/* CSS Variables */
:root {
  /* Colors */
  --color-bg: #0a0e17;
  --color-bg-alt: #111827;
  --color-surface: #1e293b;
  --color-border: #334155;
  --color-text: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-primary: #38bdf8;
  --color-accent: #818cf8;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

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

  /* Typography */
  --font-family-primary: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-family-mono: 'JetBrains Mono', monospace;
  
  --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;

  /* Layout */
  --container-width: 1200px;
  --border-radius: 0.75rem;
  --section-padding: 6rem 0;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

/* Skip to Content (Accessibility) */
.skip-to-content {
  position: fixed;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 0.75rem 1.5rem;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: top var(--transition-base);
}

.skip-to-content:focus {
  top: 0;
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

html {
  scroll-behavior: smooth;
}

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

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

ul {
  list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Common Classes */
.section__title {
  font-size: var(--font-size-4xl);
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.section__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  font-size: var(--font-size-sm);
  text-align: center;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.button--primary {
  background: var(--color-primary);
  color: var(--color-bg);
}

.button--primary:hover {
  background: #0284c7;
  transform: translateY(-2px);
}

.button--secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.button--secondary:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all var(--transition-base);
}

.header--scrolled {
  background: rgba(10, 14, 23, 0.98);
}

.header__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 600;
  color: var(--color-text);
}

.header__logo {
  width: 32px;
  height: 32px;
}

.nav__menu {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}

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

.nav__link--icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: var(--border-radius);
}

.nav__link--icon svg {
  width: 18px;
  height: 18px;
  display: block;
}

.nav__link--icon:hover {
  background: rgba(56, 189, 248, 0.08);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-base);
}

/* Hero */
.hero {
  padding: 8rem 0 6rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.hero__highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

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

.hero__visual {
  display: flex;
  justify-content: center;
}

/* Code Window */
.code-window {
  background: var(--color-surface);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  width: 100%;
  max-width: 500px;
}

.code-window__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.code-window__dots {
  display: flex;
  gap: var(--space-xs);
}

.code-window__dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-border);
}

.code-window__dots span:first-child {
  background: #ef4444;
}

.code-window__dots span:nth-child(2) {
  background: #f59e0b;
}

.code-window__dots span:last-child {
  background: #10b981;
}

.code-window__title {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.code-window__body {
  padding: var(--space-lg);
}

.code-window__body code {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--color-text);
}

.code-comment {
  color: #64748b;
}

.code-key {
  color: var(--color-accent);
}

.code-string {
  color: #10b981;
}

.code-function {
  color: var(--color-primary);
}

/* Services */
.services {
  padding: var(--section-padding);
  background: var(--color-bg-alt);
}

.services__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
  box-shadow: 0 16px 48px rgba(56, 189, 248, 0.1);
}

.service-card:hover .service-card__icon {
  background: rgba(56, 189, 248, 0.2);
  transform: scale(1.1);
}

.service-card--featured {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.05), rgba(129, 140, 248, 0.05));
}

.service-card__icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(56, 189, 248, 0.1);
  border-radius: var(--border-radius);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
}

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

.service-card__note {
  margin-top: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.service-card__description {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.service-card__features {
  list-style: none;
  margin-bottom: var(--space-lg);
}

.service-card__features li {
  padding: var(--space-xs) 0;
  position: relative;
  padding-left: var(--space-md);
  color: var(--color-text-muted);
}

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

.service-card__price {
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--color-primary);
}

.service-card__footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
}

.service-card__cta {
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: opacity var(--transition-base);
}

.service-card__cta:hover {
  opacity: .75;
}

.footer__email {
  text-align: center;
  margin-bottom: var(--space-sm);
}

.footer__email .footer__link {
  color: var(--color-primary);
  font-weight: 500;
}

/* Process */
.process {
  padding: var(--section-padding);
}

.process__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.process__timeline {
  display: grid;
  gap: var(--space-3xl);
}

.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.process-step__number {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-bg);
  border-radius: 50%;
  font-weight: 700;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.process-step__content {
  padding-top: var(--space-sm);
}

.process-step__title {
  font-size: var(--font-size-2xl);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.process-step__description {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.process-step__details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.process-step__details li {
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--border-radius) / 2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* About */
.about {
  padding: var(--section-padding);
  background: var(--color-bg-alt);
}

/* Trust */
.trust {
  padding: var(--section-padding);
}

.trust__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.trust-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.trust-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(56, 189, 248, 0.08);
}

.trust-card__title {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.trust-card__text {
  color: var(--color-text-muted);
  margin: 0;
}

/* FAQ */
.faq {
  padding: var(--section-padding);
  background: var(--color-bg-alt);
}

.faq__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.faq__list {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: var(--space-md);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.faq-item__question {
  width: 100%;
  text-align: left;
  padding: var(--space-lg);
  background: transparent;
  border: 0;
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  transition: color var(--transition-fast);
}

.faq-item__question:hover {
  color: var(--color-primary);
}

.faq-item__icon {
  width: 18px;
  height: 18px;
  position: relative;
  flex: 0 0 auto;
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 2px;
  background: var(--color-text-muted);
  transform: translate(-50%, -50%);
  transition: var(--transition-base);
}

.faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item__answer {
  padding: 0 var(--space-lg) 0;
  color: var(--color-text-muted);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  line-height: 1.7;
}

.faq-item--open .faq-item__answer {
  max-height: 300px;
  padding: 0 var(--space-lg) var(--space-lg);
}

