/* ==========================================================================
   4Tech Development — Main Stylesheet
   Structure:
   1. Reset & Variables
   2. Base
   3. Cursor
   4. Navigation
   5. Hero
   6. Tech Strip
   7. About
   8. Services
   9. Process
   10. Contact
   11. Footer
   12. Animations & Utilities
   13. Responsive
   ========================================================================== */


/* ─── 1. RESET & VARIABLES ─────────────────────────────────────────────── */

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

:root {
  --bg:           #07080a;
  --bg2:          #0d0f12;
  --surface:      #111318;
  --surface2:     #181b21;
  --border:       rgba(255, 255, 255, 0.07);
  --accent:       #00e5ff;
  --accent2:      #7c3aed;
  --accent3:      #ff6b35;
  --text:         #e8eaf0;
  --text-muted:   #6b7280;
  --text-dim:     #9ca3af;
  --error:        #ff4d4d;
  --success:      #00e5a0;
  --glow:         0 0 40px rgba(0, 229, 255, 0.15);

  --font-display: 'Syne', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --font-body:    'DM Sans', sans-serif;
}


/* ─── 2. BASE ────────────────────────────────────────────────────────────── */

html {
  scroll-behavior: smooth;
}

body {
  background:    var(--bg);
  color:         var(--text);
  font-family:   var(--font-body);
  font-weight:   300;
  overflow-x:    hidden;
  cursor:        none;
}

/* 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='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9997;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0, 229, 255, 0.3); }


/* ─── 3. CURSOR ─────────────────────────────────────────────────────────── */

.cursor {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.15s ease;
  mix-blend-mode: screen;
}

.cursor-ring {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(0, 229, 255, 0.4);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  transition:
    width 0.3s,
    height 0.3s,
    border-color 0.3s;
}

body:has(a:hover) .cursor-ring,
body:has(button:hover) .cursor-ring {
  width: 54px;
  height: 54px;
  border-color: var(--accent);
}


/* ─── 4. NAVIGATION ─────────────────────────────────────────────────────── */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7, 8, 10, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

nav.scrolled {
  background: rgba(7, 8, 10, 0.95);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 5px;
}

.nav-logo img {
    max-height: 25px;
    height: 25px;
    width: auto;
}

.nav-logo span {
  color: var(--accent);
  font-family: var(--font-mono);
}

.logo-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.25s;
}

.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  background: transparent !important;
  border: 1px solid var(--accent) !important;
  color: var(--accent) !important;
  padding: 8px 20px;
  border-radius: 4px;
  font-family: var(--font-mono) !important;
  font-size: 0.75rem !important;
  letter-spacing: 0.1em;
  transition: background 0.2s, box-shadow 0.2s !important;
}

.nav-cta:hover {
  background: rgba(0, 229, 255, 0.08) !important;
  box-shadow: var(--glow) !important;
}

.nav-cta::after { display: none !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 1.5px;
  background: var(--text-dim);
  display: block;
  transition: all 0.3s;
}


/* ─── 5. HERO ────────────────────────────────────────────────────────────── */

#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 140px 40px 80px;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.12), transparent 70%);
  top: -100px; right: -100px;
  animation: drift1 8s ease-in-out infinite;
}

.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.1), transparent 70%);
  bottom: 0; left: -50px;
  animation: drift2 10s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(0, 229, 255, 0.2);
  background: rgba(0, 229, 255, 0.05);
  padding: 6px 14px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 28px;
  animation: fadeUp 0.8s ease both;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  animation: fadeUp 0.8s 0.1s ease both;
}

h1 .line-accent { color: var(--accent); }
h1 .line-dim    { color: var(--text-muted); }

.hero-sub {
  margin-top: 24px;
  font-size: 1.05rem;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 440px;
  animation: fadeUp 0.8s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
  animation: fadeUp 0.8s 0.3s ease both;
}

.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 48px;
}

.stat-item { text-align: center; }

.stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.04em;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

.stat-divider {
  width: 1px;
  background: var(--border);
}

.hero-visual {
  animation: fadeUp 0.8s 0.4s ease both;
}

/* Terminal Card */
.terminal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 40px 80px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.terminal-header {
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.t-dot         { width: 12px; height: 12px; border-radius: 50%; }
.t-dot-r       { background: #ff5f57; }
.t-dot-y       { background: #ffbd2e; }
.t-dot-g       { background: #28c840; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: auto;
}

