padding: 1rem 4%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 107, 53, 0.1);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo-container:hover {
    transform: scale(1.05);
}

.logo-svg {
    width: 52px;
    height: 52px;
    filter: drop-shadow(0 4px 12px rgba(255, 107, 53, 0.2));
}

.logo-text {
    font-size: 1.7rem;
    font-weight: 950;
    letter-spacing: -0.8px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 3rem;
}

nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

nav a::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transition: width 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-radius: 2px;
}

nav a:hover::before {
    width: 100%;
}

nav a:hover {
    color: var(--primary);
}

.cta-nav {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white !important;
    padding: 0.95rem 2.2rem;
    border-radius: 10px;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.25);
    position: relative;
    overflow: hidden;
}

.cta-nav::before {
    display: none;
}

.cta-nav:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 40px rgba(255, 107, 53, 0.4);
}

/* ===== HERO SECTION ===== */
.hero {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
    background: linear-gradient(135deg, #FAFBFC 0%, #F0F4F8 50%, #E8EEF5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 4%;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -5%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(76, 175, 80, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 5rem;
    align-items: center;
    max-width: 1450px;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-text h1 {
    font-size: 4.2rem;
    font-weight: 950;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: var(--text-dark);
    letter-spacing: -1.2px;
}

.hero-text h1 span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    max-width: 550px;
    font-weight: 400;
}

.trust-badges {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
}

.badge-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1.15rem 2.8rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    box-shadow: 0 12px 40px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: var(--light-bg);
    color: var(--primary);
    border: 2.5px solid var(--primary);
    font-weight: 700;
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-4px);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 580px;
}

.product-showcase {
    width: 300px;
    height: 410px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 28px;
    box-shadow: 0 30px 70px rgba(255, 107, 53, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.4rem;
    animation: float 4s ease-in-out infinite;
    text-align: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.product-showcase::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translate(-100%, -100%); }
    100% { transform: translate(100%, 100%); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotateX(0deg); }
    50% { transform: translateY(-25px) rotateX(5deg); }
}

/* ===== CATEGORIES SECTION ===== */
.categories {
    padding: 8rem 4%;
    background: var(--light-bg);
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 3rem;
    font-weight: 950;
    margin-bottom: 1rem;
    color: var(--text-dark);
    letter-spacing: -0.5px;
}

.section-title span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.15rem;
    line-height: 1.6;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.category-card {
    background: var(--light-bg);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.category-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.12);
    border-color: var(--primary);
}

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

.icon-box {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
    margin-bottom: 1.5rem;
    color: white;
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.2);
}

.category-card h3 {
    font-size: 1.6rem;
    margin-bottom: 0.8rem;
    color: var(--text-dark);
    font-weight: 800;
}

.category-card p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1rem;
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: 8rem 4%;
    background: linear-gradient(135deg, #FAFBFC 0%, #F0F4F8 100%);
    max-width: 1400px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.feature-item {
    text-align: center;
    padding: 2.5rem;
    background: var(--light-bg);
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.feature-item:hover {
    box-shadow: 0 12px 40px rgba(255, 107, 53, 0.15);
    transform: translateY(-8px);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.feature-item h4 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--text-dark);
    font-weight: 800;
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ===== CERTIFICATIONS SECTION ===== */
.certifications {
    padding: 6rem 4%;
    background: var(--light-bg);
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.cert-badge {
    background: linear-gradient(135deg, #F9F9F9 0%, #FFFFFF 100%);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
}

.cert-badge:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(255, 107, 53, 0.2);
    border-color: var(--primary);
}

.cert-icon {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
}

.cert-badge p {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 600;
    line-height: 1.5;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 5rem 4%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    text-align: center;
    max-width: 1400px;
    margin: 4rem auto;
    border-radius: 24px;
    color: white;
    box-shadow: 0 20px 60px rgba(255, 107, 53, 0.3);
}

.cta-section h2 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    font-weight: 950;
    letter-spacing: -0.5px;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

/* ===== FOOTER ===== */
footer {
    background: var(--dark-bg);
    color: white;
    padding: 5rem 4% 2rem;
}

.footer-wrapper {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3.5rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1.8rem;
    color: white;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-section h3::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    margin-top: 0.8rem;
    border-radius: 2px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1.5rem;
}

.footer-logo-svg {
    width: 45px;
    height: 45px;
}

.footer-logo-text {
    font-size: 1.3rem;
    font-weight: 950;
    color: white;
}

.footer-desc {
    color: #AAAAAA;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-icon {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-weight: 700;
    font-size: 1.2rem;
    border: 1px solid rgba(255, 107, 53, 0.3);
}

.social-icon:hover {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    transform: translateY(-4px);
    border-color: var(--primary);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links a {
    color: #AAAAAA;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 0.5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
}

.contact-item {
    color: #AAAAAA;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.contact-icon {
    color: var(--primary);
    font-weight: 700;
    min-width: 24px;
    font-size: 1.2rem;
}

/* ===== CONTACT FORM ===== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    color: white;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #666666;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 107, 53, 0.1);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 110px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.submit-btn {
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-size: 1rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(255, 107, 53, 0.3);
}

.submit-btn:active {
    transform: translateY(0px);
}

#formStatus {
    text-align: center;
    font-weight: 600;
    min-height: 20px;
}

#formStatus.success {
    color: var(--success);
}

#formStatus.error {
    color: #EF4444;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2.5rem;
    text-align: center;
    color: #666666;
}

.footer-bottom p {
    margin-bottom: 0.7rem;
    font-size: 0.9rem;
}

.footer-compliance {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.compliance-link {
    color: #666666;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.compliance-link:hover {
    color: var(--primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-text h1 {
        font-size: 3rem;
    }

    .hero-image {
        height: 450px;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 1rem 1.5rem;
    }

    nav ul {
        gap: 1rem;
        font-size: 0.85rem;
    }

    .hero {
        margin-top: 70px;
        padding: 2rem 1.5rem;
    }

    .hero-text h1 {
        font-size: 2.3rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

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

    nav {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    nav ul {
        width: 100%;
        flex-direction: column;
        gap: 0.5rem;
    }

    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-compliance {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    nav {
        padding: 0.8rem 1rem;
    }

    .logo-svg {
        width: 40px;
        height: 40px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .hero {
        padding: 2rem 1.5rem;
        margin-top: 70px;
    }

    .hero-text h1 {
        font-size: 1.8rem;
    }

    .hero-text p {
        font-size: 1rem;
    }

    .categories,
    .features,
    .certifications {
        padding: 3rem 1.5rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

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

    .trust-badges {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .btn {
        padding: 0.95rem 2rem;
        font-size: 0.95rem;
    }

    .footer-grid {
        gap: 2rem;
    }

    .contact-form {
        gap: 1rem;
    }
}