/* ============================================================
   DMA — Decentralized Machine Automation
   Brand: Dark Green #1c3423 | Sage Green #67a97b | Forest Green #337551 | Warm White #E8E4DD
   Fonts: Instrument Sans (headings) | Work Sans (body)
   ============================================================ */

/* ── Fonts ── */
@font-face {
  font-family: 'Instrument Sans';
  src: url('assets/fonts/InstrumentSans-Regular.ttf') format('truetype');
  font-weight: 400; font-style: normal;
}
@font-face {
  font-family: 'Instrument Sans';
  src: url('assets/fonts/InstrumentSans-Italic.ttf') format('truetype');
  font-weight: 400; font-style: italic;
}
@font-face {
  font-family: 'Instrument Sans';
  src: url('assets/fonts/InstrumentSans-Bold.ttf') format('truetype');
  font-weight: 700; font-style: normal;
}
@font-face {
  font-family: 'Instrument Sans';
  src: url('assets/fonts/InstrumentSans-BoldItalic.ttf') format('truetype');
  font-weight: 700; font-style: italic;
}
@font-face {
  font-family: 'Work Sans';
  src: url('assets/fonts/WorkSans-Regular.ttf') format('truetype');
  font-weight: 400; font-style: normal;
}
@font-face {
  font-family: 'Work Sans';
  src: url('assets/fonts/WorkSans-Italic.ttf') format('truetype');
  font-weight: 400; font-style: italic;
}
@font-face {
  font-family: 'Work Sans';
  src: url('assets/fonts/WorkSans-Bold.ttf') format('truetype');
  font-weight: 700; font-style: normal;
}

/* ── Tokens ── */
:root {
  --dark-green:   #1c3423;
  --sage-green:   #67a97b;
  --forest-green: #337551;
  --warm-white:   #E8E4DD;
  --white:        #ffffff;
  --text-dark:    #1a2a1e;
  --text-mid:     #3d5247;
  --text-muted:   rgba(232,228,221,0.65);

  --font-heading: 'Instrument Sans', sans-serif;
  --font-body:    'Work Sans', sans-serif;

  --container:    1160px;
  --radius:       6px;
  --transition:   0.22s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--white);
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--dark-green);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.35rem; font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 700; }
p  { font-size: 1rem; line-height: 1.75; }

/* ── Utilities ── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage-green);
  margin-bottom: 14px;
}
.section-label--light { color: var(--sage-green); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 13px 32px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--sage-green);
  color: var(--white);
  border-color: var(--sage-green);
}
.btn-primary:hover {
  background: var(--forest-green);
  border-color: var(--forest-green);
}
.btn-ghost {
  background: transparent;
  color: var(--warm-white);
  border-color: rgba(232,228,221,0.55);
}
.btn-ghost:hover {
  border-color: var(--warm-white);
  background: rgba(232,228,221,0.1);
}
.btn-light {
  background: var(--warm-white);
  color: var(--dark-green);
  border-color: var(--warm-white);
}
.btn-light:hover {
  background: #d8d4cd;
  border-color: #d8d4cd;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid rgba(28,52,35,0.1);
  box-shadow: 0 1px 12px rgba(28,52,35,0.06);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav__logo img {
  height: 40px;
  width: auto;
}
.nav__links {
  display: flex;
  list-style: none;
  gap: 36px;
  align-items: center;
}
.nav__links a {
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--dark-green);
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--forest-green); }
.nav__cta { margin-left: 12px; }

/* Mobile hamburger (hidden on desktop) */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark-green);
  border-radius: 2px;
}

/* ============================================================
   SECTION 1 — HERO
   ============================================================ */
.hero {
  background: var(--dark-green);
  padding: 96px 0 104px;
  text-align: center;
}
.hero__pre {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sage-green);
  margin-bottom: 20px;
}
.hero h1 {
  color: var(--warm-white);
  max-width: 760px;
  margin: 0 auto 22px;
}
.hero__sub {
  color: rgba(232,228,221,0.78);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 40px;
}
.hero__ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero__trust {
  margin-top: 52px;
  font-size: 0.82rem;
  color: rgba(232,228,221,0.45);
  letter-spacing: 0.04em;
}
.hero__trust span { margin: 0 10px; }

