/* ========================================
   DESIGN TOKENS
   ======================================== */
:root {
  --bg:           #0a0f1d;
  --bg-surface:   #0d1426;
  --bg-card:      #111b2e;
  --bg-card-hover:#152135;
  --border:       rgba(255, 255, 255, 0.09);
  --border-accent:rgba(94, 158, 118, 0.28);
  --text-1:       #f0f4f9;
  --text-2:       #96a8bc;
  --text-3:       #4d6478;
  --accent:       #5e9e76;
  --accent-dim:   rgba(94, 158, 118, 0.11);
  --accent-glow:  rgba(94, 158, 118, 0.06);

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

  --max-w:        1200px;
  --pad-section:  120px;
  --radius:       10px;
}

/* ========================================
   RESET
   ======================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font: inherit; }

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-1);
}
h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}
h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
}
h3 {
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
}
p { color: var(--text-2); font-size: 1rem; font-weight: 300; }

/* ========================================
   LAYOUT UTILITIES
   ======================================== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}
section { padding: var(--pad-section) 0; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}
.section-header h2 { margin-bottom: 0.875rem; font-size: clamp(1.5rem, 2.75vw, 2.125rem); }
.section-sub { font-size: 1.0625rem; color: var(--text-2); }

/* ========================================
   SCROLL REVEAL
   ======================================== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-delay { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }

/* ========================================
   NAV
   ======================================== */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  background: rgba(7, 11, 21, 0.9);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-color: var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.logo-img {
  display: block;
  flex-shrink: 0;
  object-fit: contain;
  filter: brightness(1.1);
}
.logo-img--nav    { height: 36px; width: auto; }
.logo-img--footer { height: 28px; width: auto; }
.logo-text-group {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.logo-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
  line-height: 1;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}
.nav-links a {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color 0.2s;
  letter-spacing: 0.01em;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-1); }
.nav-links .nav-cta {
  color: var(--accent);
  font-weight: 500;
}
.nav-links .nav-cta:hover { color: #7bbf94; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-1);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile overlay menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(7, 11, 21, 0.98);
  z-index: 99;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.mobile-menu.open { display: flex; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 2rem; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.02em;
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--accent); }

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.875rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 6px;
  border: none;
  transition: all 0.2s;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #070b15;
}
.btn-primary:hover {
  background: #7bbf94;
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(94, 158, 118, 0.3);
}
.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  color: var(--text-1);
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
}
.btn-full { width: 100%; justify-content: center; }

/* ========================================
   HERO
   ======================================== */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;   /* text anchored to bottom */
  position: relative;
  overflow: hidden;
}

/* Canvas: fills full viewport, fades top+bottom edges into page bg */
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
}

/* Dark gradient at bottom so headline text is readable */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    #050810 0%,
    rgba(5, 8, 16, 0.9) 18%,
    rgba(5, 8, 16, 0.55) 42%,
    rgba(5, 8, 16, 0.15) 65%,
    transparent 88%
  );
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 960px;
  padding-bottom: 6rem;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}
.kicker-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  animation: blink 2.5s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

#hero h1 {
  font-family: var(--font-hero);
  font-size: clamp(2.25rem, 4vw, 3.875rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: clamp(0.975rem, 2vw, 1.125rem);
  font-weight: 300;
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  color: var(--text-2);
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  z-index: 2;
}
.hero-scroll span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  writing-mode: vertical-rl;
}
.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--text-3), transparent);
  animation: scroll-drop 2s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scroll-drop {
  0%   { transform: scaleY(0); opacity: 1; transform-origin: top; }
  50%  { transform: scaleY(1); opacity: 1; transform-origin: top; }
  51%  { transform-origin: bottom; }
  100% { transform: scaleY(0); opacity: 0; transform-origin: bottom; }
}

/* ========================================
   ABOUT
   ======================================== */
#about {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 5rem;
  align-items: start;
}
.about-content .section-label { margin-bottom: 1rem; }
.about-content h2 { margin-bottom: 1.5rem; }
.about-content p + p { margin-top: 1rem; }

.cred-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
.cred-item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--border);
}
.cred-item:first-child { padding-top: 0; }
.cred-item:last-child  { border-bottom: none; padding-bottom: 0; }
.cred-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  background: var(--accent-dim);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cred-icon svg { width: 15px; height: 15px; color: var(--accent); }
.cred-label {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.3;
  margin-bottom: 0.15rem;
}
.cred-sub {
  font-size: 0.8rem;
  color: var(--text-3);
  font-weight: 400;
}

/* ========================================
   TECH STRIP (below services)
   ======================================== */
.tech-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2rem 0;
}
.tech-strip-inner {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  align-items: flex-start;
}
.tech-strip-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.tech-strip-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.chip {
  font-family: var(--font-mono);
  font-size: 0.71rem;
  padding: 0.25rem 0.625rem;
  background: var(--accent-dim);
  border: 1px solid rgba(94, 158, 118, 0.18);
  border-radius: 4px;
  color: var(--accent);
  letter-spacing: 0.02em;
  transition: background 0.2s, border-color 0.2s;
}
.chip:hover {
  background: rgba(94, 158, 118, 0.18);
  border-color: rgba(94, 158, 118, 0.32);
}

/* ========================================
   SERVICES
   ======================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.service-card {
  background: var(--bg-card);
  padding: 2rem 1.75rem;
  transition: background 0.22s;
  position: relative;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
}
.service-card:hover { background: var(--bg-card-hover); }
.service-card:hover::before { transform: scaleX(1); }
.service-card-featured { background: var(--bg-surface); }

.svc-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--accent);
  opacity: 0.7;
  margin-bottom: 1rem;
}
.service-card h3 { margin-bottom: 0.625rem; }
.service-card p  { font-size: 0.9375rem; line-height: 1.65; }

