/* Revival27.hu - Modern One-Pager Stylesheet */

/* ===== CSS Custom Properties ===== */
:root {
  /* Colors */
  --color-primary: #d40000;
  --color-primary-dark: #b30000;
  --color-secondary: #353798;
  --color-secondary-light: #4a4db0;
  --color-text: #323232;
  --color-text-light: #666666;
  --color-text-muted: #888888;
  --color-bg-light: #f8f8fa;
  --color-bg-section: #e5e4ec;
  --color-bg-grey: #eeeef3;
  --color-white: #ffffff;
  --color-dark: #323232;

  /* Typography */
  --font-heading: "Roboto Condensed", sans-serif;
  --font-body: "Roboto", sans-serif;

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

  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 50%;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 80px; /* Offset for fixed navbar */
}

body {
  position: relative;
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.6;
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-primary);
}

/* Focus states for accessibility */
a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}
h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
}
h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}
h4 {
  font-size: 1.125rem;
}

p {
  margin-bottom: 1rem;
}

.text-center {
  text-align: center;
}
.text-white {
  color: var(--color-white);
}
.text-muted {
  color: var(--color-text-muted);
}
.text-primary {
  color: var(--color-primary);
}
.text-secondary {
  color: var(--color-secondary);
}

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

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

.section-sm {
  padding: var(--space-2xl) 0;
}

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

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

.section-dark {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  max-width: 700px;
  margin: 0 auto;
  color: var(--color-text-light);
  font-size: 1.125rem;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition:
    background-color var(--transition-base),
    box-shadow var(--transition-base);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.navbar-logo {
  display: flex;
  align-items: center;
}

.navbar-logo img {
  height: 40px;
  width: auto;
}

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

.navbar-link {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: var(--space-xs) 0;
  position: relative;
}

.navbar-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

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

.navbar-link:hover::after {
  width: 100%;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  height: 48px;
  padding: 0 1.75rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-light);
  border-color: var(--color-secondary-light);
  color: var(--color-white);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  background-color: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-text);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}

.btn-outline-dark:hover {
  background-color: var(--color-text);
  color: var(--color-white);
}

.btn-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-dark);
  overflow: hidden;
  padding-top: 70px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.4;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(50, 50, 50, 0.9) 0%,
    rgba(50, 50, 50, 0.6) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-2xl) var(--container-padding);
  max-width: 900px;
}

.hero-title {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  font-weight: 300;
}

.hero-title strong {
  font-weight: 700;
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

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

/* ===== Funding Badge ===== */
.funding-badge {
  position: absolute;
  top: 70px;
  right: 0px;
  z-index: 1001;
}

.funding-badge img {
  height: 120px;
  width: auto;
}

@media (max-width: 1024px) {
  .funding-badge {
    top: 15px;
    right: 15px;
  }

  .funding-badge img {
    height: 90px;
  }
}

@media (max-width: 768px) {
  .funding-badge {
    top: 80px;
    right: 10px;
  }
  
  .funding-badge img {
    height: 80px;
  }
}

@media (max-width: 480px) {
  .funding-badge {
    top: 75px;
    right: 5px;
  }
  
  .funding-badge img {
    height: 70px;
  }
}

/* ===== Chips / Tags ===== */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  background-color: rgba(255, 255, 255, 0.08);
  border: none;
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.chip-dark {
  background-color: var(--color-bg-grey);
  color: var(--color-text);
}

/* ===== Cards ===== */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
  color: var(--color-secondary);
}

.card-text {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0;
}

.card-link {
  display: inline-flex;
  align-items: center;
  margin-top: var(--space-md);
  font-weight: 500;
  color: var(--color-primary);
}

.card-link:hover {
  color: var(--color-primary-dark);
}

.card-link svg {
  margin-left: 0.5rem;
  transition: transform var(--transition-fast);
}

.card-link:hover svg {
  transform: translateX(4px);
}

/* ===== Grid Layouts ===== */
.grid {
  display: grid;
  gap: var(--space-lg);
}

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

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

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

.grid-5 {
  grid-template-columns: repeat(5, 1fr);
}

.grid-6 {
  grid-template-columns: repeat(3, 1fr);
}

/* ===== What We Do Section ===== */
.services-list {
  display: grid;
  gap: var(--space-md);
  list-style: none;
  max-width: 900px;
  margin: 0 auto;
}

.services-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 1.05rem;
  line-height: 1.6;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.services-list li:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.services-list li::before {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 0.55rem;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

/* ===== Why Section - Micro Cards ===== */
.micro-card {
  padding: var(--space-lg);
  border-left: 3px solid var(--color-primary);
  background-color: var(--color-white);
  transition: border-color var(--transition-base);
}

.micro-card:hover {
  border-color: var(--color-secondary);
}

.micro-card h4 {
  color: var(--color-secondary);
  margin-bottom: var(--space-xs);
}

.micro-card p {
  margin-bottom: 0;
  color: var(--color-text-light);
}

/* ===== Academic Section ===== */
.academic-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.academic-text h2 {
  margin-bottom: var(--space-md);
}

.academic-text p {
  color: var(--color-text-light);
  font-size: 1.05rem;
}

.academic-highlight {
  padding: var(--space-md);
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  margin-top: var(--space-md);
  font-style: italic;
  color: var(--color-text-muted);
}

