:root {
  --sky: #9fc9f3;
  --navy: #071426;
  --cyan: #32bdf2;
  --purple: #7a5cff;
  --green: #29c27f;
  --yellow: #ffd166;
  --white: #ffffff;
  --cloud: #f4f8fc;
  --slate: #5b6778;
  --line: rgba(7, 20, 38, 0.12);
  --shadow: 0 24px 70px rgba(7, 20, 38, 0.14);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--navy);
  background: var(--white);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

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

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

h1,
h2,
h3,
p {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: "Poppins", "Inter", sans-serif;
  line-height: 1.05;
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  font-size: clamp(2.8rem, 5vw, 4.9rem);
  overflow-wrap: break-word;
}

.dynamic-hero-title {
  display: grid;
  gap: 8px;
}

.dynamic-word-frame {
  display: inline-grid;
  justify-self: start;
  min-height: 1.05em;
  overflow: hidden;
  color: #0b7d72;
}

[data-dynamic-word] {
  display: inline-block;
}

.dynamic-word-piece {
  display: inline-block;
  opacity: 0;
  animation: word-rise 760ms ease both;
  animation-delay: var(--word-delay, 0ms);
}

@keyframes word-rise {
  from {
    opacity: 0;
    transform: translateY(0.45em);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h2 {
  font-size: clamp(2rem, 4vw, 4rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  color: var(--slate);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 14px;
  min-height: 82px;
  padding: 14px clamp(18px, 4vw, 64px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(7, 20, 38, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  width: 156px;
  overflow: hidden;
  border-radius: 999px;
}

.brand img,
.site-footer img {
  width: 100%;
  height: auto;
}

.site-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.93rem;
  font-weight: 700;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: 999px;
  color: rgba(7, 20, 38, 0.72);
}

.site-nav a:hover {
  color: var(--navy);
  background: var(--cloud);
}

.site-nav .mobile-menu-only {
  display: none;
}

.header-cta,
.language-toggle,
.btn,
.price-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 58px;
  padding: 16px 26px;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 900;
  line-height: 1;
  border: 2px solid transparent;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
}

.language-toggle {
  min-width: 72px;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--line);
  cursor: pointer;
  box-shadow: none;
}

.language-toggle:hover {
  background: var(--cloud);
}

.header-cta,
.btn-primary,
.price-card a {
  color: var(--white);
  background: linear-gradient(135deg, #25d366, #128c7e);
  border-color: #075e54;
  box-shadow: 0 16px 0 rgba(7, 94, 84, 0.2), 0 18px 42px rgba(7, 20, 38, 0.18);
}

.header-cta {
  min-height: 44px;
  padding: 11px 16px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  box-shadow: 0 8px 0 rgba(7, 94, 84, 0.18), 0 12px 24px rgba(7, 20, 38, 0.14);
}

.header-cta[href*="wa.me"]::before {
  width: 22px;
  height: 22px;
  background-size: 15px 15px;
  box-shadow: 0 0 0 2px var(--white), 0 1px 4px rgba(7, 20, 38, 0.16);
}

.header-cta:hover,
.btn:hover,
.price-card a:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 0 rgba(7, 94, 84, 0.16), 0 24px 50px rgba(7, 20, 38, 0.2);
}

.header-cta:hover {
  box-shadow: 0 10px 0 rgba(7, 94, 84, 0.15), 0 14px 28px rgba(7, 20, 38, 0.16);
}

.btn-secondary {
  color: #075e54;
  background: #dcf8c6;
  border-color: #128c7e;
  box-shadow: 0 14px 0 rgba(7, 94, 84, 0.14), 0 18px 38px rgba(7, 20, 38, 0.1);
}

.btn .icon {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  flex: 0 0 auto;
  padding: 6px;
  color: #22c55e;
  background: var(--white);
  border-radius: 50%;
  box-shadow: inset 0 0 0 2px rgba(34, 197, 94, 0.25);
}

.header-cta[href*="wa.me"]::before,
.btn[href*="wa.me"]::before,
.price-card a[href*="wa.me"]::before {
  content: "";
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  background:
    #22c55e
    url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill='white' d='M20.52 3.48A11.8 11.8 0 0 0 12.04 0C5.46 0 .11 5.34.11 11.93c0 2.1.55 4.16 1.6 5.97L0 24l6.25-1.64a11.9 11.9 0 0 0 5.69 1.45h.01c6.58 0 11.93-5.35 11.93-11.93 0-3.19-1.24-6.18-3.48-8.43ZM11.95 21.8a9.9 9.9 0 0 1-5.05-1.38l-.36-.21-3.7.97.99-3.61-.23-.37a9.87 9.87 0 0 1-1.51-5.27c0-5.48 4.46-9.94 9.96-9.94a9.88 9.88 0 0 1 7.03 2.91 9.86 9.86 0 0 1 2.91 7.03c0 5.49-4.47 9.95-9.99 9.95Zm5.46-7.44c-.3-.15-1.76-.87-2.03-.97-.27-.1-.47-.15-.67.15-.2.3-.77.97-.94 1.17-.17.2-.35.22-.65.07-.3-.15-1.26-.46-2.39-1.47a8.9 8.9 0 0 1-1.65-2.06c-.17-.3-.02-.46.13-.61.13-.13.3-.35.45-.52.15-.17.2-.3.3-.5.1-.2.05-.37-.02-.52-.08-.15-.67-1.61-.92-2.21-.24-.58-.49-.5-.67-.51h-.57c-.2 0-.52.07-.79.37-.27.3-1.04 1.02-1.04 2.48s1.07 2.88 1.22 3.07c.15.2 2.1 3.2 5.08 4.49.71.31 1.26.49 1.69.63.71.23 1.36.2 1.87.12.57-.08 1.76-.72 2.01-1.41.25-.7.25-1.29.17-1.42-.07-.12-.27-.2-.57-.35Z'/%3E%3C/svg%3E")
    center / 22px 22px no-repeat;
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--white), 0 2px 8px rgba(7, 20, 38, 0.18);
}

.btn .icon + svg,
.btn[href*="wa.me"] .icon {
  display: none;
}

.btn[href="#contact"],
.contact-form button {
  color: var(--white);
  background: var(--navy);
  border-color: var(--navy);
  box-shadow: 0 14px 0 rgba(7, 20, 38, 0.16), 0 18px 42px rgba(7, 20, 38, 0.14);
}

