/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --blue-500: #3B82F6;
  --blue-600: #2563EB;
  --blue-700: #1D4ED8;
  --blue-400: #60A5FA;
  --blue-glow: rgba(59, 130, 246, 0.15);
  --blue-border: rgba(59, 130, 246, 0.25);

  --black: #000000;
  --bg: #080810;
  --bg-card: #0d0d1a;
  --bg-card-hover: #111126;
  --surface: #12121f;

  --white: #ffffff;
  --gray-100: #f1f5f9;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-700: #334155;

  --font: 'Inter', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.2s ease;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* ===== UTILITIES ===== */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-400);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 20px;
}

.section-desc {
  font-size: 17px;
  color: var(--gray-400);
  max-width: 600px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.highlight {
  color: var(--blue-400);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: var(--blue-600);
  color: var(--white);
  box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
}

.btn--primary:hover {
  background: var(--blue-700);
  box-shadow: 0 0 24px rgba(59, 130, 246, 0.4);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--gray-300);
  border: 1px solid var(--gray-700);
}

.btn--ghost:hover {
  border-color: var(--blue-500);
  color: var(--white);
}

.btn--sm  { padding: 10px 20px; font-size: 14px; }
.btn--lg  { padding: 16px 32px; font-size: 16px; }
.btn--full { width: 100%; }

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0;
  transition: background var(--transition), backdrop-filter var(--transition);
}

.header.scrolled {
  background: rgba(8, 8, 16, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--blue-border);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}

.logo { flex-shrink: 0; }

.logo__text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--white);
}

.logo__dot { color: var(--blue-400); }

.logo__img {
  height: 38px;
  width: auto;
  display: block;
}

.logo__img--footer {
  height: 32px;
  margin-bottom: 4px;
}

.nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}

.nav__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-400);
  transition: color var(--transition);
}

.nav__link:hover { color: var(--white); }

.header__inner .btn--primary { margin-left: 8px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.25s;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to bottom, transparent 60%, var(--bg) 100%),
    repeating-linear-gradient(0deg, transparent, transparent 60px, rgba(59,130,246,0.04) 60px, rgba(59,130,246,0.04) 61px),
    repeating-linear-gradient(90deg, transparent, transparent 60px, rgba(59,130,246,0.04) 60px, rgba(59,130,246,0.04) 61px);
  pointer-events: none;
}

.hero__bg-grid::after {
  content: '';
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-400);
  border: 1px solid var(--blue-border);
  background: var(--blue-glow);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero__title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 820px;
}

.hero__subtitle {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--gray-400);
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 56px;
}

.hero__metrics {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 24px 40px;
  background: var(--bg-card);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius-lg);
}

.metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.metric__value {
  font-size: 28px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}

.metric__label {
  font-size: 12px;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.metric__divider {
  width: 1px;
  height: 40px;
  background: var(--blue-border);
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.hero__scroll-hint span {
  display: block;
  width: 20px;
  height: 32px;
  border: 2px solid var(--gray-700);
  border-radius: 10px;
  position: relative;
}

.hero__scroll-hint span::after {
  content: '';
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 6px;
  background: var(--blue-400);
  border-radius: 2px;
  animation: scrollHint 1.5s ease infinite;
}

@keyframes scrollHint {
  0% { opacity: 1; top: 5px; }
  100% { opacity: 0; top: 18px; }
}

/* ===== CLIENTS CAROUSEL ===== */
.clients {
  padding: 72px 0;
  background: var(--bg);
  overflow: hidden;
}

.clients__header {
  margin-bottom: 48px;
  text-align: center;
}

.clients__header .section-label {
  display: flex;
  justify-content: center;
}

.clients__title {
  margin-bottom: 0;
}

.carousel {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
}

.carousel__track {
  display: flex;
  gap: 20px;
  width: max-content;
  animation: marquee 38s linear infinite;
}

