/* ==========================================================================
   Devzone - Software Development Company
   Main Stylesheet
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

ul,
ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- Root Variables ---------- */
:root {
  /* Colors */
  --color-primary-dark: #0f172a;
  --color-primary-blue: #2563eb;
  --color-light-blue: #3b82f6;
  --color-cyan-accent: #06b6d4;
  --color-light-bg: #f8fafc;
  --color-card-bg: #ffffff;
  --color-text: #334155;
  --color-text-light: #64748b;
  --color-text-dark: #1e293b;
  --color-border: #e2e8f0;
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary-blue), var(--color-cyan-accent));
  --gradient-dark: linear-gradient(135deg, var(--color-primary-dark), #1e3a5f);
  --gradient-hero: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(37, 99, 235, 0.85));

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-card-hover: 0 20px 40px rgba(37, 99, 235, 0.15);

  /* Borders */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* ---------- Base Typography ---------- */
body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-light-bg);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-text-dark);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

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

a {
  transition: color var(--transition-fast);
}

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

.container--narrow {
  max-width: var(--container-narrow);
}

.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

.flex {
  display: flex;
}

.flex--center {
  align-items: center;
  justify-content: center;
}

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

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

.flex--wrap {
  flex-wrap: wrap;
}

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

/* ---------- Image Constraints ---------- */
.logo-img {
  max-width: 50px;
  height: auto;
}

img:not(.logo-img) {
  max-width: 100%;
  height: auto;
}

/* ---------- Header / Navbar ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.header--scrolled {
  padding-top: 0;
  padding-bottom: 0;
  box-shadow: var(--shadow-md);
}

.header--scrolled .header__inner {
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  transition: padding var(--transition-base);
}

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

.header__brand .logo-img {
  max-width: 50px;
  height: auto;
}

.site-name {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-primary-dark);
  letter-spacing: -0.025em;
}

.site-name span {
  color: var(--color-primary-blue);
}

.nav {
  display: none;
}

.nav--active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-card-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-lg);
  gap: var(--spacing-sm);
}

.nav__link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary-blue);
  background-color: rgba(37, 99, 235, 0.05);
}

/* Hamburger Menu */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  z-index: 1001;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary-dark);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger--active .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger--active .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Section Base ---------- */
.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

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

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-card-bg);
}

.section--dark p {
  color: #cbd5e1;
}

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

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

.section--gradient h2,
.section--gradient h3 {
  color: var(--color-card-bg);
}

.section--gradient p {
  color: #cbd5e1;
}

.section__header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section__header h2 {
  margin-bottom: var(--spacing-md);
}

.section__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section__label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary-blue);
  margin-bottom: var(--spacing-sm);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--color-primary-dark);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  padding: var(--spacing-4xl) 0;
}

.hero__text h1 {
  color: var(--color-card-bg);
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.hero__text h1 .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__text p {
  color: #94a3b8;
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  max-width: 540px;
}

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

.hero__image {
  display: none;
}

.hero__image img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

/* Decorative shapes on hero */
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15), transparent 70%);
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15), transparent 70%);
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
}

/* ---------- Button Styles ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.75rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn:hover {
  transform: scale(1.05);
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-card-bg);
  border-color: transparent;
}

.btn--primary:hover {
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.35);
}

.btn--secondary {
  background-color: var(--color-card-bg);
  color: var(--color-primary-blue);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-primary-blue);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-card-bg);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-card-bg);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-sm);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--font-size-lg);
}

/* ---------- Card Components ---------- */
.card {
  background-color: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-slow);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(6, 182, 212, 0.1));
  color: var(--color-primary-blue);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
}

.card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.card__text {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.card__image {
  width: 100%;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
}

.card__image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card__image img {
  transform: scale(1.05);
}

/* Glassmorphism Card Variant */
.card--glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.card--glass:hover {
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transform: translateY(-8px);
}

/* ---------- Service Cards ---------- */
.service-card {
  background-color: var(--color-card-bg);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

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

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xl);
  background: var(--gradient-primary);
  color: var(--color-card-bg);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
}

.service-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.service-card__text {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ---------- Stats / Counter Section ---------- */
.stats {
  background: var(--gradient-dark);
  position: relative;
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: var(--spacing-xl);
}

.stat-item__number {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-card-bg);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.stat-item__number .counter-suffix {
  font-size: var(--font-size-3xl);
}

.stat-item__label {
  font-size: var(--font-size-sm);
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- Blog Grid ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

.blog-card {
  background-color: var(--color-card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-slow);
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.blog-card__image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card__image img {
  transform: scale(1.05);
}

.blog-card__body {
  padding: var(--spacing-lg);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.blog-card__tag {
  display: inline-block;
  padding: 0.125rem 0.625rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary-blue);
}

.blog-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-fast);
}

.blog-card__title:hover {
  color: var(--color-primary-blue);
}

.blog-card__excerpt {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

/* ---------- Team Grid ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.team-member {
  text-align: center;
  transition: transform var(--transition-base);
}

