/* ============================================
   OIL & FUEL CORPORATION - MAIN STYLESHEET
   ============================================ */

/* --- CSS Variables --- */
:root {
    --primary: #ff6b00;
    --primary-dark: #e55d00;
    --primary-light: #ff8c3a;
    --secondary: #1a1a2e;
    --secondary-light: #16213e;
    --accent: #0f3460;
    --dark: #0a0a1a;
    --text: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --white: #ffffff;
    --light-bg: #f8f9fc;
    --card-bg: #ffffff;
    --border: #e8e8e8;
    --gradient: linear-gradient(135deg, #ff6b00, #ff8c3a, #ffad5c);
    --gradient-dark: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
    --shadow-orange: 0 10px 40px rgba(255, 107, 0, 0.25);
    --radius: 12px;
    --radius-lg: 20px;
    --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;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
    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;
}

/* --- Preloader --- */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--dark);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.oil-drop {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
    animation: drop 1.2s ease-in-out infinite;
    margin: 0 auto 20px;
}

@keyframes drop {
    0%, 100% { transform: rotate(-45deg) scale(1); }
    50% { transform: rotate(-45deg) scale(1.2); }
}

.loader p {
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* --- Gradient Text --- */
.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(255, 107, 0, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
    transform: translateY(-3px);
}

.btn-whatsapp {
    background: #25d366;
    color: var(--white);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background: #1ebe57;
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
}

.btn-submit {
    width: 100%;
    background: #25d366;
    color: var(--white);
    padding: 16px;
    font-size: 1.05rem;
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.25);
}

.btn-submit:hover {
    background: #1ebe57;
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.35);
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(20px);
    padding: 8px 0;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.2);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.2;
}

.logo-tagline {
    font-size: 0.7rem;
    color: var(--primary-light);
    text-transform: capitalize!important;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: 50px;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
    background: rgba(255, 107, 0, 0.15);
}

.nav-cta {
    background: var(--gradient) !important;
    color: var(--white) !important;
    padding: 10px 24px !important;
    box-shadow: var(--shadow-orange);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 0, 0.4) !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    position: relative;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    transition: var(--transition);
}

.hamburger:active {
    background: rgba(255, 107, 0, 0.15);
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: var(--white);
    border-radius: 3px;
    transition: all 0.35s cubic-bezier(0.68, -0.6, 0.32, 1.6);
    transform-origin: center;
}

.hamburger span:nth-child(1) { width: 26px; }
.hamburger span:nth-child(2) { width: 20px; }
.hamburger span:nth-child(3) { width: 26px; }

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 7px);
    width: 26px;
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(10px);
    width: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -7px);
    width: 26px;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--dark);
    overflow: hidden;
}

/* Hero Slider */
.hero-slider {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transform: scale(1.05);
    transition: opacity 1.2s ease, transform 6s ease;
}

.hero-slide.active {
    opacity: 1;
    transform: scale(1);
    animation: kenBurns 6s ease forwards;
}

@keyframes kenBurns {
    0% { transform: scale(1); }
    100% { transform: scale(1.08); }
}

/* Hero Dots */
.hero-dots {
    position: absolute;
    bottom: 75px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 12px;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: all 0.4s ease;
}

.hero-dot:hover {
    border-color: var(--primary-light);
    background: rgba(255, 107, 0, 0.3);
}

.hero-dot.active {
    background: var(--primary);
    border-color: var(--primary);
    width: 30px;
    border-radius: 50px;
    box-shadow: 0 0 12px rgba(255, 107, 0, 0.5);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 1;
}

.hero-particles .particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 107, 0, 0.3);
    border-radius: 50%;
    animation: float-particle 6s infinite ease-in-out;
}

