:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e8f0;
  --fg-muted: #8888a0;
  --accent: #4d7cff;
  --accent-bright: #6d9bff;
  --accent-glow: rgba(77, 124, 255, 0.15);
  --gradient: linear-gradient(135deg, #4d7cff 0%, #a855f7 50%, #ec4899 100%);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1100px;
  --radius: 16px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ====== HERO ====== */
.hero {
  padding: 100px 24px 80px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.12;
  margin-bottom: 24px;
  color: #fff;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* Browser Mock */
.hero-visual {
  display: flex;
  justify-content: center;
}

.browser-mock {
  width: 100%;
  max-width: 460px;
  background: var(--bg-surface);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 80px var(--accent-glow);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--bg-card);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28c840; }

.browser-url {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--fg-muted);
  margin-left: 12px;
  background: var(--bg);
  padding: 4px 16px;
  border-radius: 6px;
  flex: 1;
  max-width: 200px;
}

.browser-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mock-nav {
  height: 8px;
  width: 60%;
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
}

.mock-hero-block {
  height: 80px;
  background: linear-gradient(135deg, var(--accent-glow) 0%, rgba(168,85,247,0.12) 100%);
  border-radius: 10px;
  border: 1px solid rgba(77,124,255,0.15);
}

.mock-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.mock-card {
  height: 50px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.04);
}

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

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

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 50px;
}

.problem-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 50px;
}

.p-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: border-color 0.3s;
}

.p-card:hover {
  border-color: rgba(77,124,255,0.3);
}

.p-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.p-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.problem-statement {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 16px;
}

.problem-answer {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-bright);
}

/* ====== HOW ====== */
.how {
  padding: 100px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 60px;
  text-align: center;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.step-num {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(77,124,255,0.25);
  border-radius: 12px;
  padding: 10px 18px;
  min-width: 56px;
  text-align: center;
  flex-shrink: 0;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 0.98rem;
  max-width: 560px;
  line-height: 1.7;
}

/* ====== RESULTS ====== */
.results {
  padding: 100px 24px;
  background: var(--bg-surface);
}

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

.results h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 50px;
  text-align: center;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.r-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 36px 32px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: transform 0.3s, border-color 0.3s;
}

.r-card:hover {
  transform: translateY(-4px);
  border-color: rgba(77,124,255,0.3);
}

.r-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.r-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}

.r-card p {
  color: var(--fg-muted);
  font-size: 0.93rem;
  line-height: 1.65;
}

/* ====== CLOSING ====== */
.closing {
  padding: 120px 24px;
  text-align: center;
  max-width: var(--max-w);
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
  line-height: 1.2;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ====== FOOTER ====== */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

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

/* ====== NAV ====== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

/* ====== BUTTONS ====== */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 10px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-block;
  color: var(--fg-muted);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 14px 20px;
  text-decoration: none;
  transition: color 0.2s;
}

.btn-ghost:hover {
  color: var(--fg);
}

.btn-nav {
  display: inline-block;
  background: var(--accent-glow);
  color: var(--accent-bright);
  border: 1px solid rgba(77,124,255,0.3);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}

.btn-nav:hover {
  background: rgba(77,124,255,0.25);
  border-color: rgba(77,124,255,0.6);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 36px;
  flex-wrap: wrap;
}

/* ====== PORTFOLIO ====== */
.portfolio {
  padding: 100px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.portfolio h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  text-align: center;
}

.portfolio-sub {
  color: var(--fg-muted);
  text-align: center;
  margin-bottom: 56px;
  font-size: 1rem;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.port-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.05);
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}

.port-card:hover {
  transform: translateY(-4px);
  border-color: rgba(77,124,255,0.3);
}

.port-card--link {
  text-decoration: none;
  display: block;
}

.port-card--link .port-meta h3,
.port-card--link .port-meta p {
  color: var(--fg-muted);
}

.port-card--link:hover .port-meta h3 {
  color: var(--accent-bright);
}

/* Browser preview mock inside portfolio cards */
.port-preview {
  background: var(--bg-surface);
  padding: 0;
}

.pp-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--bg-card);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.pp-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}

.pp-url {
  font-size: 11px;
  color: var(--fg-muted);
  margin-left: 8px;
  background: var(--bg);
  padding: 3px 12px;
  border-radius: 4px;
}

.pp-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pp-hero-strip {
  height: 56px;
  border-radius: 8px;
}

