/* ============================================================
   DoerTech Solutions — Global Stylesheet
   Brand: Dark Premium AI / Automation SaaS
   ============================================================ */

:root {
  --bg-dark:       #050914;
  --bg-card:       #0d1526;
  --bg-card2:      #111c35;
  --accent-gold:   #f0c040;
  --accent-cyan:   #00d4ff;
  --accent-purple: #7b5ea7;
  --accent-green:  #00e5a0;
  --text-primary:  #f0f4ff;
  --text-muted:    #8899bb;
  --border:        rgba(255,255,255,0.07);
  --glow-gold:     0 0 32px rgba(240,192,64,0.25);
  --glow-cyan:     0 0 32px rgba(0,212,255,0.2);
  --radius:        16px;
  --radius-sm:     8px;
  --font:          'Inter', 'Segoe UI', sans-serif;
  --transition:    0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

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

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--accent-cyan); border-radius: 3px; }

/* ── Selection ── */
::selection { background: rgba(0,212,255,0.3); color: #fff; }

/* ── Typography ── */
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p  { color: var(--text-muted); line-height: 1.8; }

a { text-decoration: none; color: inherit; }

/* ── Gradient Text ── */
.grad-text {
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-cyan) 60%, var(--accent-purple) 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 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold), #e08c00);
  color: #050914;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-gold);
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--accent-cyan);
  color: var(--accent-cyan);
}
.btn-outline:hover {
  background: rgba(0,212,255,0.1);
  transform: translateY(-2px);
  box-shadow: var(--glow-cyan);
}
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-card2); }

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.card:hover {
  border-color: rgba(0,212,255,0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), var(--glow-cyan);
}

/* ── Section ── */
.section { padding: 100px 0; position: relative; }
.section-sm { padding: 60px 0; }

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

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-cyan);
  margin-bottom: 20px;
}
.section-label.gold {
  background: rgba(240,192,64,0.1);
  border-color: rgba(240,192,64,0.25);
  color: var(--accent-gold);
}

.text-center { text-align: center; }
.text-muted  { color: var(--text-muted); }

/* ── Grid helpers ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}

/* ── Divider gradient ── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0.2;
  margin: 0;
}

/* ── Noise overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── Fade-in animation ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(0,212,255,0.2); }
  50%       { box-shadow: 0 0 40px rgba(0,212,255,0.5); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.animate-fade-up { animation: fadeUp 0.7s ease both; }
.animate-float   { animation: float 4s ease-in-out infinite; }

/* ── Tag pill ── */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}
.tag-gold   { background: rgba(240,192,64,0.15); color: var(--accent-gold); }
.tag-cyan   { background: rgba(0,212,255,0.12);  color: var(--accent-cyan); }
.tag-green  { background: rgba(0,229,160,0.12);  color: var(--accent-green); }
.tag-purple { background: rgba(123,94,167,0.15); color: #b89de0; }

/* ── Nav ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(5,9,20,0.92);
  backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
  padding: 12px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  white-space: nowrap;
}
.nav-logo .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-cyan));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}
.nav-search {
  flex: 1;
  max-width: 320px;
  position: relative;
}
.nav-search input {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 9px 18px 9px 40px;
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: var(--transition);
}
.nav-search input:focus {
  border-color: rgba(0,212,255,0.4);
  background: rgba(0,212,255,0.05);
}
.nav-search input::placeholder { color: var(--text-muted); }
.nav-search .search-icon {
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.875rem;
  pointer-events: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin-left: auto;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.07);
}
.nav-cta { margin-left: 8px; }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

@media (max-width: 900px) {
  .nav-search { display: none; }
  .nav-links { display: none; }
  .nav-cta   { display: none; }
  .nav-hamburger { display: flex; }
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(0,212,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 20%, rgba(240,192,64,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 60% 80%, rgba(123,94,167,0.05) 0%, transparent 60%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(240,192,64,0.1), rgba(0,212,255,0.1));
  border: 1px solid rgba(240,192,64,0.2);
  border-radius: 50px;
  padding: 8px 18px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 24px;
}
.hero-eyebrow .dot {
  width: 6px; height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse-glow 2s infinite;
}
.hero h1 { margin-bottom: 20px; }
.hero p  { font-size: 1.1rem; max-width: 480px; margin-bottom: 40px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.hero-stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1;
}
.hero-stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

