/* ==========================================
   WHISTLE OS
========================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Gilroy", sans-serif;
  color: #111111;
  background: #ffffff;
}

.os-container {
  width: calc(100% - 96px);
  max-width: 1200px;
  margin: 0 auto;
}


/* ==========================================
   HERO
========================================== */

.os-hero {
  position: relative;
  overflow: hidden;

  padding: 70px 0 110px;

  color: #ffffff;

  background: linear-gradient(
    115deg,
    #063767 0%,
    #075c9d 45%,
    #0096d5 100%
  );
}

.os-hero__inner {
  text-align: center;
}

.os-eyebrow {
  margin: 0 0 18px;

  color: rgba(255, 255, 255, 0.82);

  font-size: 11px;
  font-weight: 500;
  line-height: 16px;

  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.os-hero__title {
  margin: 0;

  color: #ffffff;

  font-size: 48px;
  font-weight: 700;
  line-height: 1.08;

  letter-spacing: -0.7px;
}

.os-hero__title span {
  color: #73d2f4;
}


/* ==========================================
   STATS
========================================== */

.os-stats {
  margin-top: 38px;

  display: flex;
  align-items: stretch;
  justify-content: center;

  gap: 14px;
}

.os-stat {
  width: 150px;
  min-height: 70px;

  padding: 12px 16px;

  display: flex;
  flex-direction: column;
  justify-content: center;

  background: rgba(255, 255, 255, 0.11);

  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
}

.os-stat strong {
  color: #ffffff;

  font-size: 17px;
  font-weight: 600;
  line-height: 22px;
}

.os-stat span {
  margin-top: 3px;

  color: rgba(255, 255, 255, 0.75);

  font-size: 10px;
  font-weight: 400;
  line-height: 14px;
}


/* ==========================================
   DASHBOARD
========================================== */

.os-dashboard {
  width: 100%;
  max-width: 1000px;

  margin: 70px auto 0;
}

.os-dashboard img {
  display: block;

  width: 100%;
  height: auto;

  object-fit: contain;

  border-radius: 8px;
}

.os-hero__description {
  max-width: 720px;

  margin: 48px auto 0;

  color: rgba(255, 255, 255, 0.82);

  font-size: 15px;
  font-weight: 400;
  line-height: 23px;
}


/* ==========================================
   HERO FEATURE CARDS
========================================== */

.os-hero-features {
  width: 100%;
  max-width: 1200px;

  margin: 55px auto 0;

  display: grid;
  grid-template-columns: repeat(6, 1fr);

  gap: 22px;
}

.os-blue-card:nth-child(1),
.os-blue-card:nth-child(2),
.os-blue-card:nth-child(3) {
  grid-column: span 2;
}

.os-blue-card:nth-child(4),
.os-blue-card:nth-child(5) {
  grid-column: span 3;
}

.os-blue-card {
  width: 100%;
  min-height: 215px;

  padding: 24px;

  display: flex;
  align-items: flex-start;

  gap: 18px;

  text-align: left;

  background: rgba(255, 255, 255, 0.07);

  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
}

.os-card-icon {
  width: 48px;
  height: 48px;

  flex: 0 0 48px;

  padding: 12px;

  object-fit: contain;

  background: rgba(255, 255, 255, 0.04);

  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
}

.os-blue-card > div {
  min-width: 0;
  flex: 1;
}

.os-blue-card h2 {
  margin: 2px 0 0;

  color: #ffffff;

  font-size: 20px;

  font-weight: 600;

  line-height: 1.45;
}

.os-blue-card p {
  margin: 14px 0 0;

  color: rgba(255, 255, 255, 0.9);

  font-size: 16px;
  font-weight: 400;
  line-height: 1.4;
}

.os-hero__bottom-text {
  margin: 65px 0 0;

  color: rgba(255, 255, 255, 0.76);

  font-size: 13px;
  font-weight: 400;
  line-height: 20px;
}

.os-hero__wave {
  position: absolute;

  left: -2%;
  bottom: -31px;

  width: 104%;
  height: 60px;

  background: #ffffff;

