/*
 * Modern Gradient & Glassmorphism Theme for Digital Marketing Agency
 * Version: 3.0
 * Author: AI Assistant
 * Description: A fully static, responsive, and animation-free stylesheet.
 */

/* ---------------------------------- */
/* #region CSS Custom Properties (Theme) */
/* ---------------------------------- */
:root {
  /* Colors */
  --color-gradient-start: #667eea;
  --color-gradient-end: #764ba2;
  --color-background: #f8f9fa;
  --color-surface: #ffffff;
  --color-text-primary: #212529;
  --color-text-secondary: #6c757d;
  --color-border: #dee2e6;
  --color-primary-accent: #6a5acd;
  /* SlateBlue */
  --color-white: #ffffff;

  /* Typography */
  --font-family-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-weight-normal: 400;
  --font-weight-bold: 700;
  --line-height-base: 1.65;
  --line-height-heading: 1.2;

  /* Sizing & Spacing */
  --spacing-xs: 0.25rem;
  /* 4px */
  --spacing-sm: 0.5rem;
  /* 8px */
  --spacing-md: 1rem;
  /* 16px */
  --spacing-lg: 1.5rem;
  /* 24px */
  --spacing-xl: 2rem;
  /* 32px */
  --spacing-xxl: 4rem;
  /* 64px */
  --spacing-section: 6rem;
  /* 96px */

  /* Borders & Shadows */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --box-shadow-soft: 0 4px 6px rgba(0, 0, 0, 0.05);
  --box-shadow-medium: 0 10px 20px rgba(0, 0, 0, 0.07);

  /* Layout */
  --container-max-width: 1140px;
  --header-height: 70px;
}

/* #endregion */

/* ---------------------------------- */
/* #region Base & Reset */
/* ---------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-family-sans);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-base);
  overflow-x: hidden;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-heading);
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 2.75rem;
}

h2 {
  font-size: 2.25rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

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

a:hover {
  text-decoration: underline;
}

ul {
  list-style-position: outside;
  padding-left: var(--spacing-lg);
}

/* #endregion */

/* ---------------------------------- */
/* #region Layout & Helpers */
/* ---------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.section-padding {
  padding-top: var(--spacing-section);
  padding-bottom: var(--spacing-section);
}

.section-header {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  margin-bottom: var(--spacing-xxl);
}

.section-title {
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: 1.125rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* #endregion */

/* ---------------------------------- */
/* #region Header & Navigation */
/* ---------------------------------- */
.site-header {
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  left: 0;
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
}

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

.logo-container img {
  height: 90px;
}

/* Mobile Menu Toggle */
.menu-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  display: block;
  height: 40px;
  width: 40px;
  position: relative;
  z-index: 1001;
}

.hamburger-icon,
.hamburger-icon::before,
.hamburger-icon::after {
  background-color: var(--color-text-primary);
  content: '';
  display: block;
  height: 2px;
  position: absolute;
  width: 24px;
  left: 8px;
}

.hamburger-icon {
  top: 19px;
}

.hamburger-icon::before {
  top: -7px;
}

.hamburger-icon::after {
  top: 7px;
}

.menu-toggle[aria-expanded="true"] .hamburger-icon {
  background-color: transparent;
}

.menu-toggle[aria-expanded="true"] .hamburger-icon::before {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger-icon::after {
  transform: translateY(-7px) rotate(-45deg);
}

/* Navigation Menu */
.nav-menu {
  background-color: var(--color-surface);
  display: none;
  flex-direction: column;
  list-style: none;
  padding: 0;
  position: absolute;
  top: var(--header-height);
  left: 0;
  width: 100%;
  border-top: 1px solid var(--color-border);
}

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

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

.nav-link {
  color: var(--color-text-primary);
  display: block;
  font-weight: 500;
  padding: var(--spacing-md) var(--spacing-lg);
}

.nav-link.is-active,
.nav-link:hover {
  color: var(--color-primary-accent);
  background-color: var(--color-background);
  text-decoration: none;
}

/* #endregion */

/* ---------------------------------- */
/* #region Buttons */
/* ---------------------------------- */
.btn {
  border-radius: var(--border-radius-md);
  cursor: pointer;
  display: inline-block;
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  padding: 14px 28px;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  color: var(--color-white);
  background-image: linear-gradient(to right, var(--color-gradient-start), var(--color-gradient-end));
  background-size: 200% auto;
}

.btn-primary:hover {
  background-position: right center;
  text-decoration: none;
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-primary);
}

.btn-secondary:hover {
  background-color: var(--color-background);
  border-color: #ced4da;
  text-decoration: none;
}

.btn-large {
  font-size: 1.125rem;
  padding: 16px 32px;
}

/* #endregion */

/* ---------------------------------- */
/* #region Gradient & Glass Effects */
/* ---------------------------------- */
.hero-background-gradient {
  background-image: linear-gradient(120deg, var(--color-gradient-start), var(--color-gradient-end));
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  opacity: 0.8;
}

.gradient-text {
  background-image: linear-gradient(120deg, var(--color-gradient-start), var(--color-gradient-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.glass-card {
  background-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--box-shadow-medium);
}

/* #endregion */

/* ---------------------------------- */
/* #region Hero Section */
/* ---------------------------------- */
.hero-section {
  color: var(--color-white);
  padding-top: var(--spacing-xxl);
  padding-bottom: var(--spacing-xxl);
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

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

.hero-title {
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-visual {
  display: none;
}

.hero-visual-card {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-visual-card h4 {
  color: var(--color-white);
}

.hero-visual-card p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}

/* #endregion */

/* ---------------------------------- */
/* #region Services Section */
/* ---------------------------------- */
.services-section {
  background-color: #f1f3f5;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