.carousel:hover .carousel__track {
  animation-play-state: paused;
}

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

.client-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 20px 28px;
  min-width: 170px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
  flex-shrink: 0;
}

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

.client-card img {
  height: 76px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
  mix-blend-mode: screen;
}

.client-card span {
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-400);
  text-align: center;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* ===== STATS BAR ===== */
.stats-bar {
  background: var(--surface);
  border-top: 1px solid var(--blue-border);
  border-bottom: 1px solid var(--blue-border);
  padding: 32px 0;
}

.stats-bar__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  padding: 16px;
  border-right: 1px solid var(--blue-border);
}

.stat-item:last-child { border-right: none; }

.stat-item strong {
  font-size: 28px;
  font-weight: 800;
  color: var(--blue-400);
  letter-spacing: -0.02em;
}

.stat-item span {
  font-size: 13px;
  color: var(--gray-400);
}

/* ===== PROBLEM ===== */
.problem {
  background: var(--bg);
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.problem__card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
}

.problem__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.problem__card p {
  font-size: 15px;
  color: var(--gray-300);
  line-height: 1.6;
}

/* ===== SOLUTION / BENEFITS ===== */
.solution { background: var(--surface); }

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 0;
}

.benefit-card {
  padding: 32px 28px;
  background: var(--bg-card);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.benefit-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--blue-500);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(59, 130, 246, 0.12);
}

.benefit-card__icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.benefit-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--white);
}

.benefit-card p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ===== DEMO CHAT ===== */
.demo { background: var(--bg); }

.demo__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.demo__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 32px;
}

.demo__features li {
  font-size: 15px;
  color: var(--gray-300);
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.5;
}

.demo__check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.12);
  color: #25D366;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- Phone frame ---- */
.demo__phone-wrap {
  display: flex;
  justify-content: center;
}

.phone {
  width: 288px;
  background: #1C1C1E;
  border-radius: 48px;
  padding: 14px;
  position: relative;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.10),
    inset 0 0 0 1px rgba(255,255,255,0.04),
    0 32px 80px rgba(0,0,0,0.7),
    0 0 60px rgba(37, 211, 102, 0.06);
}

.phone__btn {
  position: absolute;
  background: #2C2C2E;
  border-radius: 3px;
}
.phone__btn--power {
  right: -3px;
  top: 100px;
  width: 3px;
  height: 60px;
}
.phone__btn--vol-up {
  left: -3px;
  top: 90px;
  width: 3px;
  height: 36px;
}
.phone__btn--vol-down {
  left: -3px;
  top: 136px;
  width: 3px;
  height: 36px;
}

.phone__screen {
  border-radius: 36px;
  overflow: hidden;
  background: #0B141A;
  display: flex;
  flex-direction: column;
  height: 580px;
}

/* ---- Status bar ---- */
.wa-statusbar {
  background: #1F2C34;
  padding: 8px 18px 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.wa-clock {
  font-size: 12px;
  font-weight: 600;
  color: #E9EDEF;
  letter-spacing: 0.02em;
}

.wa-statusbar__icons {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ---- WA Header ---- */
.wa-header {
  background: #202C33;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.wa-header__left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.wa-back { cursor: pointer; flex-shrink: 0; }

.wa-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366, #128C7E);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
  letter-spacing: 0.03em;
}

.wa-header__info {
  flex: 1;
  min-width: 0;
}

.wa-header__info strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #E9EDEF;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wa-lastseen {
  font-size: 11px;
  color: #8696A0;
}

.wa-header__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

/* ---- Chat body ---- */
.wa-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 10px 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  background-color: #0B141A;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 20px 20px;
}

.wa-body::-webkit-scrollbar { display: none; }

.wa-date-chip {
  align-self: center;
  background: rgba(17, 27, 33, 0.85);
  border: 1px solid rgba(255,255,255,0.06);
  color: #8696A0;
  font-size: 10.5px;
  padding: 4px 12px;
  border-radius: 8px;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

