/* =====================================================
   LT DIGITAL MARKETING - Premium Design System
   Minimalist Elegance with Motion Effects
   ===================================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
  /* Colors */
  --color-black: #0a0a0a;
  --color-white: #ffffff;
  --color-gray-50: #fafafa;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e5e5e5;
  --color-gray-300: #d4d4d4;
  --color-gray-400: #a3a3a3;
  --color-gray-500: #737373;
  --color-gray-600: #525252;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;

  /* Accent colors */
  --color-accent: #2563eb;
  --color-accent-light: #3b82f6;
  --color-accent-dark: #1d4ed8;

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Dynamic Font Scale (adjusted by JS) */
  --font-scale: 1;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 5rem;
  --spacing-3xl: 8rem;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-black);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
}

p {
  font-size: 1rem;
}

.tagline {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-md);
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

.section--gray {
  background-color: var(--color-gray-50);
}

.section--dark {
  background-color: var(--color-gray-900);
  color: var(--color-white);
}

/* =====================================================
   ANIMATION UTILITIES
   ===================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

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

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

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

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s var(--transition-spring);
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

.stagger-1 {
  transition-delay: 0.1s;
}

.stagger-2 {
  transition-delay: 0.2s;
}

.stagger-3 {
  transition-delay: 0.3s;
}

.stagger-4 {
  transition-delay: 0.4s;
}

.stagger-5 {
  transition-delay: 0.5s;
}

/* =====================================================
   HEADER & NAVIGATION
   ===================================================== */
.header {
  padding: var(--spacing-lg) 0 var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
  position: relative;
  background-color: var(--color-white);
  z-index: 1000;
}

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

.header__brand {
  display: flex;
  flex-direction: column;
}

.header__actions {
  display: flex;
  align-items: center;
}

.header__phone {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  color: var(--color-black);
  margin-right: var(--spacing-sm);
  transition: color var(--transition-fast);
  font-size: 1.25rem;
}

.header__phone:hover {
  color: var(--color-accent);
}

.header__tagline {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 0.25rem;
}

.header__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4.5vw, 2.5rem);
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 0;
  position: relative;
  display: inline-block;
  letter-spacing: -0.02em;
}

.header__title span {
  color: var(--color-accent);
}

.nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--color-gray-200);
  border-bottom: 1px solid var(--color-gray-200);
  flex-wrap: wrap;
}

.nav__links {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

.nav__link {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-black);
  padding: var(--spacing-xs) 0;
  position: relative;
  overflow: hidden;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
}

.nav__link:hover::after,
.nav__link--active::after {
  transform: translateX(0);
}

.nav__link:hover {
  color: var(--color-accent);
  opacity: 1;
}

.nav__social {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  padding-left: var(--spacing-lg);
  border-left: 1px solid var(--color-gray-200);
}

.nav__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-black);
  border-radius: 50%;
  transition: var(--transition-fast);
}

.nav__social a:hover {
  color: var(--color-white);
  background-color: var(--color-accent);
  opacity: 1;
  transform: translateY(-2px);
}

/* Language Switcher */
.lang-switcher {
  position: relative;
  margin-left: var(--spacing-md);
  padding-left: var(--spacing-md);
  border-left: 1px solid var(--color-gray-200);
}

.lang-switcher__toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: transparent;
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-600);
  transition: var(--transition-fast);
}

.lang-switcher__toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.lang-switcher__toggle .fa-globe {
  font-size: 1rem;
  color: var(--color-accent);
}

.lang-switcher__arrow {
  font-size: 0.625rem;
  transition: transform 0.3s ease;
}

.lang-switcher.active .lang-switcher__arrow {
  transform: rotate(180deg);
}

.lang-switcher__dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 160px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  overflow: hidden;
}

.lang-switcher.active .lang-switcher__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-switcher__option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--color-gray-600);
  transition: var(--transition-fast);
}

.lang-switcher__option:hover {
  background: var(--color-gray-100);
  color: var(--color-black);
}