/* ============================================================
   SECTION 2 — PROBLEM
   ============================================================ */
.problem {
  background: var(--warm-white);
  padding: 88px 0;
  text-align: center;
}
.problem h2 {
  max-width: 640px;
  margin: 12px auto 18px;
}
.problem__body {
  max-width: 640px;
  margin: 0 auto 60px;
  color: var(--text-mid);
}
.problem__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 860px;
  margin: 0 auto;
}
.stat-card {
  background: var(--white);
  border-radius: 10px;
  padding: 36px 28px;
  box-shadow: 0 2px 18px rgba(28,52,35,0.07);
}
.stat-card__number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--forest-green);
  line-height: 1;
  margin-bottom: 10px;
}
.stat-card__text {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.5;
}

/* ============================================================
   SECTION 3 — SERVICES
   ============================================================ */
.services {
  background: var(--white);
  padding: 96px 0;
  text-align: center;
}
.services h2 { margin: 12px auto 48px; }

/* Tier cards */
.tiers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 72px;
}
.tier-card {
  border: 2px solid rgba(28,52,35,0.12);
  border-radius: 10px;
  padding: 32px 24px;
  position: relative;
  text-align: left;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.tier-card:hover {
  border-color: var(--sage-green);
  box-shadow: 0 4px 22px rgba(103,169,123,0.18);
}
.tier-card--highlight {
  border-color: var(--sage-green);
  background: rgba(103,169,123,0.05);
}
.tier-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--sage-green);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
}
.tier-badge--muted {
  background: var(--dark-green);
}
.tier-card__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sage-green);
  margin-bottom: 8px;
}
.tier-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--dark-green);
}
.tier-card p {
  font-size: 0.88rem;
  color: var(--text-mid);
  margin-bottom: 20px;
  line-height: 1.55;
}
.tier-card .btn { width: 100%; justify-content: center; font-size: 0.85rem; padding: 10px 20px; }

/* Service icon cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  text-align: left;
}
.service-card {
  background: var(--white);
  border: 1px solid rgba(28,52,35,0.1);
  border-radius: 10px;
  padding: 32px 28px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  box-shadow: 0 6px 28px rgba(28,52,35,0.1);
  border-color: var(--sage-green);
}
.service-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(103,169,123,0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.service-card__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--forest-green);
}
.service-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  color: var(--dark-green);
}
.service-card p {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.6;
}

/* ============================================================
   SECTION 4 — HOW IT WORKS
   ============================================================ */
.process {
  background: var(--dark-green);
  padding: 96px 0;
  text-align: center;
}
.process .section-label { color: var(--sage-green); }
.process h2 { color: var(--warm-white); margin: 12px auto 60px; }
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  max-width: 900px;
  margin: 0 auto 52px;
}
/* Connector line between steps */
.process__steps::before {
  content: '';
  position: absolute;
  top: 30px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 2px;
  background: rgba(103,169,123,0.35);
  z-index: 0;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}
.process-step__num {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--sage-green);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.process-step h3 {
  color: var(--warm-white);
  font-size: 1rem;
  margin-bottom: 10px;
}
.process-step p {
  font-size: 0.84rem;
  color: rgba(232,228,221,0.65);
  line-height: 1.6;
}
.process .btn { margin-top: 0; }

