/* ── Atma Solutions Branding & Styling Tokens ───────────────────────── */
:root {
  --bg: #FAF7F2;
  --surface: #FFFFFF;
  --s2: #F3EEE4;
  --s3: #EAE3D4;
  --line: #E8E1D2;
  --line-2: #D1C8B4;
  --fg: #2A2A28;
  --fg-2: #4A4A46;
  --muted: #7A7568;
  --muted-2: #9E988A;
  --accent: #3F7A66; /* Deep brand green */
  --accent-2: #2E5C4D; /* Darker green for hovers */
  --accent-3: #E1EDE6; /* Light green for chips/accents */
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

::selection {
  background: var(--accent);
  color: #fff;
}

/* ── Helpers ────────────────────────────────────────────────────── */
.mono {
  font-family: var(--mono);
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 56px);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* ── Floating nav ───────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 24px);
  max-width: 1140px;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 9px 9px 20px;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(18px) saturate(1.1);
  border: 1px solid rgba(255, 255, 255, .65);
  border-radius: 999px;
  box-shadow: 0 6px 28px -10px rgba(16, 32, 24, .12);
  transition: background .3s;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--fg);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -.02em;
}

.nav-logo img {
  height: 28px;
  width: auto;
  display: block;
}

.nav-links {
  display: none;
  gap: 24px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-links a {
  color: var(--fg-2);
  font-size: 13px;
  transition: color .15s;
}

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

@media(min-width:840px) {
  .nav-links {
    display: flex;
  }
}

.nav-cta {
  display: flex;
  gap: 6px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: background .15s, border-color .15s, transform .15s;
  letter-spacing: -.01em;
  white-space: nowrap;
}

.btn-ghost {
  color: var(--fg);
  border-color: transparent;
}

.btn-ghost:hover {
  border-color: var(--line-2);
}

.btn-solid {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-solid:hover {
  background: var(--accent-2);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 12px 24px;
  font-size: 14px;
}

/* ── Hero ───────────────────────────────────────────────────────── */
.hero {
  position: relative;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  color: #F4F1EA;
  background: #0c1410;
}

.hero-img {
  position: absolute;
  inset: 0;
}

.hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(.2) brightness(.52);
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 20, 16, .38) 0%, rgba(12, 20, 16, .6) 60%, #FAF7F2 100%);
}

.hero-body {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px clamp(18px, 4vw, 56px) 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}

@media(min-width:680px) {
  .hero-body {
    padding: clamp(120px, 13vw, 170px) clamp(18px, 4vw, 56px) clamp(80px, 8vw, 120px);
    justify-content: space-between;
    gap: 52px;
  }
}

.hero-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(244, 241, 234, .5);
}

.hero-meta span:last-child {
  display: none;
}

@media(min-width:680px) {
  .hero-meta span:last-child {
    display: inline;
  }
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(48px, 9vw, 136px);
  line-height: .95;
  letter-spacing: -.03em;
  font-weight: 400;
  max-width: 18ch;
}

.hero-title em {
  display: block;
  font-style: italic;
  color: rgba(244, 241, 234, .55);
  font-size: .62em;
  margin-top: .15em;
  line-height: 1.15;
}

.ch {
  display: inline-block;
  opacity: 0;
  transform: translateY(10px);
  animation: chIn .65s var(--ease) both;
}

@keyframes chIn {
  to {
    opacity: 1;
    transform: none;
  }
}

.hero-foot {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .14);
}

@media(min-width:680px) {
  .hero-foot {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-foot p {
  font-size: clamp(14px, 1.7vw, 17px);
  line-height: 1.7;
  color: rgba(244, 241, 234, .75);
  max-width: 460px;
}

.hero-foot strong {
  color: #F4F1EA;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-start;
  margin-top: 18px;
}

.hero-actions .btn-ghost {
  color: #F4F1EA;
  border-color: rgba(255, 255, 255, .3);
}

.hero-actions .btn-ghost:hover {
  border-color: #F4F1EA;
}

/* ── Verticals strip ────────────────────────────────────────────── */
.strip {
  padding: 36px 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.strip-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  margin-bottom: 18px;
}

.strip-track {
  overflow: hidden;
  position: relative;
}

.strip-track::before,
.strip-track::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.strip-track::before {
  left: 0;
  background: linear-gradient(90deg, #fff, transparent);
}

