/* ══════════════════════════════════════════════════
   techno-mastering.com — style.css
   Elliott Sebag / Smart DSP
   Dark industrial aesthetic · Syne + Fraunces + Karla
   ══════════════════════════════════════════════════ */

/* ──────────────────────────────────────────────────
   0. Custom Properties
────────────────────────────────────────────────── */
:root {
  /* Palette */
  --bg:          #080808;
  --surface:     #101010;
  --surface-2:   #161616;
  --gold:        #c5a35f;
  --gold-dim:    rgba(197, 163, 95, 0.5);
  --gold-faint:  rgba(197, 163, 95, 0.08);
  --border:      rgba(197, 163, 95, 0.1);
  --border-md:   rgba(197, 163, 95, 0.22);
  --text:        #e2dbd0;
  --text-muted:  #7a736a;
  --text-dim:    #3d3830;

  /* Typography */
  --f-display: 'Syne', sans-serif;
  --f-accent:  'Fraunces', serif;
  --f-body:    'Karla', sans-serif;

  /* Layout */
  --w-max:      1200px;
  --pad-x:      clamp(1.5rem, 5vw, 4rem);
  --pad-section: clamp(5rem, 10vw, 9rem);

  /* Motion */
  --ease-out:  cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in:   cubic-bezier(0.64, 0, 0.78, 0);
}

/* ──────────────────────────────────────────────────
   1. Reset & Base
────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--f-body);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
strong { font-weight: 700; }
em { font-style: italic; }

/* No-JS fallback */
@media (scripting: none) {
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ──────────────────────────────────────────────────
   2. Grain Texture Overlay
────────────────────────────────────────────────── */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='250' height='250'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='250' height='250' filter='url(%23g)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 250px 250px;
  opacity: 0.028;
}

/* ──────────────────────────────────────────────────
   3. Layout Utilities
────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.section {
  padding: var(--pad-section) 0;
}

/* Shared label above headings */
.label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
}

/* Shared section heading */
.section h2 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 2rem;
}

.section-sub {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 60ch;
  margin-bottom: 3rem;
}
.section-sub a {
  color: var(--gold);
  border-bottom: 1px solid var(--border-md);
  padding-bottom: 1px;
  transition: border-color 0.3s;
}
.section-sub a:hover { border-color: var(--gold); }

/* ──────────────────────────────────────────────────
   4. Buttons
────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2.2rem;
  background: var(--gold);
  color: var(--bg);
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  transition: background 0.35s var(--ease-out), color 0.35s var(--ease-out);
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.12);
  transform: translateX(-105%);
  transition: transform 0.45s var(--ease-out);
}
.btn-primary:hover::after { transform: translateX(0); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: color 0.3s, border-color 0.3s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-md); }

.btn-ghost-icon {
  font-size: 0.65rem;
  color: var(--gold);
}

.btn-outline {
  display: inline-block;
  padding: 0.85rem 2rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: color 0.3s, border-color 0.3s;
}
.btn-outline:hover { color: var(--text); border-color: var(--border-md); }

.text-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--gold);
  border-bottom: 1px solid var(--border-md);
  padding-bottom: 2px;
  transition: border-color 0.3s;
}
.text-link:hover { border-color: var(--gold); }

/* ──────────────────────────────────────────────────
   5. Navigation
────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem var(--pad-x);
  /* Fade from solid to transparent bottom edge */
  background: linear-gradient(
    to bottom,
    rgba(8,8,8,0.92) 0%,
    rgba(8,8,8,0.7) 60%,
    rgba(8,8,8,0) 100%
  );
  transition: background 0.4s;
}

.nav-logo {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  transition: color 0.3s;
}
.nav-logo span { color: var(--gold); }
.nav-logo:hover { color: var(--gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-links a {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--text); }
.nav-links .nav-cta {
  color: var(--gold);
  border: 1px solid var(--border-md);
  padding: 0.45rem 1.1rem;
  border-radius: 2px;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.nav-links .nav-cta:hover {
  background: var(--gold);
  color: var(--bg);
  border-color: var(--gold);
}