@keyframes float-particle {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
    50% { transform: translateY(-100px) scale(1.5); opacity: 0.8; }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(to bottom, rgba(10, 10, 26, 0.7) 0%, rgba(10, 10, 26, 0.5) 50%, rgba(10, 10, 26, 0.8) 100%),
        radial-gradient(ellipse at 20% 50%, rgba(255, 107, 0, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(15, 52, 96, 0.3) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 120px 0 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 107, 0, 0.15);
    border: 1px solid rgba(255, 107, 0, 0.3);
    color: var(--primary-light);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 650px;
    margin: 0 auto 40px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-btns {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-scroll {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.hero-scroll a {
    color: rgba(255, 255, 255, 0.4);
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    background: rgba(255, 107, 0, 0.1);
    color: var(--primary);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 16px;
}

.section-line {
    width: 60px;
    height: 4px;
    background: var(--gradient);
    border-radius: 4px;
    margin: 0 auto;
}

.section-desc {
    color: var(--text-light);
    max-width: 600px;
    margin: 20px auto 0;
    font-size: 1.05rem;
}

/* --- About Section --- */
.about-section {
    padding: 100px 0;
    background: var(--light-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h3 {
    font-size: 1.6rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 30px 0;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.1rem;
}

.about-feature h4 {
    font-size: 0.95rem;
    color: var(--secondary);
    margin-bottom: 2px;
}

.about-feature p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
}

.about-image {
    position: relative;
}

.about-img-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/5;
    background: var(--gradient-dark);
}

.about-real-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.about-img-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 40%, rgba(255, 107, 0, 0.15), transparent 60%),
        radial-gradient(circle at 70% 60%, rgba(15, 52, 96, 0.3), transparent 60%);
}

.about-img-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
}

.about-img-content i {
    font-size: 5rem;
    margin-bottom: 20px;
    color: var(--primary);
}

.about-img-content h3 {
    font-size: 2rem;
    font-weight: 700;
}

.about-img-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.6);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--primary);
    color: var(--white);
    padding: 24px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-orange);
}

.exp-number {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.exp-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

/* --- Products Section --- */
.products-section {
    padding: 100px 0;
    background: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card-img {
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(255, 140, 58, 0.05));
}

.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-card-img img {
    transform: scale(1.08);
}

.product-card h3,
.product-card p,
.product-card .product-link,
.product-card .product-icon {
    margin-left: 28px;
    margin-right: 28px;
}

.product-card h3 { margin-top: 20px; }
.product-card .product-link { margin-bottom: 28px; }

.product-card .product-icon {
    margin-top: 28px;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.product-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(255, 140, 58, 0.1));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 20px;
    transition: var(--transition);
}

.product-card:hover .product-icon {
    background: var(--gradient);
    color: var(--white);
    transform: scale(1.05);
}

.product-card h3 {
    font-size: 1.15rem;
    color: var(--secondary);
    margin-bottom: 10px;
    font-weight: 600;
}

.product-card p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 20px;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 0.88rem;
    font-weight: 600;
}

.product-link:hover {
    gap: 12px;
}

.products-cta {
    text-align: center;
    margin-top: 50px;
}

/* --- Why Choose Us Section --- */
.why-section {
    padding: 100px 0;
    background: var(--secondary);
    background-image: url('images/testimonial banner.png');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    position: relative;
    overflow: hidden;
}

.why-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.08), transparent 70%);
    border-radius: 50%;
}

.why-section .section-badge {
    background: rgba(255, 107, 0, 0.2);
}

.why-section .section-header h2 {
    color: var(--white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.why-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    border-color: rgba(255, 107, 0, 0.3);
}

.why-number {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(255, 107, 0, 0.1);
}

.why-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    margin: 0 auto 24px;
    box-shadow: var(--shadow-orange);
}

.why-card h3 {
    font-size: 1.1rem;
    color: var(--white);
    margin-bottom: 12px;
    font-weight: 600;
}

.why-card p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

/* --- Inquiry / Contact Section --- */
.inquiry-section {
    padding: 100px 0;
    background: var(--light-bg);
}

.inquiry-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.inquiry-info h2 {
    font-size: 2.2rem;
    color: var(--secondary);
    margin-bottom: 16px;
}