.lang-switcher__option--active {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08) 0%, rgba(102, 51, 255, 0.08) 100%);
  color: var(--color-accent);
}

.lang-switcher__code {
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  min-width: 1.5rem;
}

.lang-switcher__name {
  font-size: 0.875rem;
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero__tagline {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  line-height: 1.15;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--color-gray-600);
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.8;
}

.hero__cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 2px solid var(--color-black);
  background-color: transparent;
  color: var(--color-black);
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-black);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: -1;
}

.btn:hover {
  color: var(--color-white);
  opacity: 1;
}

.btn:hover::before {
  transform: translateX(0);
}

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

.btn--primary::before {
  background-color: var(--color-accent-dark);
}

.btn--primary:hover {
  border-color: var(--color-accent-dark);
}

.btn--large {
  padding: 1.25rem 2.5rem;
  font-size: 1rem;
}

/* =====================================================
   SERVICE CARDS
   ===================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--color-accent);
  transition: height var(--transition-slow);
}

.service-card:hover {
  border-color: var(--color-gray-300);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.service-card:hover::before {
  height: 100%;
}

.service-card__number {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 500;
  color: var(--color-gray-200);
  line-height: 1;
  margin-bottom: var(--spacing-md);
}

.service-card__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.service-card__text {
  color: var(--color-gray-600);
  line-height: 1.8;
}

/* =====================================================
   CONTENT SECTIONS
   ===================================================== */
.content-block {
  max-width: 800px;
  margin: 0 auto;
}

.content-block__title {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  position: relative;
  display: inline-block;
}

.content-block__title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
}

.content-block__text {
  font-size: 1.1rem;
  color: var(--color-gray-600);
  line-height: 1.9;
}

.content-block__text+.content-block__text {
  margin-top: var(--spacing-md);
}

/* =====================================================
   PORTFOLIO / WORK
   ===================================================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.portfolio-item {
  background: var(--color-gray-50);
  padding: var(--spacing-xl);
  position: relative;
  transition: var(--transition-normal);
  border: 1px solid transparent;
}

.portfolio-item:hover {
  background: var(--color-white);
  border-color: var(--color-gray-200);
  transform: translateY(-3px);
}

.portfolio-item__category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.portfolio-item__title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin-bottom: var(--spacing-md);
}

.portfolio-item__text {
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
}

.portfolio-item__label {
  font-weight: 600;
  color: var(--color-black);
}

/* =====================================================
   BLOG STYLES
   ===================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  padding: var(--spacing-xl);
  transition: var(--transition-normal);
  position: relative;
}

.blog-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.blog-card__category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  padding: 0.4rem 0.8rem;
  background: rgba(37, 99, 235, 0.08);
}

.blog-card__title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  line-height: 1.4;
  margin-bottom: var(--spacing-md);
}

.blog-card__title a {
  color: var(--color-black);
  transition: var(--transition-fast);
}

.blog-card__title a:hover {
  color: var(--color-accent);
  opacity: 1;
}

.blog-card__excerpt {
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.blog-card__link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-accent);
  transition: var(--transition-fast);
}

.blog-card__link:hover {
  opacity: 1;
  letter-spacing: 0.05em;
}

/* Blog Article Page */
.article {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.article__header {
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.article__category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.article__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
}

.article__tldr {
  background: var(--color-gray-50);
  border-left: 4px solid var(--color-accent);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  font-style: italic;
  color: var(--color-gray-700);
  line-height: 1.8;
}

.article__content h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.article__content p {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-lg);
}

.article__content ul,
.article__content ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.article__content li {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-sm);
}

.article__content strong {
  color: var(--color-black);
}

.article__content blockquote {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  padding: var(--spacing-xl);
  margin: var(--spacing-2xl) 0;
  font-size: 1.15rem;
  line-height: 1.7;
}

.article__content blockquote a {
  color: var(--color-white);
  text-decoration: underline;
}

.article__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-xl);
  transition: var(--transition-fast);
}

