/* ============================================
   Main Styles - AppCraft Landing Page
   ============================================ */

/* ========== Reset / Normalize ========== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--color-pure-white);
  background-color: var(--color-deep-black);
  background-image: var(--gradient-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Remove default list styles */
ul,
ol {
  list-style: none;
}

/* Remove default link styles */
a {
  text-decoration: none;
  color: inherit;
}

/* Remove default button styles */
button {
  font-family: inherit;
  font-size: inherit;
  background: none;
  border: none;
  cursor: pointer;
  outline: none;
}

/* Remove default input styles */
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
  background: none;
}

/* Images */
img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ========== Typography ========== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-pure-white);
}

h1 {
  font-size: var(--text-5xl);
  letter-spacing: var(--tracking-tight);
}

h2 {
  font-size: var(--text-4xl);
  letter-spacing: var(--tracking-tight);
}

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

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

p {
  color: var(--color-soft-gray);
  line-height: var(--leading-relaxed);
}

/* ========== Container ========== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ========== Section Styles ========== */

section {
  padding: var(--space-20) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-soft-gray);
  max-width: 600px;
  margin: 0 auto;
}

/* ========== Buttons ========== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1;
  border-radius: var(--radius-lg);
  transition: var(--transition-all);
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-btn-primary);
  color: var(--color-deep-black);
  box-shadow: var(--glow-blue);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-blue-strong);
}

.btn--outline {
  background: transparent;
  color: var(--color-pure-white);
  border: 2px solid var(--color-electric-blue);
  box-shadow: none;
}

.btn--outline:hover {
  background: rgba(0, 212, 255, 0.1);
  box-shadow: var(--glow-blue);
  transform: translateY(-2px);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn--full {
  width: 100%;
}

/* ========== Header ========== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-fixed);
  transition: var(--transition-all);
}

.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  opacity: 0;
  transition: var(--transition-opacity);
}

.header.scrolled::before {
  opacity: 1;
}

.header.scrolled {
  height: var(--header-height-scrolled);
  box-shadow: var(--shadow-dark-lg);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  position: relative;
  z-index: 1;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: 10;
}

.logo__icon {
  width: 40px;
  height: 40px;
  transition: var(--transition-transform);
}

.logo:hover .logo__icon {
  transform: rotate(10deg) scale(1.05);
}

.logo__text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-pure-white);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-soft-gray);
  position: relative;
  padding: var(--space-2) 0;
  transition: var(--transition-color);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-pure-white);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/* Header CTA */
.header__cta {
  display: none;
}

@media (min-width: 992px) {
  .header__cta {
    display: inline-flex;
  }
}

/* Burger Menu */
.burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  z-index: 10;
}

@media (min-width: 992px) {
  .burger {
    display: none;
  }
}

.burger__line {
  width: 24px;
  height: 2px;
  background-color: var(--color-pure-white);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.burger__line:nth-child(1) {
  transform: translateY(-6px);
}

.burger__line:nth-child(3) {
  transform: translateY(6px);
}

.burger.active .burger__line:nth-child(1) {
  transform: translateY(0) rotate(45deg);
}

.burger.active .burger__line:nth-child(2) {
  opacity: 0;
}

.burger.active .burger__line:nth-child(3) {
  transform: translateY(0) rotate(-45deg);
}

/* ========== Hero Section ========== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero__background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__canvas {
  width: 100%;
  height: 100%;
}

.hero__container {
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 800px;
  text-align: center;
  margin: 0 auto;
}

.hero__title {
  font-size: var(--text-6xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
}

.hero__title-line {
  display: block;
}

.hero__title-line:nth-child(2) {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-soft-gray);
  margin-bottom: var(--space-10);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* Scroll Indicator */
.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-soft-gray);
  animation: bounce 2s infinite;
}

.hero__scroll-text {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.hero__scroll-icon {
  width: 24px;
  height: 24px;
}

/* ========== Services Section ========== */

.services {
  background-color: var(--color-dark-navy);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-electric-blue), transparent);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

/* Service Card */
.service-card {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: var(--transition-all);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: var(--transition-opacity);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-electric-blue);
  box-shadow: var(--glow-blue);
}