.inquiry-info > p {
    color: var(--text-light);
    margin-bottom: 36px;
    font-size: 1rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    background: var(--gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

.contact-item h4 {
    font-size: 0.88rem;
    color: var(--secondary);
    margin-bottom: 2px;
}

.contact-item p {
    font-size: 0.88rem;
    color: var(--text-light);
}

/* --- Inquiry Form --- */
.inquiry-form-wrapper {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.inquiry-form h3 {
    font-size: 1.3rem;
    color: var(--secondary);
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.inquiry-form h3 i {
    color: var(--primary);
}

.form-group {
    position: relative;
    margin-bottom: 18px;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    font-size: 0.9rem;
    z-index: 1;
}

.textarea-icon {
    top: 20px;
    transform: none;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px 14px 48px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    color: var(--text);
    background: var(--light-bg);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.1);
}

.form-group select {
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23666' viewBox='0 0 16 16'%3E%3Cpath d='M8 12L2 6h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* --- Footer --- */
.footer {
    background: var(--dark);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.footer-logo h3 {
    color: var(--white);
    font-size: 1.2rem;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.88rem;
    line-height: 1.8;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.05rem;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.88rem;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.88rem;
}

.footer-contact li i {
    color: var(--primary);
    width: 18px;
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.85rem;
}

.footer-credit {
    margin-top: 8px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.25);
}

.footer-credit a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.footer-credit a:hover {
    color: var(--primary);
}

/* --- WhatsApp Float --- */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.8rem;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    animation: pulse-whatsapp 2s infinite;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.5);
}

@keyframes pulse-whatsapp {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 34px;
    width: 44px;
    height: 44px;
    background: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.9rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
    box-shadow: var(--shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

/* --- Animations --- */
[data-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* --- Page Header (for inner pages) --- */
.page-header {
    background: var(--gradient-dark);
    background-image: url('images/innerpage-banner.png');
    background-size: cover;
    background-position: center;
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to bottom, rgba(10, 10, 26, 0.75), rgba(10, 10, 26, 0.6)),
        radial-gradient(ellipse at 30% 50%, rgba(255, 107, 0, 0.08), transparent 50%);
}

.page-header-contact {
    background-image: url('images/contactus_banner.png');
    background-position: 25% center;
    padding: 150px 0 90px;
}

.page-header-contact::before {
    background:
        linear-gradient(to bottom, rgba(10, 10, 26, 0.6), rgba(10, 10, 26, 0.55)),
        radial-gradient(ellipse at 30% 50%, rgba(255, 107, 0, 0.08), transparent 50%);
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: 2.8rem;
    color: var(--white);
    font-weight: 800;
    margin-bottom: 12px;
}

.page-header p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.05rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.88rem;
}

.breadcrumb a {
    color: var(--primary-light);
}

.breadcrumb a:hover {
    color: var(--white);
}

/* --- Inner Page Content --- */
.inner-content {
    padding: 80px 0;
}

.about-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 60px;
}

.about-detail-content h3 {
    font-size: 1.6rem;
    color: var(--secondary);
    margin-bottom: 16px;
}

.about-detail-content p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 14px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 50px;
}

.value-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.value-card i {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.value-card h4 {
    font-size: 1.1rem;
    color: var(--secondary);
    margin-bottom: 8px;
}

.value-card p {
    font-size: 0.88rem;
    color: var(--text-light);
}

/* --- Products Page --- */
.product-detail-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-detail-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(255, 140, 58, 0.05));
}

.product-detail-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-detail-card:hover .product-detail-img img {
    transform: scale(1.08);
}

.product-detail-card h3,
.product-detail-card p,
.product-detail-card .product-tags,
.product-detail-card .btn,
.product-detail-card .product-detail-icon {
    margin-left: 32px;
    margin-right: 32px;
}

.product-detail-card h3 { margin-top: 24px; }
.product-detail-card .btn { margin-bottom: 32px; }