.terminal-body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.9;
}

.t-comment { color: #4a5568; }
.t-key     { color: #7c3aed; }
.t-string  { color: var(--accent); }
.t-num     { color: #ff6b35; }
.t-bracket { color: var(--text-muted); }

.t-cursor {
  display: inline-block;
  width: 8px;
  height: 1.1em;
  background: var(--accent);
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}


/* ─── 6. TECH STRIP ─────────────────────────────────────────────────────── */

.tech-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  overflow: hidden;
  background: var(--bg2);
}

.tech-strip-track {
  display: flex;
  gap: 60px;
  animation: scrollTrack 20s linear infinite;
  width: max-content;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  letter-spacing: 0.06em;
}

.tech-icon { font-size: 1.1rem; }


/* ─── 7. ABOUT ───────────────────────────────────────────────────────────── */

#about { max-width: 100%; padding: 0; }

.about-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.about-img-wrap { position: relative; }

.about-img-frame {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.about-img-frame img { width: 100%; display: block; }

.about-img-badge {
  position: absolute;
  bottom: -20px; right: -20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.about-img-badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.04em;
}

.about-text p {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-top: 24px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 40px;
}

.feature-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-dim);
  transition: border-color 0.2s, color 0.2s;
}

.feature-chip:hover {
  border-color: rgba(0, 229, 255, 0.3);
  color: var(--text);
}

.chip-icon { font-size: 1rem; }


/* ─── 8. SERVICES ────────────────────────────────────────────────────────── */

#services { max-width: 100%; padding: 0; background: var(--bg2); }

.service-icon {
    margin-bottom: 15px;
}

.service-icon svg{
    width:48px;
    height:48px;
    stroke:#B6C2CF;
    stroke-width:1.7;
    transition:all .3s ease;
}

.service-card:hover svg{
    stroke:#00E5FF;
    transform:translateY(-3px);
    filter:drop-shadow(0 0 6px rgba(0,229,255,0.15));
}

.services-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 40px;
}

.services-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 64px;
}

.services-desc {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.8;
}

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

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 255, 0.2);
  box-shadow: var(--glow);
}

.service-card:hover::before { opacity: 1; }

.service-number {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  opacity: 0.6;
}

.service-icon-wrap {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 24px;
  transition: background 0.3s;
}

.service-card:hover .service-icon-wrap { background: rgba(0, 229, 255, 0.14); }

.service-card:nth-child(2) .service-icon-wrap {
  background: rgba(124, 58, 237, 0.08);
  border-color: rgba(124, 58, 237, 0.15);
}

.service-card:nth-child(3) .service-icon-wrap {
  background: rgba(255, 107, 53, 0.08);
  border-color: rgba(255, 107, 53, 0.15);
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.service-body {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.stag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  letter-spacing: 0.06em;
}


/* ─── 9. PROCESS ─────────────────────────────────────────────────────────── */

#process { max-width: 100%; padding: 0; }

.process-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 40px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 64px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3), var(--accent));
  opacity: 0.3;
}

.process-step {
  padding: 0 16px;
  text-align: center;
}

.step-num {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--accent);
  position: relative;
  z-index: 1;
  transition: background 0.3s, box-shadow 0.3s;
}

.process-step:hover .step-num {
  background: rgba(0, 229, 255, 0.08);
  box-shadow: var(--glow);
}

.step-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 10px;
}

.step-body {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}


/* ─── 10. CONTACT ────────────────────────────────────────────────────────── */

#contact { max-width: 100%; padding: 0; background: var(--bg2); }

.contact-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contact-info h2 { margin-top: 16px; }

.contact-info p {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-top: 20px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 32px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: none;
  padding: 14px 20px;
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 8px;
  background: rgba(0, 229, 255, 0.05);
  transition: background 0.2s, box-shadow 0.2s;
}

.contact-link:hover {
  background: rgba(0, 229, 255, 0.1);
  box-shadow: var(--glow);
}

/* Form */
.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
}

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

.field {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
  position: relative;
}

.field label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.field input,
.field textarea,
.field select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: none;
  appearance: none;
}

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

.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%236b7280' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
  cursor: pointer;
}

.field select option { background: var(--bg); }

.field textarea { min-height: 120px; }

/* Validation states */
.field input.is-invalid,
.field textarea.is-invalid,
.field select.is-invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(255, 77, 77, 0.1);
}

.field input.is-valid,
.field textarea.is-valid,
.field select.is-valid {
  border-color: var(--success);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.08);
}

