/* ===============================================
   FUERZAS AERONAVALES - ARMADA ARGENTINA
   Professional Naval Website Styles
   =============================================== */

/* === ROOT VARIABLES === */
:root {
  /* Naval Color Palette */
  --primary-dark: #0F172A;
  --primary-blue: #1E40AF;
  --accent-sky: #0EA5E9;
  --accent-gold: #FFD700;
  --white: #FFFFFF;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  
  /* Status Colors */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  
  /* Typography */
  --font-primary: 'Poppins', sans-serif;
  --font-secondary: 'Lora', serif;
  
  /* Spacing System (8px base) */
  --space-xs: 0.5rem;    /* 8px */
  --space-sm: 1rem;      /* 16px */
  --space-md: 1.5rem;    /* 24px */
  --space-lg: 2rem;      /* 32px */
  --space-xl: 3rem;      /* 48px */
  --space-2xl: 4rem;     /* 64px */
  --space-3xl: 6rem;     /* 96px */
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Borders */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* === RESET & BASE === */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
}

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

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition-normal);
}

ul {
  list-style: none;
}

/* === UTILITY CLASSES === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.section {
  padding: var(--space-3xl) 0;
}

.section__title {
  font-family: var(--font-secondary);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--primary-dark);
  text-align: center;
  margin-bottom: var(--space-2xl);
  line-height: 1.2;
}

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

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

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(14, 165, 233, 0.3); }
  50% { box-shadow: 0 0 40px rgba(14, 165, 233, 0.6); }
}

.fade-in {
  animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.4s; }
.fade-in:nth-child(4) { animation-delay: 0.6s; }

.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s ease-out;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* === HEADER === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: var(--transition-normal);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
}

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

.nav__logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.nav__title {
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--white);
}

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

.nav__link {
  color: var(--gray-200);
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-md);
  transition: var(--transition-normal);
}

.nav__link:hover,
.nav__link.active {
  color: var(--accent-sky);
  background: rgba(14, 165, 233, 0.1);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.nav__toggle span {
  width: 25px;
  height: 3px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition-normal);
}

/* === HERO SECTION === */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero__bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(30, 64, 175, 0.6) 100%);
  z-index: -1;
}

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

.hero__content {
  max-width: 600px;
  text-align: center;
  margin: 0 auto;
}

.hero__title {
  font-family: var(--font-secondary);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-sm);
  line-height: 1.1;
}

.hero__subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: var(--space-lg);
}

.hero__description {
  font-size: 1.125rem;
  color: var(--gray-200);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

.hero__cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-sky) 0%, var(--primary-blue) 100%);
  color: var(--white);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius-lg);
  font-weight: 600;
  font-size: 1.125rem;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.hero__cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  animation: glow 2s infinite;
}

/* === STATS SECTION === */
.stats {
  background: var(--primary-dark);
  color: var(--white);
  padding: var(--space-2xl) 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.stat__item {
  text-align: center;
}

.stat__number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: var(--space-xs);
  line-height: 1;
}

.stat__label {
  font-size: 1.125rem;
  color: var(--gray-300);
  font-weight: 500;
}

/* === HIGHLIGHTS SECTION === */
.highlights__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.highlight__card {
  background: var(--white);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  position: relative;
}

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

.highlight__image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

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

.highlight__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 0%, rgba(15, 23, 42, 0.8) 70%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  transition: var(--transition-normal);
}

.highlight__card:hover .highlight__overlay {
  opacity: 1;
}

.highlight__card:hover .highlight__image img {
  transform: scale(1.05);
}

.highlight__link {
  background: var(--accent-sky);
  color: var(--white);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  transform: translateY(20px);
  transition: var(--transition-normal);
}

.highlight__card:hover .highlight__link {
  transform: translateY(0);
}

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

.highlight__title {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-sm);
}

.highlight__description {
  color: var(--gray-600);
  line-height: 1.7;
}

/* === CTA BANNER === */
.cta-banner {
  position: relative;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
  padding: var(--space-3xl) 0;
  text-align: center;
  overflow: hidden;
}