.btn svg,
.feature-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
  color: var(--navy);
  background: var(--cloud);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.nav-toggle span:not(.sr-only) {
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 430px);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  min-height: calc(100svh - 82px);
  padding: clamp(44px, 7vw, 92px) clamp(18px, 5vw, 76px) clamp(40px, 6vw, 80px);
  background:
    linear-gradient(90deg, rgba(159, 201, 243, 0.86), rgba(244, 248, 252, 0.96) 58%, rgba(255, 255, 255, 1)),
    var(--sky);
}

.eyebrow {
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-copy {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.hero-text {
  max-width: 650px;
  color: rgba(7, 20, 38, 0.78);
  font-size: clamp(1.05rem, 1.55vw, 1.24rem);
  min-width: 0;
}

.hero-actions,
.trust-row,
.hero-stats,
.metrics-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.trust-row,
.hero-stats {
  padding-top: 8px;
}

.trust-row span,
.hero-stats span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 800;
}

.metrics-row {
  max-width: 760px;
  padding-top: 12px;
}

.metrics-row div {
  display: grid;
  gap: 0;
  min-width: 150px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: var(--radius);
}

.metrics-row strong {
  color: var(--navy);
  font-family: "Poppins", "Inter", sans-serif;
  font-size: 1.55rem;
  line-height: 1;
}

.metrics-row span {
  color: var(--slate);
  font-size: 0.84rem;
  font-weight: 800;
}

.phone-scene {
  position: relative;
  min-height: 590px;
  min-width: 0;
}

.phone {
  position: absolute;
  inset: 0 7% auto auto;
  width: min(400px, 88vw);
  min-height: 610px;
  padding: 10px;
  background: #071426;
  border: 8px solid #071426;
  border-radius: 44px;
  box-shadow: 0 30px 90px rgba(7, 20, 38, 0.24);
}

.phone::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 50%;
  width: 104px;
  height: 24px;
  transform: translateX(-50%);
  background: #071426;
  border-radius: 999px;
  z-index: 2;
}

.phone-status {
  position: relative;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  padding: 6px 18px 5px;
  color: var(--white);
  font-size: 0.74rem;
  font-weight: 900;
}

.phone-screen {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 554px;
  overflow: hidden;
  background: #efe7dc;
  border-radius: 34px;
}

.hero-whatsapp-topbar {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 72px;
  padding: 14px 15px;
  color: var(--white);
  background: #075e54;
}

.hero-whatsapp-topbar img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.45);
}

.hero-whatsapp-topbar strong {
  display: block;
  line-height: 1.1;
}

.hero-whatsapp-topbar div span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.86rem;
  font-weight: 700;
}

.back-mark {
  width: 11px;
  height: 11px;
  border-left: 2px solid rgba(255, 255, 255, 0.9);
  border-bottom: 2px solid rgba(255, 255, 255, 0.9);
  transform: rotate(45deg);
}

.call-dot {
  width: 8px;
  height: 8px;
  margin-left: auto;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  box-shadow: -14px 0 0 rgba(255, 255, 255, 0.85), -28px 0 0 rgba(255, 255, 255, 0.85);
}

.hero-whatsapp-thread {
  display: grid;
  gap: 10px;
  min-height: 420px;
  padding: 18px 15px;
  align-content: start;
  background:
    linear-gradient(rgba(239, 231, 220, 0.9), rgba(239, 231, 220, 0.9)),
    radial-gradient(circle at 18px 18px, rgba(7, 94, 84, 0.08) 2px, transparent 3px);
  background-size: auto, 34px 34px;
}

.hero-message {
  max-width: 88%;
  animation-duration: 620ms;
}

.hero-message:nth-of-type(2) {
  animation-delay: 180ms;
}

.hero-message:nth-of-type(3) {
  animation-delay: 420ms;
}

.hero-message:nth-of-type(4) {
  animation-delay: 680ms;
}

.hero-message:nth-of-type(5) {
  animation-delay: 920ms;
}

.typing-bubble {
  display: flex;
  gap: 4px;
  justify-self: start;
  align-items: center;
  width: 58px;
  padding: 12px 13px;
  background: var(--white);
  border-radius: 8px;
  border-top-left-radius: 0;
  box-shadow: 0 2px 3px rgba(7, 20, 38, 0.08);
  animation: wa-pop 520ms ease 1.2s both;
}

.typing-bubble span {
  width: 7px;
  height: 7px;
  background: rgba(17, 27, 33, 0.42);
  border-radius: 50%;
  animation: typing-dot 1.1s ease-in-out infinite;
}

.typing-bubble span:nth-child(2) {
  animation-delay: 120ms;
}

.typing-bubble span:nth-child(3) {
  animation-delay: 240ms;
}

.hero-wa-input {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 10px 13px 14px;
  color: rgba(17, 27, 33, 0.52);
  background: #f0f2f5;
  font-size: 0.86rem;
  font-weight: 800;
}

.hero-wa-input::before {
  content: "";
  flex: 1;
  height: 38px;
  background: var(--white);
  border-radius: 999px;
}

@keyframes typing-dot {
  0%,
  70%,
  100% {
    transform: translateY(0);
    opacity: 0.45;
  }
  35% {
    transform: translateY(-3px);
    opacity: 1;
  }
}

.floating-note {
  position: absolute;
  display: grid;
  gap: 2px;
  min-width: 152px;
  padding: 15px 16px;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 42px rgba(7, 20, 38, 0.15);
  font-weight: 900;
}

.floating-note span {
  color: var(--slate);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.note-one {
  top: 14%;
  left: 0;
  border-left: 5px solid var(--purple);
}

.note-two {
  right: 0;
  bottom: 13%;
  border-left: 5px solid var(--green);
}

.section-band,
.solution,
.subjects,
.audiences,
.pricing,
.proof-strip,
.reviews,
.impact,
.use-cases,
.final-cta,
.site-footer {
  padding: clamp(58px, 8vw, 104px) clamp(18px, 5vw, 76px);
}

.proof-strip {
  display: grid;
  gap: 20px;
  padding-top: 34px;
  padding-bottom: 34px;
  background: var(--navy);
}

.featured-strip {
  display: grid;
  gap: 18px;
  padding: 34px clamp(18px, 5vw, 76px);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.featured-strip div {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.featured-strip span {
  display: grid;
  min-height: 64px;
  place-items: center;
  padding: 12px;
  color: rgba(7, 20, 38, 0.62);
  background: var(--cloud);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-weight: 900;
  text-align: center;
}