/* ---- Bubbles ---- */
.wa-bubble {
  max-width: 82%;
  padding: 7px 10px 5px;
  border-radius: 8px;
  position: relative;
  word-break: break-word;
}

.wa-bubble p {
  font-size: 13px;
  color: #E9EDEF;
  line-height: 1.45;
  margin: 0 0 4px;
}

.wa-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 3px;
}

.wa-time {
  font-size: 10px;
  color: #8696A0;
}

.wa-ticks { flex-shrink: 0; }

.wa-bubble--out {
  background: #005C4B;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

.wa-bubble--in {
  background: #202C33;
  align-self: flex-start;
  border-bottom-left-radius: 2px;
  margin-top: 2px;
}

.wa-bubble--out + .wa-bubble--out { margin-top: 2px; }
.wa-bubble--in + .wa-bubble--in { margin-top: 2px; }

/* ---- Typing indicator ---- */
.wa-typing {
  background: #202C33;
  align-self: flex-start;
  border-radius: 8px;
  border-bottom-left-radius: 2px;
  padding: 10px 14px;
  display: flex;
  gap: 4px;
  align-items: center;
  margin-top: 4px;
}

.wa-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #8696A0;
  animation: typing-dot 1.4s ease infinite;
}
.wa-typing span:nth-child(2) { animation-delay: 0.2s; }
.wa-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-dot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* ---- Compose bar ---- */
.wa-compose {
  background: #202C33;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.wa-compose__field {
  flex: 1;
  background: #2A3942;
  border-radius: 20px;
  padding: 9px 16px;
  font-size: 13px;
  color: #8696A0;
}

.wa-compose__right {
  display: flex;
  align-items: center;
}

/* ===== HOW IT WORKS ===== */
.how-it-works { background: var(--bg); }

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 48px;
  max-width: 720px;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.step__number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue-glow);
  border: 1px solid var(--blue-border);
  color: var(--blue-400);
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.05em;
}

.step__content {
  padding-bottom: 40px;
}

.step__content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step__content p {
  font-size: 15px;
  color: var(--gray-400);
  line-height: 1.7;
}

.step__connector {
  width: 1px;
  height: 0;
  border-left: 2px dashed var(--blue-border);
  margin-left: 23px;
  margin-top: 0;
  height: 32px;
}

/* ===== RESOURCES ===== */
.resources { background: var(--surface); }

.resources__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.resource-card {
  position: relative;
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  transition: all var(--transition);
  overflow: hidden;
}

.resource-card:hover {
  border-color: var(--blue-border);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.resource-card__num {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-border);
  letter-spacing: 0.05em;
}

.resource-card__icon {
  font-size: 24px;
  margin-bottom: 12px;
}

.resource-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--white);
}

.resource-card p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ===== RESULTS ===== */
.results { background: var(--bg); }

.results__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.result-card {
  padding: 40px 28px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
}

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

.result-card--featured {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(59, 130, 246, 0.05));
  border-color: var(--blue-500);
  grid-column: span 1;
}

.result-card__value {
  font-size: 44px;
  font-weight: 900;
  color: var(--blue-400);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 12px;
}

.result-card__label {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.5;
}

/* ===== TESTIMONIALS ===== */
.testimonials { background: var(--surface); }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.testimonial-card {
  padding: 32px 28px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  border-color: var(--blue-border);
}

.testimonial-card__stars {
  color: #F59E0B;
  font-size: 14px;
  letter-spacing: 2px;
}

.testimonial-card__text {
  font-size: 15px;
  color: var(--gray-300);
  line-height: 1.75;
  flex: 1;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--blue-700);
  color: var(--white);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial-card__author strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
}

.testimonial-card__author span {
  font-size: 12px;
  color: var(--gray-500);
}

/* ===== CTA SECTION ===== */
.cta-section { background: var(--bg); }

.cta-box {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  padding: 64px 48px;
  background: var(--bg-card);
  border: 1px solid var(--blue-border);
  border-radius: 24px;
  box-shadow: 0 0 80px rgba(59, 130, 246, 0.08);
}

