/* =============================================
   KAIROS LAB — style.css
   Brand Colors:
   --navy:    #1B2A4A
   --blue:    #0072C6
   --cyan:    #00B4E6
   ============================================= */

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

:root {
  --navy:       #1B2A4A;
  --navy-dark:  #111e36;
  --blue:       #0072C6;
  --cyan:       #00B4E6;
  --cyan-light: #33C6EE;
  --white:      #ffffff;
  --off-white:  #f8faff;
  --text:       #1a1a2e;
  --text-muted: #5a6480;
  --border:     #dde4f0;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 4px rgba(27,42,74,0.08);
  --shadow:    0 4px 20px rgba(27,42,74,0.12);
  --shadow-lg: 0 12px 40px rgba(27,42,74,0.18);

  --transition: 0.22s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

img { display: block; max-width: 100%; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}

.btn--primary {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 100%);
  color: var(--white);
  border-color: transparent;
}
.btn--primary:hover {
  background: linear-gradient(135deg, var(--cyan-light) 0%, #0060a8 100%);
  box-shadow: var(--shadow);
}

.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--border);
}
.btn--outline:hover {
  border-color: var(--cyan);
  color: var(--blue);
  box-shadow: var(--shadow-sm);
}

.btn--white {
  background: var(--white);
  color: var(--navy);
  border-color: transparent;
}
.btn--white:hover {
  background: var(--off-white);
  box-shadow: var(--shadow-sm);
}

.btn--full { width: 100%; }

.btn--whatsapp {
  background: #3c3;
  color: var(--white);
  border-color: transparent;
  font-size: 15px;
}
.btn--whatsapp:hover {
  background: #2ebd4f;
  box-shadow: var(--shadow);
}

.btn--whatsapp-biz {
  background: var(--navy);
  color: var(--white);
  border: 2px solid var(--cyan);
  font-size: 15px;
}
.btn--whatsapp-biz:hover {
  background: var(--navy-dark);
  box-shadow: var(--shadow);
}

/* ---- NAVIGATION ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav__logo {
  margin-left: -20px;
}

.nav__logo-img {
  height: 52px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover {
  color: var(--navy);
  background: var(--off-white);
}

.nav__link--cta {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: var(--white);
  font-weight: 600;
  padding: 9px 20px;
}
.nav__link--cta:hover {
  background: linear-gradient(135deg, var(--cyan-light), #0060a8);
  color: var(--white);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--navy);
  padding: 6px;
}

/* ---- HERO ---- */
.hero {
  background: linear-gradient(160deg, var(--navy-dark) 0%, var(--navy) 60%, #1a3a6a 100%);
  color: var(--white);
  padding: 100px 0 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 80% 50%, rgba(0,180,230,0.10) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 20% 80%, rgba(0,114,198,0.10) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding-bottom: 60px;
}

.hero__badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(0,180,230,0.35);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--white);
}

.hero__sub {
  font-size: 17px;
  color: rgba(255,255,255,0.72);
  margin-bottom: 36px;
  max-width: 500px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero__actions .btn--outline {
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.25);
}
.hero__actions .btn--outline:hover {
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
  box-shadow: none;
}

.hero__trust {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  color: rgba(255,255,255,0.70);
}

/* ---- PHONE MOCKUP ---- */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.phone-mockup {
  display: flex;
  align-items: center;
  gap: 20px;
}

.mockup-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.mockup-label {
  font-size: 11px;
  font-weight: 800;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  line-height: 1;
}

.phone-mockup__frame {
  width: clamp(110px, 20vw, 140px);
  background: #0e1b30;
  border-radius: clamp(16px, 3vw, 28px);
  border: 3px solid rgba(0,180,230,0.4);
  padding: clamp(10px, 2vw, 16px) clamp(6px, 1.5vw, 10px);
  box-shadow: var(--shadow-lg);
  position: relative;
  flex-shrink: 0;
}

.phone-mockup__notch {
  width: 40%;
  height: clamp(6px, 1.5vw, 10px);
  background: #0a1524;
  border-radius: 0 0 8px 8px;
  margin: 0 auto clamp(8px, 2vw, 14px);
}

.phone-mockup__screen {
  display: flex;
  flex-direction: column;
  gap: clamp(4px, 1vw, 8px);
}

.phone-screen__bar {
  height: clamp(5px, 1.2vw, 8px);
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  border-radius: 4px;
  margin-bottom: clamp(2px, 0.5vw, 4px);
}

