/* ===== CSS Custom Properties ===== */
:root {
  --color-dark: #020807;
  --color-dark-section: #1b201f;
  --color-white: #ffffff;
  --color-cerulean: #0077b6;
  --color-border-dark: rgba(255, 255, 255, 0.2);
  --color-border-light: rgba(2, 8, 7, 0.15);
  --color-text-dark: #020807;
  --color-text-white: #ffffff;
  --font-heading: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-large: 16px;
  --radius-medium: 16px;
  --padding-global: 64px;
  --section-padding-large: 112px;
  --section-padding-medium: 80px;
  --max-width: 1280px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  color: var(--color-text-dark);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

/* ===== Skip Link ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 9999;
  padding: 0.75rem 1.5rem;
  background: var(--color-cerulean);
  color: var(--color-white);
  font-weight: 600;
}
.skip-link:focus { top: 0; }

/* ===== Focus ===== */
*:focus-visible {
  outline: 2px solid var(--color-cerulean);
  outline-offset: 2px;
}

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

/* ===== Typography ===== */
.heading-1 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(2.5rem, 5vw, 5.25rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.heading-2 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 3.75rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.heading-3 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.heading-4 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.5rem, 2.5vw, 2.5rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.text-medium { font-size: clamp(1rem, 1.25vw, 1.25rem); line-height: 1.5; }
.text-regular { font-size: clamp(0.9375rem, 1.1vw, 1.125rem); line-height: 1.5; }
.text-small { font-size: 1rem; line-height: 1.5; }
.tagline { font-size: 1rem; font-weight: 600; line-height: 1.5; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 6px 12px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.125rem;
  line-height: 1.5;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:hover { opacity: 0.85; }
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--color-cerulean);
  border-color: var(--color-cerulean);
  color: var(--color-white);
}
.btn-outline-light {
  background: transparent;
  border-color: var(--color-border-dark);
  color: var(--color-white);
}
.btn-outline-dark {
  background: transparent;
  border-color: var(--color-border-light);
  color: var(--color-text-dark);
}
.btn-link-dark {
  background: transparent;
  border: none;
  color: var(--color-text-dark);
  padding: 6px 0;
}
.btn-link-light {
  background: transparent;
  border: none;
  color: var(--color-white);
  padding: 6px 0;
}

.btn .chevron {
  width: 20px;
  height: 20px;
  display: inline-block;
}

/* ===== Navbar ===== */
.navbar {
  background: var(--color-dark);
  padding: 18px var(--padding-global);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.navbar .container {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.navbar-brand {
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--color-white);
}
.navbar-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  flex: 1;
  justify-content: center;
}
.navbar-links a {
  color: var(--color-white);
  font-size: 1.125rem;
  transition: opacity 0.2s;
}
.navbar-links a:hover { opacity: 0.7; }
.navbar-links a.active { opacity: 1; border-bottom: 2px solid var(--color-cerulean); padding-bottom: 2px; }
.navbar-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.lang-toggle {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.1);
  border-radius: 100px;
  padding: 2px;
}
.lang-toggle button {
  border: none;
  background: transparent;
  color: rgba(255,255,255,0.6);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.2s;
}
.lang-toggle button.active {
  background: var(--color-white);
  color: var(--color-dark);
}
.navbar-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.navbar-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  margin: 5px 0;
  transition: all 0.3s;
}

/* ===== Hero ===== */
.hero {
  background: var(--color-dark);
  padding: var(--section-padding-medium) var(--padding-global);
}
.hero-card {
  background: var(--color-dark);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-large);
  overflow: hidden;
  display: flex;
  align-items: stretch;
}
.hero-content {
  flex: 1;
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 32px;
  color: var(--color-white);
}
.hero-content .content-text { display: flex; flex-direction: column; gap: 24px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image {
  flex: 1;
  min-height: 400px;
  position: relative;
}
.hero-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Dark Features Section ===== */
.features-dark {
  background: var(--color-dark-section);
}
.feature-block {
  padding: var(--section-padding-large) var(--padding-global);
}
.feature-block .container {
  display: flex;
  gap: 80px;
  align-items: center;
}
.feature-block .feature-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 32px;
  color: var(--color-white);
}
.feature-block .section-title-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.feature-block .content-text {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.feature-block .feature-actions {
  display: flex;
  gap: 24px;
  align-items: center;
}
.feature-block .feature-image {
  flex: 1;
  aspect-ratio: 1;
  border-radius: var(--radius-large);
  overflow: hidden;
  position: relative;
}
.feature-block .feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-large);
}