.faq-item--open .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.about__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.stat {
  text-align: center;
}

.stat__number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.stat__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.tech-stack {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.tech-stack__item {
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  text-align: center;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition-base);
}

.tech-stack__item:hover {
  border-color: var(--color-primary);
  background: rgba(56, 189, 248, 0.05);
}

/* Contact */
.contact {
  padding: var(--section-padding);
}

.contact__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3xl);
}

.contact__item {
  margin-bottom: var(--space-xl);
}

.contact__item-title {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.contact__item-value {
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
}

.contact__item-value a {
  color: var(--color-primary);
  transition: var(--transition-fast);
}

.contact__item-value a:hover {
  color: #0284c7;
}

/* Form */
.contact__form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
}

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

.form__label {
  display: block;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--border-radius) / 2);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form__input--invalid,
.form__textarea--invalid {
  border-color: var(--color-error) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form__error {
  display: block;
  color: var(--color-error);
  font-size: var(--font-size-xs);
  margin-top: 0.35rem;
  min-height: 1.1em;
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__group--checkbox {
  margin-top: calc(var(--space-lg) * -0.25);
}

.form__checkbox {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.form__checkbox input {
  margin-top: 0.15rem;
  accent-color: var(--color-primary);
}

.form__checkbox a {
  color: var(--color-primary);
}

.form__checkbox a:hover {
  color: #0284c7;
}

.form__status {
  margin: var(--space-md) 0;
  padding: 0.75rem;
  border-radius: calc(var(--border-radius) / 2);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
}

.form__status:empty {
  display: none;
}

.form__status--success {
  color: var(--color-success);
  border-color: rgba(16, 185, 129, 0.35);
  background: rgba(16, 185, 129, 0.08);
}

.form__status--error {
  color: var(--color-error);
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.08);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
}

.breadcrumb__link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.breadcrumb__sep {
  color: var(--color-text-muted);
  opacity: 0.5;
}

.breadcrumb__current {
  color: var(--color-primary);
}

/* Footer */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
}

.footer__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 600;
  color: var(--color-text);
}

.footer__logo {
  width: 24px;
  height: 24px;
}

.footer__nav {
  display: flex;
  gap: var(--space-lg);
}

.footer__link {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
}

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

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer__copyright {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* Animations */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --container-width: 90%;
  }

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

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

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

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

  .process-step {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 768px) {
  .nav__menu {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

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

  .hero__actions {
    justify-content: center;
  }

  .about__stats {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

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

  .hero {
    padding: 6rem 0 4rem;
  }

  :root {
    --section-padding: 4rem 0;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 2rem;
  }

  .section__title {
    font-size: var(--font-size-3xl);
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .button {
    width: 100%;
    justify-content: center;
  }

  .tech-stack {
    grid-template-columns: 1fr;
  }
}

/* Scroll to Top */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-base);
  z-index: 900;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.scroll-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(56, 189, 248, 0.3);
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.theme-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.theme-toggle__moon { display: none; }
.theme-toggle__sun { display: block; }

/* Light Theme */
[data-theme="light"] {
  --color-bg: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
}

[data-theme="light"] .theme-toggle__moon { display: block; }
[data-theme="light"] .theme-toggle__sun { display: none; }

[data-theme="light"] .code-window__header {
  background: #e2e8f0;
}

[data-theme="light"] .code-window__body {
  background: #1e293b;
  color: #e2e8f0;
}

[data-theme="light"] .scroll-top,
[data-theme="light"] .theme-toggle {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .error-code,
[data-theme="light"] .hero__highlight {
  -webkit-text-fill-color: transparent;
}

/* Button ripple/press */
.button {
  position: relative;
  overflow: hidden;
}

.button:active {
  transform: scale(0.97);
}

.button--primary:hover {
  box-shadow: 0 8px 32px rgba(56, 189, 248, 0.35);
}

.button--secondary:hover {
  transform: translateY(-2px);
}

/* Process step hover */
.process-step {
  transition: all var(--transition-base);
}

.process-step:hover .process-step__number {
  color: var(--color-primary);
}

/* Tech stack item hover */
.tech-stack__item {
  transition: all var(--transition-base);
}

.tech-stack__item:hover {
  background: var(--color-primary);
  color: var(--color-bg);
  transform: scale(1.05);
}

/* ========== Print Stylesheet ========== */
@media print {
  *,
  *::before,
  *::after {
    background: #fff !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
    -webkit-text-fill-color: #000 !important;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  .header,
  .hero__visual,
  .nav__toggle,
  .scroll-top,
  .theme-toggle,
  .skip-to-content,
  .contact__form,
  .footer__nav,
  .tech-stack,
  .button,
  .service-card__cta {
    display: none !important;
  }

  main {
    padding-top: 0 !important;
  }

  section {
    padding: 1.5rem 0 !important;
    break-inside: avoid;
  }

  h1, h2, h3 {
    break-after: avoid;
  }

  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
    color: #555 !important;
  }

  a[href^="#"]::after,
  a[href^="mailto:"]::after {
    content: '';
  }

  .footer {
    border-top: 1px solid #ccc;
    padding: 1rem 0 !important;
  }

  .footer__logo {
    display: none !important;
  }

  img {
    max-width: 100% !important;
  }

  .service-card,
  .trust-card,
  .process-step {
    border: 1px solid #ccc !important;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .faq-item__answer {
    display: block !important;
    max-height: none !important;
    overflow: visible !important;
  }
}