/* ==============================================
   J&F Smart Logistics - Enhanced CSS
   Bootstrap 5.3 | Modern UI Design
   ============================================== */

/* === CSS Variables === */
:root {
    /* Colors */
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --primary-light: #3385FF;
    --secondary: #FF6B35;
    --secondary-dark: #E85A2A;
    --dark: #0F172A;
    --dark-light: #1E293B;
    --light: #F8FAFC;
    --white: #FFFFFF;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-900: #0F172A;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00A8FF 100%);
    --gradient-secondary: linear-gradient(135deg, #FF6B35 0%, #FF8F6B 100%);
    --gradient-dark: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Fonts */
    --font-primary: 'Plus Jakarta Sans', sans-serif;
    --font-display: 'Urbanist', sans-serif;
}

/* === Global Styles === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--gray-700);
    background-color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.py-lg-6 {
    padding-top: 6rem !important;
    padding-bottom: 6rem !important;
}

/* === Navigation === */
#mainNav {
    padding: 1.25rem 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

#mainNav.scrolled {
    padding: 0.75rem 0;
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.logo-img {
    height: 50px;
    width: auto;
    transition: var(--transition);
}

.brand-info {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.5px;
}

.brand-tagline {
    font-size: 0.75rem;
    color: var(--primary-light);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: 8px;
    transition: var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.btn-primary-custom {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 0.625rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 102, 255, 0.4);
    color: var(--white);
}

/* === Hero Section === */
.hero-section {
    position: relative;
    min-height: 100vh;
    background: var(--gradient-dark);
    color: var(--white);
    overflow: hidden;
    padding-top: 80px;
    background: rgb(29, 71, 185);
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 107, 53, 0.15) 0%, transparent 50%);
    z-index: 1;
}

.hero-section .container,
.hero-section .row {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: rgba(0, 102, 255, 0.15);
    border: 1px solid rgba(0, 102, 255, 0.3);
    border-radius: 50px;
    color: var(--primary-light);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 2rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    line-height: 1.8;
}

.btn-hero-primary {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.05rem;
    box-shadow: 0 10px 25px rgba(0, 102, 255, 0.3);
    transition: var(--transition);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 102, 255, 0.4);
    color: var(--white);
}

.btn-hero-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.05rem;
    transition: var(--transition);
}

.btn-hero-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-light);
    color: var(--primary-light);
}

.stat-box {
    padding: 1rem 0;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-light);
    font-family: var(--font-display);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

/* Hero Visual */
.hero-image-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 500px;
}

.hero-main-icon {
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    transform: rotate(10deg);
    animation: float 6s ease-in-out infinite;
}

.hero-main-icon i {
    font-size: 10rem;
    color: var(--white);
    transform: rotate(-10deg);
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1.25rem 1.5rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-lg);
    color: var(--white);
    font-weight: 600;
    animation: float 4s ease-in-out infinite;
}

.floating-card i {
    font-size: 2rem;
    color: var(--primary-light);
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 5%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 15%;
    left: 5%;
    animation-delay: 2s;
}

/* Scroll Indicator */
.scroll-down {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    z-index: 3;
}

.scroll-line {
    width: 2px;
    height: 50px;
    background: linear-gradient(to bottom, transparent, var(--primary-light));
    animation: scrollAnimation 2s ease-in-out infinite;
}

/* === Section Badges & Titles === */
.section-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 102, 255, 0.05) 100%);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 50px;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    letter-spacing: -1.5px;
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* === Services Section === */
.services-section {
    background: var(--light);
}

.service-card {
    background: var(--white);
    border-radius: 24px;
    padding: 2.5rem;
    transition: var(--transition-slow);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.service-card.featured {
    background: var(--gradient-primary);
    color: var(--white);
}

.service-card.featured .service-title,
.service-card.featured .service-description {
    color: var(--white);
}

.popular-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
}

.service-icon-wrapper {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 102, 255, 0.05) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card.featured .service-icon-wrapper {
    background: rgba(255, 255, 255, 0.2);
}

.service-card:hover .service-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary);
}

.service-card.featured .service-icon {
    color: var(--white);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark);
}

.service-description {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-list {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

.service-list i {
    color: var(--primary);
    font-size: 1rem;
}

.service-card.featured .service-list i {
    color: rgba(255, 255, 255, 0.9);
}

.service-link {
    color: var(--primary);
    font-weight: 700;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.service-card.featured .service-link {
    color: var(--white);
}