.strip-track::after {
  right: 0;
  background: linear-gradient(-90deg, #fff, transparent);
}

.strip-row {
  display: flex;
  gap: 0;
  width: max-content;
  animation: scroll 28s linear infinite;
}

.strip-row:hover {
  animation-play-state: paused;
}

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

.strip-item {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 0 40px;
  border-right: 1px solid var(--line);
  white-space: nowrap;
  transition: opacity .2s;
}

.strip-item:hover {
  opacity: 0.8;
}

.strip-item-name {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--fg);
  text-transform: none;
  letter-spacing: normal;
}

.strip-item-savings {
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── Section base ───────────────────────────────────────────────── */
.section {
  padding: 96px 0;
}

.sec-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}

.sec-h {
  font-family: var(--serif);
  font-size: clamp(28px, 4.2vw, 52px);
  line-height: 1.06;
  letter-spacing: -.02em;
  font-weight: 400;
  margin-bottom: 44px;
  max-width: 24ch;
}

.sec-h em {
  font-style: italic;
  color: var(--muted);
}

.sec-tag {
  display: inline-block;
  padding: 5px 13px;
  background: var(--accent-3);
  border: 1px solid rgba(63, 122, 102, .2);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

/* ── Features grid (6 pillars) ──────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

@media(min-width:860px) {
  .features {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feat {
  background: var(--surface);
  padding: 32px 26px;
}

.feat-k {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.feat-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}

.feat-desc {
  font-size: 13.5px;
  color: var(--fg-2);
  line-height: 1.65;
}

/* ── Feature split ──────────────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

@media(min-width:760px) {
  .split {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.split-img {
  overflow: hidden;
  border-radius: 16px;
  max-height: 480px;
}

.split-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-copy {
  padding: clamp(28px, 5vw, 64px);
}



.split-copy p {
  font-size: 14.5px;
  color: var(--fg-2);
  line-height: 1.75;
  margin-top: 18px;
  max-width: 420px;
}

/* ── Wide editorial ─────────────────────────────────────────────── */
.wide {
  position: relative;
  overflow: hidden;
}

.wide img {
  width: 100%;
  height: clamp(260px, 45vw, 520px);
  object-fit: cover;
  filter: grayscale(.15) brightness(.72);
}

.wide-over {
  position: absolute;
  inset: 0;
  background: rgba(12, 20, 16, .52);
  display: flex;
  align-items: center;
  justify-content: center;
}

.wide-inner {
  text-align: center;
  color: #F4F1EA;
  padding: clamp(24px, 4vw, 56px);
}

.wide-h {
  font-family: var(--serif);
  font-size: clamp(28px, 5vw, 66px);
  line-height: 1.05;
  letter-spacing: -.025em;
  font-weight: 400;
}

.wide-h em {
  font-style: italic;
  color: rgba(244, 241, 234, .5);
}



/* ── Testimonials ───────────────────────────────────────────────── */
.quotes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media(min-width:700px) {
  .quotes {
    grid-template-columns: repeat(3, 1fr);
  }
}

.quote {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px 26px;
}

.q-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-2);
  margin-bottom: 22px;
}

.q-who {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--fg);
}

.q-at {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 2px;
}

/* ── Results ────────────────────────────────────────────────────── */
.results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

@media(min-width:700px) {
  .results {
    grid-template-columns: repeat(4, 1fr);
  }
}

.res-cell {
  background: var(--surface);
  padding: 34px 26px;
  text-align: center;
}

.res-k {
  font-family: var(--serif);
  font-size: clamp(30px, 4.5vw, 48px);
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}

.res-l {
  font-size: 13px;
  color: var(--fg-2);
  font-weight: 500;
  margin-bottom: 4px;
}

.res-sub {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--muted-2);
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ── FAQ accordion ──────────────────────────────────────────────── */
.faq {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
  text-align: left;
  transition: color .15s;
}

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

.faq-icon {
  flex-shrink: 0;
  transition: transform .28s var(--ease);
  color: var(--muted);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .38s var(--ease);
}

.faq-item.open .faq-body {
  max-height: 260px;
}

.faq-body p {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.75;
}

/* ── CTA ────────────────────────────────────────────────────────── */
.cta-band {
  padding: 96px 0;
  text-align: center;
  background: radial-gradient(ellipse 65% 55% at 50% 0%, rgba(63, 122, 102, .10) 0%, transparent 70%), var(--bg);
}