/* Hamburger — shown only on mobile */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-muted);
  transition: background 0.3s;
}
.nav-toggle:hover span { background: var(--text); }

/* ──────────────────────────────────────────────────
   6. Hero
────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 9rem var(--pad-x) 6rem;
  overflow: hidden;
}

/* Subtle radial ambient glow */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 55% at 75% 35%, rgba(197,163,95,0.05) 0%, transparent 65%),
    radial-gradient(ellipse 35% 50% at 15% 75%, rgba(197,163,95,0.025) 0%, transparent 60%);
  pointer-events: none;
}

/* Decorative vertical lines */
.hero-bg-lines {
  position: absolute;
  inset: 0;
  display: flex;
  gap: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-bg-lines .line {
  flex: 1;
  border-right: 1px solid var(--border);
  opacity: 0.5;
}
.hero-bg-lines .line:last-child { border-right: none; }

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2rem;
}

.hero-title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(3rem, 10vw, 8.5rem);
  line-height: 0.93;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 2.25rem;
}
.hero-title em {
  font-family: var(--f-accent);
  font-style: italic;
  font-weight: 300;
  font-size: 0.82em;
  letter-spacing: -0.01em;
  color: var(--gold);
}

.hero-sub {
  max-width: 52ch;
  font-size: clamp(0.9rem, 1.8vw, 1.1rem);
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 2.75rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-discount {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  display: inline-block;
}
.hero-discount span { color: var(--text); }
.hero-discount strong {
  color: var(--gold);
  font-family: var(--f-display);
  letter-spacing: 0.1em;
}

/* Animated scroll indicator */
.hero-scroll-hint {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
}
.scroll-line {
  display: block;
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--gold-dim) 0%, transparent 100%);
  animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%, 100% { opacity: 0.6; transform: scaleY(1); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(0.6); transform-origin: top; }
}

/* ──────────────────────────────────────────────────
   7. Trust Bar
────────────────────────────────────────────────── */
.trust-bar {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3.5rem 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.trust-item {
  text-align: center;
  padding: 0.75rem 1.5rem;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.trust-item:last-child { border-right: none; }
.trust-num {
  display: block;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1;
  color: var(--gold);
}
.trust-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  max-width: 16ch;
  line-height: 1.4;
}

/* ──────────────────────────────────────────────────
   8. About
────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.about-text h2 { margin-bottom: 1.75rem; }

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.02rem;
}
.about-text p strong { color: var(--text); font-weight: 700; }
.about-text p em { font-style: italic; color: var(--text); }

.pull-quote {
  font-family: var(--f-accent);
  font-style: italic;
  font-weight: 300;
  font-size: 1.1rem;
  color: var(--text);
  line-height: 1.6;
  border-left: 2px solid var(--gold);
  padding-left: 1.5rem;
  margin: 2rem 0;
}

/* Feature list */
.feature-list { display: flex; flex-direction: column; }
.feature-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--border);
}
.feature-item:first-child { border-top: 1px solid var(--border); }
.feature-mark {
  color: var(--gold);
  font-size: 0.6rem;
  flex-shrink: 0;
  margin-top: 0.35rem;
}
.feature-item div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.feature-item strong {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--text);
}
.feature-item span {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ──────────────────────────────────────────────────
   9. Services
────────────────────────────────────────────────── */
.services {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

.service-card {
  background: var(--surface-2);
  padding: 2.5rem;
  transition: background 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}
.service-card:hover { background: var(--surface); }
.service-card:hover::before { transform: scaleX(1); }

.service-type {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.service-card h3 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.service-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.75rem;
}
.service-cta {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  transition: opacity 0.3s;
}
.service-cta:hover { opacity: 0.65; }