.cta-box .section-label {
  text-align: center;
}

.cta-box__title {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 12px;
}

.cta-box__desc {
  font-size: 16px;
  color: var(--gray-400);
  margin-bottom: 36px;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}

.cta-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.cta-form__input {
  width: 100%;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--gray-700);
  border-radius: 8px;
  color: var(--white);
  font-family: var(--font);
  font-size: 15px;
  transition: border-color var(--transition);
  outline: none;
}

.cta-form__input:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.cta-form__input::placeholder { color: var(--gray-500); }

.cta-form__select {
  appearance: none;
  cursor: pointer;
  color: var(--gray-500);
}

.cta-form__select option {
  background: var(--surface);
  color: var(--white);
}

.cta-form__note {
  text-align: center;
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 64px 0 0;
}

.footer__inner {
  display: flex;
  gap: 80px;
  padding-bottom: 48px;
}

.footer__brand {
  flex: 1;
}

.footer__brand p {
  margin-top: 12px;
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
}

.footer__links {
  display: flex;
  gap: 64px;
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__col strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-300);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.footer__col a {
  font-size: 14px;
  color: var(--gray-500);
  transition: color var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 24px;
  text-align: center;
}

.footer__bottom p {
  font-size: 13px;
  color: var(--gray-700);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .demo__inner {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .demo__phone-wrap { order: -1; }

  .resources__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .results__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-bar__inner {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-right: 1px solid var(--blue-border); }
  .stat-item:nth-child(4) { border-right: none; }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4) {
    border-top: 1px solid var(--blue-border);
  }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  /* Demo */
  .phone {
    width: min(288px, calc(100vw - 40px));
    border-radius: 40px;
    padding: 12px;
  }
  .phone__btn--power { right: -2px; }
  .phone__btn--vol-up,
  .phone__btn--vol-down { left: -2px; }
  .phone__screen {
    height: auto;
    min-height: 500px;
    border-radius: 30px;
  }
  .wa-body { min-height: 280px; }
  .wa-bubble p { font-size: 12.5px; }
  .wa-compose__field { font-size: 12px; padding: 8px 14px; }

  /* Clients carousel */
  .clients { padding: 56px 0; }
  .clients__header { margin-bottom: 32px; }
  .client-card { min-width: 150px; padding: 16px 20px; }
  .client-card img { height: 70px; max-width: 140px; }

  /* Header mobile */
  .nav {
    display: none;
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(8, 8, 16, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--blue-border);
  }
  .nav.open { display: flex; }
  .nav__link { font-size: 17px; }
  .hamburger { display: flex; }
  .header__inner .btn--primary { display: none; }

  /* Hero */
  .hero__metrics {
    flex-direction: column;
    gap: 20px;
    padding: 24px;
  }
  .metric__divider {
    width: 80%;
    height: 1px;
  }

  /* Stats */
  .stats-bar__inner {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Problem */
  .problem__grid {
    grid-template-columns: 1fr;
  }

  /* Benefits */
  .benefits__grid {
    grid-template-columns: 1fr;
  }

  /* Resources */
  .resources__grid {
    grid-template-columns: 1fr;
  }

  /* Results */
  .results__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Testimonials */
  .testimonials__grid {
    grid-template-columns: 1fr;
  }

  /* CTA */
  .cta-box {
    padding: 40px 24px;
  }
  .cta-form__row {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    gap: 40px;
  }
  .footer__links {
    gap: 40px;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }
  .hero__actions .btn {
    width: 100%;
  }
  .results__grid {
    grid-template-columns: 1fr;
  }
  .stats-bar__inner {
    grid-template-columns: 1fr;
  }
  .stat-item { border-right: none !important; border-bottom: 1px solid var(--blue-border); }
  .stat-item:last-child { border-bottom: none; }
}