.product-detail-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.product-detail-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.product-detail-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(255, 140, 58, 0.05));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 24px;
    transition: var(--transition);
}

.product-detail-card:hover .product-detail-icon {
    background: var(--gradient);
    color: var(--white);
}

.product-detail-card h3 {
    font-size: 1.3rem;
    color: var(--secondary);
    margin-bottom: 12px;
}

.product-detail-card p {
    color: var(--text-light);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 10px;
}

.product-detail-card .product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0 20px;
}

.product-tag {
    background: rgba(255, 107, 0, 0.08);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
}

.product-detail-card .btn {
    padding: 10px 24px;
    font-size: 0.85rem;
}

.products-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}

/* --- Contact Quick Actions --- */
.contact-quick-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    margin-top: 28px;
    flex-wrap: wrap;
}

.quick-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.quick-action-btn i {
    font-size: 1.2rem;
}

.quick-action-whatsapp {
    background: #25d366;
    color: #fff;
    border-color: #25d366;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.35);
}

.quick-action-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.45);
}

.quick-action-call {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 8px 25px rgba(255, 107, 0, 0.35);
}

.quick-action-call:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 107, 0, 0.45);
}

.quick-action-form {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}

.quick-action-form:hover {
    background: rgba(255, 255, 255, 0.22);
    transform: translateY(-3px);
}

/* --- Contact Page --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
    margin-bottom: 20px;
}

.contact-info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: transparent;
}

.contact-info-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: var(--gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
}

.contact-info-card h4 {
    font-size: 1rem;
    color: var(--secondary);
    margin-bottom: 4px;
}

.contact-info-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* --- Contact WhatsApp CTA Banner --- */
.contact-whatsapp-cta {
    text-align: center;
    padding: 50px;
    background: #25d366;
    border-radius: var(--radius-lg);
}

.contact-whatsapp-cta > i {
    font-size: 3rem;
    color: #fff;
    margin-bottom: 16px;
}

.contact-whatsapp-cta h3 {
    color: #fff;
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.contact-whatsapp-cta p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
    font-size: 1rem;
}

.contact-wa-btn {
    background: #fff;
    color: #25d366;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.contact-wa-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3rem; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-image { order: -1; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .inquiry-wrapper { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .about-detail-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hamburger { display: flex; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        height: 100dvh;
        background: linear-gradient(180deg, #0a0a1a 0%, #1a1a2e 50%, #0f3460 100%);
        flex-direction: column;
        align-items: stretch;
        padding: 100px 24px 30px;
        gap: 6px;
        transition: right 0.4s cubic-bezier(0.23, 1, 0.32, 1);
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
        z-index: 999;
        overflow-y: auto;
    }

    .nav-links::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: var(--gradient);
    }

    .nav-links.active { right: 0; }

    .nav-links li {
        list-style: none;
        opacity: 0;
        transform: translateX(30px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-links.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-links.active li:nth-child(2) { transition-delay: 0.15s; }
    .nav-links.active li:nth-child(3) { transition-delay: 0.2s; }
    .nav-links.active li:nth-child(4) { transition-delay: 0.25s; }
    .nav-links.active li:nth-child(5) { transition-delay: 0.3s; }

    .nav-links a {
        width: 100%;
        padding: 14px 20px;
        font-size: 1rem;
        border-radius: var(--radius);
        color: rgba(255, 255, 255, 0.8);
        display: flex;
        align-items: center;
        position: relative;
    }

    .nav-links a:hover,
    .nav-links a.active {
        background: rgba(255, 107, 0, 0.12);
        color: #fff;
        padding-left: 26px;
    }

    .nav-links a.active::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 4px;
        height: 24px;
        background: var(--gradient);
        border-radius: 0 4px 4px 0;
    }

    .nav-links .nav-cta {
        margin-top: 16px;
        text-align: center;
        justify-content: center;
        padding: 16px 24px !important;
        font-size: 1rem;
        border-radius: 50px;
    }