.cta__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('https://images.pexels.com/photos/8828415/pexels-photo-8828415.jpeg?auto=compress&cs=tinysrgb&w=1920') center/cover;
  opacity: 0.1;
  z-index: -1;
}

.cta__title {
  font-family: var(--font-secondary);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-md);
}

.cta__description {
  font-size: 1.25rem;
  color: var(--gray-200);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta__button {
  display: inline-block;
  background: var(--accent-gold);
  color: var(--primary-dark);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius-lg);
  font-weight: 700;
  font-size: 1.125rem;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.cta__button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  background: #FFF8DC;
}

/* === PAGE HEADER === */
.page-header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
  padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl) 0;
  text-align: center;
  color: var(--white);
}

.page-header__title {
  font-family: var(--font-secondary);
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.page-header__subtitle {
  font-size: 1.25rem;
  color: var(--gray-200);
  font-weight: 400;
}

/* === OVERVIEW STYLES === */
.overview__intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  margin-bottom: var(--space-3xl);
}

.intro__title {
  font-family: var(--font-secondary);
  font-size: 2rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-lg);
}

.intro__text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: var(--space-md);
}

.intro__image {
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.intro__img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.objectives__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.objective__card {
  background: var(--white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition-normal);
  border: 2px solid transparent;
}

.objective__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-sky);
}

.objective__icon {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
}

.objective__title {
  font-family: var(--font-secondary);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-sm);
}

.objective__description {
  color: var(--gray-600);
  line-height: 1.7;
}

/* Organization Styles */
.organization__content {
  background: var(--gray-50);
  padding: var(--space-2xl);
  border-radius: var(--border-radius-xl);
}

.org__title {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-dark);
  text-align: center;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 3px solid var(--accent-gold);
}

.org__branches {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.org__branch {
  background: var(--white);
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.branch__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary-blue);
  margin-bottom: var(--space-md);
}

.branch__units {
  list-style: none;
}

.branch__units li {
  padding: var(--space-xs) 0;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-200);
}

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

/* === TIMELINE STYLES === */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--accent-sky), var(--primary-blue));
  transform: translateX(-50%);
}

.timeline__item {
  position: relative;
  margin-bottom: var(--space-3xl);
  display: flex;
  align-items: center;
}

.timeline__item:nth-child(odd) {
  flex-direction: row;
}

.timeline__item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline__marker {
  position: absolute;
  left: 50%;
  width: 20px;
  height: 20px;
  background: var(--accent-gold);
  border: 4px solid var(--white);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 1;
  box-shadow: var(--shadow-md);
}

.timeline__content {
  background: var(--white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: calc(50% - 40px);
  position: relative;
  transition: var(--transition-normal);
}

.timeline__content:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

.timeline__date {
  display: inline-block;
  background: var(--primary-blue);
  color: var(--white);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

.timeline__title {
  font-family: var(--font-secondary);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-sm);
}

.timeline__text {
  color: var(--gray-600);
  line-height: 1.7;
}

/* === HISTORICAL SHIPS === */
.ships__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.ship__card {
  background: var(--white);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
}

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

.ship__image-container {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.ship__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.ship__card:hover .ship__image {
  transform: scale(1.05);
}

.ship__badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--accent-gold);
  color: var(--primary-dark);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: 0.875rem;
}

.ship__content {
  padding: var(--space-xl);
}

.ship__name {
  font-family: var(--font-secondary);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-xs);
}

.ship__class {
  color: var(--accent-sky);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.ship__description {
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.ship__legacy {
  padding: var(--space-md);
  background: var(--gray-50);
  border-radius: var(--border-radius-md);
  border-left: 4px solid var(--accent-sky);
}

/* === MISSIONS STYLES === */
.mission-categories {
  background: var(--gray-50);
  padding: var(--space-lg) 0;
}

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

.tab__btn {
  background: var(--white);
  color: var(--gray-600);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--border-radius-lg);
  font-weight: 500;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.tab__btn:hover,
.tab__btn.active {
  background: var(--primary-blue);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.missions__category {
  display: none;
}

.missions__category.active {
  display: block;
}

.missions__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-xl);
}

.mission__card {
  background: var(--white);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
}

.mission__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.mission__image-container {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.mission__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mission__badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: 0.875rem;
}

