style.css

/* Custom properties */

:root {
    --spacer: 1rem;

    --clr-neutral-900: #171717;
    --clr-neutral-700: #333;
    --clr-neutral-300: #cfcfcf;
    --clr-neutral-100: #fff;
    --clr-accent-400: #59e89c;
    --clr-accent-500: #00986a;

    --ff-primary: "PT Sans", sans-serif;

    --fs-700: 2.25rem;
    --fs-600: 1.5rem;
    --fs-500: 1.25rem;
    --fs-400: 1.125rem;
    --fs-300: 0.9375rem;

    --fw-700: 700;
    --fw-400: 400;

    --box-shadow: 0 0.25em 1.5em rgba(0, 0, 0, 0.15);
}

/* reset */

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

h1,
.h1,
h2,
.h2,
h3,
.h3,
h4,
.h4 {
    line-height: 1.2;
}

h1,
h2,
h3,
p {
    margin: 0;
}

ul[class],
ol[class] {
    list-style: none;
    padding: 0;
}

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

/* Utility classes */
.flow-content > * + * {
    margin-top: var(--flow-space, var(--spacer));
}

.flow-content--large {
    --flow-space: 3rem;
}

.container {
    padding: 0 var(--spacer);
    max-width: 70rem;
    margin: 0 auto;
}

.split {
    display: flex;
    flex-direction: column;
    /* gap: var(--spacer); */
}

.split > * + * {
    margin: calc(var(--spacer) * 3) 0 0 0;
}

@media (min-width: 40em) {
    .split {
        flex-direction: row;
        justify-content: space-between;
    }

    .split > * {
        flex-basis: 100%;
    }

    .split > * + * {
        margin: 0 0 0 var(--gap, var(--spacer));
    }
}

.a-center {
    align-items: center;
}

.shadow {
    box-shadow: var(--box-shadow);
}

.shadow:hover {
    filter: blur(1px);
    -webkit-filter: blur(1px);
}

[class*="bg-"] {
    color: var(--fg, red);
    background: var(--bg, purple);
}

.bg-dark {
    --fg: var(--clr-neutral-100);
    --bg: var(--clr-neutral-900);
    --accent: var(--clr-accent-400);
}

.bg-accent {
    --fg: var(--clr-neutral-900);
    --bg: var(--clr-accent-400);
    --accent: var(--clr-neutral-100);
}

.bg-light {
    --fg: var(--clr-neutral-900);
    --bg: var(--clr-neutral-100);
    --accent: var(--clr-accent-400);
}

/* .bg-dark {
  color: var(--clr-neutral-100);
  background: var(--clr-neutral-900);
} */

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

.corner-square {
    position: relative;
}

.corner-square:nth-of-type(2n) {
    --accent: var(--clr-neutral-900);
}

.corner-square::before {
    content: "";
    display: block;
    width: 5rem;
    height: 5rem;
    background: var(--accent, var(--clr-accent-400));
    position: absolute;
    left: -0.5em;
    top: -0.5em;
    z-index: -1;
}

/* general styling */

body {
    font-family: var(--ff-primary);
    font-size: var(--fs-500);
    font-weight: var(--fw-400);
    color: var(--clr-neutral-900);
    margin: 0;
    line-height: 1.6;
}

h2,
.h2 {
    font-size: var(--fs-700);
    font-weight: var(--fw-700);
}

a {
    color: var(--clr-accent-500);
    text-decoration: none;
    font-weight: var(--fw-700);
}

.page-heading {
    font-weight: var(--fw-400);
}

.section-title {
    display: inline-block;
    font-size: var(--fs-300);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: var(--fg, var(--clr-neutral-900));
    color: var(--accent, var(--clr-accent-400));
    padding: 0.25em 0.5em;
}

.btn {
    display: inline-block;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    font-weight: 700;
    font-size: 1.125rem;
    color: inherit;
    padding: 0.75em 1.5em;
    background-color: var(--accent, var(--clr-accent-400));
    color: var(--fg, var(--clr-neutral-900));
    transition: all 0.3s ease;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -ms-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
}

.btn:hover {
    outline: 3px solid var(--clr-accent-400);
    background: none;
}

.btn-primary {
    background-color: var(--accent, var(--clr-accent-400));
    color: var(--fg, var(--clr-neutral-900));
}

/* navigation */

header {
    padding: var(--spacer) 0;
}

@media (min-width: 40em) {
    header {
        position: sticky;
        z-index: 1000;
        top: 0;
    }
}

.logo {
    max-width: 3rem;
}

.nav-list {
    display: flex;
    justify-content: center;
    gap: 2em;
}

.nav-list a {
    font-size: 1rem;
    text-decoration: none;
    color: var(--clr-neutral-100);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.nav-list a:hover {
    color: var(--clr-accent-400);
}

/* general layout */
section {
    padding: 4.125rem 0;
}

@media (min-width: 40em) {
    section {
        padding: 8.125rem 0;
    }
}

/* individual sections */

.hero {
    --gap: 3rem;
}

.hero img {
    transform: translateY(2em);
}

@media (min-width: 40em) {
    .hero {
        padding: 0;
    }
}

.cta {
    background-size: cover;
    background-blend-mode: multiply;
    text-align: center;
}

.cta.bg-accent {
    background-image: url(assets/cta-bg-1.jpg);
}

.cta.bg-light {
    background-image: url(assets/cta-bg-2.jpg);
}

.testimonials {
    --gap: 4rem;
    text-align: center;
}

.testimonial {
    text-align: left;
    padding: calc(var(--spacer) * 2);
}

.testimonial > p:first-of-type {
    font-style: italic;
}

.testimonial .name {
    font-weight: var(--fw-700);
    margin-top: 4rem;
    color: var(--accent);
}

/* .testimonial.bg-accent {
  --accent: var(--clr-neutral-900);
} */