.proof-strip p {
  color: var(--white);
  font-family: "Poppins", "Inter", sans-serif;
  font-size: clamp(1.3rem, 2.6vw, 2rem);
  font-weight: 800;
}

.proof-strip div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.proof-strip span {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 10px 14px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  font-weight: 800;
}

.review-grid,
.impact-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.review-grid article,
.impact-cards article {
  display: grid;
  gap: 14px;
  min-height: 230px;
  align-content: start;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.review-grid span {
  color: var(--purple);
  font-weight: 900;
  text-transform: uppercase;
}

.review-grid p {
  color: var(--navy);
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.35;
}

.impact {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
  background: var(--white);
}

.impact-copy {
  position: sticky;
  top: 110px;
  display: grid;
  gap: 16px;
}

.impact-copy p:last-child {
  font-size: 1.12rem;
}

.impact-cards {
  grid-template-columns: 1fr;
}

.impact-cards article {
  min-height: 190px;
}

.impact-cards .feature-icon {
  padding: 11px;
}

.feature-icon.accent-cyan {
  background: rgba(50, 189, 242, 0.16);
  color: #087da9;
}

.feature-icon.accent-purple {
  background: rgba(122, 92, 255, 0.14);
  color: var(--purple);
}

.feature-icon.accent-green {
  background: rgba(41, 194, 127, 0.14);
  color: #0e8a55;
}

.use-cases {
  display: grid;
  gap: 22px;
  background: var(--cloud);
}

.use-case {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(300px, 1fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
  padding: clamp(26px, 5vw, 54px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.use-case.flipped > div:first-child {
  order: 2;
}

.use-case > div:first-child {
  display: grid;
  gap: 16px;
  justify-items: start;
}

.whatsapp-panel {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 430px;
  overflow: hidden;
  background: #efe7dc;
  border: 1px solid rgba(7, 20, 38, 0.12);
  border-radius: 24px;
  box-shadow: 0 24px 70px rgba(7, 20, 38, 0.16);
}

.whatsapp-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 72px;
  padding: 14px 18px;
  color: var(--white);
  background: #075e54;
}

.whatsapp-topbar img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.48);
}

.whatsapp-topbar strong,
.whatsapp-topbar span {
  display: block;
  line-height: 1.1;
}

.whatsapp-topbar span {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.84rem;
  font-weight: 700;
}

.whatsapp-thread {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 18px;
  background:
    linear-gradient(rgba(239, 231, 220, 0.9), rgba(239, 231, 220, 0.9)),
    radial-gradient(circle at 18px 18px, rgba(7, 94, 84, 0.08) 2px, transparent 3px);
  background-size: auto, 34px 34px;
}

.wa-date {
  justify-self: center;
  padding: 5px 10px;
  color: rgba(7, 20, 38, 0.58);
  background: rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.wa-bubble {
  position: relative;
  display: grid;
  gap: 4px;
  max-width: min(82%, 390px);
  padding: 10px 12px 7px;
  color: #111b21;
  border-radius: 8px;
  box-shadow: 0 2px 3px rgba(7, 20, 38, 0.08);
  animation: wa-pop 520ms ease both;
}

.wa-bubble::after {
  content: "";
  position: absolute;
  top: 0;
  width: 0;
  height: 0;
  border-top: 10px solid currentColor;
}

.wa-bubble p {
  color: inherit;
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.35;
}

.wa-bubble strong {
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 900;
}

.wa-bubble small {
  justify-self: end;
  color: rgba(17, 27, 33, 0.48);
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
}

.wa-bubble:nth-of-type(2) {
  animation-delay: 80ms;
}

.wa-bubble:nth-of-type(3) {
  animation-delay: 160ms;
}

.wa-bubble:nth-of-type(4) {
  animation-delay: 240ms;
}

.wa-bubble:nth-of-type(5) {
  animation-delay: 320ms;
}

@keyframes wa-pop {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .wa-bubble,
  .typing-bubble,
  .typing-bubble span,
  .dynamic-word-piece {
    animation: none;
    opacity: 1;
  }
}

.wa-sent {
  justify-self: end;
  background: #d9fdd3;
  color: #111b21;
  border-top-right-radius: 0;
}

.wa-sent::after {
  right: -8px;
  border-right: 8px solid transparent;
  color: #d9fdd3;
}

.wa-received {
  justify-self: start;
  background: var(--white);
  color: #111b21;
  border-top-left-radius: 0;
}

.wa-received::after {
  left: -8px;
  border-left: 8px solid transparent;
  color: var(--white);
}

.wa-input {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 12px 18px 16px;
  color: rgba(17, 27, 33, 0.52);
  background: #f0f2f5;
  font-size: 0.92rem;
  font-weight: 800;
}

.wa-input::before {
  content: "";
  display: inline-block;
  width: 100%;
  max-width: 420px;
  min-width: 0;
  flex: 1;
  height: 40px;
  background: var(--white);
  border-radius: 999px;
}

.section-band {
  background: var(--cloud);
}

.problem,
.safety {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(280px, 1.1fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
}

.problem p,
.safety p {
  font-size: 1.1rem;
}

.section-heading {
  display: grid;
  gap: 14px;
  max-width: 820px;
  margin-bottom: 34px;
}

.section-heading p:last-child {
  font-size: 1.08rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-card,
.audience,
.price-card,
.steps article {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.feature-card {
  min-height: 250px;
}

.feature-icon {
  display: inline-grid;
  width: 48px;
  height: 48px;
  place-items: center;
  padding: 11px;
  color: var(--navy);
  border-radius: var(--radius);
}

.accent-cyan .feature-icon {
  background: rgba(50, 189, 242, 0.16);
  color: #087da9;
}

.accent-purple .feature-icon {
  background: rgba(122, 92, 255, 0.14);
  color: var(--purple);
}

.accent-yellow .feature-icon {
  background: rgba(255, 209, 102, 0.28);
  color: #9a6700;
}

.accent-green .feature-icon {
  background: rgba(41, 194, 127, 0.14);
  color: #0e8a55;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.steps article {
  position: relative;
  min-height: 220px;
  overflow: hidden;
}

.steps article::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 86px;
  height: 7px;
  background: var(--cyan);
}