    /* Mobile menu overlay */
    .mobile-nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 998;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
    }

    .mobile-nav-overlay.active {
        opacity: 1;
        pointer-events: all;
    }

    .hero h1 { font-size: 2.4rem; }
    .hero-subtitle { font-size: 1rem; }
    .hero-btns { flex-direction: column; }
    .hero-stats { gap: 30px; }
    .stat-number { font-size: 2rem; }
    .hero-dots { bottom: 65px; gap: 10px; }
    .hero-dot { width: 8px; height: 8px; }
    .hero-dot.active { width: 26px; }
    .section-header h2 { font-size: 2rem; }
    .products-grid { grid-template-columns: 1fr; }
    .products-detail-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .about-features { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .inquiry-form-wrapper { padding: 28px 20px; }
    .page-header h1 { font-size: 2rem; }
    .values-grid { grid-template-columns: 1fr; }

    /* Contact Page Mobile */
    .page-header-contact {
        padding: 130px 0 40px;
        background-position: 20% center;
        min-height: 380px;
        display: flex;
        align-items: center;
    }

    .page-header-contact::before {
        background:
            linear-gradient(to bottom, rgba(10, 10, 26, 0.55), rgba(10, 10, 26, 0.7)),
            radial-gradient(ellipse at 30% 50%, rgba(255, 107, 0, 0.1), transparent 50%);
    }

    .contact-quick-actions {
        flex-direction: column;
        gap: 12px;
        margin-top: 24px;
    }

    .quick-action-btn {
        justify-content: center;
        padding: 16px 24px;
        font-size: 1rem;
        width: 100%;
    }

    .quick-action-btn i {
        font-size: 1.3rem;
    }

    /* Mobile contact info cards */
    .contact-info-card {
        padding: 20px;
        margin-bottom: 14px;
        border-radius: var(--radius);
    }

    .contact-info-icon {
        width: 50px;
        height: 50px;
        min-width: 50px;
        font-size: 1.1rem;
    }

    .contact-info-card h4 { font-size: 0.95rem; }
    .contact-info-card p { font-size: 0.85rem; }

    /* Form mobile tweaks */
    .inquiry-form h3 {
        font-size: 1.15rem;
        margin-bottom: 20px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 16px 16px 16px 48px;
        font-size: 16px;
    }

    .btn-submit {
        width: 100%;
        padding: 16px 24px;
        font-size: 1rem;
    }

    /* Contact WhatsApp CTA mobile */
    .contact-whatsapp-cta {
        padding: 36px 24px;
        border-radius: var(--radius);
    }

    .contact-whatsapp-cta > i { font-size: 2.5rem; }
    .contact-whatsapp-cta h3 { font-size: 1.4rem; }
    .contact-whatsapp-cta p { font-size: 0.9rem; margin-bottom: 20px; }

    .contact-wa-btn {
        display: block;
        width: 100%;
        text-align: center;
        padding: 16px 24px;
        font-size: 1rem;
    }

    /* Contact page inner content padding */
    .inner-content { padding: 50px 0; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.9rem; }
    .hero-stats { flex-direction: column; gap: 20px; }
    .logo-name { font-size: 1rem; }
    .logo-tagline { font-size: 0.6rem; }

    /* Contact ultra-small screens */
    .page-header-contact {
        padding: 120px 0 36px;
        min-height: 360px;
        background-position: 18% center;
    }

    .page-header-contact h1 { font-size: 1.8rem; }
    .page-header-contact p { font-size: 0.9rem; }

    .quick-action-btn {
        padding: 14px 20px;
        font-size: 0.92rem;
    }

    .contact-info-card {
        flex-direction: column;
        text-align: center;
        padding: 24px 18px;
        gap: 14px;
    }

    .contact-info-card a {
        display: inline-block;
        margin-top: 4px;
    }

    .contact-whatsapp-cta {
        padding: 30px 18px;
    }

    .contact-whatsapp-cta h3 { font-size: 1.25rem; }
}