.team-member:hover {
  transform: translateY(-4px);
}

.team-member__photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto var(--spacing-lg);
  border: 4px solid var(--color-card-bg);
  box-shadow: var(--shadow-lg);
}

.team-member__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-member__name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.team-member__role {
  color: var(--color-primary-blue);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.team-member__bio {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* ---------- Testimonial Carousel ---------- */
.testimonial-carousel {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
}

.testimonial-carousel__track {
  display: flex;
  transition: transform var(--transition-slow);
}

.testimonial-slide {
  min-width: 100%;
  padding: var(--spacing-xl);
  text-align: center;
}

.testimonial-slide__content {
  background-color: var(--color-card-bg);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  position: relative;
}

.testimonial-slide__content::before {
  content: '\201C';
  position: absolute;
  top: -10px;
  left: 24px;
  font-size: 5rem;
  color: var(--color-primary-blue);
  opacity: 0.15;
  line-height: 1;
  pointer-events: none;
}

.testimonial-slide__text {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

.testimonial-slide__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.testimonial-slide__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
}

.testimonial-slide__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-slide__name {
  font-weight: 700;
  font-size: var(--font-size-base);
  color: var(--color-text-dark);
}

.testimonial-slide__company {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.testimonial-carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.testimonial-carousel__btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: all var(--transition-fast);
  background-color: var(--color-card-bg);
}

.testimonial-carousel__btn:hover {
  border-color: var(--color-primary-blue);
  color: var(--color-primary-blue);
  background-color: rgba(37, 99, 235, 0.05);
}

.testimonial-carousel__dots {
  display: flex;
  gap: var(--spacing-sm);
}

.testimonial-carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.testimonial-carousel__dot--active {
  background: var(--gradient-primary);
  width: 28px;
  border-radius: var(--radius-full);
}

/* ---------- Tab Component (radio input based) ---------- */
.tabs {
  width: 100%;
}

.tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xl);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0;
}

.tabs input[type="radio"] {
  display: none;
}

.tabs__label {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-light);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
}

.tabs__label:hover {
  color: var(--color-primary-blue);
}

.tabs input[type="radio"]:checked + .tabs__label {
  color: var(--color-primary-blue);
  border-bottom-color: var(--color-primary-blue);
}

.tabs__panel {
  display: none;
  padding: var(--spacing-xl) 0;
  animation: fadeIn 0.3s ease;
}

.tabs__panel--active {
  display: block;
}

/* ---------- Accordion / Details-Summary ---------- */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.accordion__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.accordion__item[open] {
  box-shadow: var(--shadow-md);
}

.accordion__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
  font-weight: 600;
  font-size: var(--font-size-base);
  color: var(--color-text-dark);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: all var(--transition-fast);
  background-color: var(--color-card-bg);
}

.accordion__header::-webkit-details-marker {
  display: none;
}

.accordion__header::after {
  content: '+';
  font-size: var(--font-size-xl);
  font-weight: 400;
  color: var(--color-primary-blue);
  transition: transform var(--transition-base);
  pointer-events: none;
}

.accordion__item[open] .accordion__header::after {
  content: '\2212';
}

.accordion__header:hover {
  color: var(--color-primary-blue);
  background-color: rgba(37, 99, 235, 0.02);
}

.accordion__body {
  padding: 0 var(--spacing-xl) var(--spacing-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ---------- Contact Form ---------- */
.form {
  max-width: 640px;
  margin: 0 auto;
}

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

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-sm);
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-card-bg);
  color: var(--color-text-dark);
  transition: all var(--transition-fast);
  outline: none;
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  border-color: var(--color-primary-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form__textarea {
  resize: vertical;
  min-height: 140px;
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: #94a3b8;
}

/* Form Validation Feedback */
.form__group--error .form__input,
.form__group--error .form__textarea,
.form__group--error .form__select {
  border-color: var(--color-error);
}

.form__group--error .form__input:focus,
.form__group--error .form__textarea:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form__group--success .form__input,
.form__group--success .form__textarea,
.form__group--success .form__select {
  border-color: var(--color-success);
}

.form__group--success .form__input:focus,
.form__group--success .form__textarea:focus {
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.form__error {
  display: none;
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-top: var(--spacing-xs);
}

.form__group--error .form__error {
  display: block;
}

.form__success {
  display: none;
  font-size: var(--font-size-sm);
  color: var(--color-success);
  margin-top: var(--spacing-xs);
}

.form__group--success .form__success {
  display: block;
}

.form__message {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  display: none;
}

.form__message--success {
  display: block;
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.form__message--error {
  display: block;
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ---------- Footer ---------- */
.footer {
  background-color: var(--color-primary-dark);
  color: #94a3b8;
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.footer__brand {
  max-width: 320px;
}

.footer__brand .site-name {
  color: var(--color-card-bg);
  margin-bottom: var(--spacing-md);
}