.cta-h {
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.06;
  letter-spacing: -.025em;
  font-weight: 400;
  margin-bottom: 20px;
}

.cta-h em {
  font-style: italic;
  color: var(--accent);
}

.cta-sub {
  font-size: 16px;
  color: var(--fg-2);
  margin-bottom: 36px;
  line-height: 1.6;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.cta-contact {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 16px;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 500;
  border: 1px solid;
  transition: all .2s;
}

.wa-btn {
  background: rgba(37, 211, 102, .07);
  border-color: rgba(37, 211, 102, .25);
  color: #2a9b52;
}

.wa-btn:hover {
  background: rgba(37, 211, 102, .14);
  border-color: rgba(37, 211, 102, .5);
  transform: translateY(-1px);
}

.em-btn {
  background: rgba(63, 122, 102, .07);
  border-color: rgba(63, 122, 102, .22);
  color: var(--accent);
}

.em-btn:hover {
  background: rgba(63, 122, 102, .14);
  border-color: rgba(63, 122, 102, .5);
  transform: translateY(-1px);
}

.cta-note {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted-2);
}

/* ── Footer ─────────────────────────────────────────────────────── */
footer {
  background: var(--s2);
  border-top: 1px solid var(--line);
  padding: 52px 0 28px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 36px;
}

@media(min-width:680px) {
  .foot-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.foot-tag {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.65;
  margin-top: 10px;
  max-width: 250px;
}

.foot-col h4 {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 12px;
}

.foot-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.foot-col a {
  font-size: 13.5px;
  color: var(--fg-2);
  transition: color .15s;
}

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

.foot-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.foot-copy {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted-2);
}

/* ── In-screen app styles (dark, iOS-ish mockup UI) ───────────── */
.akb-chip {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 10.5px;
  font-weight: 600;
}

.akb-green {
  background: #0d2e1a;
  color: #34d399;
}

.akb-blue {
  background: #0d1f3a;
  color: #60a5fa;
}

.akb-yellow {
  background: #2e2200;
  color: #fbbf24;
}

.akb-red {
  background: #2e0d0d;
  color: #f87171;
}

.akb-card {
  background: #161a27;
  border: 1px solid #2a2d3a;
  border-radius: 10px;
  padding: 14px;
}

.akb-bar {
  width: 4px;
  border-radius: 3px;
  background: #3F7A66;
  animation: wave 1s ease-in-out infinite;
}

@keyframes wave {
  0%, 100% { transform: scaleY(.2) }
  50% { transform: scaleY(1) }
}

.akb-wave {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 36px;
}

@keyframes bpulse {
  0%, 100% { opacity: 1 }
  50% { opacity: .35 }
}

@keyframes bslidein {
  from { opacity: 0; transform: translateY(8px) }
  to { opacity: 1; transform: translateY(0) }
}

.imb {
  max-width: 76%;
  padding: 7px 11px;
  border-radius: 14px;
  font-size: 12px;
  line-height: 1.35;
  opacity: 0;
  transform: scale(.75) translateY(6px);
  transition: all .28s cubic-bezier(.2, .9, .3, 1.4);
}

.imb.on {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.imb.s {
  align-self: flex-end;
  background: #0a84ff;
  color: #fff;
  border-bottom-right-radius: 4px;
}

.imb.r {
  align-self: flex-start;
  background: #3a3a3c;
  color: #fff;
  border-bottom-left-radius: 4px;
}

.imd i {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #8e8e93;
  animation: bpulse 1.1s infinite;
  margin-right: 2px;
}

.imd i:nth-child(2) { animation-delay: .18s }
.imd i:nth-child(3) { animation-delay: .36s }

.akb-prog {
  height: 5px;
  border-radius: 3px;
  background: #1e2130;
  overflow: hidden;
}

.akb-prog-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #3F7A66, #2E5C4D);
  transition: width 1s ease;
}

/* ── Scrollbar ──────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--line);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-radius: 4px;
}

/* ── Tap feedback ───────────────────────────────────────────────── */
a:active,
button:not(:disabled):active {
  transform: scale(.985);
  transition: transform .05s;
}

