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

:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --bg3: #1a1a24;
  --surface: #16161f;
  --surface2: #1e1e2a;
  --red: #e8173a;
  --red-dim: #a01028;
  --red-glow: rgba(232, 23, 58, 0.15);
  --orange: #f5821e;
  --text: #f0f0f5;
  --text-dim: #8888aa;
  --text-muted: #444460;
  --border: rgba(255, 255, 255, 0.06);
  --border-red: rgba(232, 23, 58, 0.3);
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--red-dim);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--red);
}

/* ── Nav ───────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: 64px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--text);
}

.nav-logo span {
  color: var(--red);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  background: var(--red);
  color: white !important;
  padding: 0.45rem 1.1rem;
  border-radius: 3px;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}

.nav-cta:hover {
  background: #c21030 !important;
  color: white !important;
}

#go-pro-btn:hover {
  background-color: rgb(220, 160, 40) !important;
}

/* ── Hero ──────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 6rem 2.5rem 4rem;
}

/* Animated grid background */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 23, 58, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 23, 58, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
}

/* Red glow orb */
#hero::after {
  content: '';
  position: absolute;
  top: -10%;
  left: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232, 23, 58, 0.12) 0%, transparent 70%);
  z-index: 0;
  animation: pulse 6s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.1);
    opacity: 0.7;
  }
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1.2rem;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--red);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 6vw, 6rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title .accent {
  color: var(--red);
}

.hero-title .outline {
  -webkit-text-stroke: 2px var(--text);
  color: transparent;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 440px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--red);
  color: white;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: 3px;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: #c21030;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.btn-secondary:hover {
  color: var(--text);
}

.btn-secondary::after {
  content: '→';
  transition: transform 0.2s;
}

.btn-secondary:hover::after {
  transform: translateX(4px);
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}

.stat-num span {
  color: var(--red);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

/* Hero right, featured tool card */
.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--orange));
}

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card-icon {
  width: 40px;
  height: 40px;
  background: var(--red-glow);
  border: 1px solid var(--border-red);
  border-radius: 6px;
  font-size: 1.2rem;
}

.card-icon img {
  width: 100%;
  height: 100%;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.card-body {
  padding: 1.5rem;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.input-group label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.input-group input,
.input-group select {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.6rem 0.8rem;
  outline: none;
  transition: border-color 0.2s;
}

.input-group input:focus,
.input-group select:focus {
  border-color: var(--red);
}

.input-group select option {
  background: var(--bg3);
}

.calc-btn {
  width: 100%;
  background: var(--red);
  color: white;
  border: none;
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.8rem;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 0.5rem;
}

.calc-btn:hover {
  background: #c21030;
}

.result-bar {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg3);
  border: 1px solid var(--border-red);
  border-radius: 4px;
}

.result-bar.show {
  display: block;
}

.result-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
}

.result-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--red);
}

.result-value span {
  font-size: 1rem;
  color: var(--text-dim);
  font-weight: 400;
}

.result-note {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.3rem;
}

/* ── Section shared ────────────────────────────────────────── */
section {
  padding: 5rem 2.5rem;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--red);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1;
  margin-bottom: 1rem;
}

.section-sub {
  color: var(--text-dim);
  font-size: 1rem;
  max-width: 520px;
  line-height: 1.7;
}

/* ── Tools Grid ────────────────────────────────────────────── */
#tools {
  background: var(--bg2);
}

.tools-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.category-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.tab {
  padding: 0.4rem 1rem;
  border-radius: 2px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  transition: all 0.2s;
}

.tab.active,
.tab:hover {
  background: var(--red);
  border-color: var(--red);
  color: white;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.tool-card {
  background: var(--surface);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: background 0.2s;
  position: relative;
  overflow: hidden;
}

.tool-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--red);
  transition: height 0.25s ease;
}

.tool-card:hover {
  background: var(--surface2);
}

.tool-card:hover::after {
  height: 100%;
}

.tool-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.tool-emoji {
  width: 44px;
  height: 44px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.tool-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
}

.badge-popular {
  background: rgba(232, 23, 58, 0.15);
  color: var(--red);
}

.badge-new {
  background: rgba(245, 130, 30, 0.15);
  color: var(--orange);
}

.tool-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tool-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.tool-arrow {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: auto;
  transition: color 0.2s, transform 0.2s;
}

.tool-card:hover .tool-arrow {
  color: var(--red);
  transform: translateX(4px);
}

/* ── Why VeltaCalc ───────────────────────────────────────────── */
#why {
  background: var(--bg);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.why-card {
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.why-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--red-glow);
  transform: translate(30%, 30%);
}

.why-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--text-muted);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.why-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}

.why-text {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ── Banner CTA ────────────────────────────────────────────── */
#cta-banner {
  background: var(--bg2);
  padding: 4rem 2.5rem;
  position: relative;
  overflow: hidden;
}

#cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(232, 23, 58, 0.08) 0%, transparent 60%);
}

.cta-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}

.cta-text .cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.1;
}

.cta-text .cta-sub {
  color: var(--text-dim);
  margin-top: 0.5rem;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}



/* ── Footer ────────────────────────────────────────────────── */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 3rem 2.5rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand .logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.footer-brand .logo span {
  color: var(--red);
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.6;
  max-width: 240px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col ul li a {
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: var(--text);
}

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text-dim);
}

/* ── Animations ────────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger children */
.fade-up:nth-child(1) {
  transition-delay: 0.05s;
}

.fade-up:nth-child(2) {
  transition-delay: 0.12s;
}

.fade-up:nth-child(3) {
  transition-delay: 0.19s;
}

.fade-up:nth-child(4) {
  transition-delay: 0.26s;
}

.fade-up:nth-child(5) {
  transition-delay: 0.33s;
}

.fade-up:nth-child(6) {
  transition-delay: 0.40s;
}

.fade-up:nth-child(7) {
  transition-delay: 0.47s;
}

.fade-up:nth-child(8) {
  transition-delay: 0.54s;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-card {
    display: none;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  nav {
    padding: 0 1.5rem;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 600px) {
  section {
    padding: 3.5rem 1.25rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 1.5rem;
  }
}

/* Related icons */

.related-icon {
  height: 2rem;
  width: 2rem;
}