/* ===== How It Works ===== */
.how-it-works {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--section-padding-large) var(--padding-global);
}
.how-it-works .container {
  display: flex;
  flex-direction: column;
  gap: 80px;
  align-items: center;
}
.how-header {
  text-align: center;
  max-width: 768px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}
.how-header .content-text {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
}
.how-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  width: 100%;
}
.how-card {
  border-radius: var(--radius-medium);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px;
  min-height: 360px;
  color: var(--color-white);
}
.how-card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.how-card-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.how-card-bg .overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}
.how-card-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.how-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.how-card-icon svg { width: 36px; height: 36px; fill: var(--color-white); }
.how-card-text { display: flex; flex-direction: column; gap: 16px; }
.how-card-actions {
  position: relative;
  z-index: 1;
}

/* ===== Traditional Section ===== */
.traditional {
  background: var(--color-dark-section);
  color: var(--color-white);
  padding: var(--section-padding-large) var(--padding-global);
}
.traditional .container {
  display: flex;
  gap: 80px;
  align-items: center;
}
.traditional-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.traditional-content .section-title-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.traditional-content .content-text {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.traditional-content .actions {
  display: flex;
  gap: 24px;
  align-items: center;
}
.traditional-image {
  flex: 1;
  border-radius: var(--radius-large);
  overflow: hidden;
  aspect-ratio: 600/640;
}
.traditional-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-large);
}

/* ===== FAQ ===== */
.faq {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--section-padding-large) var(--padding-global);
}
.faq .container {
  display: flex;
  flex-direction: column;
  gap: 80px;
}
.faq-header {
  max-width: 768px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.faq-list {
  border-bottom: 1px solid var(--color-border-dark);
}
.faq-item {
  border-top: 1px solid var(--color-border-dark);
}
.faq-question {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 0;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(1rem, 1.25vw, 1.25rem);
  line-height: 1.5;
  color: var(--color-white);
  text-align: left;
}
.faq-question span { flex: 1; }
.faq-question .faq-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  transition: transform 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq-question .faq-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--color-white);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.faq-item.open .faq-icon { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-answer-inner {
  padding-bottom: 24px;
  max-width: 768px;
}
.faq-item.open .faq-answer { max-height: 500px; }
.faq-see-all {
  margin-top: 32px;
}

.faq-contact {
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.faq-contact .content-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ===== CTA ===== */
.cta {
  background: var(--color-dark);
}
.cta-content {
  padding: var(--section-padding-large) var(--padding-global);
  text-align: center;
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cta-content .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  max-width: 768px;
}
.cta-content .content-text {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
}
.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.cta-image {
  width: 100%;
  aspect-ratio: 1440/810;
  overflow: hidden;
}
.cta-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-dark);
  padding: var(--section-padding-medium) var(--padding-global);
  color: var(--color-white);
}
.site-footer .container {
  display: flex;
  flex-direction: column;
  gap: 80px;
}
.footer-top {
  display: flex;
  align-items: center;
  gap: 32px;
}
.footer-brand {
  flex: 1;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.5rem;
}
.footer-links {
  display: flex;
  gap: 32px;
  list-style: none;
  font-weight: 600;
  font-size: 1rem;
}
.footer-links a { transition: opacity 0.2s; }
.footer-links a:hover { opacity: 0.7; }
.footer-social {
  flex: 1;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  transition: opacity 0.2s;
}
.footer-social a:hover { opacity: 0.7; }
.footer-social svg { width: 20px; height: 20px; fill: var(--color-white); }
.footer-network {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border-dark);
}
.footer-network-label {
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.6;
  white-space: nowrap;
}
.footer-network-links {
  display: flex;
  gap: 24px;
  list-style: none;
}
.footer-network-links a {
  font-size: 0.9375rem;
  transition: opacity 0.2s;
}
.footer-network-links a:hover {
  opacity: 0.7;
}
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
}
.footer-divider {
  width: 100%;
  height: 1px;
  background: var(--color-border-dark);
}
.footer-credits {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 1rem;
}
.footer-credits a { text-decoration: underline; transition: opacity 0.2s; }
.footer-credits a:hover { opacity: 0.7; }

