/*
Theme Name: Minimal SEO
Description: Brutalist minimalist stylesheet for SEO consulting
Version: 1.0.0
*/

/* ========================================
   CSS VARIABLES - BRUTALIST MINIMALIST
   ======================================== */

:root {
  /* Grayscale Colors - Extended Palette */
  --color-black: #000000;
  --color-gray-900: #0a0a0a;
  --color-gray-850: #141414;
  --color-gray-800: #1a1a1a;
  --color-gray-750: #262626;
  --color-gray-700: #333333;
  --color-gray-600: #4d4d4d;
  --color-gray-500: #666666;
  --color-gray-400: #999999;
  --color-gray-300: #cccccc;
  --color-gray-200: #e5e5e5;
  --color-gray-150: #ececec;
  --color-gray-100: #f5f5f5;
  --color-gray-50: #fafafa;
  --color-white: #ffffff;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --font-weight-black: 900;

  /* Font Sizes */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */
  --text-7xl: 4.5rem;      /* 72px */

  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Spacing Scale (8px base) */
  --spacing-1: 0.5rem;     /* 8px */
  --spacing-2: 1rem;       /* 16px */
  --spacing-3: 1.5rem;     /* 24px */
  --spacing-4: 2rem;       /* 32px */
  --spacing-5: 2.5rem;     /* 40px */
  --spacing-6: 3rem;       /* 48px */
  --spacing-8: 4rem;       /* 64px */
  --spacing-10: 5rem;      /* 80px */
  --spacing-12: 6rem;      /* 96px */
  --spacing-16: 8rem;      /* 128px */

  /* Border Radius */
  --radius-full: 9999px;   /* Pill shape */
  --radius-lg: 0.5rem;
  --radius-md: 0.25rem;
  --radius-sm: 0.125rem;
  --radius-none: 0;

  /* Shadows - Minimal */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

  /* Transitions - Refined Easing Curves */
  --transition-fast: 150ms cubic-bezier(0.4, 0.0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0.0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0.0, 0.2, 1);
  --ease-out: cubic-bezier(0.0, 0.0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0.0, 0.2, 1);

  /* Layout */
  --container-max-width: 1200px;
  --section-padding: var(--spacing-8);
  --section-padding-mobile: var(--spacing-4);
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

*,
*::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 {
  font-family: var(--font-family);
  font-weight: var(--font-weight-regular);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-feature-settings: "kern" 1, "liga" 1;
  font-feature-settings: "kern" 1, "liga" 1;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-black);
  line-height: var(--leading-tight);
  color: var(--color-black);
  margin-bottom: var(--spacing-3);
  font-feature-settings: "kern" 1, "liga" 1;
}

h1 {
  font-size: var(--text-6xl);
  margin-bottom: var(--spacing-4);
  letter-spacing: -0.03em;
}

h2 {
  font-size: var(--text-5xl);
  letter-spacing: -0.025em;
}

h3 {
  font-size: var(--text-4xl);
  letter-spacing: -0.02em;
}

h4 {
  font-size: var(--text-3xl);
  letter-spacing: -0.018em;
}

h5 {
  font-size: var(--text-2xl);
  letter-spacing: -0.015em;
}

h6 {
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
}

p {
  margin-bottom: var(--spacing-3);
}

a {
  color: var(--color-black);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--color-gray-400);
  text-underline-offset: 3px;
  transition: all var(--transition-fast);
}

a:hover {
  opacity: 0.7;
  text-decoration-color: var(--color-black);
}

strong, b {
  font-weight: var(--font-weight-bold);
}

em, i {
  font-style: italic;
}

ul, ol {
  margin-left: var(--spacing-4);
  margin-bottom: var(--spacing-3);
}

li {
  margin-bottom: var(--spacing-1);
}

blockquote {
  border-left: 4px solid var(--color-black);
  padding-left: var(--spacing-3);
  margin: var(--spacing-4) 0;
  font-style: italic;
  color: var(--color-gray-600);
}

/* ========================================
   FOCUS & SELECTION STATES
   ======================================== */

/* Focus visible for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--color-black);
  outline-offset: 3px;
}

/* Custom text selection */
::selection {
  background-color: var(--color-black);
  color: var(--color-white);
}

::-moz-selection {
  background-color: var(--color-black);
  color: var(--color-white);
}

/* ========================================
   LAYOUT
   ======================================== */

.container {
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-3);
  padding-right: var(--spacing-3);
}