.footer__brand p {
  color: #64748b;
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.footer__heading {
  color: var(--color-card-bg);
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__link {
  color: #64748b;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-primary-blue);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  text-align: center;
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: #475569;
}

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

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: #64748b;
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--color-primary-blue);
  color: var(--color-card-bg);
}

/* ---------- Cookie Consent Banner ---------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background-color: var(--color-card-bg);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-lg);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.cookie-banner--visible {
  transform: translateY(0);
}

.cookie-banner__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
  text-align: center;
}

.cookie-banner__text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.cookie-banner__text a {
  color: var(--color-primary-blue);
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in--left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in--right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in--scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger delay utility */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ---------- Decorative Shapes / Blobs ---------- */
.blob-decoration {
  position: relative;
}

.blob-decoration::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08), transparent 70%);
  border-radius: 50%;
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.blob-decoration::after {
  content: '';
  position: absolute;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.08), transparent 70%);
  border-radius: 50%;
  bottom: -80px;
  left: -80px;
  pointer-events: none;
}

/* Wave / Blob decorative section dividers */
.wave-top {
  position: relative;
}

.wave-top::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 0;
  right: 0;
  height: 60px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60'%3E%3Cpath fill='%23f8fafc' d='M0,40 C360,80 720,0 1080,40 C1260,60 1380,50 1440,40 L1440,60 L0,60 Z'/%3E%3C/svg%3E") no-repeat bottom center;
  background-size: 100% 60px;
  pointer-events: none;
}

.wave-bottom {
  position: relative;
}

.wave-bottom::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 0;
  right: 0;
  height: 60px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60'%3E%3Cpath fill='%23f8fafc' d='M0,20 C360,-20 720,60 1080,20 C1260,0 1380,10 1440,20 L1440,0 L0,0 Z'/%3E%3C/svg%3E") no-repeat top center;
  background-size: 100% 60px;
  pointer-events: none;
}

/* Gradient backgrounds */
.gradient-bg--blue {
  background: linear-gradient(135deg, #2563eb, #06b6d4);
}

.gradient-bg--dark {
  background: linear-gradient(135deg, #0f172a, #1e3a5f);
}

.gradient-bg--light {
  background: linear-gradient(135deg, #f8fafc, #e2e8f0);
}

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

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

.article__title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.article__body {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: var(--color-text);
}

.article__body h2 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.article__body h3 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

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

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

.article__body ul {
  list-style: disc;
}

.article__body ol {
  list-style: decimal;
}

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

.article__body blockquote {
  border-left: 4px solid var(--color-primary-blue);
  padding: var(--spacing-md) var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  background-color: rgba(37, 99, 235, 0.03);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text-light);
}

.article__body pre {
  background-color: var(--color-primary-dark);
  color: #e2e8f0;
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.article__body code {
  background-color: rgba(37, 99, 235, 0.08);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

.article__body pre code {
  background: none;
  padding: 0;
}

.article__body img {
  border-radius: var(--radius-lg);
  margin: var(--spacing-xl) 0;
}

/* ---------- Privacy / Legal Page ---------- */
.legal {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.legal h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
}

.legal h2 {
  font-size: var(--font-size-2xl);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.legal h3 {
  font-size: var(--font-size-xl);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.legal p {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
  color: var(--color-text);
}

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

.legal ul {
  list-style: disc;
}

.legal ol {
  list-style: decimal;
}

.legal li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

.legal__updated {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-2xl);
}

/* ---------- Keyframes ---------- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

/* ---------- Tablet (768px) ---------- */
@media (min-width: 768px) {
  h1 { font-size: var(--font-size-5xl); }
  h2 { font-size: var(--font-size-4xl); }

  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }

  .hero__text h1 {
    font-size: var(--font-size-5xl);
  }

  .hero__image {
    display: block;
  }

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

  .stats__grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

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

  .cookie-banner__inner {
    flex-direction: row;
    text-align: left;
  }

  .section {
    padding: var(--spacing-4xl) 0;
  }

  .team-member__photo {
    width: 150px;
    height: 150px;
  }
}

/* ---------- Small Desktop (1024px) ---------- */
@media (min-width: 1024px) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
  }

  .hamburger {
    display: none;
  }

  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(3, 1fr); }

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

  .team-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ---------- Large Desktop (1200px) ---------- */
@media (min-width: 1200px) {
  h1 { font-size: var(--font-size-6xl); }

  .grid--4 { grid-template-columns: repeat(4, 1fr); }

  .hero__text h1 {
    font-size: var(--font-size-6xl);
  }

  .container {
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
  }

  .team-member__photo {
    width: 180px;
    height: 180px;
  }
}

/* ---------- Print Styles ---------- */
@media print {
  .header,
  .cookie-banner,
  .footer__social,
  .hamburger {
    display: none;
  }

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

  .section {
    padding: 1rem 0;
  }
}