@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@400;700;900&display=swap');

:root {
  --color-primary: #ffffff;
  --color-secondary: #f8f9fa;
  --color-accent: #1a1a1a;
  --color-accent-light: #404040;
  --color-gold: #6b7280;
  --color-text: #1a1a1a;
  --color-text-muted: #6b7280;
  --color-white: #ffffff;
  --color-black: #1a1a1a;

  --gradient-primary: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  --gradient-accent: linear-gradient(135deg, #1a1a1a 0%, #404040 100%);
  --gradient-gold: linear-gradient(135deg, #6b7280 0%, #9ca3af 100%);

  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.06);
  --shadow-hard: 0 20px 40px rgba(0, 0, 0, 0.08);

  --border-radius: 12px;
  --border-radius-lg: 20px;
  --border-radius-xl: 24px;

  --transition-fast: 0.15s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #f1f3f4 100%);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
}

.glass {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
}

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

/* Main Navigation */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1rem 0;
}

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

.main-nav__logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
}

.main-nav__links {
  display: flex;
  gap: 2rem;
}

.main-nav__link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

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

.main-nav__link--active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.main-nav__lang {
  display: flex;
  gap: 0.5rem;
}

/* Mobile Menu Toggle Button */
.main-nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.main-nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
  margin: 5px 0;
  transition: var(--transition-fast);
  border-radius: 2px;
}

.main-nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.main-nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.main-nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .main-nav__toggle {
    display: block;
  }

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

  .main-nav__logo {
    font-size: 1.25rem;
    white-space: nowrap;
  }

  .main-nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 0;
    gap: 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: var(--shadow-medium);
  }

  .main-nav__links.active {
    display: flex;
  }

  .main-nav__link {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 1rem;
    width: 100%;
  }

  .main-nav__link:last-child {
    border-bottom: none;
  }

  .main-nav__link--active {
    background: rgba(0, 0, 0, 0.02);
  }

  .main-nav__lang {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    justify-content: center;
  }
}

/* Language Toggle */
.language-toggle {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  padding: 0.5rem;
  border-radius: 50px;
  box-shadow: var(--shadow-medium);
}

.language-toggle__btn {
  padding: 0.5rem 1rem;
  border: none;
  background: transparent;
  color: var(--color-text);
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.language-toggle__btn:hover {
  background: rgba(0, 0, 0, 0.05);
}

.language-toggle__btn.active {
  background: var(--color-accent);
  color: var(--color-white);
}

/* Scroll Indicator */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(0, 0, 0, 0.05);
  z-index: 999;
}

.scroll-indicator__progress {
  height: 100%;
  background: var(--gradient-accent);
  width: 0%;
  transition: width 0.1s ease;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 4rem 0;
  padding-top: 6rem;
}

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

.hero--centered .hero__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero__clock-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

/* Time Display Cards */
.hero__time-cards {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.hero__time-card {
  background: rgba(255, 255, 255, 0.95);
  padding: 1.25rem 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-medium);
  text-align: center;
  min-width: 180px;
}

.hero__time-card--main {
  border: none;
  box-shadow: none;
}

.hero__time-card--city {
  border: none;
  box-shadow: none;
}

.hero__time-card-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.hero__time-card-time {
  font-size: 2rem;
  font-weight: 700;
  font-family: 'Inter', monospace;
  color: var(--color-accent);
}

.hero__time-card-date {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 4rem;
  align-items: center;
  min-height: 80vh;
}

@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
}

/* City Search */
.city-search {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin-top: 1rem;
}

.city-search__input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.city-search__icon {
  position: absolute;
  left: 1rem;
  color: var(--color-text-muted);
  pointer-events: none;
}

.city-search__input {
  width: 100%;
  padding: 1rem 3rem;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 50px;
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  background: rgba(255, 255, 255, 0.95);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-soft);
}

.city-search__input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-medium);
}

.city-search__input::placeholder {
  color: var(--color-text-muted);
}

.city-search__clear {
  position: absolute;
  right: 1rem;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

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

.city-search__results {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  right: 0;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-hard);
  max-height: 300px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

.city-search__results.active {
  display: block;
}

.city-search__result {
  padding: 1rem;
  cursor: pointer;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: background var(--transition-fast);
}

