/* ============================================
   ZEDA.RO — Dark + Neon AI Agency Site
   ============================================ */

/* === RESET & VARIABLES === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:           #0a0a0f;
  --bg-card:      #111118;
  --bg-card-hover:#16161f;
  --violet:       #7c3aed;
  --violet-light: #a855f7;
  --cyan:         #06b6d4;
  --cyan-light:   #22d3ee;
  --green:        #22c55e;
  --violet-glow:  rgba(124, 58, 237, 0.2);
  --cyan-glow:    rgba(6, 182, 212, 0.15);
  --text:         #f1f5f9;
  --text-muted:   #94a3b8;
  --text-dim:     #64748b;
  --border:       rgba(255, 255, 255, 0.07);
  --border-violet:rgba(124, 58, 237, 0.35);
  --border-cyan:  rgba(6, 182, 212, 0.3);
  --radius:       16px;
  --radius-sm:    10px;
  --transition:   0.25s ease;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
}

html {
  scroll-behavior: smooth;
}

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

/* === LAYOUT === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === TYPOGRAPHY === */
h1, h2, h3 {
  font-family: var(--font-heading);
  line-height: 1.2;
}

h1 { font-size: clamp(2.4rem, 6vw, 5rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 600; }
h3 { font-size: 1.1rem; font-weight: 600; }

.gradient-text {
  background: linear-gradient(135deg, var(--violet-light) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--violet), var(--violet-light));
  color: white;
  box-shadow: 0 0 30px var(--violet-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(124, 58, 237, 0.4), 0 8px 30px rgba(0,0,0,0.3);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  color: white;
  box-shadow: 0 0 30px rgba(34, 197, 94, 0.2);
}
.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(34, 197, 94, 0.35), 0 8px 30px rgba(0,0,0,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.btn-outline:hover {
  border-color: var(--violet);
  background: var(--violet-glow);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
  border-radius: var(--radius-sm);
  padding: 16px;
  font-size: 1rem;
}

.btn-nav {
  background: var(--violet-glow);
  border: 1px solid var(--border-violet);
  color: var(--violet-light);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition);
}
.btn-nav:hover {
  background: var(--violet);
  color: white;
  border-color: var(--violet);
}

/* === NAV === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: padding var(--transition);
}

.nav.scrolled {
  padding: 10px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.logo-dot { color: var(--violet-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a:not(.btn-nav) {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition);
}
.nav-links a:not(.btn-nav):hover {
  color: var(--text);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
}
.orb-1 {
  width: 700px;
  height: 700px;
  top: -200px;
  right: -150px;
  background: radial-gradient(circle, rgba(124,58,237,0.5) 0%, transparent 70%);
  animation: float 9s ease-in-out infinite;
}
.orb-2 {
  width: 500px;
  height: 500px;
  bottom: -100px;
  left: -100px;
  background: radial-gradient(circle, rgba(6,182,212,0.35) 0%, transparent 70%);
  animation: float 12s ease-in-out infinite reverse;
}

.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-40px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px 6px 10px;
  border-radius: 50px;
  background: var(--violet-glow);
  border: 1px solid var(--border-violet);
  color: var(--violet-light);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 28px;
}
.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--violet-light);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(168, 85, 247, 0.4); }
  50%       { opacity: 0.7; box-shadow: 0 0 0 6px rgba(168, 85, 247, 0); }
}

.hero-title {
  margin-bottom: 28px;
  letter-spacing: -2px;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 44px;
  max-width: 560px;
  line-height: 1.75;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}
.hero-note {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* === RESULTS === */
.results {
  padding: 70px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(124,58,237,0.06) 0%, transparent 50%, rgba(6,182,212,0.05) 100%);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.result-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--violet-light), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 8px;
}
.result-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

/* === SERVICES === */
.services {
  padding: 110px 0;
}
.services-alt {
  background: rgba(6,182,212,0.02);
}