.steps article:nth-child(2)::after {
  background: var(--purple);
}

.steps article:nth-child(3)::after {
  background: var(--yellow);
}

.steps article:nth-child(4)::after {
  background: var(--green);
}

.steps span {
  color: var(--cyan);
  font-weight: 900;
}

.subjects {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  background: var(--navy);
}

.subjects h2,
.subjects .eyebrow {
  color: var(--white);
}

.subjects p {
  color: rgba(255, 255, 255, 0.72);
}

.subjects-copy {
  display: grid;
  gap: 18px;
  justify-items: start;
}

.subjects .btn-primary {
  background: var(--white);
  color: #075e54;
  border-color: #25d366;
}

.subject-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.subject-cloud span,
.subject-cloud a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 16px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  font-weight: 800;
}

.subject-cloud span:nth-child(3n + 1),
.subject-cloud a:nth-child(3n + 1) {
  border-color: rgba(50, 189, 242, 0.5);
}

.subject-cloud span:nth-child(3n + 2),
.subject-cloud a:nth-child(3n + 2) {
  border-color: rgba(122, 92, 255, 0.5);
}

.subject-cloud span:nth-child(3n + 3),
.subject-cloud a:nth-child(3n + 3) {
  border-color: rgba(41, 194, 127, 0.5);
}

.audiences {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.skills-lab {
  background: var(--cloud);
}

.teachers {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
  padding: clamp(58px, 8vw, 104px) clamp(18px, 5vw, 76px);
  background: var(--white);
}

.teacher-copy {
  display: grid;
  gap: 16px;
  justify-items: start;
}

.teacher-copy p:last-of-type {
  font-size: 1.08rem;
}

.teacher-tools {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.teacher-tools article {
  display: grid;
  gap: 12px;
  min-height: 220px;
  align-content: start;
  padding: 24px;
  background: var(--cloud);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.teacher-tools span {
  justify-self: start;
  padding: 7px 10px;
  color: var(--navy);
  background: rgba(41, 194, 127, 0.15);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.teacher-tools article:nth-child(2n) span {
  background: rgba(50, 189, 242, 0.16);
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.skill-grid article,
.role-grid article {
  display: grid;
  gap: 12px;
  align-content: start;
  min-height: 230px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.skill-grid span {
  justify-self: start;
  padding: 7px 10px;
  color: var(--navy);
  background: rgba(255, 209, 102, 0.35);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.skill-grid article:nth-child(2n) span {
  background: rgba(50, 189, 242, 0.16);
}

.skill-grid article:nth-child(3n) span {
  background: rgba(122, 92, 255, 0.14);
}

.work-with-us {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
  padding: clamp(58px, 8vw, 104px) clamp(18px, 5vw, 76px);
  background: var(--navy);
}

.work-copy {
  display: grid;
  gap: 16px;
  justify-items: start;
}

.work-copy .eyebrow,
.work-copy h2 {
  color: var(--white);
}

.work-copy p {
  color: rgba(255, 255, 255, 0.74);
  font-size: 1.08rem;
}

.work-copy .btn-primary {
  color: var(--white);
  background: var(--navy);
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.role-grid article {
  min-height: 180px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
}

.role-grid h3 {
  color: var(--white);
}

.role-grid p {
  color: rgba(255, 255, 255, 0.72);
}

.audience-heading {
  grid-column: 1 / -1;
}

.audience {
  min-height: 330px;
}

.audience a {
  align-self: end;
  justify-self: start;
  margin-top: auto;
  color: var(--navy);
  font-weight: 900;
}

.students {
  background: #eaf7fe;
}

.parents {
  background: #f0edff;
}

.schools {
  background: #ecfbf4;
}

.benefits {
  display: grid;
  gap: 9px;
  padding: 0;
  margin: 4px 0 0;
  list-style: none;
}

.benefits li {
  position: relative;
  padding-left: 28px;
  color: var(--navy);
  font-weight: 800;
}

.benefits li::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  width: 15px;
  height: 15px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: inset 0 0 0 4px rgba(255, 255, 255, 0.72);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.price-card {
  min-height: 280px;
}

.price-card.featured {
  color: var(--white);
  background: var(--navy);
}

.price-card.featured p {
  color: rgba(255, 255, 255, 0.74);
}

.price-card.featured a {
  color: var(--navy);
  background: var(--yellow);
}

.pill {
  justify-self: start;
  padding: 6px 10px;
  color: var(--navy);
  background: var(--yellow);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.price-card a {
  align-self: end;
  justify-self: start;
  margin-top: auto;
}

.faq-list {
  display: grid;
  gap: 10px;
  max-width: 920px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.contact-copy {
  display: grid;
  gap: 16px;
}

.contact-copy p {
  font-size: 1.08rem;
}

.contact-copy a {
  justify-self: start;
  color: var(--navy);
  font-weight: 900;
  border-bottom: 2px solid var(--cyan);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 48px rgba(7, 20, 38, 0.08);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 900;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  color: var(--navy);
  background: var(--cloud);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: inherit;
  font-weight: 700;
}

.contact-form textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(50, 189, 242, 0.22);
  border-color: var(--cyan);
}

.contact-form button {
  justify-self: start;
  border: 0;
  cursor: pointer;
}

details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

summary {
  cursor: pointer;
  padding: 18px 20px;
  color: var(--navy);
  font-weight: 900;
}

details p {
  padding: 0 20px 20px;
}

.final-cta {
  display: grid;
  justify-items: center;
  gap: 18px;
  text-align: center;
  background: linear-gradient(180deg, var(--white), rgba(159, 201, 243, 0.48));
}

.final-cta img {
  width: 86px;
  height: 86px;
  border-radius: 24px;
}

.final-cta p {
  max-width: 620px;
  font-size: 1.12rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  padding-top: 28px;
  padding-bottom: 28px;
  background: var(--navy);
}

.footer-brand {
  display: grid;
  gap: 10px;
  max-width: 360px;
}

.site-footer img {
  width: 124px;
  border-radius: 999px;
}

.site-footer p,
.site-footer a {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 700;
}

.site-footer div,
.footer-links {
  display: flex;
  gap: 18px;
}

.footer-brand,
.footer-links {
  flex-direction: column;
}

.footer-socials {
  display: flex !important;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 10px !important;
}

.footer-socials a {
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
}

.footer-support {
  min-width: 130px;
}

.center-cta {
  justify-self: center;
  margin-top: 30px;
}

@media (max-width: 1080px) {
  h1 {
    max-width: 760px;
    font-size: clamp(2.8rem, 7.2vw, 4.6rem);
  }