.city-search__result:last-child {
  border-bottom: none;
}

.city-search__result:hover {
  background: rgba(0, 0, 0, 0.03);
}

.city-search__result-name {
  font-weight: 600;
  color: var(--color-text);
}

.city-search__result-country {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.city-search__no-results {
  padding: 1rem;
  text-align: center;
  color: var(--color-text-muted);
}

.hero__content {
  max-width: 600px;
  animation: fadeInUp 0.8s ease-out;
}

@media (max-width: 1024px) {
  .hero__content {
    max-width: 800px;
    margin: 0 auto;
  }
}

.hero__title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  position: relative;
}

.hero__subtitle {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  animation: pulse 4s ease-in-out infinite;
}

.hero__description {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 3rem;
  max-width: 500px;
}

@media (max-width: 1024px) {
  .hero__description {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
}

.hero__clock-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  animation: fadeIn 1s ease-out 0.3s both;
}

/* Analog Clock */
.analog-clock {
  width: 400px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

@media (max-width: 768px) {
  .analog-clock {
    width: 300px;
    height: 300px;
  }
}

.analog-clock__container {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  border: 3px solid rgba(26, 26, 26, 0.1);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1), inset 0 0 20px rgba(0, 0, 0, 0.02);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.analog-clock__hand {
  position: absolute;
  bottom: 50%;
  left: 50%;
  transform-origin: 50% 100%;
  border-radius: 10px;
  background: var(--color-accent);
}

.analog-clock__hand--hour {
  width: 6px;
  height: 25%;
  margin-left: -3px;
  background: var(--color-accent);
  z-index: 3;
}

.analog-clock__hand--minute {
  width: 4px;
  height: 35%;
  margin-left: -2px;
  background: var(--color-accent);
  z-index: 4;
}

.analog-clock__hand--second {
  width: 2px;
  height: 40%;
  margin-left: -1px;
  background: #dc2626;
  z-index: 5;
}

.analog-clock__center {
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  border-radius: 50%;
  z-index: 6;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.analog-clock__digital-display {
  position: absolute;
  top: 60%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 2;
}

.analog-clock__digital-time {
  font-family: 'Inter', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.analog-clock__digital-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.analog-clock__tick {
  position: absolute;
  width: 2px;
  height: 8px;
  background: rgba(26, 26, 26, 0.2);
  top: 12px;
  left: 50%;
  transform-origin: center 188px;
  margin-left: -1px;
}

.analog-clock__tick--hour {
  width: 3px;
  height: 12px;
  background: rgba(26, 26, 26, 0.4);
  margin-left: -1.5px;
}

.analog-clock__number {
  position: absolute;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  left: 50%;
  top: 50%;
  z-index: 1;
}

.analog-clock__ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(26, 26, 26, 0.05);
  animation: pulse-ring 3s ease-out infinite;
}

.analog-clock__ring--1 {
  width: calc(100% + 20px);
  height: calc(100% + 20px);
}

.analog-clock__ring--2 {
  width: calc(100% + 40px);
  height: calc(100% + 40px);
  animation-delay: 1.5s;
}

/* Hero Features */
.hero__features {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero__feature {
  text-align: center;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.hero__feature:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.hero__feature h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.hero__feature p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

.hero__feature-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--color-white);
}

.hero__feature-icon svg {
  width: 24px;
  height: 24px;
}

/* World Map Section */
.world-map {
  padding: 6rem 0;
  background: rgba(255, 255, 255, 0.5);
}

.world-map__header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem;
}

.world-map__header h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
}

.world-map__header p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.world-map__container {
  margin-bottom: 3rem;
}

.world-map__leaflet-container {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
}

#map {
  border-radius: var(--border-radius-lg);
}

.world-map__message {
  max-width: 800px;
  margin: 0 auto;
}

.world-map__message-content {
  padding: 3rem;
  text-align: center;
}

.world-map__message-content h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.world-map__message-content p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.world-map__message-content strong {
  color: var(--color-accent);
  font-weight: 700;
}

/* Time Converter Section */
.time-converter {
  padding: 6rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  scroll-margin-top: 80px;
}

.time-converter__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.time-converter__header h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1rem;
}

.time-converter__header p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.time-converter__old-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem;
}

.time-converter__header h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
}

.time-converter__header p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.time-converter__form {
  max-width: 700px;
  margin: 0 auto;
  padding: 3rem;
}

.time-converter__form h3 {
  font-size: 1.75rem;
  margin-bottom: 2rem;
  text-align: center;
}

.time-converter__inputs {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.time-converter__input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.time-converter__input-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--color-text);
}