/* ── ROI Calculator Section ────────────────────────────────────── */
.roi-container {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(20px, 4vw, 40px);
  box-shadow: 0 16px 48px rgba(74, 74, 70, 0.05);
  position: relative;
  overflow: hidden;
}

.roi-header {
  margin-bottom: 36px;
  text-align: left;
}

.roi-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--accent);
  background: var(--accent-3);
  padding: 4px 10px;
  border-radius: 99px;
  font-weight: 600;
  display: inline-block;
  text-transform: uppercase;
  border: 1px solid rgba(63, 122, 102, 0.15);
}

.roi-title {
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 36px);
  color: var(--fg);
  font-weight: 400;
  margin-top: 12px;
}

.roi-subtitle {
  font-size: 13px;
  color: var(--muted);
  margin-top: 6px;
  line-height: 1.5;
  max-width: 680px;
}

.roi-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 820px) {
  .roi-grid {
    grid-template-columns: 7fr 5fr;
  }
}

/* Controls Panel */
.roi-controls {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.roi-field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.roi-label {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
}

.roi-sector-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  background: var(--s2);
  padding: 6px;
  border-radius: 10px;
  border: 1px solid var(--line);
}

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

.roi-sector-btn {
  background: transparent;
  border: none;
  border-radius: 6px;
  padding: 10px 14px;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11.5px;
  color: var(--fg-2);
  transition: all .2s var(--ease);
  cursor: pointer;
}

.roi-sector-btn:hover {
  background: rgba(255, 255, 255, 0.45);
  color: var(--fg);
}

.roi-sector-btn.active {
  background: var(--surface);
  color: var(--accent);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(74, 74, 70, 0.05);
}

.roi-btn-icon {
  flex-shrink: 0;
  stroke: currentColor;
}

.roi-sector-desc {
  font-size: 11.5px;
  color: var(--muted);
  font-style: italic;
  background: var(--bg);
  padding: 8px 12px;
  border-radius: 6px;
  border-left: 3px solid var(--line-2);
  margin-top: 4px;
  line-height: 1.4;
}

/* Parameters Expand Toggle & Panel */
.roi-toggle-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .05em;
  cursor: pointer;
  transition: all .2s var(--ease);
}

.roi-toggle-btn:hover {
  background: var(--s2);
  color: var(--fg);
}

.roi-toggle-icon {
  font-size: 8px;
  transition: transform .2s var(--ease);
}

.roi-sliders-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s ease-in-out, opacity .3s, margin-top .3s;
  opacity: 0;
  overflow: hidden;
}

.roi-sliders-panel.expanded {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-top: 12px;
}

.roi-sliders-inner {
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
  background: var(--bg);
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.roi-slider-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.roi-slider-header {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--fg-2);
}

.roi-slider-val {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--accent);
}

.roi-slider-input {
  width: 100%;
  height: 6px;
  background: var(--s2);
  border-radius: 8px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  border: 1px solid var(--line);
}

.roi-slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--surface);
  box-shadow: 0 4px 8px rgba(74, 74, 70, 0.15);
  cursor: pointer;
  transition: transform .15s var(--ease), background-color .15s;
}

.roi-slider-input::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: var(--accent-2);
}

.roi-slider-input::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 3px solid var(--surface);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 4px 8px rgba(74, 74, 70, 0.15);
  cursor: pointer;
  transition: transform .15s var(--ease), background-color .15s;
}

.roi-slider-input::-moz-range-thumb:hover {
  transform: scale(1.2);
  background: var(--accent-2);
}

.roi-slider-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--muted-2);
}

/* Metrics Panel */
.roi-metrics {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.roi-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.roi-metric-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 12px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.roi-metric-card.highlight-accent {
  background: var(--accent-3);
  border-color: rgba(63, 122, 102, 0.2);
}

.roi-card-label {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: .08em;
  color: var(--muted);
  text-transform: uppercase;
}

.roi-card-val {
  font-family: var(--serif);
  font-size: clamp(18px, 2.2vw, 24px);
  color: var(--fg);
  font-weight: 600;
  line-height: 1.1;
}

.roi-card-unit {
  font-family: var(--sans);
  font-size: 9.5px;
  color: var(--muted);
  font-weight: 400;
}

.roi-container .text-accent {
  color: var(--accent) !important;
}

.roi-yield-box {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: 1px solid var(--accent-2);
  padding: 24px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  color: #FFFFFF;
}