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

.service-card__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  color: var(--color-electric-blue);
  position: relative;
  z-index: 1;
  transition: var(--transition-all);
}

.service-card:hover .service-card__icon {
  background: var(--gradient-primary);
  color: var(--color-deep-black);
  transform: scale(1.1);
}

.service-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  position: relative;
  z-index: 1;
}

.service-card__description {
  font-size: var(--text-base);
  color: var(--color-soft-gray);
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-electric-blue);
  font-weight: var(--font-medium);
  position: relative;
  z-index: 1;
  transition: var(--transition-all);
}

.service-card__link:hover {
  gap: var(--space-3);
  color: var(--color-neon-purple);
}

.service-card__link svg {
  transition: var(--transition-transform);
}

.service-card__link:hover svg {
  transform: translateX(4px);
}

/* ========== Advantages Section ========== */

.advantages {
  position: relative;
  overflow: hidden;
}

.advantages__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

/* Stat Card */
.stat-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--gradient-primary);
}

.stat-card__number {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline;
}

.stat-card__suffix {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card__label {
  display: block;
  font-size: var(--text-lg);
  color: var(--color-soft-gray);
  margin-top: var(--space-2);
}

/* Advantage Items */
.advantages__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: var(--transition-all);
}

.advantage-item:hover {
  border-color: var(--color-cyber-green);
  box-shadow: var(--glow-green);
}

.advantage-item__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 185, 129, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-cyber-green);
}

.advantage-item__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.advantage-item__description {
  font-size: var(--text-sm);
  color: var(--color-soft-gray);
}

/* ========== Portfolio Section ========== */

.portfolio {
  background-color: var(--color-dark-navy);
  position: relative;
}

.portfolio::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-neon-purple), transparent);
}

/* Portfolio Filters */
.portfolio__filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}

.filter-btn {
  padding: var(--space-2) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-soft-gray);
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  transition: var(--transition-all);
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--color-pure-white);
  background: var(--gradient-primary);
  border-color: transparent;
}

/* Portfolio Grid */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

/* Portfolio Card */
.portfolio-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.portfolio-card__image {
  width: 100%;
  height: 100%;
  background: var(--color-dark-gray);
}

.portfolio-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(10, 10, 15, 0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  opacity: 0;
  transition: var(--transition-opacity);
}

.portfolio-card:hover .portfolio-card__overlay {
  opacity: 1;
}

.portfolio-card__category {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-electric-blue);
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
  width: fit-content;
}

.portfolio-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.portfolio-card__description {
  font-size: var(--text-sm);
  color: var(--color-soft-gray);
  margin-bottom: var(--space-4);
}

.portfolio-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-electric-blue);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  transition: var(--transition-color);
}

.portfolio-card__link:hover {
  color: var(--color-neon-purple);
}

/* Portfolio CTA */
.portfolio__cta {
  text-align: center;
}

/* ========== Process Section ========== */

.process {
  position: relative;
  overflow: hidden;
}

.process__timeline {
  position: relative;
  display: flex;
  justify-content: space-between;
  padding: var(--space-8) 0;
}

.process__line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border-color);
  transform: translateY(-50%);
  z-index: 0;
}

.process__line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--gradient-primary);
  transition: width 1s ease;
}

/* Process Step */
.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
  flex: 1;
  padding: 0 var(--space-4);
}

.process-step__number {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-electric-blue);
  margin-bottom: var(--space-4);
}

.process-step__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-deep-black);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--color-soft-gray);
  transition: var(--transition-all);
}

.process-step:hover .process-step__icon {
  border-color: var(--color-electric-blue);
  color: var(--color-electric-blue);
  box-shadow: var(--glow-blue);
  transform: scale(1.1);
}

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

.process-step__description {
  font-size: var(--text-sm);
  color: var(--color-soft-gray);
  margin-bottom: var(--space-3);
  max-width: 200px;
  margin-left: auto;
  margin-right: auto;
}

.process-step__duration {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-cyber-green);
  background: rgba(16, 185, 129, 0.1);
  border-radius: var(--radius-full);
}

/* ========== Testimonials Section ========== */

.testimonials {
  background-color: var(--color-dark-navy);
  position: relative;
  overflow: hidden;
}