.article__back:hover {
  color: var(--color-accent);
  opacity: 1;
}

/* =====================================================
   CASE STUDY STYLES
   ===================================================== */
.case-study {
  background: var(--color-white);
  padding: var(--spacing-2xl);
  border: 1px solid var(--color-gray-200);
}

.case-study__header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-gray-200);
}

.case-study__number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.case-study__title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.case-study__services {
  color: var(--color-gray-500);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.case-study__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.case-study__block h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-black);
}

.case-study__block p {
  color: var(--color-gray-600);
  line-height: 1.8;
}

.case-study__block ul {
  list-style: none;
  padding: 0;
}

.case-study__block li {
  color: var(--color-gray-600);
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
  padding-left: 1.5rem;
  position: relative;
}

.case-study__block li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.case-study__results {
  background: var(--color-gray-50);
  padding: var(--spacing-lg);
}

.result-stats {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

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

.result-stat__number {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}

.result-stat__label {
  font-size: 0.8rem;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.tech-stack {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tech-tag {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 2px;
}

/* =====================================================
   WORKFLOW STYLES
   ===================================================== */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.workflow-step {
  text-align: center;
  padding: var(--spacing-xl);
}

.workflow-step__number {
  width: 3rem;
  height: 3rem;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
}

.workflow-step__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.workflow-step__text {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* =====================================================
   SERVICE PILLAR STYLES
   ===================================================== */
.pillar-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.pillar-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  opacity: 0.3;
}

.pillar-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.pillar-subtitle {
  color: var(--color-gray-500);
  font-size: 1.1rem;
}

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

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

.service-detail {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border: 1px solid var(--color-gray-200);
  transition: var(--transition-normal);
}

.service-detail:hover {
  border-color: var(--color-accent);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.service-detail__icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: var(--spacing-lg);
}

.service-detail__title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: var(--spacing-md);
}

.service-detail__desc {
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.service-detail__list {
  list-style: none;
  padding: 0;
}

.service-detail__list li {
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.95rem;
}

.service-detail__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

@media (max-width: 768px) {
  .services-pillar-grid {
    grid-template-columns: 1fr;
  }

  .pillar-header {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .pillar-number {
    font-size: 2rem;
  }
}

/* =====================================================
   CAPABILITIES LIST
   ===================================================== */
.capabilities-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.capability-item {
  display: block;
  padding: var(--spacing-lg);
  background: var(--color-gray-50);
  transition: var(--transition-fast);
  line-height: 1.7;
  font-size: 1rem;
}

.capability-item:hover {
  background: var(--color-gray-100);
  transform: translateX(5px);
}

.capability-item strong {
  display: block;
  color: var(--color-black);
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

/* =====================================================
   WHY US SECTION
   ===================================================== */
.why-us {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

@media (max-width: 768px) {
  .why-us {
    grid-template-columns: 1fr;
  }
}

.why-us__content h2 {
  margin-bottom: var(--spacing-lg);
}

.why-us__content p {
  font-size: 1.1rem;
  color: var(--color-gray-600);
  line-height: 1.9;
}

.why-us__visual {
  position: relative;
  height: 400px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-us__visual-text {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-lg);
}

/* =====================================================
   CONTACT FORM
   ===================================================== */
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  max-width: 1000px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .contact-section {
    grid-template-columns: 1fr;
  }
}

.contact-form {
  background: var(--color-gray-50);
  padding: var(--spacing-xl);
}

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

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 2px solid var(--color-gray-200);
  background: var(--color-white);
  transition: var(--transition-fast);
}

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

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

.contact-info__item {
  margin-bottom: var(--spacing-xl);
}

.contact-info__label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-xs);
}

.contact-info__value {
  font-size: 1.1rem;
  color: var(--color-black);
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid var(--color-gray-200);
  text-align: center;
}

.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.footer__links {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.footer__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gray-600);
  transition: var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-accent);
  opacity: 1;
}

.footer__social {
  display: flex;
  gap: var(--spacing-md);
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-gray-500);
  border: 1px solid var(--color-gray-200);
  border-radius: 50%;
  transition: var(--transition-fast);
}

