/*
    Digital Marketing Agency Redesign V2
    Theme: Clean, Corporate, Data-Driven
    FIX: Corrected mobile navigation visibility.
*/

/* --- 1. Root Variables & Global Styles --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --color-primary: #0057FF;
    /* Professional Blue */
    --color-secondary: #FFA500;
    /* Energetic Orange */
    --color-dark: #212529;
    /* Deep Charcoal */
    --color-body-text: #495057;
    --color-light-bg: #F8F9FA;
    --color-white: #FFFFFF;
    --color-border: #DEE2E6;

    --font-primary: 'Inter', sans-serif;
    --header-height: 80px;
    --transition-fast: 0.2s ease-in-out;
    --transition-medium: 0.4s ease-in-out;
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 8px 24px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-white);
    color: var(--color-body-text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    color: var(--color-dark);
    font-weight: 700;
    line-height: 1.3;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.1rem;
}

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--color-secondary);
}

ul {
    list-style: none;
}

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

/* --- 2. Utility & Layout --- */
.container {
    width: 90%;
    max-width: 1140px;
    margin: 0 auto;
}

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

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

.section-header {
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-body-text);
}

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

.dark-bg h1,
.dark-bg h2,
.dark-bg h3,
.dark-bg p {
    color: var(--color-white);
}

.dark-bg .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* --- 3. Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-primary:hover {
    background-color: #0048d1;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 87, 255, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--color-light-bg);
    border-color: var(--color-dark);
    color: var(--color-dark);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

/* --- 4. Header --- */
.header {
    background-color: var(--color-white);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: background-color var(--transition-medium), box-shadow var(--transition-medium);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    box-shadow: var(--shadow-soft);
    border-bottom-color: var(--color-border);
}

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

.header-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
}

.header-logo img {
    height: 45px;
    filter: invert(1);
    margin-right: 12px;
}

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--color-dark);
    font-weight: 500;
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger-line {
    width: 30px;
    height: 3px;
    background-color: var(--color-dark);
    border-radius: 3px;
    transition: all var(--transition-medium);
}

/* --- 5. Hero Section --- */
.hero-section {
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 60px;
    background-color: var(--color-light-bg);
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex-basis: 55%;
}

.hero-title {
    margin-bottom: 1.5rem;
}

.hero-title .highlight {
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 1.2rem;
    max-width: 550px;
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-visual {
    flex-basis: 40%;
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--color-primary), var(--color-secondary));
    opacity: 0.1;
    animation: pulse 4s infinite ease-in-out;
}

.visual-shape.shape-1 {
    width: 350px;
    height: 350px;
}

.visual-shape.shape-2 {
    width: 250px;
    height: 250px;
    animation-delay: 1s;
}

.visual-shape.shape-3 {
    width: 150px;
    height: 150px;
    animation-delay: 2s;
}

.hero-icon {
    position: absolute;
    font-size: 3rem;
    color: var(--color-primary);
    background-color: var(--color-white);
    padding: 20px;
    border-radius: 50%;
    box-shadow: var(--shadow-medium);
    animation: float 6s infinite ease-in-out;
}

.hero-icon.icon-1 {
    top: 10%;
    left: 15%;
    animation-delay: 0s;
}

.hero-icon.icon-2 {
    top: 50%;
    left: 70%;
    animation-delay: 1s;
}

.hero-icon.icon-3 {
    top: 70%;
    left: 5%;
    animation-delay: 2s;
}

/* --- 6. Stats Counter Section --- */
.stats-section {
    background-color: var(--color-white);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
    gap: 30px;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.stat-number::after {
    content: '%';
}

.stat-item:nth-child(2) .stat-number::after,
.stat-item:nth-child(4) .stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-body-text);
}

/* --- 7. Services Section --- */
.services-section {
    background-color: var(--color-light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 12px;
    display: flex;
    align-items: flex-start;
    gap: 25px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-medium);
}

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

.service-icon {
    font-size: 2rem;
    color: var(--color-primary);
    background-color: #e6f0ff;
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-title {
    margin-bottom: 0.5rem;
}

.service-description {
    margin-bottom: 0;
}

/* --- 8. Strategy Simulator Section --- */
.simulator-wrapper {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 50px;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 40px;
    border-radius: 12px;
}

.simulator-controls {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.control-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
}

.control-group select {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background-color: var(--color-light-bg);
}

.simulator-results {
    display: flex;
    align-items: center;
    gap: 40px;
}