.phone-screen__block {
  border-radius: 5px;
  background: rgba(0,180,230,0.15);
}
.phone-screen__block--wide   { height: clamp(24px, 5vw, 36px); width: 100%; }
.phone-screen__block--short  { height: clamp(10px, 2vw, 14px); }

.phone-screen__row {
  display: flex;
  gap: clamp(4px, 1vw, 7px);
}
.phone-screen__block--half { height: clamp(34px, 7vw, 50px); flex: 1; }

.phone-mockup__home {
  width: 25%;
  height: 4px;
  background: rgba(0,180,230,0.3);
  border-radius: 2px;
  margin: clamp(8px, 2vw, 14px) auto 0;
}

.phone-mockup__arrow {
  flex-shrink: 0;
  width: clamp(24px, 6vw, 48px);
  height: clamp(24px, 6vw, 48px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-mockup__arrow svg {
  width: 100%;
  height: 100%;
}

.browser-mockup {
  width: clamp(140px, 25vw, 180px);
  background: #0e1b30;
  border-radius: 12px;
  border: 2px solid rgba(0,180,230,0.25);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  flex-shrink: 0;
}

.browser-mockup__bar {
  display: flex;
  align-items: center;
  gap: 5px;
  background: #0a1524;
  padding: 8px 10px;
}

.browser-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(0,180,230,0.35);
}

.browser-url {
  flex: 1;
  height: 7px;
  background: rgba(0,180,230,0.15);
  border-radius: 4px;
  margin-left: 4px;
}

.browser-mockup__content {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.browser-block {
  border-radius: 4px;
  background: rgba(0,180,230,0.12);
}
.browser-block--header { height: 22px; }
.browser-block--nav    { height: 12px; width: 70%; }
.browser-row { display: flex; gap: 8px; }
.browser-block--col  { height: 55px; flex: 2; }
.browser-block--col2 { height: 55px; flex: 1; }

.hero__wave {
  line-height: 0;
}
.hero__wave svg { width: 100%; height: auto; display: block; }

/* ---- SECTIONS ---- */
.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--off-white);
}

.section__head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section__label {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}

.section__label--light { color: var(--cyan); }

.section__title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.15;
}

.section__sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---- SERVICES ---- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: box-shadow var(--transition), border-color var(--transition);
  position: relative;
}

.service-card:hover {
  box-shadow: var(--shadow);
  border-color: rgba(0,180,230,0.3);
}

.service-card--featured {
  grid-column: span 3;
  background: linear-gradient(135deg, #f0f8ff 0%, #e8f4fc 100%);
  border-color: rgba(0,180,230,0.3);
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto 1fr auto;
  column-gap: 28px;
}

.service-card--featured .service-card__icon {
  grid-row: span 2;
  align-self: start;
  width: 72px;
  height: 72px;
  border-radius: var(--radius);
  background: rgba(0,180,230,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card--featured .service-card__badge {
  grid-column: 2;
}

.service-card--featured .service-card__title {
  grid-column: 2;
}

.service-card--featured .service-card__desc {
  grid-column: 2;
}

.service-card--featured .service-card__list {
  grid-column: 2;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-card__badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(0,114,198,0.10);
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 10px;
}

.service-card__title {
  font-size: 19px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.service-card__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.service-card__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-card__list li {
  font-size: 13px;
  font-weight: 500;
  color: var(--blue);
  background: rgba(0,114,198,0.08);
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px solid rgba(0,114,198,0.15);
}

/* ---- STEPS ---- */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}

.step {
  flex: 1;
  text-align: center;
  padding: 0 20px;
}

.step__num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: var(--white);
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.step__connector {
  flex: 0 0 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  align-self: 28px;
  margin-top: 28px;
  opacity: 0.35;
}

.step__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.step__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ---- PRICING ---- */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  align-items: start;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.pricing-card:hover {
  box-shadow: var(--shadow);
  border-color: rgba(0,180,230,0.3);
}

.pricing-card--featured {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%);
  border-color: transparent;
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.pricing-card__popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 18px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-card__header { margin-bottom: 28px; }

.pricing-card__plan {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin-bottom: 6px;
}

.pricing-card--featured .pricing-card__plan { color: var(--cyan); }

.pricing-card__desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 18px;
}

.pricing-card--featured .pricing-card__desc { color: rgba(255,255,255,0.60); }

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.pricing-card__currency {
  font-size: 24px;
  font-weight: 700;
  color: var(--navy);
}