.time-converter__input-group label svg {
  color: var(--color-gold);
}

.time-converter__select,
.time-converter__input {
  padding: 1rem;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition-fast);
  background: white;
}

.time-converter__select:focus,
.time-converter__input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1);
}

/* Converter City Search */
.converter-city-search {
  position: relative;
  width: 100%;
}

.converter-city-search__results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-top: none;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  max-height: 250px;
  overflow-y: auto;
  z-index: 100;
  display: none;
  box-shadow: var(--shadow-medium);
}

.converter-city-search__results.active {
  display: block;
}

.converter-city-search__result {
  padding: 0.75rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: background var(--transition-fast);
}

.converter-city-search__result:last-child {
  border-bottom: none;
}

.converter-city-search__result:hover {
  background: rgba(0, 0, 0, 0.03);
}

.converter-city-search__result-name {
  font-weight: 600;
  color: var(--color-text);
}

.converter-city-search__result-country {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.converter-city-search__no-results {
  padding: 1rem;
  text-align: center;
  color: var(--color-text-muted);
}

/* Direction Toggle */
.time-converter__direction-toggle {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.time-converter__direction-btn {
  flex: 1;
  min-width: 140px;
  padding: 0.75rem 1rem;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius);
  background: white;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.time-converter__direction-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.time-converter__direction-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

.time-converter__button {
  width: 100%;
  padding: 1.25rem 2rem;
  background: var(--gradient-accent);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.time-converter__button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(26, 26, 26, 0.3);
}

.time-converter__button:active {
  transform: translateY(0);
}

.time-converter__button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.time-converter__result {
  margin-top: 2rem;
  padding: 2rem;
  background: rgba(26, 26, 26, 0.03);
  border-radius: var(--border-radius);
  animation: fadeInUp 0.5s ease-out;
}

.time-converter__result-header h4 {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 2rem;
}

.time-converter__result-comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .time-converter__result-comparison {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .time-converter__result-arrow {
    transform: rotate(90deg);
  }
}

.time-converter__result-original,
.time-converter__result-converted {
  text-align: center;
}

.time-converter__result-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.time-converter__result-time {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  font-family: 'Inter', monospace;
}

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

.time-converter__result-location {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.time-converter__result-arrow {
  color: var(--color-gold);
}

.time-converter__result-message {
  text-align: center;
  padding: 1.5rem;
  background: rgba(107, 114, 128, 0.1);
  border-radius: var(--border-radius);
}

.time-converter__result-message p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.time-converter__result-message strong {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.125rem;
}

/* Footer */
.footer {
  padding: 4rem 0 2rem;
  background: var(--color-accent);
  color: white;
}

.footer__content {
  text-align: center;
}

.footer__content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: white;
}

.footer__content p {
  color: rgba(255, 255, 255, 0.7);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.1);
    opacity: 0;
  }
}

/* Typewriter effect */
.typewriter {
  display: inline-block;
  border-right: 3px solid var(--color-gold);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% {
    border-color: var(--color-gold);
  }
  51%, 100% {
    border-color: transparent;
  }
}

/* Converter Page Styles */
.converter-hero {
  padding: 10rem 0 3rem;
  text-align: center;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.converter-hero__content {
  max-width: 700px;
  margin: 0 auto;
}

.converter-hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  margin-bottom: 1.5rem;
  color: var(--color-accent);
}

.converter-hero__subtitle {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.time-converter--page {
  padding-top: 2rem;
}

/* About Page Styles */
.about-hero {
  padding: 10rem 0 4rem;
  text-align: center;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.about-hero__content {
  max-width: 800px;
  margin: 0 auto;
}

.about-hero__title {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 900;
  margin-bottom: 1.5rem;
}

.about-hero__subtitle {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about-hero__description {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.about-features {
  padding: 4rem 0;
  background: rgba(255, 255, 255, 0.5);
}

.about-features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.about-features__card {
  padding: 2.5rem;
  text-align: center;
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-medium);
}

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

.about-features__icon {
  width: 70px;
  height: 70px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
}

.about-features__card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.about-features__card p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.about-section {
  padding: 5rem 0;
}

.about-section--alt {
  background: rgba(0, 0, 0, 0.02);
}

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

.about-section__content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
}

.about-section__content p {
  font-size: 1.125rem;
  line-height: 1.9;
  color: var(--color-text-muted);
}