:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-elevated: #1a1a26;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --accent-glow: rgba(245, 158, 11, 0.25);
  --border: rgba(255,255,255,0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1120px;
}

* { margin:0; padding:0; box-sizing:border-box; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 60px;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, var(--accent-glow) 0%, transparent 60%),
    var(--bg);
}

.hero-inner {
  max-width: var(--max-w);
  width: 100%;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid rgba(245, 158, 11, 0.2);
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero h1 .accent {
  color: var(--accent);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 640px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--fg-muted);
  max-width: 200px;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 64px;
  background: var(--border);
  display: none;
}

@media (min-width: 768px) {
  .stat-divider { display: block; }
}

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 24px;
  background: var(--bg);
}

.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.problem-label,
.services-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem h2,
.services h2,
.industries h2,
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 48px;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .problem-grid { grid-template-columns: repeat(3, 1fr); }
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  transition: border-color 0.3s;
}

.problem-card:hover {
  border-color: rgba(245, 158, 11, 0.3);
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===== SERVICES ===== */
.services {
  padding: 100px 24px;
  background: var(--bg-card);
}

.services-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

.service-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  position: relative;
  transition: border-color 0.3s;
}

.service-card:hover {
  border-color: rgba(245, 158, 11, 0.3);
}

.service-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-dim);
  position: absolute;
  top: 20px;
  right: 24px;
  line-height: 1;
  color: rgba(245, 158, 11, 0.15);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===== INDUSTRIES ===== */
.industries {
  padding: 100px 24px;
  background: var(--bg);
  text-align: center;
}

.industries-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.industries-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  margin-bottom: 40px;
  margin-top: -24px;
}

.industries-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 64px;
}

.ind-tag {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--fg);
  transition: all 0.3s;
}

.ind-tag:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

.industries-proof {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.proof-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg);
}

.proof-label {
  display: block;
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 4px;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  text-align: center;
  background:
    radial-gradient(ellipse 80% 50% at 50% 110%, var(--accent-glow) 0%, transparent 60%),
    var(--bg-card);
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
}

.closing h2 {
  margin-bottom: 24px;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 48px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 4px;
}

.footer-contact {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
  .hero { min-height: auto; padding: 60px 20px 40px; }
  .hero-stats { gap: 24px; }
  .stat-num { font-size: 2rem; }
  .problem, .services, .industries { padding: 64px 20px; }
  .closing { padding: 80px 20px; }
  .industries-proof { gap: 32px; }
}

/* ===== CALCULATOR ===== */
.calculator {
  padding: 100px 24px;
  background: var(--bg-card);
}

.calculator-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.calc-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.calculator h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.calc-subtitle {
  font-size: 1.05rem;
  color: var(--fg-muted);
  margin-bottom: 56px;
  max-width: 560px;
}

.calc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 900px) {
  .calc-layout { grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
}

/* Inputs */
.calc-inputs { display: flex; flex-direction: column; gap: 28px; }

.calc-field label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-muted);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.calc-field select,
.calc-field input[type="number"] {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
  -webkit-appearance: none;
}

.calc-field select:focus,
.calc-field input[type="number"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.calc-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.calc-input-wrap input {
  padding-right: 80px;
}

.calc-input-prefix {
  position: absolute;
  left: 16px;
  color: var(--fg-muted);
  font-size: 1rem;
  pointer-events: none;
}

.calc-input-prefix + input {
  padding-left: 28px;
}

.calc-input-unit {
  position: absolute;
  right: 16px;
  font-size: 0.82rem;
  color: var(--fg-muted);
  pointer-events: none;
  white-space: nowrap;
}

.calc-hint {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 6px;
  opacity: 0.7;
}

/* Results */
.calc-results {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.calc-result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.calc-result-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.calc-result-val {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fg);
  white-space: nowrap;
}

.calc-result-val.red { color: #ef4444; }

.calc-result-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.calc-result-main {
  text-align: center;
  padding: 24px 0 8px;
}

.calc-result-main-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.calc-result-main-val {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
  transition: all 0.3s;
}

.calc-result-main-sub {
  font-size: 0.95rem;
  color: var(--fg-muted);
  min-height: 1.4em;
}

.calc-cta {
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #000;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  padding: 16px 28px;
  border-radius: 12px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
  margin-top: 4px;
}

.calc-cta:hover { opacity: 0.9; transform: translateY(-1px); }

.calc-disclaimer {
  font-size: 0.75rem;
  color: var(--fg-muted);
  opacity: 0.55;
  line-height: 1.5;
  text-align: center;
}

/* ===== CONTACT FORM ===== */
.contact-section {
  padding: 100px 24px;
  background: var(--bg);
}

.contact-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.contact-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.contact-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.contact-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  margin-bottom: 56px;
  max-width: 560px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 900px) {
  .contact-layout { grid-template-columns: 320px 1fr; gap: 80px; align-items: start; }
}

/* Trust items */
.contact-trust { display: flex; flex-direction: column; gap: 32px; }

.trust-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.trust-icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.trust-item strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}

.trust-item p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.55;
  margin: 0;
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 20px; }

.form-row { display: flex; flex-direction: column; gap: 20px; }

@media (min-width: 640px) {
  .form-row-2 { flex-direction: row; }
  .form-row-2 .form-field { flex: 1; }
}

.form-field { display: flex; flex-direction: column; gap: 8px; }

.form-field label {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-field input,
.form-field select,
.form-field textarea {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
  -webkit-appearance: none;
  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--fg-muted);
  opacity: 0.5;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-submit {
  background: var(--accent);
  color: #000;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 18px 32px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  margin-top: 8px;
  align-self: flex-start;
}

.form-submit:hover { opacity: 0.9; transform: translateY(-1px); }
.form-submit:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.form-success {
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 48px 24px;
  background: var(--bg-elevated);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 16px;
  gap: 12px;
}

.form-success-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-dim);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 4px;
}

.form-success strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

.form-success p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  max-width: 320px;
  margin: 0;
}

.form-error {
  color: #ef4444;
  font-size: 0.9rem;
  padding: 12px 16px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 10px;
}

@media (max-width: 480px) {
  .calculator, .contact-section { padding: 64px 20px; }
  .calc-results { padding: 24px 20px; }
}