:root {
  --clr-accent-500: hsl(12, 60%, 50%);
  --clr-accent-400: hsl(12, 88%, 59%);
  --clr-accent-300: hsl(12, 88%, 75%);
  --clr-accent-100: hsl(13, 100%, 96%);

  --clr-primary-400: hsl(228, 39%, 23%);

  --clr-neutral-900: hsl(232, 12%, 13%);
  --clr-neutral-100: hsl(0 0% 100%);

  --ff-primary: "Be Vietnam Pro", sans-serif;

  --ff-body: var(--ff-primary);
  --ff-heading: var(--ff-primary);

  --fw-thin: 300;
  --fw-regular: 400;
  --fw-semi-bold: 500;
  --fw-bold: 700;

  --fs-300: 0.8125rem;
  --fs-400: 0.875rem;
  --fs-500: 0.9375rem;
  --fs-600: 1rem;
  --fs-700: 1.875rem;
  --fs-800: 2.5rem;
  --fs-900: 3.5rem;

  --fs-body: var(--fs-400);
  --fs-primary-heading: var(--fs-800);
  --fs-secondary-heading: var(--fs-700);
  --fs-nav: var(--fs-500);
  --fs-button: var(--fs-300);

  --size-100: .25rem;
  --size-200: .5rem;
  --size-300: 0.75rem;
  --size-400: 1rem;
  --size-500: 1.5rem;
  --size-600: 2rem;
  --size-700: 3rem;
  --size-800: 4rem;
  --size-900: 5rem;

}

@media (min-width: 50em) {
  :root {
    --fs-body: var(--fs-500);
    --fs-primary-heading: var(--fs-900);
    --fs-secondary-heading: var(--fs-800);

    --fs-nav: var(--fs-300);
  }
}

/* CSS Reset */

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


/* Remove default margin */
* {
  margin: 0;
  padding: 0;
  font: inherit;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul[role="list"],
ol[role="list"] {
  list-style: none;
}

/* Set core root defaults */
html:focus-within {
  scroll-behavior: smooth;
}

html,
body {
  height: 100%;
}

/* Set core body defaults */
body {
  text-rendering: optimizeSpeed;
  line-height: 1.5;
}

/* A elements that don't have a class get default styles */
a:not([class]) {
  text-decoration-skip-ink: auto;
}

/* Make images easier to work with */
img,
picture,
svg {
  max-width: 100%;
  display: block;
}

/* Remove all animations, transitions and smooth scroll for people that prefer not to see them */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Footer Nav */

.footer {
  --logo-color: var(--clr-neutral-100);
}

.footer__branding{
  filter: invert(1);
}



.footer__nav {
  columns: 2;
}

.footer__nav a {
  color: var(--clr-neutral-100);
  text-decoration: none;
  font-weight: var(--fw-thin);
}

.footer__nav a:is(:hover, :focus) {
  color: var(--clr-accent-400);
}

@media (max-width: 50em){
.footer__wrap > *{
  text-align: center;
}

.footer__wrap .nav__branding__wrap a{
  justify-content: center;
  display: flex;
}

.lightform{
  justify-content: center;
  flex-wrap: wrap;
}
}

/* Footer Form */

.lightform{
  display: flex;
  gap: var(--size-300);
}

.lightform__input{
  border: none;
  outline: none;
  border-radius: 100vmax;
  padding: 0.35em 1em;
  color: var(--clr-primary-400);
  font-weight: var(--fw-semi-bold);
}

.lightform__input:focus-visible,
.lightform__input:active{
  border: none;
  outline: none;
}

.lightform__submit{
  border-radius: 100vmax;

}

/* CTA */

.cta {
  position: relative;
  isolation: isolate;
  text-align: center;
}

@media (min-width: 50em) {
  .cta {
    text-align: left;
  }
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    url("images/bg-tablet-pattern.svg"),
    url("images/bg-tablet-pattern.svg");
  opacity: 0.1;
  background-position: -15rem -5rem, 90rem -42rem;
  background-repeat: no-repeat;
}