.roi-yield-tag {
  font-family: var(--mono);
  font-size: 8.5px;
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  padding: 3px 8px;
  border-radius: 4px;
  align-self: flex-start;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
}

.roi-yield-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.roi-yield-val {
  font-family: var(--serif);
  font-size: clamp(32px, 4.2vw, 44px);
  color: #FFFFFF;
  font-weight: 600;
  line-height: 1;
}

.roi-yield-badge {
  font-family: var(--mono);
  font-size: 10px;
  color: #FFFFFF;
  font-weight: 600;
}

.roi-yield-text {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
}

.roi-yield-text strong {
  color: #FFFFFF;
}

.roi-payback-box {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 16px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.roi-payback-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.roi-payback-label {
  font-size: 11px;
  color: var(--muted);
  display: block;
  margin-bottom: 2px;
}

.roi-payback-val {
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--fg);
}

.roi-payback-val.text-accent {
  color: var(--accent);
}

.roi-payback-details {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--muted-2);
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

/* SVG Chart styling */
.roi-chart-section {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.roi-chart-header {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
}

@media (min-width: 540px) {
  .roi-chart-header {
    flex-direction: row;
    align-items: center;
  }
}

.roi-chart-title {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-2);
}

.roi-chart-legend {
  display: flex;
  gap: 16px;
  font-size: 10.5px;
  color: var(--fg-2);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-line {
  display: inline-block;
  width: 12px;
  height: 2px;
}

.legend-line.dash {
  background: transparent;
  border-top: 2px dashed rgba(74, 74, 70, 0.6);
}

.legend-line.solid {
  background: var(--accent);
}

.roi-svg-container {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.roi-svg {
  width: 100%;
  max-width: 600px;
  overflow: visible;
}

#path-legacy {
  stroke: var(--muted-2);
  stroke-width: 2px;
  stroke-dasharray: 4 3;
  fill: none;
}

#path-atma {
  stroke: url(#greenGrad);
  stroke-width: 3.5px;
  fill: none;
  filter: drop-shadow(0 2px 5px rgba(63, 122, 102, 0.25));
}

.roi-svg-label {
  font-family: var(--mono);
  font-size: 8.5px;
  fill: var(--muted-2);
}

.roi-tooltip {
  position: absolute;
  background: rgba(42, 42, 40, 0.95);
  color: #ffffff;
  padding: 8px 12px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.4;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  pointer-events: none;
  transform: translate(-50%, -100%);
  margin-top: -10px;
  white-space: nowrap;
  transition: opacity 0.15s ease, transform 0.15s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.roi-node {
  cursor: pointer;
  transition: r 0.15s ease, stroke-width 0.15s ease;
}

.roi-node:hover {
  r: 7px;
}

.legacy-node {
  fill: var(--muted-2);
  stroke: var(--surface);
  stroke-width: 1.5px;
}

.atma-node {
  fill: var(--accent);
  stroke: var(--surface);
  stroke-width: 1.5px;
}


/* ── Hero Live Tickers ─────────────────────────────────────────── */
.hero-live-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
  align-items: stretch;
  width: 100%;
  max-width: 380px;
  margin-top: 12px;
}

@media(min-width:680px) {
  .hero-live-container {
    justify-self: end;
    margin-top: 0;
    min-width: 280px;
  }
}

.hero-live-card {
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.20);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.hero-live-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
}

.hero-card-meta {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  transition: color 0.3s ease;
}

.hero-card-val {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 400;
  line-height: 1.2;
  transition: color 0.3s ease;
}

.hero-card-val-mono {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 500;
  color: #FFFFFF;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.hero-live-badge {
  font-family: var(--sans);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
  font-weight: 400;
}

/* Pulsing heart line icon style */
.hero-pulse-icon {
  margin-right: 6px;
  animation: pulse-dash 2s ease-in-out infinite;
}

@keyframes pulse-dash {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Pulsing Dot Indicator styles */
.hero-ping-container {
  position: relative;
  display: inline-flex;
  width: 6px;
  height: 6px;
  margin-right: 6px;
}

.hero-ping-ring {
  animation: ping-anim 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
  position: absolute;
  display: inline-flex;
  height: 100%;
  width: 100%;
  border-radius: 9999px;
  background-color: #69B397;
  opacity: 0.75;
}

