/*
    Digital Marketing Agency - Enterprise Clarity Theme
    Author: AI Assistant
    Version: 11.0.0
*/
:root {
    --color-primary: #1E40AF;
    /* Deep Blue */
    --color-secondary: #3B82F6;
    /* Bright Blue */
    --color-dark: #111827;
    --color-text: #374151;
    --color-text-light: #6B7280;
    --color-background: #FFFFFF;
    --color-light-bg: #F9FAFB;
    --color-border: #E5E7EB;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    color: var(--color-dark);
    font-weight: 800;
    line-height: 1.2;
}

h1 {
    font-size: 3.25rem;
}

h2 {
    font-size: 2.25rem;
}

h3 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 600;
}

a:hover {
    text-decoration: underline;
}

ul {
    list-style: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid;
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #FFF;
}

.btn-primary:hover {
    background-color: #1D4ED8;
    border-color: #1D4ED8;
    text-decoration: none;
}

.btn-secondary {
    background-color: #FFF;
    border-color: var(--color-border);
    color: var(--color-dark);
}

.btn-secondary:hover {
    background-color: var(--color-light-bg);
    text-decoration: none;
}

.btn-large {
    padding: 14px 32px;
    font-size: 1.1rem;
}

.tagline {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 3.5rem;
}

.site-header {
    background: var(--color-background);
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo img {
    height: 70px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-menu a {
    font-weight: 600;
    color: var(--color-dark);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-dark);
    margin: 6px 0;
}

.hero {
    padding: 11rem 0;
    text-align: center;
    background-color: var(--color-light-bg);
    height: 90vh;
}

.hero-content {
    max-width: 750px;
    margin: 0 auto;
}

.hero-title {
    margin: 1rem 0;
}

.hero-subtitle {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    color: var(--color-text-light);
}

.hero-benefits {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    font-weight: 500;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.results-section {
    padding: 3rem 0;
    border-bottom: 1px solid var(--color-border);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.result-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.result-label {
    color: var(--color-text-light);
}

.services-section,
.difference-section,
.case-study-section,
.engagement-section,
.faq-section {
    padding: 6rem 0;
}

.services-section {
    background-color: var(--color-light-bg);
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    background: none;
    border: 1px solid var(--color-border);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
}

.tab-btn.active {
    background-color: var(--color-primary);
    color: #FFF;
    border-color: var(--color-primary);
}

.tab-pane {
    display: none;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.tab-pane.active {
    display: block;
}

.difference-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.difference-content li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 1rem;
}

.difference-content li::before {
    content: '✓';
    color: var(--color-primary);
    position: absolute;
    left: 0;
}

.difference-image-stack {
    position: relative;
    height: 350px;
}

.image-card-1,
.image-card-2 {
    position: absolute;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.image-card-1 {
    width: 70%;
    height: 300px;
    top: 0;
    left: 0;
    background: url('https://images.unsplash.com/photo-1542744173-8e7e53415bb0?q=80&w=2670&auto=format&fit=crop') center/cover;
}

.image-card-2 {
    width: 60%;
    height: 250px;
    bottom: 0;
    right: 0;
    background: url('https://images.unsplash.com/photo-1600880292203-757bb62b4baf?q=80&w=2670&auto=format&fit=crop') center/cover;
    border: 5px solid #FFF;
}

.case-study-section {
    background-color: var(--color-light-bg);
}

.case-study-card {
    background: #FFF;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.case-study-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--color-dark);
    color: #FFF;
    padding: 2rem;
}

.client-logo {
    height: 50px;
    width: 50px;
    background: #FFF;
    border-radius: 8px;
    padding: 5px;
}

.case-study-header h3,
.case-study-header p {
    color: #FFF;
}

.case-study-header p {
    color: var(--color-text-light);
}

.case-study-body {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.metric-block {
    padding: 2rem;
}

.metric-block:not(:last-child) {
    border-right: 1px solid var(--color-border);
}

.metric-block.results .results-grid {
    display: grid;
    gap: 1rem;
}

.metric-block.results span {
    font-size: 2rem;
    font-family: var(--font-heading);
    color: var(--color-primary);
}

.engagement-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.engagement-card {
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
}

.engagement-card.featured {
    border-color: var(--color-primary);
    border-width: 2px;
}

.faq-section {
    background-color: var(--color-light-bg);
}

.faq-container {
    max-width: 750px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    padding: 1.5rem 0;
    cursor: pointer;
    list-style: none;
}

.faq-item p {
    padding-bottom: 1.5rem;
}

.cta-section {
    background-color: var(--color-dark);
    color: #FFF;
    padding: 5rem 0;
    text-align: center;
}

.cta-section h2,
.cta-section p {
    color: #FFF;
}

.cta-section .btn-primary {
    background-color: #FFF;
    color: var(--color-dark);
}

.site-footer {
    background-color: var(--color-dark);
    color: #9CA3AF;
    padding: 4rem 0 2rem;
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 40px;
    margin-bottom: 1rem;
}

.footer-links h4 {
    color: #FFF;
    margin-bottom: 1rem;
}

.footer-links a,
.footer-contact p {
    color: #9CA3AF;
    font-weight: 400;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #374151;
    padding-top: 2rem;
}

.page-header {
    padding: 4rem 0;
    background-color: var(--color-light-bg);
    text-align: center;
}

.page-header p {
    max-width: 600px;
    margin: 1rem auto 0;
    color: var(--color-text-light);
}

.contact-page-content,
.legal-page-content {
    padding: 5rem 0;
}

.contact-form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: #FFF;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: flex;
    gap: 1.5rem;
}

.form-row .form-group {
    flex: 1;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
}

.legal-content-container {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content-container h2 {
    margin-top: 2rem;
}

@media(max-width: 992px) {

    .difference-grid,
    .results-grid {
        grid-template-columns: 1fr;
    }

    .case-study-body {
        grid-template-columns: 1fr;
    }

    .engagement-grid,
    .tab-buttons {
        flex-direction: column;
    }

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

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

    h2 {
        font-size: 2rem;
    }

    .nav-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #FFF;
        flex-direction: column;
        align-items: stretch;
        border-top: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
    }

    .nav-menu.is-active {
        display: flex;
    }

    .nav-menu li {
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu a {
        padding: 1rem;
        display: block;
    }

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

    .form-row {
        flex-direction: column;
        gap: 0;
    }
}