/* ─────────────────────────────────────────────────────────────────
   INVO — Landing Page Styles
   ───────────────────────────────────────────────────────────────── */

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Design Tokens ────────────────────────────────────────────── */
:root {
  --green-50:  #F0FDF4;
  --green-100: #DCFCE7;
  --green-200: #BBF7D0;
  --green-400: #4ADE80;
  --green-500: #22C55E;
  --green-600: #16A34A;
  --green-700: #15803D;
  --green-900: #14532D;

  --gray-50:  #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;

  --white: #FFFFFF;
  --dark:  #0A0F1C;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 10px 32px rgba(0,0,0,.10);
  --shadow-xl: 0 24px 64px rgba(0,0,0,.14);
  --shadow-green: 0 8px 32px rgba(34,197,94,.25);
}

/* ── Utilities ────────────────────────────────────────────────── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--green-500);
  color: var(--white);
  border-color: var(--green-500);
}
.btn--primary:hover {
  background: var(--green-600);
  border-color: var(--green-600);
  box-shadow: var(--shadow-green);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--gray-700);
  border-color: var(--gray-200);
}
.btn--outline:hover {
  border-color: var(--green-500);
  color: var(--green-600);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--gray-600);
  border-color: transparent;
}
.btn--ghost:hover { color: var(--green-600); }

.btn--white {
  background: var(--white);
  color: var(--green-700);
  border-color: var(--white);
}
.btn--white:hover {
  background: var(--green-50);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

/* ── Typography helpers ───────────────────────────────────────── */
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: 12px;
}
.eyebrow--light { color: var(--green-400); }

.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 64px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-header p {
  font-size: 1.05rem;
  color: var(--gray-500);
  line-height: 1.7;
}
.section-header--light h2 { color: var(--white); }
.section-header--light p  { color: rgba(255,255,255,.7); }

.highlight {
  color: var(--green-500);
  position: relative;
}

/* ── NAV ──────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow 0.2s;
}
.nav.scrolled { box-shadow: var(--shadow-md); }

.nav__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--gray-900);
  flex-shrink: 0;
}
.nav__logo-icon {
  width: 32px; height: 32px;
  background: var(--gray-900);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav__links a {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color 0.15s, background 0.15s;
}
.nav__links a:hover {
  color: var(--gray-900);
  background: var(--gray-100);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border: none;
  background: none;
  cursor: pointer;
  margin-left: auto;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all 0.25s;
}

/* ── HERO ─────────────────────────────────────────────────────── */
.hero {
  padding: 140px 0 100px;
  background: linear-gradient(160deg, var(--white) 50%, var(--green-50) 100%);
  overflow: hidden;
  position: relative;
}
.hero__bg-blur {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(34,197,94,.12) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-50);
  border: 1px solid var(--green-200);
  color: var(--green-700);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}
.badge__dot {
  width: 6px; height: 6px;
  background: var(--green-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .6; transform: scale(1.4); }
}

.hero__title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--gray-900);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero__sub {
  font-size: 1.1rem;
  color: var(--gray-500);
  line-height: 1.7;
  max-width: 460px;
  margin-bottom: 36px;
}

.hero__cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero__trust {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--gray-400);
  font-weight: 500;
}

/* ── PHONE MOCKUP ─────────────────────────────────────────────── */
.hero__mockup {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone {
  width: 280px;
  background: #1a1a2e;
  border-radius: 40px;
  padding: 12px;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255,255,255,.08);
  position: relative;
}
.phone__notch {
  width: 100px;
  height: 28px;
  background: #1a1a2e;
  border-radius: 0 0 18px 18px;
  margin: 0 auto 4px;
  position: relative;
  z-index: 2;
}
.phone__screen {
  background: #ECE5DD;
  border-radius: 28px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 500px;
}

.phone__header {
  background: #075E54;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.phone__back {
  color: rgba(255,255,255,.8);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
}
.phone__avatar {
  width: 34px; height: 34px;
  background: var(--green-500);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 0.9rem;
}
.phone__info { flex: 1; }
.phone__name {
  display: block;
  color: white;
  font-size: 0.88rem;
  font-weight: 600;
}
.phone__status {
  display: block;
  color: rgba(255,255,255,.7);
  font-size: 0.72rem;
}
.phone__menu {
  color: rgba(255,255,255,.8);
  font-size: 1.2rem;
}

.phone__messages {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow: hidden;
}

.msg {
  max-width: 80%;
  padding: 7px 10px;
  border-radius: 10px;
  font-size: 0.75rem;
  line-height: 1.4;
  position: relative;
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.msg--received {
  background: white;
  border-radius: 0 10px 10px 10px;
  align-self: flex-start;
  color: #1a1a2e;
  box-shadow: 0 1px 2px rgba(0,0,0,.1);
}