  border-radius: 50% 50% 0 0 / 30% 30% 0 0;
}


/* ==========================================
   WHY FIRST CHOICE 
========================================== */

.choice {
  padding: 110px 0 120px;

  background: #ffffff;
}

.choice__inner {
  max-width: 1080px;
}

.choice__title {
  margin: 0 0 72px;

  color: #063767;

  font-size: 34px;
  font-weight: 700;
  line-height: 42px;

  text-align: center;
}

.choice-group + .choice-group {
  margin-top: 52px;
}

.choice-group__title {
  margin: 0 0 24px;

  color: #063767;

  font-size: 20px;
  font-weight: 700;
  line-height: 26px;
}


/* ==========================================
   CHOICE GRID
========================================== */

.choice-grid {
  display: grid;
  gap: 18px;
}

.choice-grid--four {
  grid-template-columns: repeat(4, 1fr);
}

.choice-grid--three {
  grid-template-columns: repeat(3, 1fr);
}


/* ==========================================
   CHOICE CARDS
========================================== */

.choice-card {
  min-height: 165px;

  padding: 22px 20px;

  background: #f8fafc;

  border: 1px solid #e1e7ec;
  border-radius: 12px;
}

.choice-card__icon {
  width: 38px;
  height: 38px;

  padding: 9px;
  margin-bottom: 18px;

  display: block;

  object-fit: contain;

  background: #eaf7fd;

  border-radius: 8px;
}

.choice-card h4 {
  margin: 0;

  color: #063767;

  font-size: 16px;
  font-weight: 600;
  line-height: 21px;
}

.choice-card p {
  margin: 8px 0 0;

  color: #454545;

  font-size: 13px;
  font-weight: 400;
  line-height: 18px;
}


/* BLUE CARDS */

.choice-card--blue {
  min-height: 155px;

  padding: 25px 22px;

  background: #075a98;

  border-color: #075a98;
}

.choice-card--blue h4 {
  color: #ffffff;

  font-size: 16px;
  font-weight: 600;
  line-height: 22px;
}

.choice-card--blue p {
  margin-top: 12px;

  color: rgba(255, 255, 255, 0.82);

  font-size: 13px;
  font-weight: 400;
  line-height: 19px;
}


/* ==========================================
   EXPERIENCE SECTIONS
========================================== */

.experience {
  padding: 105px 0;

  background: #ffffff;
}

.experience--gray {
  background: #f7f9fb;
}

.experience__inner {
  max-width: 1080px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 70px;
}

.experience__content {
  width: 46%;
}

.experience__content h2 {
  margin: 0;

  color: #063767;

  font-size: 34px;
  font-weight: 700;
  line-height: 1.12;

  letter-spacing: -0.3px;
}

.experience__content p {
  margin: 24px 0 0;

  color: #454545;

  font-size: 16px;
  font-weight: 400;
  line-height: 1.48;
}

.experience__image {
  width: 46%;
}

.experience__image img {
  display: block;

  width: 100%;
  height: 300px;

  object-fit: cover;

  border-radius: 8px;
}

/* ==========================================
   FAQ
========================================== */

.os-faq {
  padding: 105px 0;

  background: #ffffff;
}


.os-faq__inner {
  max-width: 1200px;

  display: grid;
  grid-template-columns: 1fr 1fr;

  align-items: center;

  gap: 70px;
}


/* ==========================================
   FAQ IMAGE
========================================== */

.os-faq__image {
  width: 100%;

  margin-top: 0px;
}


.os-faq__image img {
  display: block;

  width: 100%;
  height: 376px;

  object-fit: cover;

  border-radius: 9px;
}


/* ==========================================
   FAQ CONTENT
========================================== */

.os-faq__content {
  width: 100%;
}


.os-faq__content h2 {
  margin: 0 0 43px;

  color: #063767;

  font-size: 40px;
  font-weight: 700;
  line-height: 1.15;

  letter-spacing: -0.5px;
}


/* ==========================================
   FAQ LIST
========================================== */

.faq-list {
  width: 100%;

  border-top: 1px solid #aeb7bf;
}


.faq-item {
  width: 100%;

  border-bottom: 1px solid #aeb7bf;
}


/* ==========================================
   FAQ QUESTION
========================================== */

.faq-question {
  width: 100%;