  .site-header {
    grid-template-columns: auto 1fr auto auto;
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-header.nav-active .site-nav {
    position: fixed;
    inset: 82px 14px auto 14px;
    display: grid;
    gap: 4px;
    padding: 16px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .site-header.nav-active .site-nav a {
    padding: 13px 14px;
  }

  .site-header.nav-active .site-nav .mobile-menu-only {
    display: block;
  }

  .hero,
  .subjects,
  .impact,
  .use-case,
  .work-with-us,
  .teachers,
  .contact {
    grid-template-columns: 1fr;
  }

  .impact-copy {
    position: static;
  }

  .use-case.flipped > div:first-child {
    order: 0;
  }

  .phone-scene {
    min-height: 0;
    display: grid;
    justify-items: center;
    padding-top: 12px;
  }

  .phone {
    position: relative;
    inset: auto;
    left: auto;
    right: auto;
    transform: none;
  }

  .feature-grid,
  .steps,
  .audiences,
  .pricing-grid,
  .review-grid,
  .skill-grid,
  .teacher-tools {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .featured-strip div {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .audience {
    min-height: auto;
  }
}

@media (max-width: 720px) {
  h1 {
    max-width: 100%;
    font-size: clamp(2.12rem, 8.2vw, 2.7rem);
  }

  .site-header {
    min-height: 72px;
    padding: 12px 16px;
  }

  .brand {
    width: 132px;
  }

  .language-toggle {
    min-width: 64px;
    min-height: 44px;
    padding: 10px 12px;
  }

  .site-header.nav-active .site-nav {
    top: 72px;
  }

  .hero {
    min-height: auto;
    padding-top: 34px;
    padding-bottom: 56px;
    gap: 28px;
  }

  .hero-actions,
  .hero-actions .btn {
    width: 100%;
  }

  .hero-actions .btn {
    min-height: 52px;
  }

  .trust-row span {
    width: 100%;
  }

  .phone-scene {
    min-height: 0;
    padding-top: 0;
    margin-bottom: 10px;
  }

  .phone {
    width: min(308px, 88vw);
    min-height: 0;
    border-width: 8px;
    border-radius: 36px;
  }

  .phone::before {
    width: 82px;
    height: 18px;
  }

  .phone-status {
    padding: 5px 16px 4px;
  }

  .phone-screen {
    min-height: 458px;
    border-radius: 28px;
  }

  .hero-whatsapp-topbar {
    min-height: 62px;
    gap: 9px;
    padding: 11px 12px;
  }

  .hero-whatsapp-topbar img {
    width: 38px;
    height: 38px;
  }

  .hero-whatsapp-topbar div span {
    font-size: 0.76rem;
  }

  .hero-whatsapp-thread {
    gap: 8px;
    min-height: 300px;
    padding: 12px 10px;
  }

  .hero-message {
    max-width: 90%;
  }

  .hero .wa-date {
    padding: 4px 9px;
    font-size: 0.66rem;
  }

  .hero .wa-bubble {
    gap: 3px;
    padding: 8px 10px 6px;
  }

  .hero .wa-bubble p {
    font-size: 0.8rem;
    line-height: 1.28;
  }

  .hero .wa-bubble small {
    font-size: 0.62rem;
  }

  .typing-bubble {
    width: 48px;
    padding: 9px 11px;
  }

  .hero-wa-input {
    min-height: 50px;
    padding: 8px 10px 11px;
  }

  .hero-wa-input::before {
    height: 34px;
  }

  .floating-note {
    display: none;
  }

  .problem,
  .safety,
  .feature-grid,
  .steps,
  .audiences,
  .pricing-grid,
  .review-grid,
  .skill-grid,
  .role-grid,
  .teacher-tools {
    grid-template-columns: 1fr;
  }

  .metrics-row,
  .metrics-row div {
    width: 100%;
  }

  .metrics-row {
    display: none;
  }

  .featured-strip div {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .steps article,
  .price-card {
    min-height: auto;
  }

  .subject-cloud span,
  .subject-cloud a {
    flex: 1 1 140px;
  }

  .use-case {
    padding: 18px;
  }

  .whatsapp-panel {
    min-height: 390px;
    border-radius: 18px;
  }

  .whatsapp-thread {
    padding: 14px;
  }

  .wa-bubble {
    max-width: 86%;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer div,
  .footer-links {
    flex-wrap: wrap;
  }
}

/* ================================================================
   PREMIUM UPGRADE LAYER
   ================================================================ */

/* -- Design tokens -- */
:root {
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.25, 0.1, 0, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --shadow-card: 0 1px 3px rgba(7,20,38,.04), 0 4px 16px rgba(7,20,38,.07), 0 8px 32px rgba(7,20,38,.05);
  --shadow-card-hover: 0 4px 8px rgba(7,20,38,.06), 0 16px 48px rgba(7,20,38,.13), 0 32px 64px rgba(7,20,38,.07);
  --shadow-phone: 0 0 0 1px rgba(7,20,38,.1), 0 24px 60px rgba(7,20,38,.3), 0 48px 100px rgba(7,20,38,.14), inset 0 1px 0 rgba(255,255,255,.06);
}

/* -- Custom scrollbar -- */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--sky); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan); }

/* -- Eyebrow badge treatment -- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  background: rgba(50, 189, 242, 0.1);
  border: 1px solid rgba(50, 189, 242, 0.22);
  border-radius: 999px;
  color: #087da9;
  letter-spacing: 0.07em;
  font-size: 0.72rem;
}

.subjects .eyebrow,
.work-copy .eyebrow,
.teacher-copy .eyebrow {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.82);
}

.students .eyebrow { background: rgba(50,189,242,.12); border-color: rgba(50,189,242,.28); color: #087da9; }
.parents .eyebrow  { background: rgba(122,92,255,.12); border-color: rgba(122,92,255,.28); color: var(--purple); }
.schools .eyebrow  { background: rgba(41,194,127,.12); border-color: rgba(41,194,127,.28); color: #0e8a55; }

/* -- Typography tightening -- */
h1 { letter-spacing: -0.03em; }
h2 { letter-spacing: -0.025em; }
h3 { letter-spacing: -0.015em; }

