@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');
@import url('https://cdn.jsdelivr.net/npm/remixicon@2.5.0/fonts/remixicon.css');

:root {
  --crov-void: #0B0E14;
  --crov-panel: #121826;
  --crov-panel-light: #1B2333;
  --crov-copper: #FF7A33;
  --crov-copper-dark: #E0611C;
  --crov-signal: #22E6B0;
  --crov-signal-dark: #0FBF8F;
  --crov-violet: #8B6BFF;
  --crov-text-light: #F4F6FB;
  --crov-text-dim: #A7B0C3;
  --crov-border: #263047;
  --crov-shadow: rgba(255, 122, 51, 0.25);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--crov-void);
  color: var(--crov-text-light);
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--crov-void);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--crov-copper), var(--crov-signal));
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--crov-copper);
}

/* ===== Sticky Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--crov-panel);
  border-bottom: 1px solid var(--crov-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  transition: all 0.3s ease;
}

.site-header .logo-mark {
  filter: drop-shadow(0 0 8px var(--crov-shadow));
}

.nav-link {
  position: relative;
  color: var(--crov-text-dim);
  font-weight: 500;
  transition: color 0.25s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--crov-copper), var(--crov-signal));
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--crov-text-light);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--crov-signal);
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  background-color: var(--crov-panel);
  border-top: 1px solid var(--crov-border);
}

.mobile-menu-toggle {
  color: var(--crov-text-light);
  font-size: 1.75rem;
  cursor: pointer;
}

.mobile-menu a {
  color: var(--crov-text-dim);
  border-bottom: 1px solid var(--crov-border);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.mobile-menu a:hover {
  color: var(--crov-signal);
  padding-left: 8px;
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--crov-copper), var(--crov-copper-dark));
  color: #14100B;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  border: none;
  box-shadow: 0 6px 18px var(--crov-shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 26px var(--crov-shadow);
  filter: brightness(1.08);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--crov-signal);
  font-weight: 600;
  padding: 0.8rem 1.9rem;
  border-radius: 8px;
  border: 2px solid var(--crov-signal);
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--crov-signal);
  color: #06140F;
  box-shadow: 0 6px 20px rgba(34, 230, 176, 0.3);
}

.btn-ghost {
  color: var(--crov-text-light);
  border-bottom: 2px solid var(--crov-copper);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.btn-ghost:hover {
  color: var(--crov-copper);
  border-color: var(--crov-signal);
}

/* ===== Cards / Grid ===== */
.tech-card {
  background: var(--crov-panel);
  border: 1px solid var(--crov-border);
  border-radius: 14px;
  padding: 2rem;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.tech-card:hover {
  transform: translateY(-6px);
  border-color: var(--crov-copper);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.tech-card .icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 122, 51, 0.18), rgba(34, 230, 176, 0.18));
  color: var(--crov-copper);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.grid-line {
  background-image: linear-gradient(var(--crov-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--crov-border) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ===== Forms ===== */
.form-field {
  position: relative;
  margin-bottom: 1.5rem;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  background: var(--crov-panel-light);
  border: 1px solid var(--crov-border);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  color: var(--crov-text-light);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--crov-text-dim);
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--crov-signal);
  box-shadow: 0 0 0 3px rgba(34, 230, 176, 0.2);
}

.form-field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--crov-text-dim);
}

.form-submit-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ===== Accordion ===== */
.accordion-item {
  border: 1px solid var(--crov-border);
  border-radius: 10px;
  margin-bottom: 1rem;
  overflow: hidden;
  background: var(--crov-panel);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  cursor: pointer;
  color: var(--crov-text-light);
  font-weight: 600;
  transition: background 0.2s ease;
}

.accordion-header:hover {
  background: var(--crov-panel-light);
}

.accordion-header i {
  color: var(--crov-copper);
  transition: transform 0.3s ease;
}

.accordion-header.active i {
  transform: rotate(45deg);
}

.accordion-content {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: var(--crov-text-dim);
  border-top: 1px solid var(--crov-border);
}

/* ===== Cookie Banner ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--crov-panel);
  border-top: 1px solid var(--crov-copper);
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.45);
  padding: 1.25rem 1.5rem;
  color: var(--crov-text-light);
}

.cookie-banner h3 {
  color: #ffffff;
  font-weight: 700;
}

.cookie-banner p {
  color: var(--crov-text-dim);
  font-size: 0.9rem;
}

.cookie-banner a {
  color: #7FD8FF;
  text-decoration: underline;
}

.cookie-accept {
  background: linear-gradient(135deg, var(--crov-signal), var(--crov-signal-dark));
  color: #06140F;
  font-weight: 700;
  padding: 0.65rem 1.75rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.cookie-accept:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.cookie-decline {
  background: transparent;
  border: 1px solid var(--crov-border);
  color: var(--crov-text-dim);
  padding: 0.65rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.cookie-decline:hover {
  border-color: var(--crov-text-dim);
  color: var(--crov-text-light);
}

/* ===== Hero / Glow ===== */
.hero-glow {
  position: relative;
  overflow: hidden;
}

.hero-glow::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--crov-copper) 0%, transparent 70%);
  opacity: 0.25;
  filter: blur(40px);
  pointer-events: none;
}

.hero-glow::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--crov-signal) 0%, transparent 70%);
  opacity: 0.2;
  filter: blur(40px);
  pointer-events: none;
}

.gradient-text {
  background: linear-gradient(90deg, var(--crov-copper), var(--crov-signal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===== Loading Spinner ===== */
.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid var(--crov-border);
  border-top-color: var(--crov-copper);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===== Badges ===== */
.badge-popular {
  background: linear-gradient(135deg, var(--crov-copper), var(--crov-violet));
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

/* ===== Fade Animations ===== */
.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Section Divider ===== */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--crov-border), transparent);
}

/* ===== Utility Panels ===== */
.panel-alt {
  background-color: var(--crov-panel);
  border: 1px solid var(--crov-border);
}

.text-muted {
  color: var(--crov-text-dim);
}

.footer-links a {
  color: var(--crov-text-dim);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: var(--crov-signal);
  padding-left: 4px;
}

a {
  transition: color 0.2s ease;
}

::selection {
  background: var(--crov-copper);
  color: #14100B;
}