.section {
  padding: var(--section-padding) 0;
}

.section-sm {
  padding: var(--spacing-8) 0;
}

.section-lg {
  padding: var(--spacing-16) 0;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-4);
}

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

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

.grid-gap-sm {
  gap: var(--spacing-2);
}

.grid-gap-lg {
  gap: var(--spacing-6);
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

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

.justify-between {
  justify-content: space-between;
}

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

.gap-2 {
  gap: var(--spacing-2);
}

.gap-3 {
  gap: var(--spacing-3);
}

.gap-4 {
  gap: var(--spacing-4);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.site-header {
  background-color: var(--color-white);
  border-bottom: 2px solid var(--color-black);
  padding: var(--spacing-3) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.site-logo {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-black);
  text-decoration: none;
  color: var(--color-black);
  letter-spacing: -0.03em;
}

.site-logo:hover {
  opacity: 1;
}

.primary-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  gap: var(--spacing-4);
  min-width: 350px;
}

.primary-nav a {
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--text-base);
  padding: var(--spacing-1) 0;
  position: relative;
}

.primary-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-black);
  transition: width 300ms var(--ease-out);
}

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

.primary-nav a:hover {
  opacity: 1;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 32px;
  height: 24px;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  z-index: 2000;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-black);
  transition: all 250ms cubic-bezier(0.4, 0.0, 0.2, 1);
}

.mobile-menu-toggle.is-active .hamburger-line:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
}

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

.mobile-menu-toggle.is-active .hamburger-line:nth-child(3) {
  transform: translateY(-11px) rotate(-45deg);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-block;
  padding: var(--spacing-2) var(--spacing-5);
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  text-align: center;
  border: 2px solid var(--color-black);
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--color-gray-800);
  opacity: 1;
  transform: translateY(-2px) scale(1.01);
}

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

.btn-secondary:hover {
  background-color: var(--color-black);
  color: var(--color-white);
  opacity: 1;
  transform: translateY(-2px) scale(1.01);
}

.btn-lg {
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--text-lg);
}

.btn-sm {
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--text-sm);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  padding: var(--spacing-8) 0;
  border-bottom: 2px solid var(--color-gray-200);
}

.hero-grid {
  display: block;
  max-width: 800px;
}

.hero-content h1 {
  margin-bottom: var(--spacing-3);
}

.hero-intro {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-2);
}

.hero-tagline {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-5);
  line-height: var(--leading-normal);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-3);
  flex-wrap: wrap;
  margin-top: var(--spacing-5);
  margin-bottom: var(--spacing-6);
}

.hero-image {
  display: none;
}

.hero-image img {
  display: none;
}

/* ========================================
   STATS SECTION
   ======================================== */

.stats-section {
  background-color: var(--color-gray-100);
  border-top: 2px solid var(--color-black);
  border-bottom: 2px solid var(--color-black);
  margin-top: calc(var(--spacing-8) * -0.5);
}

.stats-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-8);
}

.stats-intro h2 {
  margin-bottom: var(--spacing-2);
}

.stats-intro p {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.stat-card {
  text-align: center;
  padding: var(--spacing-5);
  background-color: var(--color-white);
  border: 2px solid var(--color-black);
}

.stat-icon {
  font-size: var(--text-5xl);
  margin-bottom: var(--spacing-2);
}

.stat-number {
  font-size: var(--text-6xl);
  font-weight: var(--font-weight-black);
  line-height: var(--leading-none);
  color: var(--color-black);
  margin-bottom: var(--spacing-1);
}

.stat-label {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about-section .container {
  max-width: 900px;
}

.about-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.about-content {
  display: block;
  max-width: 900px;
  margin: 0 auto;
}

.about-image {
  display: none;
}

.about-image img {
  display: none;
}

.about-text h3 {
  margin-bottom: var(--spacing-3);
}

.about-text p {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-gray-700);
}

.about-callout {
  margin-top: var(--spacing-4);
  padding: var(--spacing-4);
  background-color: var(--color-gray-100);
  border-left: 4px solid var(--color-black);
}

.about-callout h4 {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-2);
}

.about-callout p {
  margin-bottom: 0;
  font-size: var(--text-base);
}

/* ========================================
   SERVICES SECTION
   ======================================== */

.services-section {
  background-color: var(--color-gray-100);
  border-top: 2px solid var(--color-black);
}

.services-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-8);
}

.services-intro h2 {
  margin-bottom: var(--spacing-2);
}

.services-intro p {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-4);
}

.service-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-black);
  padding: var(--spacing-5);
  text-decoration: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 8px 8px 0 var(--color-black);
  opacity: 1;
}