.service-link:hover {
    gap: 0.75rem;
}

/* === About Section === */
.about-section {
    background: var(--white);
}

.about-image-wrapper {
    position: relative;
}

.about-image-main img {
    width: 100%;
    object-fit: cover;
}

.about-experience-badge {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    background: var(--white);
    padding: 1.75rem 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.badge-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.badge-icon i {
    font-size: 2rem;
    color: var(--white);
}

.badge-content h3 {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.badge-content p {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    margin: 0;
}

.about-dots-pattern {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 150px;
    height: 150px;
    background-image: radial-gradient(circle, var(--primary-light) 2px, transparent 2px);
    background-size: 20px 20px;
    opacity: 0.2;
    z-index: -1;
}

.about-text {
    font-size: 1.05rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--gray-100);
    border-radius: 16px;
    transition: var(--transition);
}

.about-feature:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.feature-content h5 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.feature-content p {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin: 0;
}

/* === Benefits Section === */
.benefits-section {
    background: var(--gradient-dark);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.benefits-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.benefits-section .container {
    position: relative;
    z-index: 2;
}

.benefit-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 2.5rem 2rem;
    transition: var(--transition-slow);
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-light);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.benefit-card:hover .benefit-icon {
    transform: scale(1.1) rotate(5deg);
}

.benefit-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.benefit-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--white);
}

.benefit-text {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin: 0;
}

/* === Contact Section === */
.contact-section {
    background: var(--light);
}

.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.75rem;
    background: var(--white);
    border-radius: 16px;
    border: 2px solid transparent;
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--primary-light);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.contact-item-icon {
    width: 55px;
    height: 55px;
    background: var(--gradient-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.contact-item-content h5 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.contact-item-content p {
    font-size: 1rem;
    color: var(--gray-600);
    margin: 0;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

.form-floating > .form-control {
    border-radius: 12px;
    border: 2px solid var(--gray-200);
    padding: 1rem 1.25rem;
    font-size: 1rem;
    transition: var(--transition);
}

.form-floating > .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}

.form-floating > label {
    padding: 1rem 1.25rem;
    color: var(--gray-600);
}

.form-select {
    border-radius: 12px;
    border: 2px solid var(--gray-200);
    padding: 1rem 1.25rem;
    font-size: 1rem;
}

.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}

/* === Footer === */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 5rem 0 2rem;
}

.footer-logo {
    height: 50px;
    width: auto;
}

.footer-text {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 8px;
}

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

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* === WhatsApp Button === */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2.25rem;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition);
    animation: pulse 2s ease-in-out infinite;
}

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

/* === Animations === */
@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(10deg);
    }
    50% {
        transform: translateY(-20px) rotate(10deg);
    }
}

@keyframes scrollAnimation {
    0%, 100% {
        opacity: 0;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(15px);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 8px 35px rgba(37, 211, 102, 0.6);
    }
}

/* === Responsive Design === */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-image-wrapper {
        margin-top: 3rem;
        min-height: 400px;
    }
    
    .hero-main-icon {
        width: 250px;
        height: 250px;
    }
    
    .hero-main-icon i {
        font-size: 8rem;
    }
    
    .floating-card {
        padding: 1rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .floating-card i {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .py-lg-6 {
        padding-top: 4rem !important;
        padding-bottom: 4rem !important;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .service-card {
        padding: 2rem;
    }
    
    .contact-form-wrapper {
        padding: 2rem;
    }
    
    .whatsapp-btn {
        width: 60px;
        height: 60px;
        font-size: 2rem;
        bottom: 20px;
        right: 20px;
    }
    
    .hero-image-wrapper {
        min-height: 350px;
    }
    
    .hero-main-icon {
        width: 200px;
        height: 200px;
    }
    
    .hero-main-icon i {
        font-size: 6rem;
    }
    
    .card-1, .card-2, .card-3 {
        display: none;
    }
}

@media (max-width: 576px) {
    .btn-hero-primary,
    .btn-hero-outline {
        width: 100%;
        text-align: center;
    }
    
    .stat-box {
        text-align: center;
    }
    
    .about-experience-badge {
        position: static;
        margin-top: 1rem;
    }
}