.mission__badge--active {
  background: var(--success);
  color: var(--white);
}

.mission__content {
  padding: var(--space-xl);
}

.mission__title {
  font-family: var(--font-secondary);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-sm);
}

.mission__description {
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.mission__details {
  display: grid;
  gap: var(--space-sm);
}

.detail__item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--gray-200);
}

.detail__label {
  font-weight: 500;
  color: var(--gray-700);
}

.detail__value {
  color: var(--primary-blue);
  font-weight: 600;
}

/* Operations Timeline */
.operations__timeline {
  max-width: 900px;
  margin: 0 auto;
}

.operation__item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
  align-items: start;
}

.operation__year {
  background: var(--primary-blue);
  color: var(--white);
  padding: var(--space-md);
  border-radius: var(--border-radius-lg);
  font-weight: 700;
  font-size: 1.125rem;
  text-align: center;
  position: sticky;
  top: 100px;
}

.operation__content {
  background: var(--white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--accent-sky);
}

.operation__title {
  font-family: var(--font-secondary);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-md);
}

.operation__description {
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.operation__impact,
.operation__units {
  padding: var(--space-md);
  background: var(--gray-50);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-sm);
  font-size: 0.975rem;
}

.operation__impact strong,
.operation__units strong {
  color: var(--primary-blue);
}

/* Cooperation Cards */
.cooperation__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.cooperation__card {
  background: var(--white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  border-top: 4px solid var(--accent-sky);
}

.cooperation__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

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

.cooperation__title {
  font-family: var(--font-secondary);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-dark);
}

.cooperation__status {
  background: var(--success);
  color: var(--white);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: 500;
}

.cooperation__description {
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.cooperation__participants {
  font-size: 0.975rem;
  color: var(--primary-blue);
}

/* === FLEET STYLES === */
.fleet-filters {
  background: var(--gray-50);
  padding: var(--space-lg) 0;
}

.filters__container {
  text-align: center;
}

.filters__title {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-lg);
}

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

.filter__btn {
  background: var(--white);
  color: var(--gray-600);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--border-radius-lg);
  font-weight: 500;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.filter__btn:hover,
.filter__btn.active {
  background: var(--primary-blue);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.fleet__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-xl);
}

.fleet__card {
  background: var(--white);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  opacity: 1;
  transform: scale(1);
}

.fleet__card.hidden {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

.fleet__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  animation: glow 2s infinite;
}

.fleet__image-container {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.fleet__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.fleet__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 0%, rgba(15, 23, 42, 0.9) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  transition: var(--transition-normal);
}

.fleet__card:hover .fleet__overlay {
  opacity: 1;
}

.fleet__card:hover .fleet__image {
  transform: scale(1.1);
}

.fleet__view-btn {
  background: var(--accent-sky);
  color: var(--white);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  transform: translateY(20px);
  transition: var(--transition-normal);
}

.fleet__card:hover .fleet__view-btn {
  transform: translateY(0);
}

.fleet__content {
  padding: var(--space-xl);
}

.fleet__name {
  font-family: var(--font-secondary);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-xs);
}

.fleet__type {
  color: var(--accent-sky);
  font-weight: 500;
  margin-bottom: var(--space-lg);
}

.fleet__specs {
  display: grid;
  gap: var(--space-sm);
}

.spec__item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--gray-200);
}

.spec__label {
  font-weight: 500;
  color: var(--gray-700);
}

.spec__value {
  color: var(--primary-blue);
  font-weight: 600;
}

/* === GALLERY STYLES === */
.gallery-filters {
  background: var(--gray-50);
  padding: var(--space-lg) 0;
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.gallery__item {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  opacity: 1;
  transform: scale(1);
}

.gallery__item.hidden {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

.gallery__item:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.gallery__image-container {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.gallery__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.gallery__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 0%, rgba(15, 23, 42, 0.9) 70%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  opacity: 0;
  transition: var(--transition-normal);
}

.gallery__item:hover .gallery__overlay {
  opacity: 1;
}

.gallery__item:hover .gallery__image {
  transform: scale(1.1);
}

.gallery__title {
  color: var(--white);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.gallery__caption {
  color: var(--gray-200);
  font-size: 0.975rem;
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.gallery__view-btn {
  background: var(--accent-gold);
  color: var(--primary-dark);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  align-self: flex-start;
  transform: translateY(20px);
  transition: var(--transition-normal);
}