.service-card:active {
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 var(--color-black);
}

.service-icon {
  display: none;
}

.service-card h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-2);
}

.service-card p {
  color: var(--color-gray-600);
  margin-bottom: 0;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
  background-color: var(--color-black);
  color: var(--color-white);
  border-top: 2px solid var(--color-black);
  border-bottom: 2px solid var(--color-black);
}

.cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-2);
}

.cta-content h3 {
  color: var(--color-gray-300);
  font-weight: var(--font-weight-medium);
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-3);
}

.cta-content p {
  color: var(--color-gray-300);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-5);
}

.cta-section .btn-primary {
  background-color: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-white);
}

.cta-section .btn-primary:hover {
  background-color: var(--color-gray-200);
  border-color: var(--color-gray-200);
}

/* ========================================
   CONTACT SECTION & FORMS
   ======================================== */

.contact-section {
  background-color: var(--color-gray-100);
}

.contact-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-8);
}

.contact-intro h2 {
  margin-bottom: var(--spacing-2);
}

.contact-intro p {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
}

.contact-email-box {
  text-align: center;
  padding: var(--spacing-4);
  background-color: var(--color-white);
  border: 2px solid var(--color-black);
  margin-bottom: var(--spacing-8);
}

.contact-email-box a {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  text-decoration: none;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--color-white);
  padding: var(--spacing-6);
  border: 2px solid var(--color-black);
}

.form-group {
  margin-bottom: var(--spacing-4);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-base);
  margin-bottom: var(--spacing-1);
  color: var(--color-black);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-2);
  font-family: var(--font-family);
  font-size: var(--text-base);
  border: 2px solid var(--color-gray-300);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-black);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

.form-submit {
  width: 100%;
}

/* ========================================
   FOOTER
   ======================================== */

.site-footer {
  background-color: var(--color-black);
  color: var(--color-gray-300);
  padding: var(--spacing-6) 0;
  border-top: 2px solid var(--color-black);
}

.site-footer .container {
  text-align: center;
}

.site-footer p {
  margin-bottom: 0;
  font-size: var(--text-sm);
}

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

/* ========================================
   SERVICE PAGES
   ======================================== */

.service-hero {
  padding: var(--spacing-10) 0;
  border-bottom: 2px solid var(--color-gray-200);
}

.service-hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-8);
  align-items: center;
}

.service-label {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-2);
}

.service-hero h1 {
  margin-bottom: var(--spacing-3);
}

.service-lead {
  font-size: var(--text-xl);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-5);
}

.service-hero-image img {
  width: 100%;
  height: auto;
  border: 2px solid var(--color-black);
}

.service-content-wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-8);
  align-items: start;
}

.service-main {
  padding-right: var(--spacing-4);
}

.service-intro {
  margin-bottom: var(--spacing-6);
}

.service-intro h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--spacing-3);
}

.service-section {
  margin-bottom: var(--spacing-6);
}

.service-section h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-2);
}

.features-list {
  display: grid;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
}

.feature-item {
  display: flex;
  gap: var(--spacing-3);
  padding: var(--spacing-3);
  background-color: var(--color-gray-100);
  border-left: 4px solid var(--color-black);
}

.feature-icon {
  font-size: var(--text-3xl);
  flex-shrink: 0;
}

.feature-content h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-1);
}

.feature-content p {
  margin-bottom: 0;
  color: var(--color-gray-600);
}

.checklist {
  margin-bottom: var(--spacing-6);
}

.checklist h3 {
  margin-bottom: var(--spacing-3);
}

.checklist ul {
  list-style: none;
  margin-left: 0;
}

.checklist li {
  padding-left: var(--spacing-4);
  position: relative;
  margin-bottom: var(--spacing-2);
  font-size: var(--text-lg);
}

.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
}

.service-cta-box {
  padding: var(--spacing-5);
  background-color: var(--color-gray-100);
  border: 2px solid var(--color-black);
  text-align: center;
  margin-top: var(--spacing-6);
}

.service-cta-box h3 {
  margin-bottom: var(--spacing-2);
}

.service-cta-box p {
  margin-bottom: var(--spacing-4);
  color: var(--color-gray-600);
}

.service-sidebar {
  position: sticky;
  top: calc(var(--spacing-8) + 60px);
}

.sidebar-card {
  background-color: var(--color-gray-100);
  border: 2px solid var(--color-black);
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.sidebar-card h4 {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-2);
}