/* Utility classes */

.visually__hidden {
  display: none;
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}



.container {
  --max-width: 1110px;
  --padding: 1rem;

  width: min(var(--max-width), 100% - (var(--padding)*2));
  margin-inline: auto;
}

.container__max{
  width: 100%;
  margin-inline: 0;
}

.justify__selfend {
  justify-self: end;
}

@media (min-width: 50em) {

  .justify__selfend__md {
    justify-self: center;
  }
}

.vert__center {
  align-items: center;
}



:where(.flow > :not(:first-child)) {
  margin-top: var(--flow-spacer, 3em);
}

.even__cols {
  display: grid;
  gap: clamp(var(--size-500), 5vw, var(--size-900));

}

.cols-121{
  display: grid;
  gap: clamp(var(--size-500), 5vw, var(--size-900));
}

@media (min-width: 50em) {
  .even__cols {
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
  }

  .cols-121{
    display: grid;
    gap: clamp(var(--size-500), 5vw, var(--size-900));
    grid-auto-flow: column;
    grid-auto-columns: 1fr 2fr 1fr;
  }
}




.text-primary-400 {
  color: var(--clr-primary-400);
}

.text-accent-400 {
  color: var(--clr-accent-400);
}

.text-accent-100 {
  color: var(--clr-accent-100);
}

.text-neutral-100 {
  color: var(--clr-neutral-100);
}

.text-neutral-900 {
  color: var(--clr-neutral-900);
}

.bg-primary-400 {
  background-color: var(--clr-primary-400);
}

.bg-accent-400 {
  background-color: var(--clr-accent-400);
}

.bg-accent-100 {
  background-color: var(--clr-accent-100);
}

.bg-neutral-100 {
  background-color: var(--clr-neutral-100);
}

.bg-neutral-900 {
  background-color: var(--clr-neutral-900);
}

.fw-bold {
  font-weight: var(--fw-bold);
}

.fw-semi-bold {
  font-weight: var(--fw-semi-bold);
}

.fw-regular {
  font-weight: var(--fw-regular);
}

.fs-primary-heading {
  font-size: var(--fs-primary-heading);
  line-height: 1.1;
}

.fs-secondary-heading {
  font-size: var(--fs-secondary-heading);
  line-height: 1.1;
}

.fs-300 {
  font-size: var(--fs-300);
}

.fs-400 {
  font-size: var(--fs-400);
}

.fs-500 {
  font-size: var(--fs-500);
}

.fs-600 {
  font-size: var(--fs-600);
}

.padding__block__900 {
  padding-block: var(--size-900);
}

.padding__block__700 {
  padding-block: var(--size-700);
}

@media (min-width: 50em) {
  .desk__only__btn {
    display: inline-flex;
  }
}

.desk__only__btn {}



/* General Styling */

body {
  font-size: var(--fs-body);
  color: var(--clr-primary-400);
  font-family: var(--ff-body);
}

p:not([class]) {
  opacity: .7;
  max-width: 35ch;
}

p[data-width="wide"] {
  max-width: 45ch;
}

/* Button */

.primary__button {
  border-radius: 100vmax;
  line-height: 1;
  display: inline-flex;
  padding: 1.25em 2.5em;
  text-decoration: none;
  align-items: center;
  border: 0;
  font-weight: var(--fw-bold);
  font-size: var(--fs-button);
  color: var(--clr-neutral-100);
  background-color: var(--clr-accent-400);
  cursor: pointer;
  box-shadow: 0 1.125em 1em -1em var(--clr-accent-500);

}

.primary__button[data-glow="noglow"]{
  box-shadow: none;
}

.primary__button[data-type="inverted"] {
  background-color: var(--clr-neutral-100);
  color: var(--clr-accent-400);
}