.pp-hero-strip--warm {
  background: linear-gradient(135deg, rgba(251,146,60,0.3) 0%, rgba(239,68,68,0.2) 100%);
  border: 1px solid rgba(251,146,60,0.15);
}

.pp-hero-strip--ink {
  background: linear-gradient(135deg, rgba(200,200,210,0.12) 0%, rgba(80,80,90,0.2) 100%);
  border: 1px solid rgba(255,255,255,0.08);
}

.pp-block--ink {
  background: rgba(255,255,255,0.04);
}

.pp-hero-strip--auto {
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  border: 1px solid rgba(255,255,255,0.08);
}

.pp-block--auto {
  background: rgba(255,255,255,0.06);
}

.pp-hero-strip--blue {
  background: linear-gradient(135deg, rgba(77,124,255,0.3) 0%, rgba(59,130,246,0.2) 100%);
  border: 1px solid rgba(77,124,255,0.15);
}

.pp-hero-strip--purple {
  background: linear-gradient(135deg, rgba(168,85,247,0.3) 0%, rgba(236,72,153,0.2) 100%);
  border: 1px solid rgba(168,85,247,0.15);
}

.pp-row {
  display: flex;
  gap: 8px;
}

.pp-row--center {
  justify-content: center;
}

.pp-block {
  height: 28px;
  flex: 1;
  background: rgba(255,255,255,0.05);
  border-radius: 5px;
}

.pp-block--wide { flex: 2; }

.pp-block--tall { height: 56px; }

.pp-block-stack {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pp-block-stack .pp-block {
  height: 24px;
}

.pp-cta-bar {
  height: 20px;
  width: 50%;
  background: rgba(77,124,255,0.2);
  border-radius: 5px;
  margin: 0 auto;
}

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

.pp-card-sm {
  height: 40px;
  background: rgba(255,255,255,0.04);
  border-radius: 5px;
  border: 1px solid rgba(255,255,255,0.04);
}

.pp-hero-split {
  display: flex;
  gap: 10px;
  align-items: center;
}

.pp-avatar-mock {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(77,124,255,0.4), rgba(168,85,247,0.4));
  flex-shrink: 0;
}

.pp-text-stack {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pp-line {
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
}

.pp-line--wide { width: 100%; }
.pp-line--mid  { width: 70%; }
.pp-line--short { width: 40%; }

.pp-pill {
  height: 18px;
  width: 80px;
  border-radius: 20px;
  background: rgba(77,124,255,0.2);
  border: 1px solid rgba(77,124,255,0.2);
}

.port-meta {
  padding: 20px 24px 24px;
}

.port-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 8px;
  display: block;
}

.port-meta h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}

.port-meta p {
  color: var(--fg-muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* ====== REQUEST FORM ====== */
.request-form {
  padding: 100px 24px;
  background: var(--bg-surface);
}

.request-inner {
  max-width: 780px;
  margin: 0 auto;
}

.request-header {
  text-align: center;
  margin-bottom: 48px;
}

.request-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.request-sub {
  color: var(--fg-muted);
  font-size: 1rem;
}

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

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

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

.form-group--full {
  grid-column: 1 / -1;
}

.form-group label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
}

.required {
  color: var(--accent);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(136,136,160,0.5);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(77,124,255,0.5);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238888a0' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-group select option {
  background: var(--bg-card);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-footer {
  display: flex;
  justify-content: flex-end;
  padding-top: 4px;
}

.btn-submit {
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 36px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.btn-submit:hover:not(:disabled) {
  background: var(--accent-bright);
  transform: translateY(-2px);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-success {
  text-align: center;
  padding: 60px 20px;
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(77,124,255,0.15);
  border: 2px solid rgba(77,124,255,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--accent-bright);
  margin: 0 auto 20px;
}

.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.form-success p {
  color: var(--fg-muted);
  max-width: 400px;
  margin: 0 auto;
}

.form-error {
  margin-top: 12px;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 8px;
  padding: 12px 16px;
  color: #fca5a5;
  font-size: 0.9rem;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
  .hero {
    padding: 70px 20px 60px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-visual {
    order: -1;
  }
  .hero-sub {
    max-width: 100%;
  }
  .problem-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .results-grid {
    grid-template-columns: 1fr;
  }
  .step {
    flex-direction: column;
    gap: 16px;
  }
  .closing {
    padding: 80px 20px;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .form-footer {
    justify-content: stretch;
  }
  .btn-submit {
    width: 100%;
  }
  .hero-actions {
    gap: 4px;
  }
}