.services-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}
.services-note a {
  color: var(--gold);
  border-bottom: 1px solid var(--border-md);
  padding-bottom: 1px;
  transition: border-color 0.3s;
}
.services-note a:hover { border-color: var(--gold); }

/* ──────────────────────────────────────────────────
   10. Process
────────────────────────────────────────────────── */
.process-list {
  margin-top: 1rem;
}
.process-step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 3rem;
  padding: 3rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.process-step:first-child { border-top: 1px solid var(--border); }
.step-num {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--text-dim);
  line-height: 1;
  padding-top: 0.2rem;
  letter-spacing: -0.04em;
}
.step-body h3 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: 0.01em;
}
.step-body p {
  font-size: 0.92rem;
  color: var(--text-muted);
  max-width: 58ch;
  line-height: 1.65;
}
.step-body p a {
  color: var(--gold);
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s;
}
.step-body p a:hover { border-color: var(--gold); }

/* ──────────────────────────────────────────────────
   11. Testimonials
────────────────────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}
.testimonial {
  background: var(--surface);
  padding: 2.5rem;
  transition: background 0.3s;
}
.testimonial:hover { background: var(--surface-2); }
.testimonial p {
  font-family: var(--f-accent);
  font-style: italic;
  font-weight: 300;
  font-size: 0.98rem;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}
.testimonial footer cite {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-style: normal;
}

.credits-row {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  flex-wrap: wrap;
}
.credits-row a {
  font-size: 0.82rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
  transition: color 0.3s, border-color 0.3s;
}
.credits-row a:hover { color: var(--text); border-color: var(--text-muted); }

/* ──────────────────────────────────────────────────
   12. Final CTA
────────────────────────────────────────────────── */
.cta-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.cta-inner {
  max-width: 640px;
  text-align: center;
}
.cta-section h2 { margin-bottom: 1rem; }
.cta-section p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}
.cta-section p strong {
  font-family: var(--f-display);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* ──────────────────────────────────────────────────
   13. Footer
────────────────────────────────────────────────── */
.footer {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
}
.footer-brand { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-wordmark {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}
.footer-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.footer-sub a {
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  transition: color 0.3s;
}
.footer-sub a:hover { color: var(--text); }
.footer-location {
  font-size: 0.7rem;
  color: var(--text-dim);
}
.footer-nav {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-nav a {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.3s;
}
.footer-nav a:hover { color: var(--text); }
.footer-copy {
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

/* ──────────────────────────────────────────────────
   14. Scroll Reveal Animations
────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity  0.75s var(--ease-out),
    transform 0.75s var(--ease-out);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger delays */
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }

/* ──────────────────────────────────────────────────
   15. Responsive
────────────────────────────────────────────────── */

/* Tablet */
@media (max-width: 920px) {
  .nav-links li:not(:last-child):not(:nth-last-child(2)) {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .trust-grid {
    grid-template-columns: 1fr 1fr;
  }
  .trust-item:nth-child(2) { border-right: none; }
  .trust-item:nth-child(3) { border-top: 1px solid var(--border); }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 620px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(8,8,8,0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    z-index: 150;
  }
  .nav-links.nav-open {
    display: flex;
  }
  .nav-links li { display: block !important; }
  .nav-links a {
    font-size: 1rem;
    letter-spacing: 0.15em;
  }
  .nav-toggle { display: flex; z-index: 160; position: relative; }

  .hero-title {
    font-size: clamp(2.8rem, 14vw, 5rem);
  }

  .trust-grid {
    grid-template-columns: 1fr 1fr;
  }

  .process-step {
    grid-template-columns: 48px 1fr;
    gap: 1.25rem;
  }
  .step-num { font-size: 2rem; }

  .hero-actions { flex-direction: column; align-items: flex-start; }
  .cta-actions { flex-direction: column; align-items: center; }

  .credits-row { flex-direction: column; align-items: center; gap: 1rem; }
}