  padding: 22px 0;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 20px;

  background: transparent;
  border: 0;

  color: #111111;

  font-family: "Gilroy", sans-serif;

  font-size: 16px;
  font-weight: 400;
  line-height: 22px;

  text-align: left;

  cursor: pointer;
}


.faq-question span {
  flex: 1;
}


/* ==========================================
   FAQ ARROW
========================================== */

.faq-arrow {
  width: 16px;
  height: 16px;

  display: block;

  flex: 0 0 16px;

  object-fit: contain;

  transition: transform 0.25s ease;
}


.faq-question[aria-expanded="true"] .faq-arrow {
  transform: rotate(180deg);
}


/* ==========================================
   FAQ ANSWER
========================================== */

.faq-answer {
  display: none;

  padding: 0 35px 23px 0;
}


.faq-answer p {
  margin: 0;

  color: #454545;

  font-size: 16px;
  font-weight: 400;
  line-height: 1.55;
}


.faq-question[aria-expanded="true"] + .faq-answer {
  display: block;
}


/* ==========================================
   TABLET
========================================== */

@media (max-width: 1000px) {

  .os-hero-features {
    grid-template-columns: repeat(2, 1fr);
  }

  .os-blue-card:nth-child(1),
  .os-blue-card:nth-child(2),
  .os-blue-card:nth-child(3),
  .os-blue-card:nth-child(4),
  .os-blue-card:nth-child(5) {
    grid-column: auto;
  }

  .choice-grid--four {
    grid-template-columns: repeat(2, 1fr);
  }

  .choice-grid--three {
    grid-template-columns: repeat(2, 1fr);
  }

  .experience__inner,
  .os-faq__inner {
    gap: 50px;
  }
}


/* ==========================================
   MOBILE
========================================== */

@media (max-width: 768px) {

  .os-container {
    width: calc(100% - 48px);
  }


  /* HERO */

  .os-hero {
    padding-top: 55px;
  }

  .os-hero__title {
    font-size: 38px;
    line-height: 44px;
  }


  /* STATS */

  .os-stats {
    flex-wrap: wrap;
  }

  .os-stat {
    width: calc(50% - 8px);
  }


  /* HERO CARDS */

  .os-hero-features {
    grid-template-columns: 1fr;
  }

  .os-blue-card:nth-child(1),
  .os-blue-card:nth-child(2),
  .os-blue-card:nth-child(3),
  .os-blue-card:nth-child(4),
  .os-blue-card:nth-child(5) {
    grid-column: auto;
  }

  .os-blue-card {
    min-height: auto;
  }


  /* CHOICE */

  .choice {
    padding: 75px 0;
  }

  .choice__title {
    margin-bottom: 50px;

    font-size: 28px;
    line-height: 36px;
  }

  .choice-group__title {
    font-size: 18px;
    line-height: 24px;
  }

  .choice-grid--four,
  .choice-grid--three {
    grid-template-columns: 1fr;
  }


  /* EXPERIENCE */

  .experience {
    padding: 70px 0;
  }

  .experience__inner {
    flex-direction: column;
    align-items: stretch;

    gap: 40px;
  }

  .experience__content,
  .experience__image {
    width: 100%;
  }

  .experience__content h2 {
    font-size: 30px;
    line-height: 37px;
  }

  .experience__content p {
    font-size: 15px;
    line-height: 23px;
  }

  .experience__image img {
    height: auto;

    aspect-ratio: 16 / 10;
  }


  /* DRIVER */

  .experience__inner--reverse .experience__image {
    order: 2;
  }

  .experience__inner--reverse .experience__content {
    order: 1;
  }


  /* FAQ */

  .os-faq {
    padding: 70px 0;
  }

  .os-faq__inner {
    flex-direction: column;
    align-items: stretch;

    gap: 45px;
  }

  .os-faq__image,
  .os-faq__content {
    width: 100%;
  }

  .os-faq__image img {
    height: auto;

    aspect-ratio: 16 / 10;
  }

  .os-faq__content h2 {
    font-size: 28px;
    line-height: 36px;
  }
}