/* ── NAV ────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition:
    background var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    backdrop-filter var(--duration-base) var(--ease-out);
}

.nav.is-scrolled {
  background: rgba(6, 11, 24, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.nav__links {
  display: none;
  gap: var(--space-8);
  align-items: center;
}

.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-dim);
  transition: color var(--duration-fast);
}

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

.nav__cta {
  padding: var(--space-2) var(--space-5) !important;
  border: 1px solid var(--color-border-2) !important;
  border-radius: var(--radius-sm) !important;
  color: var(--color-text) !important;
  transition:
    border-color var(--duration-fast),
    color var(--duration-fast) !important;
}

.nav__cta:hover {
  border-color: var(--color-accent) !important;
  color: var(--color-accent) !important;
}

.nav__burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav__burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform var(--duration-base) var(--ease-out), opacity var(--duration-base);
}

.nav__burger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (min-width: 768px) {
  .nav__links { display: flex; }
  .nav__burger { display: none; }
}

/* Mobile nav drawer */
.nav__drawer {
  position: fixed;
  inset: 64px 0 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  padding: var(--space-8) var(--space-6);
  gap: var(--space-6);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-out);
  z-index: 99;
}

.nav__drawer.is-open { transform: translateX(0); }

.nav__drawer a {
  font-size: var(--text-xl);
  font-family: var(--font-display);
  color: var(--color-text);
}

/* ── HERO ───────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  overflow: hidden;
}

.hero__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding-block: var(--space-24);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: 900px;
}

.hero__headline {
  color: var(--color-text);
}

.hero__sub {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: var(--color-text-dim);
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.hero__metrics {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.metric__value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-text);
  line-height: 1;
}

.metric__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  right: var(--space-10);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-muted);
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.1); }
}

/* ── SERVICES ───────────────────────────────────────── */
.services__grid {
  display: grid;
  gap: var(--space-1);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .services__grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .services__grid { grid-template-columns: repeat(4, 1fr); }
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
  transition:
    border-color var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.service-card:hover .service-card__bar {
  transform: scaleX(1);
}

.service-card__number {
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.service-card h3 {
  font-size: var(--text-lg);
  color: var(--color-text);
}

.service-card p { font-size: var(--text-sm); }

.service-card__bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-slow) var(--ease-out);
}

/* ── PROCESS ────────────────────────────────────────── */
.process__steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  counter-reset: steps;
  max-width: 800px;
}

.process__step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-8);
  padding-block: var(--space-10);
  border-bottom: 1px solid var(--color-border);
  align-items: start;
}

.process__step:last-child { border-bottom: none; }

.process__step-index {
  font-size: var(--text-3xl);
  line-height: 1;
  color: var(--color-accent);
  padding-top: var(--space-1);
}

.process__step-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.process__step-body h3 {
  color: var(--color-text);
  font-size: var(--text-xl);
}

/* ── ABOUT ──────────────────────────────────────────── */
.about__inner {
  display: grid;
  gap: var(--space-16);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .about__inner { grid-template-columns: 1fr 1fr; align-items: start; }
}

.about__copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.about__copy p {
  font-size: var(--text-lg);
  max-width: 480px;
}

.about__pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-1);
}

.pillar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pillar__icon {
  font-size: var(--text-xl);
  color: var(--color-accent);
  display: block;
}

.pillar h4 {
  color: var(--color-text);
  font-size: var(--text-base);
  font-weight: 600;
}

.pillar p { font-size: var(--text-sm); }

/* ── FAQ ────────────────────────────────────────────── */
.faq__list {
  max-width: 800px;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-6);
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  background: transparent;
  cursor: pointer;
  transition: color var(--duration-fast);
}

.faq__question:hover { color: var(--color-accent); }

.faq__question::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-accent);
  flex-shrink: 0;
  line-height: 1;
  transition: transform var(--duration-base) var(--ease-out);
}

.faq__question[aria-expanded="true"]::after {
  transform: rotate(45deg);
}

.faq__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-slow) var(--ease-out);
  overflow: hidden;
}

.faq__answer.is-open {
  grid-template-rows: 1fr;
}

.faq__answer > p {
  overflow: hidden;
  padding-bottom: var(--space-6);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-text-dim);
}

.faq__answer strong {
  color: var(--color-text);
  font-weight: 600;
}

.faq__answer a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--duration-fast);
}

.faq__answer a:hover { opacity: 0.8; }

/* ── CONTACT ────────────────────────────────────────── */
.contact__inner {
  display: grid;
  gap: var(--space-16);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .contact__inner { grid-template-columns: 1fr 1.4fr; align-items: start; }
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact__details li {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.contact__details .label { font-size: var(--text-xs); }

.contact__details span,
.contact__details a {
  font-size: var(--text-base);
  color: var(--color-text);
}

.contact__details a:hover { color: var(--color-accent); }

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.form-field input,
.form-field textarea {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  outline: none;
  transition: border-color var(--duration-fast);
  resize: vertical;
}

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

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--color-accent);
}

.form__note {
  color: var(--color-muted);
  font-size: var(--text-xs);
  text-align: center;
}

/* ── FOOTER ─────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-16);
}

.footer__inner {
  display: grid;
  gap: var(--space-12);
  grid-template-columns: 1fr;
  padding-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer__inner { grid-template-columns: 1.5fr 2fr; }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__brand p {
  font-size: var(--text-sm);
  line-height: 1.7;
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__col .label {
  margin-bottom: var(--space-2);
  display: block;
}

.footer__col a {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  transition: color var(--duration-fast);
}

.footer__col a:hover { color: var(--color-accent); }

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-6);
  color: var(--color-muted);
  font-size: var(--text-xs);
}