.footer__social a:hover {
  color: var(--color-white);
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.footer__copyright {
  font-size: 0.85rem;
  color: var(--color-gray-400);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .nav__links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
  }

  .nav__social {
    padding-left: 0;
    border-left: none;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

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

  .hero {
    min-height: auto;
    padding: var(--spacing-2xl) 0;
  }
}

/* =====================================================
   ARSENAL/TOOLS GRID (About Page)
   ===================================================== */
.arsenal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.arsenal-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  padding: var(--spacing-xl);
  transition: var(--transition-normal);
}

.arsenal-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.arsenal-card__icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
}

.arsenal-card__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
}

.arsenal-card__list {
  list-style: none;
  padding: 0;
}

.arsenal-card__list li {
  color: var(--color-gray-600);
  padding: 0.4rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--color-gray-100);
}

.arsenal-card__list li:last-child {
  border-bottom: none;
}

/* =====================================================
   VALUES GRID (About Page)
   ===================================================== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.value-card {
  text-align: center;
  padding: var(--spacing-xl);
}

.value-card__number {
  display: inline-block;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  border-radius: 50%;
  line-height: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.value-card__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.value-card__text {
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* =====================================================
   TEAM GRID (About Page)
   ===================================================== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.team-card {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  transition: var(--transition-normal);
}

.team-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.team-card__avatar {
  width: 80px;
  height: 80px;
  background: var(--color-gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
}

.team-card__name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

.team-card__role {
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
}

.team-card__bio {
  color: var(--color-gray-600);
  font-size: 0.9rem;
  line-height: 1.7;
}

@media (max-width: 768px) {

  .arsenal-grid,
  .values-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-accent {
  color: var(--color-accent);
}

.mb-0 {
  margin-bottom: 0;
}

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

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

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

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

.mb-2xl {
  margin-bottom: var(--spacing-2xl);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}

.mt-2xl {
  margin-top: var(--spacing-2xl);
}

/* =====================================================
   HAMBURGER MENU STYLES
   ===================================================== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1001;
  position: relative;
}

.hamburger__line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-black);
  transition: var(--transition-normal);
  transform-origin: center;
}

.hamburger__line:nth-child(1) {
  margin-bottom: 6px;
}

.hamburger__line:nth-child(3) {
  margin-top: 6px;
}

/* Hamburger active state (X) */
.hamburger.active .hamburger__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active .hamburger__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* =====================================================
   COMPREHENSIVE MOBILE STYLES (< 768px)
   ===================================================== */
@media (max-width: 768px) {

  /* Dynamic Font Scaling Support */
  h1,
  .hero__title {
    font-size: calc(2rem * var(--font-scale)) !important;
    line-height: 1.2;
  }

  h2 {
    font-size: calc(1.5rem * var(--font-scale)) !important;
    line-height: 1.3;
  }

  h3 {
    font-size: calc(1.2rem * var(--font-scale)) !important;
  }

  p,
  li {
    font-size: calc(0.95rem * var(--font-scale));
  }

  /* Header Mobile */
  .header {
    padding: var(--spacing-sm) 0;
  }

  .header__title {
    font-size: 1.3rem !important;
  }

  .header__tagline {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
  }

  /* Show Hamburger */
  .hamburger {
    display: flex;
  }

  .mobile-menu-overlay {
    display: block;
  }

  /* Navigation Mobile */
  .nav {
    position: relative;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 80px var(--spacing-lg) var(--spacing-lg);
    gap: 0;
    z-index: 1000;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
  }

  .nav__links.active {
    right: 0;
  }

  .nav__link {
    font-size: 1.1rem;
    padding: var(--spacing-md) 0;
    width: 100%;
    border-bottom: 1px solid var(--color-gray-100);
  }

  .nav__social {
    position: fixed;
    bottom: 30px;
    right: 0;
    width: 80%;
    max-width: 320px;
    padding: var(--spacing-lg);
    border-left: none;
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-white);
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    justify-content: center;
    gap: var(--spacing-lg);
  }

  .nav__links.active~.nav__social,
  .nav__social.active {
    transform: translateX(0);
  }