.msg--sent {
  background: #DCF8C6;
  border-radius: 10px 0 10px 10px;
  align-self: flex-end;
  color: #1a1a2e;
  box-shadow: 0 1px 2px rgba(0,0,0,.1);
}

.msg__time {
  display: block;
  font-size: 0.62rem;
  color: #94A3B8;
  text-align: right;
  margin-top: 3px;
}

.msg--pdf { max-width: 88%; }

.pdf-bubble {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f0f0f0;
  border-radius: var(--radius-sm);
  padding: 8px;
  margin-top: 6px;
}
.pdf-bubble__info { flex: 1; }
.pdf-bubble__name {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  color: #1a1a2e;
}
.pdf-bubble__size {
  font-size: 0.62rem;
  color: var(--gray-400);
}

.phone__input {
  background: #f0f0f0;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.phone__input-bar {
  flex: 1;
  background: white;
  border-radius: 20px;
  padding: 7px 12px;
}
.phone__input-placeholder {
  font-size: 0.72rem;
  color: var(--gray-400);
}
.phone__input-send {
  width: 32px; height: 32px;
  background: #075E54;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ── STATS ────────────────────────────────────────────────────── */
.stats {
  background: var(--gray-900);
  padding: 40px 0;
}
.stats__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 48px;
  text-align: center;
}
.stat__number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--green-400);
  line-height: 1.1;
}
.stat__label {
  font-size: 0.82rem;
  color: var(--gray-400);
  margin-top: 4px;
  font-weight: 500;
}
.stat__divider {
  width: 1px;
  height: 48px;
  background: var(--gray-700);
}

/* ── PROBLEM ──────────────────────────────────────────────────── */
.problem {
  padding: 100px 0;
  background: var(--white);
}
.problem__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.problem__text h2 {
  font-size: clamp(1.8rem, 2.5vw, 2.4rem);
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.25;
  margin-bottom: 16px;
}
.problem__text p {
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 24px;
}
.problem__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}
.problem__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--gray-700);
}
.problem__icon--bad {
  color: #EF4444;
  font-size: 1rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.problem__footnote {
  font-weight: 600;
  color: var(--green-700) !important;
  font-size: 1rem !important;
}

/* Before/After cards */
.before-card, .after-card {
  border-radius: var(--radius-xl);
  padding: 28px;
  margin-bottom: 16px;
}
.before-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
}
.after-card {
  background: var(--green-50);
  border: 1px solid var(--green-200);
}
.before-card__label, .after-card__label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 12px;
}
.before-card__label { color: var(--gray-400); }
.after-card__label  { color: var(--green-600); }

.before-card__time, .after-card__time {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 16px;
}
.before-card__time-number, .after-card__time-number {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
}
.before-card__time-number { color: var(--gray-400); }
.after-card__time-number  { color: var(--green-600); }

.before-card__time-unit, .after-card__time-unit {
  font-size: 0.9rem;
  font-weight: 500;
}
.before-card__time-unit { color: var(--gray-400); }
.after-card__time-unit  { color: var(--green-600); }

.before-card__items, .after-card__items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.before-card__item, .after-card__item {
  font-size: 0.85rem;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
}
.before-card__item { background: var(--gray-100); color: var(--gray-600); }
.after-card__item  { background: var(--green-100); color: var(--green-800); font-weight: 500; }

/* ── HOW IT WORKS ─────────────────────────────────────────────── */
.how {
  padding: 100px 0;
  background: var(--gray-50);
}

.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  justify-content: center;
}

.step {
  flex: 1;
  max-width: 280px;
  text-align: center;
  padding: 32px 24px;
}
.step__number {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: .12em;
  color: var(--green-500);
  margin-bottom: 16px;
}
.step__icon {
  width: 60px; height: 60px;
  background: var(--white);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: var(--shadow-md);
  color: var(--green-600);
  border: 1px solid var(--green-100);
}
.step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
}
.step p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.65;
}
.step__arrow {
  font-size: 1.5rem;
  color: var(--gray-300);
  padding-top: 76px;
  flex-shrink: 0;
}

/* ── FEATURES ─────────────────────────────────────────────────── */
.features {
  padding: 100px 0;
  background: var(--white);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 28px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-100);
  background: var(--white);
  transition: all 0.2s;
}
.feature-card:hover {
  border-color: var(--green-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.feature-card--highlight {
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  border-color: transparent;
  color: white;
}
.feature-card--highlight .feature-card__icon { background: rgba(255,255,255,.2); color: white; }
.feature-card--highlight h3 { color: white; }
.feature-card--highlight p  { color: rgba(255,255,255,.8); }