/* ===== Page Header (for inner pages) ===== */
.page-header {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--section-padding-medium) var(--padding-global);
}
.page-header .container {
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ===== Page Content (for inner pages) ===== */
.page-content {
  background: var(--color-dark-section);
  color: var(--color-white);
  padding: var(--section-padding-medium) var(--padding-global);
}
.page-content .container {
  max-width: 900px;
}
.page-content h2 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin-top: 48px;
  margin-bottom: 16px;
}
.page-content h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  margin-top: 32px;
  margin-bottom: 12px;
}
.page-content p {
  margin-bottom: 16px;
  line-height: 1.7;
}
.page-content ul, .page-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}
.page-content li {
  margin-bottom: 8px;
  line-height: 1.7;
}
.page-content a {
  color: var(--color-cerulean);
  text-decoration: underline;
}
.page-content a:hover {
  opacity: 0.8;
}
.page-content strong {
  font-weight: 600;
}

/* ===== Contact Form ===== */
.contact-section {
  background: var(--color-dark-section);
  color: var(--color-white);
  padding: var(--section-padding-medium) var(--padding-global);
}
.contact-section .container {
  max-width: 1100px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  align-items: start;
}
.contact-form-wrapper {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-weight: 600;
  font-size: 0.9375rem;
}
.form-group .required {
  color: #ff6b6b;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border-dark);
  border-radius: 8px;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-white);
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-cerulean);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
.form-group select option {
  background: var(--color-dark);
  color: var(--color-white);
}
.form-group textarea {
  min-height: 150px;
  resize: vertical;
}
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #ff6b6b;
}
.form-group .error-message {
  color: #ff6b6b;
  font-size: 0.875rem;
  display: none;
}
.form-group .error-message.visible {
  display: block;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.form-submit {
  display: flex;
  align-items: center;
  gap: 16px;
}
.form-submit .btn {
  padding: 12px 32px;
}
.form-submit .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.form-status {
  padding: 16px;
  border-radius: 8px;
  display: none;
  font-size: 0.9375rem;
}
.form-status.success {
  display: block;
  background: rgba(0, 200, 83, 0.1);
  border: 1px solid rgba(0, 200, 83, 0.3);
  color: #69f0ae;
}
.form-status.error {
  display: block;
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.3);
  color: #ff6b6b;
}

/* Honeypot - hidden from real users */
.form-hp {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* Contact sidebar */
.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.contact-info-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-medium);
}
.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-info-item svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 2px;
  stroke: var(--color-cerulean);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.contact-info-item .info-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contact-info-item .info-label {
  font-weight: 600;
  font-size: 0.9375rem;
}
.contact-info-item .info-value {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}
.contact-info-item .info-value a {
  color: var(--color-cerulean);
  text-decoration: none;
}
.contact-info-item .info-value a:hover {
  text-decoration: underline;
}

/* ===== About Page ===== */
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.value-card {
  padding: 32px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-medium);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.value-card svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-cerulean);
  fill: none;
  stroke-width: 2;
}
.value-card h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
}
.value-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root {
    --padding-global: 40px;
    --section-padding-large: 80px;
    --section-padding-medium: 60px;
  }
  .feature-block .container { gap: 48px; }
  .traditional .container { gap: 48px; }
  .contact-section .container { gap: 48px; }
}

@media (max-width: 768px) {
  :root {
    --padding-global: 20px;
    --section-padding-large: 60px;
    --section-padding-medium: 40px;
  }

  .navbar-links { display: none; }
  .navbar-hamburger { display: block; }
  .navbar-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-dark);
    padding: 1.5rem var(--padding-global);
    gap: 1rem;
    border-top: 1px solid var(--color-border-dark);
  }

  .hero-card { flex-direction: column; }
  .hero-image { min-height: 280px; aspect-ratio: 4/3; }
  .hero-content { padding: 32px 24px; }

  .feature-block .container { flex-direction: column; gap: 32px; }
  .feature-block .feature-image { width: 100%; aspect-ratio: 4/3; }

  .how-cards { grid-template-columns: 1fr; }

  .traditional .container { flex-direction: column; gap: 32px; }
  .traditional-image { width: 100%; aspect-ratio: 4/3; }

  .footer-top { flex-direction: column; gap: 24px; text-align: center; }
  .footer-brand { flex: none; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
  .footer-social { flex: none; justify-content: center; }
  .footer-credits { flex-direction: column; gap: 12px; text-align: center; }
  .footer-network { flex-direction: column; gap: 12px; text-align: center; }
  .footer-network-links { flex-wrap: wrap; justify-content: center; gap: 16px; }

  /* Contact form responsive */
  .contact-section .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }

  /* About values responsive */
  .about-values {
    grid-template-columns: 1fr;
  }
}