.academic-visual img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ===== Reference Projects ===== */
.reference-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.reference-card .card-text {
  flex-grow: 1;
}

/* ===== Services Grid ===== */
.service-tile {
  text-align: center;
  padding: var(--space-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.service-tile:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.service-tile:hover h4 {
  color: var(--color-white);
}

.service-tile h4 {
  font-size: 1rem;
  margin-top: var(--space-sm);
  transition: color var(--transition-base);
}

.service-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto;
  opacity: 0.8;
}

/* ===== Process Section ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-md);
  background-color: var(--color-secondary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  border-radius: var(--radius-full);
}

.process-step h4 {
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.process-step p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* ===== Team Section ===== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-lg);
}

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

.team-photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  filter: grayscale(20%);
  transition:
    filter var(--transition-base),
    transform var(--transition-base);
}

.team-member:hover .team-photo {
  filter: grayscale(0%);
  transform: scale(1.02);
}

.team-name {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-text);
}

/* ===== Contact / CTA Section ===== */
.cta-section {
  text-align: center;
  padding: var(--space-3xl) var(--container-padding);
  background: linear-gradient(135deg, var(--color-secondary) 0%, #2a2b70 100%);
  color: var(--color-white);
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-section p {
  max-width: 650px;
  margin: 0 auto var(--space-lg);
  font-size: 1.1rem;
  opacity: 0.9;
}

.contact-info {
  margin-top: var(--space-xl);
  font-size: 1rem;
}

.contact-info a {
  color: var(--color-white);
  text-decoration: underline;
}

.contact-info a:hover {
  opacity: 0.8;
}

/* ===== Footer ===== */
.footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-xl) 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-logo img {
  height: 30px;
  opacity: 0.5;
}

.footer-text {
  font-size: 0.9rem;
}

.footer-motto {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  opacity: 0.5;
}

/* ===== Utility Classes ===== */
.mb-0 {
  margin-bottom: 0;
}
.mb-sm {
  margin-bottom: var(--space-sm);
}
.mb-md {
  margin-bottom: var(--space-md);
}
.mb-lg {
  margin-bottom: var(--space-lg);
}
.mb-xl {
  margin-bottom: var(--space-xl);
}

.mt-0 {
  margin-top: 0;
}
.mt-sm {
  margin-top: var(--space-sm);
}
.mt-md {
  margin-top: var(--space-md);
}
.mt-lg {
  margin-top: var(--space-lg);
}

.hidden {
  display: none;
}

/* ===== Responsive Design ===== */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --container-padding: 1.25rem;
  }

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

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

  .grid-5 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .academic-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --space-3xl: 4rem;
    --space-2xl: 3rem;
  }

  .navbar-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .navbar-toggle {
    display: flex;
  }

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

  .navbar-toggle.active span:nth-child(2) {
    opacity: 0;
  }

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

  .hero {
    min-height: auto;
    padding: 120px 0 80px;
  }

  .hero-content {
    padding: var(--space-lg) var(--container-padding);
  }

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

  .hero-cta .btn {
    width: 100%;
    max-width: 280px;
  }

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

  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5,
  .grid-6 {
    grid-template-columns: 1fr;
  }

  .services-list {
    grid-template-columns: 1fr;
  }

  .services-list li {
    padding: var(--space-sm);
  }

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

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .academic-visual img {
    height: 200px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  :root {
    --space-3xl: 3rem;
    --space-2xl: 2rem;
    --container-padding: 1rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .hero-chips {
    gap: var(--space-xs);
  }

  .chip {
    font-size: 0.7rem;
    padding: 0.35rem 0.7rem;
  }

  .card {
    padding: var(--space-md);
  }

  .micro-card {
    padding: var(--space-md);
  }

  .micro-card h4 {
    font-size: 1rem;
  }

  .services-list li {
    font-size: 0.95rem;
    padding: var(--space-xs) var(--space-sm);
  }

  .process-number {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .team-name {
    font-size: 0.9rem;
  }

  .service-tile {
    padding: var(--space-md);
  }

  .service-tile h4 {
    font-size: 0.9rem;
  }

  .service-icon {
    width: 40px;
    height: 40px;
  }

  .cta-section {
    padding: var(--space-2xl) var(--container-padding);
  }

  .cta-section p {
    font-size: 1rem;
  }

  .academic-visual img {
    height: 180px;
  }

  .section-header p {
    font-size: 1rem;
  }
}

/* ===== EU Infoblokk ===== */
.eu-infoblokk {
  position: absolute;
  top: 70px;
  right: 0;
  z-index: 999;
  display: block;
  background: #fff;
  border-radius: 6px 0 0 6px;
  box-shadow: -2px 2px 12px rgba(0,0,0,0.15);
  padding: 6px 10px 6px 10px;
  text-decoration: none;
  transition: box-shadow 0.2s;
}

.eu-infoblokk:hover {
  box-shadow: -2px 4px 18px rgba(0,0,0,0.22);
}

.eu-infoblokk img {
  display: block;
  height: 72px;
  width: auto;
  max-width: 260px;
}

@media (max-width: 767px) {
  .eu-infoblokk img {
    height: 52px;
  }
}

/* Print styles */
@media print {
  .navbar,
  .hero-cta,
  .btn {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }

  .section {
    padding: 1.5rem 0;
  }
}