/* ============================================================
   SECTION 5 — WHY DMA / ABOUT
   ============================================================ */
.about {
  background: var(--warm-white);
  padding: 96px 0;
}
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about__left h2 { margin: 12px 0 20px; }
.about__left p {
  color: var(--text-mid);
  margin-bottom: 16px;
}
.about__differentiators {
  list-style: none;
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.about__differentiators li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--text-dark);
}
.diff-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--sage-green);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.diff-icon svg {
  width: 12px;
  height: 12px;
  stroke: var(--white);
  stroke-width: 3;
}
.diff-item__title {
  font-weight: 700;
  display: block;
  color: var(--dark-green);
}
.about__right {
  background: var(--white);
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 4px 28px rgba(28,52,35,0.08);
}
.about__founder-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sage-green);
  margin-bottom: 18px;
}
.about__founder-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark-green);
  margin-bottom: 4px;
}
.about__founder-title {
  font-size: 0.88rem;
  color: var(--forest-green);
  font-weight: 600;
  margin-bottom: 18px;
}
.about__founder-bio {
  font-size: 0.93rem;
  color: var(--text-mid);
  line-height: 1.7;
}
.about__badge {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(103,169,123,0.12);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--forest-green);
}

/* ============================================================
   SECTION 6 — SOCIAL PROOF
   ============================================================ */
.proof {
  background: var(--white);
  padding: 96px 0;
  text-align: center;
}
.proof h2 { margin: 12px auto 48px; }
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  text-align: left;
}
.proof-card {
  border: 1px solid rgba(28,52,35,0.1);
  border-radius: 10px;
  overflow: hidden;
}
.proof-card__header {
  background: var(--dark-green);
  padding: 20px 24px;
}
.proof-card__type {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sage-green);
  margin-bottom: 4px;
}
.proof-card__company {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--warm-white);
}
.proof-card__body {
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.proof-col__label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.proof-col__label--before { color: #c0392b; }
.proof-col__label--after  { color: var(--forest-green); }
.proof-col p {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.55;
}
.proof__disclaimer {
  margin-top: 28px;
  font-size: 0.78rem;
  color: rgba(28,52,35,0.4);
  font-style: italic;
}

/* ============================================================
   SECTION 7 — CTA / CONTACT
   ============================================================ */
.cta-section {
  background: var(--forest-green);
  padding: 96px 0;
  text-align: center;
}
.cta-section h2 {
  color: var(--warm-white);
  max-width: 640px;
  margin: 0 auto 18px;
}
.cta-section__sub {
  color: rgba(232,228,221,0.8);
  max-width: 520px;
  margin: 0 auto 40px;
  font-size: 1.05rem;
}
.cta-section__secondary {
  margin-top: 22px;
  font-size: 0.88rem;
  color: rgba(232,228,221,0.6);
}
.cta-section__secondary a {
  color: var(--warm-white);
  font-weight: 600;
}
.cta-section__secondary a:hover { text-decoration: underline; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--dark-green);
  padding: 64px 0 36px;
  color: var(--warm-white);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer__logo { height: 36px; width: auto; margin-bottom: 16px; filter: brightness(0) invert(1); opacity: 0.9; }
.footer__tagline {
  font-size: 0.88rem;
  color: rgba(232,228,221,0.55);
  line-height: 1.6;
}
.footer__col-title {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sage-green);
  margin-bottom: 18px;
}
.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a {
  font-size: 0.88rem;
  color: rgba(232,228,221,0.65);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--warm-white); }
.footer__contact-item {
  font-size: 0.88rem;
  color: rgba(232,228,221,0.65);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer__contact-item a {
  color: rgba(232,228,221,0.65);
  transition: color var(--transition);
}
.footer__contact-item a:hover { color: var(--warm-white); }
.footer__bottom {
  border-top: 1px solid rgba(232,228,221,0.1);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer__copy {
  font-size: 0.8rem;
  color: rgba(232,228,221,0.35);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .tiers { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process__steps { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .process__steps::before { display: none; }
  .about__inner { grid-template-columns: 1fr; gap: 40px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }

  .hero { padding: 72px 0 80px; }
  .hero__ctas { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 340px; justify-content: center; }

  .tiers { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .problem__stats { grid-template-columns: 1fr; }
  .process__steps { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .about__inner { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
}