.hero-ping-dot {
  position: relative;
  display: inline-flex;
  border-radius: 9999px;
  height: 6px;
  width: 6px;
  background-color: #52a384;
}

@keyframes ping-anim {
  75%, 100% {
    transform: scale(2.5);
    opacity: 0;
  }
}

/* ── Enterprise Impact Section ─────────────────────────────────── */
.impact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}

@media(min-width: 768px) {
  .impact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.impact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 32px 28px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.3s var(--ease), border-color 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.impact-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 12px 30px rgba(63, 122, 102, 0.08);
}

.impact-badge {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-3);
  padding: 4px 10px;
  border-radius: 6px;
  align-self: flex-start;
  letter-spacing: 0.05em;
}

.impact-card-title {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 400;
  color: var(--fg);
  line-height: 1.2;
}

.impact-card-desc {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.6;
  font-weight: 300;
}

/* ── Build Process Section ─────────────────────────────────────── */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

@media(min-width: 576px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media(min-width: 992px) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 28px 24px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.3s var(--ease), border-color 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.process-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 12px 30px rgba(63, 122, 102, 0.08);
}

.process-badge {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-3);
  padding: 4px 8px;
  border-radius: 4px;
  align-self: flex-start;
  letter-spacing: 0.05em;
}

.process-card-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--fg);
  line-height: 1.3;
}

.process-card-desc {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.5;
  font-weight: 300;
}

/* ── Phone Demo Panels ────────────────────────────────────────── */
.demo-phone-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(40px, 6vw, 80px) clamp(20px, 4vw, 56px);
  background: rgba(0, 0, 0, .02);
  overflow: hidden;
  width: 100%;
}

@media(min-width:760px) {
  .demo-phone-panel {
    position: sticky;
    top: 0;
    height: 100vh;
  }
}

/* iPhone frame */
.iphone-wrap {
  perspective: 900px;
  flex-shrink: 0;
  opacity: 0;
  transform: translateY(44px) scale(.93);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}

.iphone-wrap.visible {
  opacity: 1;
  transform: none;
}

.iphone-wrap.visible .iphone {
  animation: phoneEnter 1s cubic-bezier(.2, .9, .3, 1.1) both;
}

@keyframes phoneEnter {
  from {
    transform: rotateY(-24deg) rotateX(8deg) translateY(12px) scale(.96);
  }
  to {
    transform: rotateY(-10deg) rotateX(3deg);
  }
}

.iphone {
  width: 228px;
  height: 464px;
  background: linear-gradient(168deg, #3a3a3c 0%, #242426 28%, #1a1a1c 55%, #222224 80%, #2e2e30 100%);
  border-radius: 44px;
  position: relative;
  border: none;
  background-clip: padding-box;
  outline: 2.5px solid transparent;
  background-image: linear-gradient(168deg, #3a3a3c 0%, #242426 28%, #1a1a1c 55%, #222224 80%, #2e2e30 100%);
  box-shadow:
    0 0 0 1px #1a1a1c,
    0 0 0 2.5px #6e6e72,
    0 0 0 3px #8a8a8e,
    0 0 0 3.5px #c8c8cc,
    0 0 0 4px #e8e8ec,
    0 0 0 4.5px #b0b0b4,
    0 0 0 5.5px #686868,
    0 0 0 6.5px #2a2a2c,
    inset 0 1.5px 0 rgba(255, 255, 255, .22),
    inset 0 -1px 0 rgba(0, 0, 0, .7),
    inset 1px 0 0 rgba(255, 255, 255, .08),
    inset -1px 0 0 rgba(0, 0, 0, .5),
    0 40px 80px rgba(0, 0, 0, .5),
    0 16px 32px rgba(0, 0, 0, .28),
    0 50px 80px rgba(6, 105, 128, .22);
  transform-style: preserve-3d;
  transform: rotateY(-10deg) rotateX(3deg);
  transition: transform .4s var(--ease), box-shadow .4s;
  flex-shrink: 0;
}