.gallery__item:hover .gallery__view-btn {
  transform: translateY(0);
}

/* === CONTACT STYLES === */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact__title {
  font-family: var(--font-secondary);
  font-size: 2rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-xl);
}

.info__item {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.info__item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(5px);
}

.info__icon {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-sky);
  border-radius: 50%;
  flex-shrink: 0;
}

.info__title {
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-xs);
}

.info__text {
  color: var(--gray-600);
  line-height: 1.6;
}

.emergency__contact {
  background: linear-gradient(135deg, var(--error) 0%, #DC2626 100%);
  color: var(--white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  margin-top: var(--space-xl);
}

.emergency__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.emergency__text {
  margin-bottom: var(--space-md);
}

.emergency__numbers {
  display: grid;
  gap: var(--space-sm);
}

.emergency__number {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--space-sm);
  border-radius: var(--border-radius-md);
}

.emergency__number a {
  color: var(--white);
  font-weight: 600;
}

/* === FORM STYLES === */
.contact__form-container {
  background: var(--white);
  padding: var(--space-2xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
}

.form__title {
  font-family: var(--font-secondary);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-xl);
  text-align: center;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.form__group {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-lg);
}

.form__label {
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--space-xs);
}

.form__input,
.form__select,
.form__textarea {
  padding: var(--space-md);
  border: 2px solid var(--gray-300);
  border-radius: var(--border-radius-md);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-normal);
  background: var(--white);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--accent-sky);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

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

.form__checkbox-container {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  color: var(--gray-600);
}

.form__checkbox {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.form__checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-300);
  border-radius: var(--border-radius-sm);
  position: relative;
  transition: var(--transition-normal);
}

.form__checkbox:checked + .form__checkmark {
  background: var(--accent-sky);
  border-color: var(--accent-sky);
}

.form__checkbox:checked + .form__checkmark::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--white);
  font-weight: bold;
  font-size: 0.875rem;
}

.form__link {
  color: var(--accent-sky);
  text-decoration: underline;
}

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

.form__submit {
  background: linear-gradient(135deg, var(--accent-sky) 0%, var(--primary-blue) 100%);
  color: var(--white);
  padding: var(--space-md) var(--space-2xl);
  border-radius: var(--border-radius-lg);
  font-weight: 600;
  font-size: 1.125rem;
  width: 100%;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.form__submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.form__submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.form__error {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
  display: none;
}

.form__error.show {
  display: block;
}

.form__success {
  background: var(--success);
  color: var(--white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  margin-top: var(--space-lg);
}

.form__success h3 {
  margin-bottom: var(--space-sm);
}

/* === MODAL STYLES === */
.fleet-modal,
.gallery-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.modal__content {
  position: relative;
  background: var(--white);
  border-radius: var(--border-radius-xl);
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: fadeInUp 0.3s ease-out;
}

.modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  z-index: 10;
  transition: var(--transition-normal);
}

.modal__close:hover {
  background: var(--error);
  transform: scale(1.1);
}

.modal__body {
  padding: var(--space-2xl);
}

/* Gallery Modal Specific */
.gallery-modal .modal__content {
  max-width: 95vw;
  max-height: 95vh;
  padding: 0;
  background: transparent;
}

.modal__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  transition: var(--transition-normal);
  z-index: 10;
}

.modal__nav--prev {
  left: var(--space-lg);
}

.modal__nav--next {
  right: var(--space-lg);
}

.modal__nav:hover {
  background: var(--white);
  transform: translateY(-50%) scale(1.1);
}

.modal__image-container {
  position: relative;
  text-align: center;
}

.modal__image {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--border-radius-lg);
}

.modal__info {
  background: var(--white);
  padding: var(--space-xl);
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

.modal__title {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-sm);
}

.modal__caption {
  color: var(--gray-600);
  line-height: 1.6;
}

/* === FOOTER === */
.footer {
  background: var(--primary-dark);
  color: var(--white);
  padding: var(--space-3xl) 0 var(--space-lg) 0;
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer__title {
  font-family: var(--font-secondary);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: var(--space-md);
}