.primary__button:hover,
.primary__button:focus-visible {
  border: none;
  background-color: var(--clr-accent-300);
}

.primary__button[data-type="inverted"]:hover,
.primary__button[data-type="inverted"]:focus-visible {
  background-color: var(--clr-neutral-100);
  color: var(--clr-accent-300);
}

/* Primary Nav */

.primary__header {
  margin-top: var(--size-700);
}

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

}

.mobile__nav__toggle {
  display: none;
}

.nav__list {
  display: flex;
  gap: var(--size-700);
  font-weight: var(--fw-thin);

}

.nav__list a {
  text-decoration: none;
  color: var(--clr-neutral-900);
}

.nav__list a:hover,
.nav__list a:focus {
  text-decoration: none;
  color: var(--clr-neutral-900);
}

@media (max-width: 50em) {

  .desk__only__btn {
    display: none;
  }

  .locked {
    overflow: hidden;
  }

  .locked::after {
    content: '';
    overflow: hidden;
    position: absolute;
    width: 100%;
    height: 100vmax;
    top: 0;
    left: 0;
    z-index: 1;
    opacity: 0.5;
    background-image: linear-gradient(0deg, rgba(0, 0, 0, 0.8), transparent);
    background-size: contain;
  }

  .primary__nav {
    display: none;
    z-index: 10;
    position: fixed;
    inset: 6rem var(--size-400);
    padding: var(--size-600);
    background-color: var(--clr-neutral-100);
    border-radius: var(--size-100);
    height: fit-content;
    box-shadow: 0px 0px .75em rgb(0, 0, 0, 0.05);
  }

  .nav__list {
    gap: var(--size-400);
    display: grid;
    text-align: center;
    font-size: var(--fs-nav);
    font-weight: var(--fw-bold);
  }

  .nav__list a {
    text-decoration: none;
    color: var(--clr-neutral-900);
  }

  .nav__list a:hover,
  .nav__list a:focus {
    text-decoration: none;
    color: var(--clr-neutral-900);
  }

  .primary__nav[data-visible] {
    display: block;
    position: fixed;
  }

  .mobile__nav__toggle {
    cursor: pointer;
    display: block;
    background: none;
    border: 0;
    padding: .5emf;
  }

  .mobile__nav__toggle .icon__ham[data-visible] {
    display: block;
  }


  .mobile__nav__toggle .icon__close[data-visible] {
    display: block;
  }


  .mobile__nav__toggle .icon__close {
    display: none;
    z-index: 100;
    position: relative;
  }

  .mobile__nav__toggle .icon__ham {
    display: none;
    z-index: 100;
    position: relative;
  }

}

/* Testimonial */

.testimonial__container{
  text-align: center;
}

.testimonial__slider {
  width: 100%;
  overflow: hidden;
  white-space: nowrap;
  display: grid;
  grid-template-columns: repeat(4, minmax(500px, 1fr));
  gap: var(--size-100);
}

.testimonial__slide {
  text-align: center;
  padding: 4em 20px;
  box-sizing: border-box;
  background-color: var(--clr-neutral-100);
  border-radius: 10px;
  max-width: 418px;
  margin: 20px 0;
  transition: transform 0.5s ease;
  box-shadow: rgba(0, 0, 0, 0.05) 0px 6px 24px 0px, rgba(0, 0, 0, 0.08) 0px 0px 0px 1px;
  animation: slide 15s infinite ease-in;
  position: relative;
}

.testimonial__icon{
  width: 75px;
  height: 75px;
  position: absolute;
  left: 40%;
  top: -10%;
}

.testimonial__author{
  margin-top: 4em;
  color: var(--clr-primary-400);
  font-weight: var(--fw-bold);
  font-size: var(--fs-600);
}

.testimonial__text{
  max-width: 600px;
  text-wrap: wrap;
  color: var(--clr-primary-400);
}

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