  /* Hero Mobile */
  .hero {
    min-height: auto !important;
    padding: var(--spacing-xl) 0 !important;
  }

  .hero__content {
    text-align: center;
  }

  .hero__tagline {
    font-size: 0.7rem;
  }

  .hero__title {
    font-size: 1.8rem !important;
    line-height: 1.2;
    word-wrap: break-word;
  }

  .hero__title br {
    display: none;
  }

  .hero__subtitle {
    font-size: 0.95rem;
    padding: 0 var(--spacing-xs);
  }

  /* Buttons Mobile - Finger Friendly */
  .btn {
    min-height: 48px;
    padding: 14px 28px;
    font-size: 0.95rem;
    width: 100%;
    justify-content: center;
  }

  .btn--large {
    min-height: 52px;
    padding: 16px 32px;
  }

  /* Section Spacing Mobile */
  .section {
    padding: var(--spacing-xl) 0;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  /* Services Grid Mobile - Single Column */
  .services-grid,
  .portfolio-grid,
  .blog-grid,
  .services-pillar-grid,
  .workflow-grid {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-md);
  }

  /* Why Us Section Mobile */
  .why-us {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-lg);
  }

  .why-us__visual {
    min-height: 200px;
    order: -1;
  }

  .why-us__content h2 {
    font-size: 1.5rem !important;
  }

  .why-us__content h2 br {
    display: none;
  }

  /* Capabilities List Mobile */
  .capabilities-list {
    grid-template-columns: 1fr !important;
  }

  .capability-item {
    padding: var(--spacing-md);
  }

  /* Case Study Mobile */
  .case-study {
    padding: var(--spacing-lg);
  }

  .case-study__header {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .case-study__number {
    font-size: 1.8rem;
  }

  .case-study__title {
    font-size: 1.3rem;
  }

  .case-study__grid {
    grid-template-columns: 1fr !important;
  }

  .result-stats {
    justify-content: space-around;
  }

  .result-stat__number {
    font-size: 1.4rem;
  }

  .tech-stack {
    justify-content: flex-start;
  }

  /* Blog Cards Mobile */
  .blog-card {
    padding: var(--spacing-lg);
  }

  .blog-card__title {
    font-size: 1.1rem;
  }

  /* Article Page Mobile */
  .article {
    padding: var(--spacing-lg);
  }

  .article__title {
    font-size: 1.6rem !important;
  }

  .article__content h3 {
    font-size: 1.2rem;
  }

  .article__content p,
  .article__content li {
    font-size: 1rem;
  }

  /* Contact Section Mobile */
  .contact-section {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-xl);
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px !important;
    /* Prevents iOS zoom */
    min-height: 48px;
  }

  /* Pillar Headers Mobile */
  .pillar-header {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .pillar-number {
    font-size: 2rem;
  }

  .pillar-title {
    font-size: 1.5rem;
  }

  /* Footer Mobile */
  .footer__content {
    flex-direction: column;
    text-align: center;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
  }

  .footer__social {
    margin-bottom: var(--spacing-lg);
    justify-content: center;
  }

  /* Service Detail Cards Mobile */
  .service-detail {
    padding: var(--spacing-lg);
  }

  /* Prevent Horizontal Scroll */
  body {
    overflow-x: hidden;
    max-width: 100vw;
  }

  * {
    max-width: 100%;
  }

  img,
  video,
  iframe {
    max-width: 100% !important;
    height: auto !important;
  }
}

/* =====================================================
   EXTRA SMALL DEVICES (< 375px)
   ===================================================== */
@media (max-width: 375px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero__title {
    font-size: 1.5rem !important;
  }

  h2 {
    font-size: 1.3rem !important;
  }

  .btn {
    padding: 12px 20px;
    font-size: 0.9rem;
  }

  .case-study__title {
    font-size: 1.1rem;
  }

  .result-stat__number {
    font-size: 1.2rem;
  }
}

/* =====================================================
   BODY SCROLL LOCK (for mobile menu)
   ===================================================== */
body.menu-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
}