/* =========================================
   1. VARIABLES & RESET
   ========================================= */
:root {
    /* Brand Colors */
    --primary: #3b82f6;
    /* Electric Blue */
    --primary-dark: #1d4ed8;
    --secondary: #f97316;
    /* Vibrant Orange */
    --accent: #8b5cf6;
    /* Purple for gradients */

    /* Dark Theme Backgrounds */
    --bg-body: #0f172a;
    /* Slate 900 */
    --bg-card: #1e293b;
    /* Slate 800 */
    --bg-darker: #020617;

    /* Text Colors */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-light: #ffffff;

    /* Spacing & Layout */
    --container-width: 1280px;
    --header-height: 80px;
    --border-radius: 12px;

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
}

/* =========================================
   2. UTILITY CLASSES
   ========================================= */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

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

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: var(--transition-fast);
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: var(--secondary);
    transition: var(--transition-fast);
    z-index: -1;
}

.btn-primary:hover::before {
    width: 100%;
}

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

/* =========================================
   3. ANIMATIONS
   ========================================= */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.visible {
    opacity: 1;
    transform: translate(0, 0);
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(59, 130, 246, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
    }
}

/* =========================================
   4. HEADER
   ========================================= */
.main-header {
    height: var(--header-height);
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.main-header.scrolled {
    height: 70px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo-container img {
    height: 45px;
    filter: invert(1);
    width: auto;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links li a {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
}

.nav-links li a:hover,
.nav-links li a.active {
    color: var(--primary);
}

.nav-links li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--secondary);
    transition: width 0.3s;
}

.nav-links li a:hover::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: white;
}

/* =========================================
   5. HERO SECTION
   ========================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, rgba(15, 23, 42, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-text h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 25px;
    font-weight: 800;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 35px;
    max-width: 500px;
}

.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* CSS 3D Illustration */
.marketing-cube {
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    transform: rotateX(20deg) rotateY(20deg);
    border-radius: 20px;
    position: relative;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.3);
}

.floating-icon {
    position: absolute;
    background: var(--bg-card);
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: bold;
    animation: float 5s ease-in-out infinite;
}

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

.icon-2 {
    bottom: 20%;
    right: 10%;
    animation-delay: 1.5s;
}

.icon-3 {
    top: 10%;
    right: 10%;
    animation-delay: 2.5s;
}

/* =========================================
   6. SERVICES SECTION
   ========================================= */
.services-section {
    background-color: var(--bg-darker);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: 25px;
    color: var(--primary);
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.learn-more {
    color: var(--secondary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* =========================================
   7. CALCULATOR SECTION
   ========================================= */
.calculator-section {
    position: relative;
}

.calc-wrapper {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 50px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.calc-inputs label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-muted);
}

.input-group {
    margin-bottom: 25px;
}

.input-group input {
    width: 100%;
    padding: 15px;
    background: var(--bg-darker);
    border: 1px solid #334155;
    color: white;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.calc-results {
    background: linear-gradient(135deg, var(--primary-dark), var(--bg-darker));
    border-radius: 12px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.result-box {
    margin-bottom: 30px;
}

.result-box h4 {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 5px;
}

.result-box .value {
    font-size: 3rem;
    font-weight: 800;
    color: white;
}

/* =========================================
   8. CAMPAIGN DASHBOARD SIMULATION
   ========================================= */
.dashboard-section {
    background: var(--bg-darker);
}

.dashboard-container {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.dashboard-tabs {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 10px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s;
}

.tab-btn.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: flex-end;
    height: 300px;
    padding: 20px;
    border-left: 2px solid #334155;
    border-bottom: 2px solid #334155;
}

.bar {
    width: 60%;
    margin: 0 auto;
    background: var(--primary);
    border-radius: 8px 8px 0 0;
    position: relative;
    transition: height 1s ease-out;
    height: 0;
}

.bar::after {
    content: attr(data-label);
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.bar:nth-child(2) {
    background: var(--secondary);
}

.bar:nth-child(3) {
    background: var(--accent);
}

/* =========================================
   9. TESTIMONIALS
   ========================================= */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 12px;
    position: relative;
}

.quote-icon {
    font-size: 4rem;
    position: absolute;
    top: 10px;
    right: 20px;
    color: rgba(255, 255, 255, 0.05);
    font-family: serif;
}

.client-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
}

.client-avatar {
    width: 50px;
    height: 50px;
    background: #334155;
    border-radius: 50%;
}

/* =========================================
   10. LEGAL & CONTACT PAGES
   ========================================= */
.legal-content {
    background: var(--bg-card);
    padding: 60px;
    border-radius: 16px;
    margin-top: 50px;
    margin-bottom: 50px;
}

.legal-content h1 {
    margin-bottom: 30px;
    color: var(--primary);
}

.legal-content h2 {
    margin-top: 30px;
    margin-bottom: 15px;
}

.legal-content p,
.legal-content ul {
    margin-bottom: 15px;
    color: var(--text-muted);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    margin-top: 50px;
}

.contact-info-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 16px;
    height: 100%;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-form {
    background: var(--bg-card);
    padding: 50px;
    border-radius: 16px;
}

textarea.form-control {
    width: 100%;
    padding: 15px;
    background: var(--bg-darker);
    border: 1px solid #334155;
    color: white;
    border-radius: 8px;
    resize: none;
    height: 150px;
}

/* =========================================
   11. FOOTER
   ========================================= */
footer {
    background: var(--bg-darker);
    padding-top: 80px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 50px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 20px;
}

.footer-col h4 {
    color: white;
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 25px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* =========================================
   12. RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text p {
        margin: 0 auto 35px;
    }

    .calc-wrapper {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--bg-card);
        flex-direction: column;
        padding: 100px 40px;
        transition: 0.4s;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

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

    .mobile-toggle {
        display: block;
        z-index: 1001;
    }

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

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
    }

    .chart-grid {
        height: 200px;
        gap: 10px;
    }
}