.sidebar-card p {
  margin-bottom: var(--spacing-3);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.sidebar-card.cta-card {
  background-color: var(--color-black);
  color: var(--color-white);
}

.sidebar-card.cta-card h4 {
  color: var(--color-white);
}

.sidebar-card.cta-card p {
  color: var(--color-gray-300);
}

/* ========================================
   CONTACT PAGE
   ======================================== */

.contact-hero {
  text-align: center;
  padding: var(--spacing-10) 0;
  border-bottom: 2px solid var(--color-gray-200);
}

.contact-hero-image {
  max-width: 300px;
  margin: 0 auto var(--spacing-4);
}

.contact-hero-image img {
  width: 100%;
  height: auto;
  border-radius: 50%;
  border: 4px solid var(--color-black);
}

.contact-panel {
  background-color: var(--color-gray-100);
  border: 2px solid var(--color-black);
  padding: var(--spacing-5);
  text-align: center;
  max-width: 600px;
  margin: var(--spacing-6) auto;
}

.contact-panel h3 {
  margin-bottom: var(--spacing-2);
}

.contact-panel-email {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  margin: var(--spacing-3) 0;
}

.quick-links {
  display: flex;
  gap: var(--spacing-2);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-4);
}

.faq-section {
  margin-top: var(--spacing-10);
}

.faq-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-6);
}

.faq-item {
  background-color: var(--color-white);
  border: 2px solid var(--color-black);
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-3);
}

.faq-question {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-2);
}

.faq-answer {
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

/* ========================================
   TIMELINE DIVIDERS
   ======================================== */

.timeline-wrapper {
  width: 100%;
  background: var(--color-black);
  overflow: hidden;
  position: relative;
}

.timeline-divider {
  background: var(--color-black);
  color: var(--color-white);
  text-align: center;
  padding: 1rem 0;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  margin: 0;
  width: 100%;
  box-sizing: border-box;
  white-space: nowrap;
  display: block;
  line-height: 1.2;
}

.timeline-scroll {
  display: inline-block;
  animation: scroll-timeline 60s linear infinite;
  will-change: transform;
}

.timeline-scroll span {
  display: inline-block;
}

@keyframes scroll-timeline {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Pause animation on hover */
.timeline-wrapper:hover .timeline-scroll {
  animation-play-state: paused;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
  :root {
    --text-6xl: 3rem;
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
  }

  .hero-grid,
  .service-hero-grid,
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }

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

  .service-sidebar {
    position: static;
  }

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

  .stats-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: var(--spacing-4);
    --text-6xl: 2.5rem;
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
  }

  /* Show hamburger menu on mobile */
  .mobile-menu-toggle {
    display: flex;
  }

  /* Hide desktop navigation, show as mobile overlay */
  .primary-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-white);
    transform: translateX(100%);
    transition: transform 250ms cubic-bezier(0.4, 0.0, 0.2, 1);
    z-index: 1500;
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 2px solid var(--color-black);
  }

  .primary-nav.is-open {
    transform: translateX(0);
  }

  .primary-nav ul {
    flex-direction: column;
    gap: var(--spacing-5);
    text-align: center;
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .primary-nav li {
    margin: 0;
  }

  .primary-nav a {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-semibold);
    padding: var(--spacing-2) var(--spacing-4);
    display: block;
  }

  /* Prevent body scroll when menu is open */
  body.menu-open {
    overflow: hidden;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .services-grid,
  .grid-cols-2,
  .grid-cols-3 {
    grid-template-columns: 1fr;
  }

  .hero-image img {
    max-width: 300px;
  }

  /* About page timeline - mobile stacking */
  .about-timeline-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }

  .about-portrait-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }

  .about-timeline-dot {
    display: none !important;
  }

  .about-timeline-line {
    display: none !important;
  }

  /* Timeline dividers on mobile - enable horizontal scroll */
  .timeline-divider {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

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

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

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

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

.font-black {
  font-weight: var(--font-weight-black);
}

.uppercase {
  text-transform: uppercase;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

/* ========================================
   ACCESSIBILITY
   ======================================== */

.screen-reader-text {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.screen-reader-text:focus {
  position: fixed;
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  padding: var(--spacing-2);
  background-color: var(--color-black);
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  z-index: 10000;
}

/* ========================================
   REDUCED MOTION PREFERENCES
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
  .site-header,
  .site-footer,
  .btn,
  .contact-form {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }
}