.pricing-card--featured .pricing-card__currency { color: var(--white); }

.pricing-card__amount {
  font-size: 38px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--navy);
}

.pricing-card--featured .pricing-card__amount { color: var(--white); }

.pricing-card__amount--custom {
  font-size: 32px;
}

.pricing-card__note {
  font-size: 13px;
  color: var(--text-muted);
  margin-left: 4px;
}

.pricing-card--featured .pricing-card__note { color: rgba(255,255,255,0.55); }

.pricing-card__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}

.pricing-card--featured .pricing-card__features li {
  color: rgba(255,255,255,0.85);
}

.pricing-card__features li svg { flex-shrink: 0; }

.pricing__note {
  text-align: center;
  margin-top: 36px;
  font-size: 13px;
  color: var(--text-muted);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- FEATURES ---- */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-item {
  text-align: center;
  padding: 0 16px;
}

.feature-item__icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: var(--shadow-sm);
}

.feature-item__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.feature-item__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ---- TECH STACK ---- */
.tech__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
}

.tech__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

/* ---- CONTACT ---- */
.contact {
  background: linear-gradient(160deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 700px 400px at 70% 50%, rgba(0,180,230,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  position: relative;
}

.contact__title {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--white);
}

.contact__sub {
  font-size: 16px;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin-bottom: 24px;
}

.contact__pricing-note {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: rgba(255,255,255,0.80);
  background: rgba(0,180,230,0.10);
  border: 1px solid rgba(0,180,230,0.25);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  margin-bottom: 32px;
}

.contact__pricing-note svg { flex-shrink: 0; }

.contact__pricing-note strong {
  color: var(--white);
}

.contact__buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.contact__info-box {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.contact__info-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
}

.contact__info-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact__info-item svg { flex-shrink: 0; margin-top: 2px; }

.contact__info-item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact__info-item strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
}

.contact__info-item span {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}

/* ---- FOOTER ---- */
.footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.65);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer__inner {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 60px;
  padding-top: 56px;
  padding-bottom: 56px;
}

.footer__logo { height: 40px; margin-bottom: 16px; }

.footer__tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  margin-bottom: 6px;
}

.footer__col a {
  font-size: 14px;
  color: rgba(255,255,255,0.50);
  transition: color var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-card--featured {
    grid-column: span 2;
  }
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* Nav */
  .nav__toggle { display: flex; }
  .nav__links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
    box-shadow: var(--shadow);
  }
  .nav__links.is-open { display: flex; }
  .nav__link { padding: 12px 16px; width: 100%; }

  /* Hero */
  .hero { padding: 60px 0 0; }
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }
  .hero__sub { max-width: none; margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__trust { justify-content: center; }
  .hero__visual { order: -1; }
  .phone-mockup { flex-direction: row; gap: clamp(8px, 2vw, 16px); }
  .phone-mockup__arrow { transform: none; }

  /* Services */
  .services__grid {
    grid-template-columns: 1fr;
  }
  .service-card--featured {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }
  .service-card--featured .service-card__icon,
  .service-card--featured .service-card__badge,
  .service-card--featured .service-card__title,
  .service-card--featured .service-card__desc,
  .service-card--featured .service-card__list {
    grid-column: 1;
  }

  /* Steps */
  .steps {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
  .step { padding: 0; width: 100%; max-width: 400px; }
  .step__connector {
    width: 2px;
    height: 32px;
    flex: none;
    margin: 0;
    background: linear-gradient(180deg, var(--cyan), var(--blue));
    align-self: center;
  }

  /* Features */
  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

  .features__grid {
    grid-template-columns: 1fr;
  }

  /* Contact */
  .contact__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Footer */
  .footer__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer__links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .section { padding: 64px 0; }
  .hero__actions { flex-direction: column; }
  .contact__buttons { flex-direction: column; }
  .footer__links { grid-template-columns: 1fr; }
  .phone-mockup { flex-direction: row; gap: clamp(6px, 1.5vw, 12px); }
  .phone-mockup__arrow { transform: none; }
}

/* ---- MODAL SELECTOR ---- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(14, 27, 48, 0.75);
  backdrop-filter: blur(8px);
}

.modal__container {
  position: relative;
  z-index: 1001;
  background: var(--white);
  width: 90%;
  max-width: 420px;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal.is-open .modal__container {
  transform: translateY(0);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.modal__title {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.modal__close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}

.modal__close:hover {
  background: var(--off-white);
  color: var(--navy);
}

.modal__sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

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

.footer__logo-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  display: block;
}