.field input.is-invalid:focus,
.field textarea.is-invalid:focus,
.field select.is-invalid:focus {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(255, 77, 77, 0.1);
}

.field-error {
  font-family: var(--font-mono);
  font-size: 0.67rem;
  color: var(--error);
  margin-top: 6px;
  letter-spacing: 0.04em;
  display: none;
}

.field-error.visible { display: block; }

/* Alerts */
.form-alert {
  display: none;
  padding: 14px 18px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 20px;
  align-items: center;
  gap: 10px;
}

.form-alert.visible { display: flex; }

.form-alert.success {
  background: rgba(0, 229, 160, 0.08);
  border: 1px solid rgba(0, 229, 160, 0.25);
  color: var(--success);
}

.form-alert.error {
  background: rgba(255, 77, 77, 0.08);
  border: 1px solid rgba(255, 77, 77, 0.25);
  color: var(--error);
}

.form-submit {
  width: 100%;
  background: var(--accent);
  color: #07080a;
  border: none;
  border-radius: 6px;
  padding: 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.4);
}

.form-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.form-submit.success-state {
  background: var(--success);
  box-shadow: 0 0 30px rgba(0, 229, 160, 0.3);
}


/* ─── 11. FOOTER ─────────────────────────────────────────────────────────── */

footer {
  border-top: 1px solid var(--border);
  padding: 56px 40px;
  background: var(--bg);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 32px;
  align-items: start;
}

.footer-brand {
  max-width: 360px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 14px;
  text-decoration: none;
}

.footer-logo img {
    height: 20px;
    width: auto;
}

.footer-logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  color: var(--text);
}

.footer-logo-text-dev {
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 800;
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.footer-col a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

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

.footer-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-start;
}

.stack-badge {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--text-muted);
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.stack-badge:hover {
  color: var(--accent);
  border-color: rgba(0, 229, 255, 0.3);
  background: rgba(0, 229, 255, 0.05);
}


/* ─── 12. BUTTONS & SHARED COMPONENTS ───────────────────────────────────── */

h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-tag::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--accent);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #07080a;
  padding: 14px 28px;
  border-radius: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.4);
}

.btn-primary svg { transition: transform 0.2s; }
.btn-primary:hover svg { transform: translateX(4px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--text-dim);
  padding: 14px 28px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text);
}


/* ─── 13. ANIMATIONS & UTILITIES ─────────────────────────────────────────── */

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.4); }
  50%       { opacity: 0.8; transform: scale(0.9); box-shadow: 0 0 0 6px rgba(0, 229, 255, 0); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes drift1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(-30px, 30px) scale(1.05); }
}

@keyframes drift2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(20px, -20px) scale(0.95); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scrollTrack {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.process-center {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.process-subtitle {
  color: var(--text-muted);
  margin-top: 16px;
  font-size: 0.95rem;
  line-height: 1.8;
}


/* ─── 14. RESPONSIVE ─────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  nav { padding: 0 24px; }

  .nav-links {
    display: none;
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(7, 8, 10, 0.98);
    flex-direction: column;
    padding: 30px 24px;
    gap: 24px;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(20px);
  }

  .nav-links.open { display: flex; }

  .hamburger { display: flex; }

  #home { padding: 120px 24px 60px; }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .hero-visual { display: none; }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 50px;
    padding: 80px 24px;
  }

  .services-grid  { grid-template-columns: 1fr; }
  .services-header { grid-template-columns: 1fr; gap: 20px; }
  .services-inner,
  .process-inner  { padding: 80px 24px; }

  .process-steps {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .process-steps::before { display: none; }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 80px 24px;
  }

  footer { padding: 32px 24px; }

  .footer-inner {
      grid-template-columns: 1fr;
      text-align: left;
    }
    
    .footer-nav {
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    
    .footer-nav {
      grid-template-columns: 1fr;
    }
    
    .footer-brand {
      max-width: 100%;
    }

  /* disable custom cursor on touch devices */
  .cursor,
  .cursor-ring { display: none; }

  body { cursor: auto; }
}

@media (max-width: 600px) {
  .form-row         { grid-template-columns: 1fr; }
  .about-features   { grid-template-columns: 1fr; }
  .process-steps    { grid-template-columns: 1fr; }
  .hero-stats       { gap: 20px; }
  .contact-form     { padding: 24px; }
  h1                { font-size: 2.4rem; }
}

.mt-10 {
    margin-top: 10px !important;
}