/* -- Header: scrolled state -- */
.site-header {
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.site-header.is-scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 1px 0 rgba(7,20,38,.08), 0 8px 40px rgba(7,20,38,.09);
}

/* -- Hero: animated mesh background -- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(159,201,243,0.68) 0%, rgba(244,248,252,0.95) 55%, #fff 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 5% 45%, rgba(159,201,243,0.6) 0%, transparent 65%),
    radial-gradient(ellipse 40% 50% at 88% 12%, rgba(122,92,255,0.08) 0%, transparent 55%),
    radial-gradient(ellipse 30% 35% at 60% 90%, rgba(41,194,127,0.07) 0%, transparent 50%);
  animation: hero-blob 14s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 0;
}

.hero-copy,
.phone-scene {
  position: relative;
  z-index: 1;
}

@keyframes hero-blob {
  from { transform: scale(1) translate(0, 0); }
  to   { transform: scale(1.07) translate(-2%, 2%); }
}

/* Dynamic headline word: vivid accent color (gradient-clip doesn't work on inline-grid with child spans) */
.dynamic-word-frame {
  color: var(--purple);
}

/* -- Floating notes: glassy + animated -- */
.floating-note {
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid rgba(255,255,255,0.95);
  box-shadow: 0 16px 48px rgba(7,20,38,.14), 0 4px 12px rgba(7,20,38,.08), inset 0 1px 0 rgba(255,255,255,1);
  animation: note-float 5s ease-in-out infinite;
}

.note-two {
  animation-delay: -2.5s;
  animation-duration: 6.5s;
}

@keyframes note-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

/* -- Phone: enhanced shadow -- */
.phone {
  box-shadow: var(--shadow-phone);
}

/* -- Hero stats: glassy pills -- */
.hero-stats span {
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.92);
  box-shadow: 0 2px 8px rgba(7,20,38,.06);
}

/* -- Metrics row: glassy + hover -- */
.metrics-row div {
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.94);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.9);
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s ease;
}

.metrics-row div:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

/* -- Buttons: shine sweep + glow -- */
.header-cta,
.btn-primary,
.price-card a {
  position: relative;
  overflow: hidden;
}

.header-cta::after,
.btn-primary::after,
.price-card a::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 38%,
    rgba(255,255,255,0.2) 50%,
    transparent 62%
  );
  background-size: 240% 100%;
  background-position: -100% 0;
  border-radius: inherit;
  pointer-events: none;
  transition: background-position 0.6s ease;
}

.header-cta:hover::after,
.btn-primary:hover::after,
.price-card a:hover::after {
  background-position: 140% 0;
}

.header-cta:hover,
.btn-primary:hover {
  box-shadow: 0 20px 0 rgba(7,94,84,.16), 0 0 32px rgba(37,211,102,.22), 0 24px 50px rgba(7,20,38,.2);
}

/* -- Proof strip: subtle gradient & radials -- */
.proof-strip {
  background: linear-gradient(135deg, #071426 0%, #0d2040 100%);
  position: relative;
  overflow: hidden;
}

.proof-strip::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 100% at 0% 50%, rgba(50,189,242,.06) 0%, transparent 60%),
    radial-gradient(ellipse 35% 80% at 100% 50%, rgba(122,92,255,.05) 0%, transparent 55%);
  pointer-events: none;
}

.proof-strip > * { position: relative; z-index: 1; }

.proof-strip span {
  transition: background 0.2s ease, border-color 0.2s ease;
}

.proof-strip span:hover {
  background: rgba(255,255,255,.14);
  border-color: rgba(255,255,255,.3);
}

/* -- Featured strip cities: hover -- */
.featured-strip span {
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(7,20,38,.06);
  border-color: rgba(7,20,38,.07);
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s ease;
}

.featured-strip span:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(7,20,38,.1);
}

/* -- Review cards: rounded, lifted, accent bar, quote mark -- */
.review-grid article {
  border-radius: 20px;
  border: 1px solid rgba(7,20,38,.06);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.review-grid article::before {
  content: "\201C";
  position: absolute;
  top: -10px;
  right: 20px;
  font-size: 5rem;
  line-height: 1;
  font-weight: 900;
  opacity: 0.05;
  color: var(--navy);
  font-family: "Poppins", sans-serif;
  pointer-events: none;
}

.review-grid article:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.review-grid article:nth-child(1) { border-top: 3px solid var(--cyan); }
.review-grid article:nth-child(2) { border-top: 3px solid var(--purple); }
.review-grid article:nth-child(3) { border-top: 3px solid var(--green); }

/* -- Impact feature cards: rounded + hover -- */
.impact-cards article {
  border-radius: 20px;
  border: 1px solid rgba(7,20,38,.06);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
}

.impact-cards article:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.feature-icon {
  border-radius: 14px;
  width: 52px;
  height: 52px;
}

/* -- Use cases: rounder, subtle hover -- */
.use-case {
  border-radius: 26px;
  border: 1px solid rgba(7,20,38,.06);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.use-case:hover {
  box-shadow: var(--shadow-card-hover);
}

.whatsapp-panel {
  border-radius: 28px;
  box-shadow: 0 32px 80px rgba(7,20,38,.18), 0 8px 24px rgba(7,20,38,.09);
  border: 1px solid rgba(7,20,38,.08);
}

/* -- Subjects: gradient bg + radials -- */
.subjects {
  background: linear-gradient(135deg, #071426 0%, #0d2040 80%);
  position: relative;
  overflow: hidden;
}

.subjects::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 40% 60% at 5% 50%, rgba(50,189,242,.07) 0%, transparent 55%),
    radial-gradient(ellipse 35% 50% at 95% 30%, rgba(122,92,255,.07) 0%, transparent 50%);
  pointer-events: none;
}

.subjects > * { position: relative; z-index: 1; }

.subject-cloud a {
  border-radius: 14px;
  transition: transform 0.2s var(--ease-spring), background 0.2s ease, box-shadow 0.2s ease;
}

.subject-cloud a:hover {
  transform: translateY(-3px) scale(1.04);
  background: rgba(255,255,255,.14);
  box-shadow: 0 8px 24px rgba(7,20,38,.25);
}

/* -- Steps: rounded + hover + gradient numbers -- */
.steps article {
  border-radius: 20px;
  border: 1px solid rgba(7,20,38,.07);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
}

.steps article:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.steps span {
  font-family: "Poppins", "Inter", sans-serif;
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* -- Audience cards: gradient backgrounds + hover -- */
.audience {
  border-radius: 24px;
  border: 1px solid rgba(7,20,38,.06);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
}