.iphone-wrap:hover .iphone {
  transform: rotateY(-4deg) rotateX(1deg);
  box-shadow:
    0 0 0 1px #1a1a1c,
    0 0 0 2.5px #6e6e72,
    0 0 0 3px #9a9a9e,
    0 0 0 3.5px #d8d8dc,
    0 0 0 4px #f0f0f4,
    0 0 0 4.5px #c0c0c4,
    0 0 0 5.5px #787878,
    0 0 0 6.5px #2a2a2c,
    inset 0 1.5px 0 rgba(255, 255, 255, .22),
    inset 0 -1px 0 rgba(0, 0, 0, .7),
    0 48px 100px rgba(0, 0, 0, .55),
    0 20px 40px rgba(0, 0, 0, .3);
}

/* Side buttons */
.iphone::before {
  content: '';
  position: absolute;
  left: -2px;
  top: 100px;
  width: 2px;
  height: 26px;
  background: linear-gradient(90deg, #2a2a2c, #5e5e62 45%, #3a3a3c);
  border-radius: 1px 0 0 1px;
  box-shadow:
    0 38px 0 #4a4a4e,
    0 72px 0 #3e3e42;
}

.iphone::after {
  content: '';
  position: absolute;
  right: -2px;
  top: 130px;
  width: 2px;
  height: 52px;
  background: linear-gradient(90deg, #3a3a3c, #5e5e62 50%, #2a2a2c);
  border-radius: 0 1px 1px 0;
}

/* screen inset */
.iphone-screen {
  position: absolute;
  top: 4px;
  left: 4px;
  right: 4px;
  bottom: 4px;
  border-radius: 40px;
  overflow: hidden;
  background: #000;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .9);
}

.iphone-screen::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 99;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(132deg,
      rgba(255, 255, 255, .09) 0%,
      rgba(255, 255, 255, .03) 22%,
      transparent 45%,
      transparent 75%,
      rgba(255, 255, 255, .04) 100%);
}

/* Dynamic Island */
.iphone-island {
  position: absolute;
  top: 11px;
  left: 50%;
  transform: translateX(-50%);
  height: 26px;
  background: #000;
  border-radius: 13px;
  z-index: 20;
  box-shadow: 0 0 0 1.5px #111, 0 2px 10px rgba(0, 0, 0, .7), inset 0 1px 0 rgba(255, 255, 255, .06);
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 9px;
  overflow: hidden;
  width: 108px;
}

.isl-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.isl-dot-orange {
  background: #ff9f0a;
  box-shadow: 0 0 5px 2px rgba(255, 159, 10, .8);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

.isl-badge {
  background: #ff3b30;
  color: #fff;
  font-size: 8px;
  font-weight: 700;
  min-width: 13px;
  height: 13px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
  animation: badgePop .4s cubic-bezier(.2, .9, .3, 1.4) both;
  font-family: var(--sans);
}

@keyframes badgePop {
  from { transform: scale(0); }
  to { transform: scale(1); }
}

.isl-env {
  font-size: 11px;
  animation: envShake 3s ease-in-out infinite;
}

@keyframes envShake {
  0%, 90%, 100% { transform: rotate(0deg); }
  92% { transform: rotate(-12deg); }
  96% { transform: rotate(12deg); }
}

.iphone-home {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 88px;
  height: 4px;
  background: rgba(255, 255, 255, .28);
  border-radius: 2px;
  z-index: 20;
}

.iphone-content {
  position: absolute;
  inset: 0;
  border-radius: 39px;
  overflow: hidden;
}

.demo-phone-panel::before {
  content: '';
  position: absolute;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(63, 122, 102, .18) 0%, transparent 70%);
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

/* Chat Bubbles inside Phone screen */
.imb {
  max-width: 76%;
  padding: 7px 11px;
  border-radius: 14px;
  font-size: 11px;
  line-height: 1.35;
  opacity: 0;
  transform: scale(.75) translateY(6px);
  transition: all .28s cubic-bezier(.2, .9, .3, 1.4);
}

.imb.on {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.imb.s {
  align-self: flex-end;
  background: #0a84ff;
  color: #fff;
  border-bottom-right-radius: 4px;
}

.imb.r {
  align-self: flex-start;
  background: #2c2c2e;
  color: #fff;
  border-bottom-left-radius: 4px;
  text-align: left;
}

.imd i {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #8e8e93;
  animation: bpulse 1.1s infinite;
  margin-right: 2px;
}

.imd i:nth-child(2) {
  animation-delay: .18s;
}

.imd i:nth-child(3) {
  animation-delay: .36s;
}

@keyframes bpulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}