.chart-container {
    max-width: 250px;
    flex-shrink: 0;
}

#recommendation-title {
    margin-bottom: 10px;
}

#recommendation-description {
    opacity: 0.8;
}

/* --- 9. Testimonials Section --- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background-color: var(--color-light-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.testimonial-rating {
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

.testimonial-quote {
    font-style: italic;
    margin-bottom: 1.5rem;
    border-left: 3px solid var(--color-primary);
    padding-left: 15px;
}

.author-name {
    font-weight: 600;
    color: var(--color-dark);
    margin: 0;
}

.author-company {
    font-size: 0.9rem;
    margin: 0;
}

/* --- 10. CTA Section --- */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(45deg, var(--color-primary), #003bb5);
}

.cta-container {
    text-align: center;
    color: var(--color-white);
}

.cta-container h2 {
    color: var(--color-white);
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.cta-container p {
    max-width: 600px;
    margin: 0 auto 2rem auto;
    opacity: 0.9;
}

.cta-container .btn-primary {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.cta-container .btn-primary:hover {
    background-color: var(--color-light-bg);
    box-shadow: 0 6px 15px rgba(255, 255, 255, 0.3);
}

/* --- 11. Footer --- */
.footer {
    background-color: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 45px;
    filter: invert(1);
    margin-right: 12px;
}

.footer-col.about p {
    margin-bottom: 1.5rem;
}

.footer-socials a {
    color: rgba(255, 255, 255, 0.7);
    margin-right: 15px;
    font-size: 1.2rem;
}

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

.footer-title {
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer-col.links ul li {
    margin-bottom: 1rem;
}

.footer-col.links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-col.links a:hover {
    color: var(--color-white);
    padding-left: 5px;
}

.footer-col.contact p {
    margin-bottom: 1rem;
}

.footer-col.contact i {
    color: var(--color-primary);
    margin-right: 10px;
}

.footer-bottom {
    padding: 25px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- 12. Contact & Legal Pages --- */
.page-header-section {
    padding: 140px 0 60px;
    background-color: var(--color-light-bg);
}

.contact-page-section .contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
}

.contact-form-container h3,
.contact-info-container h3 {
    margin-bottom: 0.5rem;
}

.contact-form-container p,
.contact-info-container p {
    margin-bottom: 2rem;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 500;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 87, 255, 0.2);
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-info-list li {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-info-list i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-top: 5px;
}

.contact-info-list h4 {
    margin: 0;
}

.contact-info-list span {
    color: var(--color-body-text);
}

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

.legal-content h2 {
    margin: 2rem 0 1rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.5rem;
}

.legal-content h2:first-of-type {
    margin-top: 0;
}

.legal-content ul {
    list-style: disc;
    margin-left: 20px;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

/* --- 13. Animations & Effects --- */
.animate-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-content .animate-in {
    transition-delay: 0.2s;
}

.hero-content .animate-in:nth-child(2) {
    transition-delay: 0.4s;
}

.hero-content .animate-in:nth-child(3) {
    transition-delay: 0.6s;
}

.hero-visual.animate-in {
    transition-delay: 0.5s;
}

.stats-grid .animate-in:nth-child(2) {
    transition-delay: 0.1s;
}

.stats-grid .animate-in:nth-child(3) {
    transition-delay: 0.2s;
}

.stats-grid .animate-in:nth-child(4) {
    transition-delay: 0.3s;
}

@keyframes pulse {
    50% {
        transform: scale(1.1);
    }
}

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

/* --- 14. Responsive Design --- */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2.2rem;
    }

    /* CORRECTED: Hide only the action button by default, not the nav menu */
    .header-action {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    /* CORRECTED: Ensure nav is a flex container but positioned off-screen */
    .header-nav {
        display: flex;
        /* This was missing, it's needed for flex properties to apply */
        position: fixed;
        top: 0;
        right: 0;
        width: 300px;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        justify-content: center;
        transform: translateX(100%);
        transition: transform var(--transition-medium);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }

    .header-nav.active {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .hamburger.active .hamburger-line:nth-child(1) {
        transform: rotate(45deg) translate(8px, 6px);
    }

    .hamburger.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .hamburger-line:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -6px);
    }

    .hero-container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-visual {
        order: 1;
        width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .services-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

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

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

    .simulator-results {
        flex-direction: column;
        text-align: center;
    }

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

    .footer-col.about,
    .footer-col.contact {
        grid-column: 1 / -1;
    }

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

@media (max-width: 576px) {
    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .section-padding {
        padding: 60px 0;
    }

    .hero-section {
        padding-top: calc(var(--header-height) + 40px);
    }

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

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

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