/* ── Hero Visual ── */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-orb {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(0,212,255,0.12), rgba(123,94,167,0.08), transparent 70%);
  border: 1px solid rgba(0,212,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float 6s ease-in-out infinite;
  position: relative;
}
.hero-orb::before {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1px dashed rgba(0,212,255,0.1);
  animation: spin-slow 20s linear infinite;
}
.hero-orb::after {
  content: '';
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  border: 1px dashed rgba(240,192,64,0.06);
  animation: spin-slow 35s linear infinite reverse;
}
.hero-orb-inner {
  text-align: center;
  z-index: 1;
}
.hero-orb-icon {
  font-size: 5rem;
  display: block;
  margin-bottom: 12px;
}
.hero-badge {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-badge.b1 { top: 10%; left: -10%; }
.hero-badge.b2 { bottom: 15%; right: -8%; }
.hero-badge.b3 { top: 55%; left: -12%; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero p { margin: 0 auto 40px; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }
}

/* ── Marquee trust strip ── */
.trust-strip {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.trust-strip-inner {
  display: flex;
  gap: 48px;
  animation: marquee 25s linear infinite;
  white-space: nowrap;
}
.trust-strip-inner:hover { animation-play-state: paused; }
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  flex-shrink: 0;
}
.trust-item .icon { font-size: 1.1rem; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── Services ── */
.service-card {
  padding: 36px 32px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  border-color: rgba(0,212,255,0.25);
  transform: translateY(-6px);
  box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}
.service-icon {
  width: 60px; height: 60px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}
.service-card h3 { margin-bottom: 12px; }
.service-card p  { font-size: 0.9rem; margin-bottom: 20px; }
.service-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  display: flex; align-items: center; gap: 6px;
  transition: gap 0.2s;
}
.service-link:hover { gap: 12px; }

/* ── Tools Hub ── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.tool-card:hover {
  border-color: rgba(240,192,64,0.35);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), var(--glow-gold);
}
.tool-card-icon {
  font-size: 2.2rem;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(240,192,64,0.1);
  border-radius: 14px;
}
.tool-card h4 { font-size: 1rem; font-weight: 700; }
.tool-card p  { font-size: 0.82rem; color: var(--text-muted); flex: 1; }
.tool-card .tool-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}
.tool-card.coming-soon {
  opacity: 0.6;
  cursor: default;
  pointer-events: none;
}

/* ── How It Works ── */
.step-card {
  position: relative;
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.step-number {
  position: absolute;
  top: -18px; left: 28px;
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent-gold), #e08c00);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  color: #050914;
}

/* ── Testimonials ── */
.testimonial-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px; right: 24px;
  font-size: 4rem;
  color: rgba(240,192,64,0.2);
  font-family: Georgia, serif;
  line-height: 1;
}
.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.8;
  margin-bottom: 20px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  flex-shrink: 0;
}
.author-name { font-size: 0.9rem; font-weight: 700; }
.author-role { font-size: 0.78rem; color: var(--text-muted); }

/* ── CTA Banner ── */
.cta-banner {
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(0,212,255,0.08), rgba(240,192,64,0.06), rgba(123,94,167,0.08));
  border: 1px solid rgba(0,212,255,0.15);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.08), transparent 70%);
  top: -100px; right: -60px;
}
.cta-banner::after {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240,192,64,0.06), transparent 70%);
  bottom: -60px; left: -30px;
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2  { margin-bottom: 16px; }
.cta-banner p   { font-size: 1.05rem; margin-bottom: 40px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p {
  font-size: 0.875rem;
  margin: 16px 0 24px;
  max-width: 280px;
}
.social-links {
  display: flex;
  gap: 12px;
}
.social-link {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
  text-decoration: none;
}
.social-link:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}
.footer-col h5 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--text-primary); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 50px 24px; }
}

/* ── Back to top ── */
.back-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent-gold), #e08c00);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: #050914;
  cursor: pointer;
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 999;
  border: none;
}
.back-top.visible { opacity: 1; pointer-events: all; }
.back-top:hover { transform: translateY(-3px); box-shadow: var(--glow-gold); }

/* ── Intersection observer fade-in ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── Search dropdown ── */
.search-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  z-index: 200;
  display: none;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.search-dropdown.open { display: block; }
.search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
  color: var(--text-primary);
}
.search-result-item:hover { background: rgba(255,255,255,0.05); }
.search-result-icon { font-size: 1.1rem; width: 28px; text-align: center; }