.card-title {
  margin-bottom: var(--spacing-sm);
}

.card-description {
  margin-bottom: var(--spacing-lg);
}

.card-feature-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: var(--spacing-lg);
}

.card-feature-list li {
  padding-left: 1.5em;
  position: relative;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

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

.card-link {
  font-weight: var(--font-weight-bold);
}

/* #endregion */

/* ---------------------------------- */
/* #region Why Us Section */
/* ---------------------------------- */
.why-us-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

.why-us-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-md);
  text-align: center;
}

.why-us-title {
  font-size: 1.5rem;
}

.why-us-description {
  font-size: 1rem;
  margin-bottom: 0;
}

/* #endregion */

/* ---------------------------------- */
/* #region Testimonials Section */
/* ---------------------------------- */
.testimonials-section {
  background-image: linear-gradient(to top, #f1f3f5, var(--color-background));
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

.testimonial-card {
  padding: var(--spacing-xl);
}

.testimonial-text {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

.testimonial-author {
  font-style: normal;
}

.author-name {
  display: block;
  font-weight: var(--font-weight-bold);
}

.author-title {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* #endregion */

/* ---------------------------------- */
/* #region Tools Section */
/* ---------------------------------- */
.tools-section {
  background-color: #e9ecef;
}

.tools-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xxl);
}

.tool-container {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-soft);
}

.tool-title {
  font-size: 1.75rem;
}

.tool-description {
  margin-bottom: var(--spacing-xl);
}

/* Calculator */
.calculator-form .form-group {
  margin-bottom: var(--spacing-md);
}

.calculator-results {
  background-color: var(--color-background);
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-border);
}

/* Report Mockup */
.report-mockup {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.report-header {
  background-color: var(--color-background);
  padding: var(--spacing-md);
}

.report-header h4 {
  margin-bottom: 0;
}

.report-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.report-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.report-item span {
  color: var(--color-text-secondary);
}

.report-item strong {
  color: var(--color-text-primary);
}

/* #endregion */

/* ---------------------------------- */
/* #region CTA Section */
/* ---------------------------------- */
.cta-section {
  color: var(--color-white);
  padding: var(--spacing-section) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

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

.cta-title {
  color: var(--color-white);
}

.cta-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  max-width: 650px;
  margin: 0 auto var(--spacing-xl);
}

/* #endregion */

/* ---------------------------------- */
/* #region Footer */
/* ---------------------------------- */
.site-footer {
  background-color: #212529;
  color: #adb5bd;
  padding-top: var(--spacing-xxl);
  padding-bottom: var(--spacing-xl);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-heading {
  color: var(--color-white);
  font-size: 1.1rem;
}

.footer-logo img {
  height: 90px;
  margin-bottom: var(--spacing-md);
  filter: brightness(1) invert(1);
}

#footer-about p {
  color: #adb5bd;
}

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a,
.footer-address a {
  color: #adb5bd;
}

.footer-links a:hover,
.footer-address a:hover {
  color: var(--color-white);
}

.footer-address {
  font-style: normal;
  line-height: 1.8;
}

.footer-bottom {
  border-top: 1px solid #343a40;
  padding-top: var(--spacing-xl);
  text-align: center;
}

.footer-bottom p {
  margin-bottom: 0;
  color: #6c757d;
}

/* #endregion */

/* ---------------------------------- */
/* #region Other Pages (Contact, Legal) */
/* ---------------------------------- */
.page-header-section {
  color: var(--color-white);
  padding: var(--spacing-xxl) 0;
  position: relative;
  text-align: center;
}

.page-title {
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.page-subtitle {
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto;
}

.contact-page-section {
  background-color: var(--color-background);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

.contact-form-container {
  padding: var(--spacing-xl);
}

.form-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.form-input {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 12px;
  width: 100%;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary-accent);
  box-shadow: 0 0 0 2px rgba(106, 90, 205, 0.2);
}

.contact-details-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
}

.contact-details-card h3 {
  margin-bottom: var(--spacing-lg);
}

.contact-details-card address {
  font-style: normal;
  line-height: 1.8;
}

.legal-page-content {
  padding: var(--spacing-xxl);
}

.legal-page-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

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

.live-chat-mockup {
  display: none;
}

/* Simplified for this example */
/* #endregion */

/* ---------------------------------- */
/* #region Media Queries */
/* ---------------------------------- */
@media (min-width: 576px) {
  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.5rem;
  }
}

@media (min-width: 768px) {

  /* Layout */
  .section-padding {
    padding-top: var(--spacing-section);
    padding-bottom: var(--spacing-section);
  }

  /* Navigation */
  .menu-toggle {
    display: none;
  }

  .nav-menu {
    background-color: transparent;
    border-top: none;
    display: flex;
    flex-direction: row;
    position: static;
    width: auto;
  }

  .nav-item {
    border-bottom: none;
    margin-left: var(--spacing-md);
  }

  .nav-link {
    background-color: transparent;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .nav-link.is-active,
  .nav-link:hover {
    background-color: transparent;
    text-decoration: none;
    color: var(--color-primary-accent);
  }

  /* Hero */
  .hero-section {
    padding-top: var(--spacing-section);
    padding-bottom: var(--spacing-section);
  }

  .hero-container {
    grid-template-columns: 3fr 2fr;
  }

  .hero-content {
    text-align: left;
  }

  .hero-subtitle {
    margin-left: 0;
  }

  .hero-visual {
    display: block;
  }

  /* Grids */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-us-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }

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

  .contact-layout {
    grid-template-columns: 2fr 1fr;
  }
}

@media (min-width: 992px) {
  h1 {
    font-size: 3.5rem;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

/* #endregion */