.testimonials::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-cyber-green), transparent);
}

.testimonials__carousel {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.testimonials__slider {
  flex: 1;
  overflow: hidden;
}

.testimonials__track {
  display: flex;
  gap: var(--space-6);
  transition: transform 0.5s ease;
}

/* Testimonial Card */
.testimonial-card {
  flex: 0 0 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-8);
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  text-align: center;
}

.testimonial-card__rating {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
}

.testimonial-card__rating .star {
  color: var(--color-hot-pink);
}

.testimonial-card__text {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-pure-white);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.testimonial-card__avatar {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  font-weight: var(--font-bold);
  color: var(--color-deep-black);
}

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

.testimonial-card__name {
  display: block;
  font-style: normal;
  font-weight: var(--font-semibold);
  color: var(--color-pure-white);
  margin-bottom: var(--space-1);
}

.testimonial-card__position {
  font-size: var(--text-sm);
  color: var(--color-soft-gray);
}

/* Carousel Navigation */
.testimonials__nav {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--color-soft-gray);
  transition: var(--transition-all);
}

.testimonials__nav:hover {
  border-color: var(--color-electric-blue);
  color: var(--color-electric-blue);
  box-shadow: var(--glow-blue);
}

/* Carousel Dots */
.testimonials__dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-8);
}

.testimonials__dot {
  width: 12px;
  height: 12px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  transition: var(--transition-all);
}

.testimonials__dot:hover,
.testimonials__dot.active {
  background: var(--gradient-primary);
  box-shadow: var(--glow-blue);
}

/* ========== Contact Section ========== */

.contact {
  position: relative;
}

.contact__wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contact__info {
  padding-right: var(--space-8);
}

.contact__info .section-title {
  text-align: left;
  margin-bottom: var(--space-6);
}

.contact__description {
  font-size: var(--text-lg);
  color: var(--color-soft-gray);
  margin-bottom: var(--space-8);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact__item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-soft-gray);
  transition: var(--transition-color);
}

.contact__item:hover {
  color: var(--color-pure-white);
}

.contact__item svg {
  flex-shrink: 0;
  color: var(--color-electric-blue);
}

.contact__item a:hover {
  color: var(--color-electric-blue);
}

/* Contact Form */
.contact__form {
  padding: var(--space-8);
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-pure-white);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-4);
  font-size: var(--text-base);
  color: var(--color-pure-white);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: var(--transition-all);
}

.form-input::placeholder {
  color: var(--color-soft-gray);
}

.form-input:focus {
  border-color: var(--color-electric-blue);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

/* ========== Footer ========== */

.footer {
  background-color: var(--color-dark-navy);
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid var(--border-color);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: var(--space-16);
  margin-bottom: var(--space-12);
}

.footer__brand {
  max-width: 300px;
}

.logo--footer {
  margin-bottom: var(--space-4);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-soft-gray);
}

/* Footer Navigation */
.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.footer__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-pure-white);
  margin-bottom: var(--space-4);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__list a,
.footer__list span {
  font-size: var(--text-sm);
  color: var(--color-soft-gray);
  transition: var(--transition-color);
}

.footer__list a:hover {
  color: var(--color-electric-blue);
}

/* Footer Bottom */
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-color);
}

.footer__social {
  display: flex;
  gap: var(--space-4);
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--color-soft-gray);
  transition: var(--transition-all);
}

.social-link:hover {
  border-color: var(--color-electric-blue);
  color: var(--color-electric-blue);
  box-shadow: var(--glow-blue);
  transform: translateY(-2px);
}

.footer__copyright {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.footer__copyright p {
  font-size: var(--text-sm);
  color: var(--color-soft-gray);
}

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

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

/* ========== Utility Classes ========== */

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

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

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

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

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

/* ========== Scroll to Top Button ========== */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--gradient-btn-primary);
  border: none;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition-all);
  z-index: var(--z-fixed);
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.scroll-to-top svg {
  width: 24px;
  height: 24px;
  fill: var(--color-white);
}

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

.scroll-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--glow-blue-strong);
}

@media (max-width: 576px) {
  .scroll-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
  }
}