.feature-card__icon {
  width: 48px; height: 48px;
  background: var(--green-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-600);
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ── TESTIMONIALS ─────────────────────────────────────────────── */
.testimonials {
  padding: 100px 0;
  background: var(--gray-900);
}
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial {
  background: var(--gray-800);
  border-radius: var(--radius-xl);
  padding: 28px;
  border: 1px solid var(--gray-700);
  transition: all 0.2s;
}
.testimonial:hover {
  border-color: var(--green-700);
  transform: translateY(-2px);
}
.testimonial--featured {
  background: linear-gradient(135deg, rgba(34,197,94,.15), rgba(22,163,74,.05));
  border-color: var(--green-700);
}
.testimonial__stars {
  color: #FBBF24;
  font-size: 0.9rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}
.testimonial__text {
  font-size: 0.92rem;
  color: var(--gray-300);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial__author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial__avatar {
  width: 38px; height: 38px;
  background: var(--green-700);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.testimonial__name {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
}
.testimonial__role {
  display: block;
  font-size: 0.75rem;
  color: var(--gray-500);
}

/* ── PRICING ──────────────────────────────────────────────────── */
.pricing {
  padding: 100px 0;
  background: var(--gray-50);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}

.plan {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px;
  border: 1px solid var(--gray-200);
  position: relative;
  transition: all 0.2s;
}
.plan:hover { box-shadow: var(--shadow-lg); }

.plan--popular {
  border-color: var(--green-400);
  box-shadow: 0 0 0 3px rgba(34,197,94,.15), var(--shadow-lg);
  transform: scale(1.03);
}

.plan__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green-500);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.plan__header { margin-bottom: 24px; }
.plan__name {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--gray-400);
  margin-bottom: 12px;
}
.plan__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 10px;
}
.plan__amount {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--gray-900);
  line-height: 1;
}
.plan__period {
  font-size: 0.88rem;
  color: var(--gray-400);
  font-weight: 500;
}
.plan__desc {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.55;
}

.plan__features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.plan__features li {
  font-size: 0.88rem;
  color: var(--gray-700);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.plan__feature--disabled {
  color: var(--gray-300) !important;
}

.plan__cta {
  display: flex;
  justify-content: center;
  width: 100%;
  text-align: center;
}

/* ── FAQ ──────────────────────────────────────────────────────── */
.faq { padding: 100px 0; background: var(--white); }
.faq__inner { max-width: 720px; margin: 0 auto; }

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq__item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq__item[open] { border-color: var(--green-300); }
.faq__item[open] .faq__question { color: var(--green-700); }

.faq__question {
  list-style: none;
  padding: 18px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-800);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.15s;
  user-select: none;
}
.faq__question::-webkit-details-marker { display: none; }
.faq__question::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--gray-400);
  flex-shrink: 0;
  transition: transform 0.2s;
  line-height: 1;
}
details[open] .faq__question::after {
  content: '−';
  color: var(--green-500);
}

.faq__answer {
  padding: 0 22px 18px;
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.75;
  border-top: 1px solid var(--gray-100);
  padding-top: 14px;
}

/* ── FINAL CTA ────────────────────────────────────────────────── */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,.08) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  pointer-events: none;
}
.cta-section__inner { text-align: center; position: relative; }
.cta-section__content h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}
.cta-section__content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.75);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.cta-section__footnote {
  margin-top: 16px !important;
  margin-bottom: 0 !important;
  font-size: 0.82rem !important;
  color: rgba(255,255,255,.5) !important;
}

/* ── FOOTER ───────────────────────────────────────────────────── */
.footer {
  background: var(--gray-900);
  padding: 60px 0 0;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 80px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--gray-800);
}
.footer__brand p {
  margin-top: 12px;
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.65;
  max-width: 280px;
}
.footer__logo { color: white; }

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer__col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--gray-400);
  margin-bottom: 16px;
}
.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__col a {
  font-size: 0.88rem;
  color: var(--gray-500);
  transition: color 0.15s;
}
.footer__col a:hover { color: var(--green-400); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: 0.82rem;
  color: var(--gray-600);
}

/* ── RESPONSIVE ───────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .hero__sub { margin: 0 auto 36px; }
  .hero__cta { justify-content: center; }
  .hero__trust { justify-content: center; }
  .hero__mockup { order: -1; }

  .problem__inner { grid-template-columns: 1fr; gap: 48px; }
  .features__grid { grid-template-columns: 1fr 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .pricing__grid { grid-template-columns: 1fr; }
  .plan--popular { transform: none; }

  .steps {
    flex-direction: column;
    align-items: center;
  }
  .step__arrow { transform: rotate(90deg); padding: 0; }
  .stat__divider { display: none; }

  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__links { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .nav__links, .nav__actions { display: none; }
  .nav__hamburger { display: flex; }

  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: white;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow-lg);
    z-index: 99;
    gap: 8px;
  }
  .nav__links.open li a {
    display: block;
    padding: 10px;
  }

  .features__grid { grid-template-columns: 1fr; }
  .footer__links { grid-template-columns: 1fr 1fr; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
  .stats__inner { flex-direction: column; }
  .phone { width: 250px; }

  section { padding: 72px 0; }
}