.audience:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.students { background: linear-gradient(145deg, #eaf7fe, #d3edf9); }
.parents  { background: linear-gradient(145deg, #f0edff, #e2dbff); }
.schools  { background: linear-gradient(145deg, #ecfbf4, #d5f4e5); }

/* -- Teacher tools: white cards with hover -- */
.teacher-tools article {
  border-radius: 18px;
  border: 1px solid rgba(7,20,38,.07);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
  background: var(--white);
}

.teacher-tools article:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

/* -- Skills grid: rounded + hover -- */
.skill-grid article {
  border-radius: 20px;
  border: 1px solid rgba(7,20,38,.07);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
}

.skill-grid article:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

/* -- Work with us: gradient bg + radials -- */
.work-with-us {
  background: linear-gradient(135deg, #071426 0%, #0d2040 100%);
  position: relative;
  overflow: hidden;
}

.work-with-us::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 35% 50% at 5% 50%, rgba(50,189,242,.06) 0%, transparent 55%),
    radial-gradient(ellipse 30% 40% at 95% 20%, rgba(122,92,255,.06) 0%, transparent 50%);
  pointer-events: none;
}

.work-with-us > * { position: relative; z-index: 1; }

.role-grid article {
  border-radius: 18px;
  transition: transform 0.3s var(--ease-spring), background 0.2s ease;
}

.role-grid article:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,.12);
}

/* -- FAQ: rounded, custom +/× toggle, slide-in answer -- */
details {
  border-radius: 18px;
  border: 1px solid rgba(7,20,38,.08);
  box-shadow: 0 2px 8px rgba(7,20,38,.04);
  overflow: hidden;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

details[open] {
  box-shadow: 0 8px 32px rgba(7,20,38,.09);
  border-color: rgba(50,189,242,.28);
}

summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 26px;
  font-size: 1.02rem;
  font-weight: 900;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s ease;
}

summary::-webkit-details-marker { display: none; }
summary::marker { display: none; }

summary::after {
  content: "+";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 1.35rem;
  font-weight: 300;
  line-height: 1;
  color: var(--white);
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border-radius: 50%;
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.35s var(--ease-smooth);
}

details[open] summary::after {
  transform: rotate(45deg);
}

summary:hover { background: rgba(244,248,252,0.8); }

details p {
  padding: 0 26px 24px;
  animation: faq-open 0.3s var(--ease-out);
}

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

/* -- Contact form: polished -- */
.contact-form {
  border-radius: 24px;
  border: 1px solid rgba(7,20,38,.08);
  box-shadow: 0 24px 64px rgba(7,20,38,.11), 0 4px 16px rgba(7,20,38,.06);
  padding: 36px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  border-radius: 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  background: #fff;
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(50,189,242,.12);
}

/* -- Final CTA: gradient + glow + icon pulse -- */
.final-cta {
  background: linear-gradient(180deg, var(--white) 0%, rgba(159,201,243,.22) 50%, rgba(122,92,255,.06) 100%);
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: "";
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(50,189,242,.08) 0%, transparent 70%);
  pointer-events: none;
}

.final-cta > * { position: relative; z-index: 1; }

.final-cta img {
  box-shadow:
    0 24px 60px rgba(7,20,38,.16),
    0 0 0 6px rgba(255,255,255,.9),
    0 0 0 14px rgba(50,189,242,.12);
  animation: icon-pulse 4s ease-in-out infinite;
}

@keyframes icon-pulse {
  0%, 100% { box-shadow: 0 24px 60px rgba(7,20,38,.16), 0 0 0 6px rgba(255,255,255,.9), 0 0 0 14px rgba(50,189,242,.12); }
  50%       { box-shadow: 0 28px 70px rgba(7,20,38,.2),  0 0 0 6px rgba(255,255,255,.9), 0 0 0 22px rgba(50,189,242,.05); }
}

/* -- Footer: richer gradient -- */
.site-footer {
  background: linear-gradient(135deg, #060f1e 0%, #071426 100%);
  border-top: 1px solid rgba(255,255,255,.06);
}

/* -- Section heading: a touch more breathing room -- */
.section-heading {
  margin-bottom: 52px;
}

/* -- Scroll reveal animations -- */
@media (prefers-reduced-motion: no-preference) {
  .reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
  }

  .reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-on-scroll[data-delay="1"] { transition-delay: 75ms; }
  .reveal-on-scroll[data-delay="2"] { transition-delay: 150ms; }
  .reveal-on-scroll[data-delay="3"] { transition-delay: 225ms; }
  .reveal-on-scroll[data-delay="4"] { transition-delay: 300ms; }
  .reveal-on-scroll[data-delay="5"] { transition-delay: 375ms; }
  .reveal-on-scroll[data-delay="6"] { transition-delay: 450ms; }
}

/* ================================================================
   LUMA LEARN AESTHETIC — clean white + forest green
   ================================================================ */

/* Forest green palette tokens */
:root {
  --forest:        #166534;
  --forest-mid:    #16a34a;
  --forest-light:  #22c55e;
  --forest-bg:     #f0fdf4;
  --forest-subtle: rgba(22, 101, 52, 0.07);
  --forest-border: rgba(22, 101, 52, 0.18);
}

/* ---- Hero: clean white, no gradient blobs ---- */
.hero {
  background: #ffffff;
  border-bottom: 1px solid rgba(0, 0, 0, .04);
}

/* Kill the animated blob overlay */
.hero::before { display: none; }

/* Subtle green warmth on the left half only */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 0% 50%, rgba(22, 101, 52, .04) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* ---- Eyebrow badges: forest green ---- */
.eyebrow {
  background: var(--forest-subtle);
  border-color: var(--forest-border);
  color: var(--forest);
}

/* Dark-section eyebrows stay light */
.subjects .eyebrow,
.work-copy .eyebrow,
.teacher-copy .eyebrow {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .2);
  color: rgba(255, 255, 255, .85);
}

.students .eyebrow { background: var(--forest-subtle); border-color: var(--forest-border); color: var(--forest); }
.parents .eyebrow  { background: rgba(122, 92, 255, .1); border-color: rgba(122, 92, 255, .22); color: var(--purple); }
.schools .eyebrow  { background: var(--forest-subtle); border-color: var(--forest-border); color: var(--forest); }