.footer__subtitle {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-md);
}

.footer__text {
  color: var(--gray-300);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.footer__contact {
  margin-top: var(--space-md);
}

.footer__contact p {
  color: var(--gray-400);
  font-size: 0.975rem;
  margin-bottom: var(--space-xs);
}

.footer__links {
  display: grid;
  gap: var(--space-sm);
}

.footer__links a {
  color: var(--gray-300);
  transition: var(--transition-normal);
  padding: var(--space-xs) 0;
}

.footer__links a:hover {
  color: var(--accent-sky);
  padding-left: var(--space-sm);
}

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

.footer__social-link {
  background: var(--gray-800);
  color: var(--gray-300);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius-md);
  transition: var(--transition-normal);
  font-size: 0.975rem;
}

.footer__social-link:hover {
  background: var(--accent-sky);
  color: var(--white);
  transform: translateY(-2px);
}

.footer__bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: var(--space-lg);
  text-align: center;
  color: var(--gray-400);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .hero__title {
    font-size: 2.5rem;
  }
  
  .section__title {
    font-size: 2rem;
  }
  
  .highlights__grid,
  .fleet__grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  /* Navigation Mobile */
  .nav__menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--primary-dark);
    transition: var(--transition-normal);
    padding: var(--space-xl);
  }
  
  .nav__menu.active {
    left: 0;
  }
  
  .nav__list {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .nav__link {
    display: block;
    padding: var(--space-md);
    border-radius: var(--border-radius-md);
    background: var(--gray-800);
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav__toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  /* Hero Mobile */
  .hero__title {
    font-size: 2rem;
  }
  
  .hero__subtitle {
    font-size: 1.25rem;
  }
  
  .hero__description {
    font-size: 1rem;
  }
  
  /* Sections Mobile */
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .section__title {
    font-size: 1.75rem;
  }
  
  .page-header__title {
    font-size: 2rem;
  }
  
  /* Grid Mobile */
  .highlights__grid,
  .fleet__grid,
  .gallery__grid {
    grid-template-columns: 1fr;
  }
  
  .overview__intro {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .form__row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  /* Timeline Mobile */
  .timeline::before {
    left: 20px;
  }
  
  .timeline__item {
    flex-direction: row !important;
    margin-left: 40px;
  }
  
  .timeline__marker {
    left: 20px;
    transform: translateX(-50%);
  }
  
  .timeline__content {
    width: calc(100% - 60px);
  }
  
  /* Operations Mobile */
  .operation__item {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .operation__year {
    position: static;
  }
  
  /* Stats Mobile */
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
  
  .stat__number {
    font-size: 2rem;
  }
  
  /* Modal Mobile */
  .modal__content {
    max-width: 95vw;
    margin: var(--space-md);
  }
  
  .modal__nav {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }
  
  .modal__nav--prev {
    left: var(--space-sm);
  }
  
  .modal__nav--next {
    right: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .hero__title {
    font-size: 1.75rem;
  }
  
  .section__title {
    font-size: 1.5rem;
  }
  
  .page-header__title {
    font-size: 1.75rem;
  }
  
  .stats__grid {
    grid-template-columns: 1fr;
  }
  
  .filters__buttons {
    gap: var(--space-xs);
  }
  
  .filter__btn {
    font-size: 0.875rem;
    padding: var(--space-xs) var(--space-sm);
  }
  
  .fleet__card,
  .gallery__item {
    min-width: 280px;
  }
}

/* === LOADING STATES === */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.btn__loading {
  display: none;
}

.form__submit:disabled .btn__text {
  display: none;
}

.form__submit:disabled .btn__loading {
  display: inline;
}

/* === SMOOTH SCROLLING === */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-sky);
  outline-offset: 2px;
}

/* === PRINT STYLES === */
@media print {
  .header,
  .nav__toggle,
  .hero__cta,
  .cta-banner,
  .footer__social {
    display: none;
  }
  
  body {
    color: #000;
    background: #fff;
  }
  
  .hero,
  .page-header {
    background: none;
    color: #000;
  }
}