/* ========================================
   EXPERIENCE
   ======================================== */
#experience {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.sector-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: border-color 0.22s, transform 0.22s;
}
.sector-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
}
.sector-icon {
  width: 42px;
  height: 42px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.sector-icon svg { width: 19px; height: 19px; color: var(--accent); }
.sector-card h3 { margin-bottom: 0.625rem; }
.sector-card p { font-size: 0.9375rem; line-height: 1.65; margin-bottom: 0; }
.sector-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.sector-tags span {
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.03em;
  padding: 0.175rem 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-3);
}
.sector-result {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  padding-left: 0.875rem;
  border-left: 2px solid var(--accent);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-3);
  font-style: italic;
}

/* ========================================
   PROCESS
   ======================================== */
.process-track {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.process-step {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.875rem 1.5rem;
  transition: border-color 0.22s;
}
.process-step:hover { border-color: var(--border-accent); }
.process-connector {
  flex-shrink: 0;
  width: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  margin-top: -0.5rem;
}
.process-connector::before {
  content: '';
  display: block;
  width: 100%;
  height: 1px;
  background: var(--border-accent);
  position: relative;
}
.process-connector::after {
  content: '›';
  position: absolute;
  color: var(--border-accent);
  font-size: 1rem;
  line-height: 1;
  margin-left: 0.5rem;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--accent);
  opacity: 0.7;
  margin-bottom: 0.875rem;
}
.process-step h3 { margin-bottom: 0.625rem; font-size: 1rem; }
.process-step p { font-size: 0.9rem; line-height: 1.65; }

/* ========================================
   CONTACT
   ======================================== */
#contact {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 540px;
  gap: 5rem;
  align-items: start;
}
.contact-intro .section-label { margin-bottom: 1rem; }
.contact-intro h2 { margin-bottom: 1.125rem; }
.contact-intro > p { margin-bottom: 2.25rem; font-size: 1.0625rem; }
.contact-qualifier {
  font-size: 0.9rem;
  color: var(--text-3);
  line-height: 1.7;
  margin-bottom: 2rem;
  margin-top: -0.75rem;
}
.contact-links { display: flex; flex-direction: column; gap: 0.875rem; }
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--text-2);
  transition: color 0.2s;
}
.contact-link:hover { color: var(--text-1); }
.contact-link svg { width: 17px; height: 17px; flex-shrink: 0; }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1.125rem; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.125rem;
}
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-field label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.02em;
}
.form-field input,
.form-field select,
.form-field textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-1);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text-3); }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-color: var(--border-accent); }
.form-field select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23415464' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  background-size: 15px;
  padding-right: 2.5rem;
}
.form-field select option { background: var(--bg-card); color: var(--text-1); }
.form-field textarea { resize: vertical; min-height: 128px; line-height: 1.6; }

.form-success {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
}
.success-check {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.25rem;
  color: var(--accent);
}
.form-success h3 { margin-bottom: 0.5rem; }
.form-success p { font-size: 0.9375rem; }

/* ========================================
   FOOTER
   ======================================== */
footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-3);
}
.footer-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-3);
}
.footer-note a {
  color: var(--text-3);
  transition: color 0.2s;
}
.footer-note a:hover { color: var(--text-2); }

/* ========================================
   RESPONSIVE
   ======================================== */

/* Tablet */
@media (max-width: 1100px) {
  .about-grid    { grid-template-columns: 1fr; gap: 3rem; }
  .contact-grid  { grid-template-columns: 1fr; gap: 3rem; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-track { flex-direction: column; gap: 1rem; }
  .process-connector { display: none; }
}

/* Large mobile / small tablet */
@media (max-width: 900px) {
  :root { --pad-section: 80px; }
  .sectors-grid     { grid-template-columns: 1fr 1fr; }
  .tech-strip-inner { flex-direction: column; gap: 1.5rem; }
}

/* Mobile */
@media (max-width: 640px) {
  :root { --pad-section: 56px; }

  /* Nav */
  .nav-links  { display: none; }
  .nav-toggle { display: flex; }
  .logo-sub   { display: none; }

  /* Hero */
  .hero-scroll   { display: none; }
  .hero-content  { padding-bottom: 3.5rem; }
  .kicker        { font-size: 0.65rem; flex-wrap: wrap; gap: 0.4rem; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; border-radius: 8px; }
  .service-card  { padding: 1.5rem 1.25rem; }

  /* Experience */
  .sectors-grid { grid-template-columns: 1fr; gap: 1rem; }
  .sector-card  { padding: 1.5rem 1.25rem; }

  /* Process */
  .process-step { padding: 1.5rem 1.25rem; }

  /* About */
  .cred-panel { padding: 1.25rem; }

  /* Tech strip */
  .tech-strip       { padding: 1.5rem 0; }
  .tech-strip-inner { gap: 1.25rem; }

  /* Contact */
  .form-row { grid-template-columns: 1fr; }
  .contact-intro > p { font-size: 1rem; }

  /* Footer */
  .footer-inner { flex-direction: column; gap: 0.875rem; text-align: center; }
}

/* Small mobile */
@media (max-width: 420px) {
  :root { --pad-section: 48px; }

  .container { padding: 0 1.25rem; }

  /* Hero */
  .hero-actions     { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-content     { padding-bottom: 3rem; }
  .hero-lead        { font-size: 0.95rem; }

  /* Cards */
  .service-card { padding: 1.25rem 1rem; }
  .sector-card  { padding: 1.25rem 1rem; }
  .process-step { padding: 1.25rem 1rem; }

  /* Form */
  .btn-full { font-size: 0.9rem; }
}