/* ---- Dynamic headline word: forest green ---- */
.dynamic-word-frame { color: var(--forest); }

/* ---- Hero stats: mint-tinted glass pills ---- */
.hero-stats span {
  background: rgba(240, 253, 244, .85);
  border-color: rgba(22, 101, 52, .15);
}

/* ---- Metrics cards: forest-tinted glass ---- */
.metrics-row div {
  background: rgba(240, 253, 244, .75);
  border-color: rgba(22, 101, 52, .14);
}

.metrics-row strong { color: var(--forest); }

/* ---- Primary buttons: forest green ---- */
.header-cta,
.btn-primary,
.price-card a {
  background: linear-gradient(135deg, var(--forest-mid) 0%, var(--forest) 100%);
  border-color: var(--forest);
  box-shadow: 0 16px 0 rgba(22, 101, 52, .22), 0 18px 42px rgba(7, 20, 38, .12);
}

.header-cta:hover,
.btn-primary:hover,
.price-card a:hover {
  box-shadow: 0 20px 0 rgba(22, 101, 52, .18), 0 0 36px rgba(34, 197, 94, .2), 0 24px 50px rgba(7, 20, 38, .15);
}

/* ---- Floating notes: forest accents ---- */
.note-one { border-left-color: var(--forest-mid); }
.note-two { border-left-color: var(--forest); }

/* ---- Proof strip: richer dark + subtle green radial ---- */
.proof-strip::before {
  background:
    radial-gradient(ellipse 50% 100% at 0% 50%, rgba(34, 197, 94, .06) 0%, transparent 60%),
    radial-gradient(ellipse 35% 80% at 100% 50%, rgba(22, 101, 52, .07) 0%, transparent 55%);
}

/* ---- Section backgrounds: warm off-white instead of blue cloud ---- */
.section-band,
.use-cases,
.skills-lab {
  background: #fafafa;
}

.reviews { background: #ffffff; }

/* ---- Review card top-border accents ---- */
.review-grid article:nth-child(1) { border-top-color: var(--forest-light); }
.review-grid article:nth-child(2) { border-top-color: var(--forest-mid); }
.review-grid article:nth-child(3) { border-top-color: var(--forest); }

/* ---- Feature icon: cyan accent → forest green ---- */
.feature-icon.accent-cyan {
  background: var(--forest-subtle);
  color: var(--forest-mid);
}

/* ---- Step bottom bars ---- */
.steps article:nth-child(1)::after { background: var(--forest-light); }
.steps article:nth-child(2)::after { background: var(--forest-mid); }
.steps article:nth-child(3)::after { background: var(--forest); }

/* ---- Step numbers: forest gradient ---- */
.steps span {
  background: linear-gradient(135deg, var(--forest-light) 0%, var(--forest) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---- Subject cloud: forest border tints ---- */
.subject-cloud a:nth-child(3n+1) { border-color: rgba(34, 197, 94, .45); }
.subject-cloud a:nth-child(3n+2) { border-color: rgba(22, 101, 52, .35); }
.subject-cloud a:nth-child(3n+3) { border-color: rgba(16, 163, 74, .4); }

/* ---- Subjects section: darker green gradient (not pure navy) ---- */
.subjects {
  background: linear-gradient(135deg, #052e16 0%, #14532d 80%);
}

.subjects::before {
  background:
    radial-gradient(ellipse 40% 60% at 5% 50%, rgba(34, 197, 94, .1) 0%, transparent 55%),
    radial-gradient(ellipse 35% 50% at 95% 30%, rgba(22, 101, 52, .1) 0%, transparent 50%);
}

/* ---- Work-with-us: dark green instead of pure navy ---- */
.work-with-us {
  background: linear-gradient(135deg, #052e16 0%, #14532d 100%);
}

.work-with-us::before {
  background:
    radial-gradient(ellipse 35% 50% at 5% 50%, rgba(34, 197, 94, .08) 0%, transparent 55%),
    radial-gradient(ellipse 30% 40% at 95% 20%, rgba(22, 101, 52, .08) 0%, transparent 50%);
}

/* ---- FAQ: forest green toggle button ---- */
summary::after {
  background: linear-gradient(135deg, var(--forest-light), var(--forest));
}

details[open] { border-color: var(--forest-border); }

/* ---- Contact form focus: forest green ---- */
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--forest-mid);
  box-shadow: 0 0 0 4px rgba(22, 101, 52, .1);
}

/* ---- Contact "mailto" link underline ---- */
.contact-copy a { border-bottom-color: var(--forest-mid); }

/* ---- Final CTA: mint gradient ---- */
.final-cta {
  background: linear-gradient(180deg, #fff 0%, rgba(240, 253, 244, .6) 50%, rgba(22, 101, 52, .05) 100%);
}

.final-cta::before {
  background: radial-gradient(circle, rgba(22, 101, 52, .06) 0%, transparent 70%);
}

/* ---- Scrollbar: forest green ---- */
::-webkit-scrollbar-thumb          { background: linear-gradient(180deg, var(--forest-light), var(--forest)); }
::-webkit-scrollbar-thumb:hover    { background: var(--forest-mid); }

/* ---- Impact section bg ---- */
.impact { background: #fff; }

/* ---- Compact CTA buttons ---- */
/* With box-sizing:border-box + 2px border: height = border(4) + padding×2 + icon
   btn: 4 + 10 + 26 + 10 = 50px  ✓
   header-cta: 4 + 6 + 22 + 6 = 38px  ✓  */

.btn {
  min-height: 50px;
  padding: 10px 22px;
}

/* Shrink the WA icon badge in hero buttons */
.btn[href*="wa.me"]::before {
  width: 26px;
  height: 26px;
  background-size: 16px 16px;
  box-shadow: 0 0 0 3px var(--white), 0 2px 6px rgba(7, 20, 38, 0.16);
}

/* Header "Get Started" — re-pin icon to 22px (wins over earlier general rule) */
.header-cta[href*="wa.me"]::before {
  width: 22px;
  height: 22px;
  background-size: 14px 14px;
}

.header-cta {
  min-height: 38px;
  padding: 6px 14px;
  font-size: 0.88rem;
}

/* EN/SO pill — match header-cta height */
.language-toggle {
  min-height: 38px;
  padding: 6px 14px;
}

@media (max-width: 720px) {
  .hero-actions .btn {
    min-height: 46px;
  }
}