.section-header {
  text-align: center;
  margin-bottom: 70px;
}
.section-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  background: var(--violet-glow);
  border: 1px solid var(--border-violet);
  color: var(--violet-light);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 18px;
}
.section-tag-cyan {
  background: var(--cyan-glow);
  border-color: var(--border-cyan);
  color: var(--cyan-light);
}
.section-header h2 { margin-bottom: 16px; }
.section-header p {
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--violet-light));
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: var(--border-violet);
  background: var(--bg-card-hover);
  transform: translateY(-5px);
  box-shadow: 0 24px 60px rgba(124, 58, 237, 0.12);
}
.service-card:hover::before { opacity: 1; }

.card-cyan::before {
  background: linear-gradient(90deg, var(--cyan), var(--cyan-light));
}
.card-cyan:hover {
  border-color: var(--border-cyan);
  box-shadow: 0 24px 60px rgba(6, 182, 212, 0.1);
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 18px;
  display: block;
}
.service-card h3 { margin-bottom: 10px; }
.service-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* === PROCESS === */
.process {
  padding: 110px 0;
  background: linear-gradient(to bottom, transparent, rgba(124,58,237,0.04), transparent);
}

.steps {
  display: flex;
  align-items: stretch;
  gap: 20px;
  margin-top: 20px;
}

.step {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: all var(--transition);
}
.step:hover {
  border-color: var(--border-violet);
  box-shadow: 0 20px 60px rgba(124, 58, 237, 0.1);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 24px;
}
.step-content h3 { margin-bottom: 12px; }
.step-content p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.step-arrow {
  font-size: 1.8rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  padding-top: 20px;
  flex-shrink: 0;
}

/* === CONTACT === */
.contact {
  padding: 110px 0;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}

.contact-info .section-tag { margin-bottom: 18px; }
.contact-info h2 { margin-bottom: 16px; }
.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 40px;
  font-size: 1.05rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text);
  transition: all var(--transition);
}
.contact-method:hover {
  border-color: var(--border-violet);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.method-icon { font-size: 1.4rem; flex-shrink: 0; }
.method-label { font-size: 0.78rem; color: var(--text-dim); margin-bottom: 3px; text-transform: uppercase; letter-spacing: 0.5px; }
.method-value { font-weight: 500; font-size: 0.95rem; }

/* Contact Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}
.form-group textarea { min-height: 120px; }

.form-note {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  margin-top: 14px;
}
.form-success {
  display: none;
  text-align: center;
  color: var(--green);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 500;
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 70px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 80px;
  padding-bottom: 60px;
}

.footer-brand .logo { display: block; margin-bottom: 14px; }
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-links { display: flex; gap: 60px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-heading { font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text); margin-bottom: 6px; }
.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dim);
  font-size: 0.83rem;
}

/* === SCROLL REVEAL === */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delay for grids */
.services-grid .service-card:nth-child(2) { transition-delay: 0.08s; }
.services-grid .service-card:nth-child(3) { transition-delay: 0.16s; }
.services-grid .service-card:nth-child(4) { transition-delay: 0.06s; }
.services-grid .service-card:nth-child(5) { transition-delay: 0.12s; }
.services-grid .service-card:nth-child(6) { transition-delay: 0.18s; }

.results-grid .result-item:nth-child(2) { transition-delay: 0.08s; }
.results-grid .result-item:nth-child(3) { transition-delay: 0.16s; }
.results-grid .result-item:nth-child(4) { transition-delay: 0.24s; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { grid-template-columns: 1fr; gap: 50px; }
  .steps { flex-wrap: wrap; }
  .step { min-width: calc(50% - 20px); }
  .step-arrow:last-of-type { display: none; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.97);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 20px;
    transform: translateY(-110%);
    opacity: 0;
    transition: all var(--transition);
    pointer-events: none;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .hamburger { display: flex; }

  .hero-title { letter-spacing: -1px; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .hero-cta .btn { width: 100%; justify-content: center; border-radius: var(--radius-sm); }

  .results-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .services-grid { grid-template-columns: 1fr; }

  .steps { flex-direction: column; }
  .step { min-width: unset; }
  .step-arrow { transform: rotate(90deg); align-self: center; padding: 0; }

  .form-row { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { flex-direction: column; gap: 30px; }
  .footer-bottom .container { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .results-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .contact-form { padding: 24px; }
  .hero-note { display: none; }
}