/* --- CSS RESET --- */

/* 1. Use a more-intuitive box-sizing model */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* 2. Remove default margin */
*:not(dialog) {
    margin: 0;
}

/* 3. Enable keyword animations */
@media (prefers-reduced-motion: no-preference) {
    html {
        interpolate-size: allow-keywords;
    }
}

body {
    /* 4. Add accessible line-height */
    line-height: 1.5;
    /* 5. Improve text rendering */
    -webkit-font-smoothing: antialiased;
}

/* 6. Improve media defaults */
img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
}

/* 7. Inherit fonts for form controls */
input,
button,
textarea,
select {
    font: inherit;
}

/* 8. Avoid text overflows */
p,
h1,
h2,
h3,
h4,
h5,
h6 {
    overflow-wrap: break-word;
}

/* 9. Improve line wrapping */
p {
    text-wrap: pretty;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    text-wrap: balance;
}

/*
  10. Create a root stacking context
*/
#root,
#__next {
    isolation: isolate;
}

/* --- VARIABLES --- */

:root {
    --black: #000;
    --white: #FFF;
    --bg-color: #F9FAFB;
    --primary-green: #22E27C;
    --accent-green: #0BBF6A;
    --accent-purple: #8B5CF6;
    --accent-blue: #6366F1;
    --error-red: #EF4444;
    --fcolor-grey: #393939;

    --fsize-extra-large: 2.75rem;
    --fsize-large: 1.5rem;
    --fsize-regular: 1.25rem;
    --fweight-semibold: 600;
    --fweight-regular: 400;

    --button-height: 3rem;

    --xl-border-radius: 100vw;
    --l-border-radius: 1rem;
    --s-border-radius: .75rem;

    --border-light: solid 2px hsla(0, 0%, 0%, 0.05);
    --shadow-light-top-dark-bottom: inset 0px 5px 5px -5px var(--white), 0px 5px 5px -5px hsla(0, 0%, 0%, 0.5);
    --shadow-dark-bottom: 0px 5px 5px -5px hsla(0, 0%, 0%, 0.5);
    --shadow-semidark-bottom: 0px 5px 5px -5px hsla(0, 0%, 0%, 0.25);
    --svg-shadow: drop-shadow(0px 5px 5px hsla(0, 0%, 0%, 0.125));

    --gap-xl: 4rem;
    --gap-l: 3rem;
    --gap-m: 2rem;
    --gap-s: 1rem;

    --padding-xl: 4rem;
    --padding-l: 3rem;
    --padding-m: 2rem;
    --padding-s: 1rem;

    --fsize-h1: 4.5rem;
    --fsize-h2: 3rem;
    --fsize-h3: 1.5rem;
    --fsize-body-lg: 1.25rem;
    --fsize-body: 1.125rem;
    --fsize-sm: 0.875rem;
    --fsize-xs: 0.75rem;

    --fsize-h1-mobile: 3rem;
    --fsize-h2-mobile: 2rem;
    --fsize-h3-mobile: 1.25rem;
}

/* --- TYPOGRAPHY --- */

/* inter-regular - latin */
@font-face {
    font-display: swap;
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    src: url('./assets/fonts/inter-v20-latin-regular.woff2') format('woff2');
}

/* inter-600 - latin */
@font-face {
    font-display: swap;
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    src: url('./assets/fonts/inter-v20-latin-600.woff2') format('woff2');
}

/* inter-600italic - latin */
@font-face {
    font-display: swap;
    font-family: 'Inter';
    font-style: italic;
    font-weight: 600;
    src: url('./assets/fonts/inter-v20-latin-600italic.woff2') format('woff2');
}

/* --- BASE ELEMENTS --- */

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-color);
    font-family: "Inter", system-ui, -apple-system, Helvetica, sans-serif;
}

nav {
    position: fixed;
    bottom: 1rem;
    display: flex;
    padding: .5rem;
    width: 68px;
    background-color: var(--white);
    border-radius: var(--xl-border-radius);
    box-shadow: var(--shadow-dark-bottom);
    justify-content: space-between;
    border: var(--border-light);
    transition:
        transform 400ms ease,
        width 400ms ease;
    z-index: 1;
    overflow: hidden;
    white-space: no-wrap;
}

footer {
    border-top: var(--border-light);
    width: 100%;
    justify-content: space-between;
    padding: var(--padding-xl) var(--padding-m);
    display: flex;
    gap: var(--gap-m);
}

ul {
    /* border-left: var(--border-light); */
    padding: 0;
    width: fit-content;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

li {
    display: block;
    padding-left: 1rem;
    border-left: var(--border-light);
}

h1 {
    font-size: var(--fsize-h1);
    font-weight: var(--fweight-semibold);
    letter-spacing: -2%;
    line-height: 100%;
}

h2 {
    font-size: var(--fsize-h2);
    font-weight: var(--fweight-semibold);
}

h3 {
    font-size: var(--fsize-h3);
    font-weight: var(--fweight-semibold);
}

p {
    color: var(--fcolor-grey);
    font-size: var(--fsize-body-lg);
}

/* --- LAYOUT ELEMENTS --- */

.full-width {
    width: min(92.5vw, 40rem);
}

.container {
    display: flex;
    gap: var(--gap-m);
}

.section {
    padding: var(--padding-xl) var(--padding-m);
    display: flex;
    gap: var(--gap-m);
    flex-direction: column;
}

.nav-buttons.container {
    justify-content: center;
    align-items: center;
    gap: var(--gap-s);
}

.link-button {
    background-color: var(--primary-green);
    color: var(--white);
    font-weight: var(--fweight-semibold);
    text-shadow: 0px 2px 5px hsla(0, 0%, 0%, 0.25);
    box-shadow: var(--shadow-light-top-dark-bottom);
    padding: .75rem 1rem;
    cursor: pointer;
    width: fit-content;
    border-radius: var(--s-border-radius);
    text-wrap: nowrap;
    transition:
        box-shadow 200ms ease,
        opacity 300ms ease,
        visibility 300ms ease,
        transform 400ms ease;
}

.link-button:hover {
    transform: translateY(-2.5px);
    box-shadow: var(--shadow-dark-bottom);
}

.logo {
    cursor: pointer;
    height: 3rem;
    background-color: #04ff98;
    /* Not primary green, need to change later */
    padding: .25rem;
    border-radius: 100%;
    box-shadow: var(--shadow-light-top-dark-bottom);
}

.hero.section {
    border-top: none;
    text-align: center;
    justify-content: center;
    align-items: center;
    gap: var(--gap-xl);
}

.highlight {
    color: var(--primary-green);
    font-style: italic;
    text-shadow: 1px 2px 10px var(--white);
}

.quote.container {
    flex-direction: column;
    border-radius: var(--l-border-radius);
    padding: var(--padding-m);
    background-color: var(--white);
    border: var(--border-light);
    transition:
        box-shadow 200ms ease,
        transform 400ms ease;
}

.quote.container:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-dark-bottom);
}

.quote.container h3 {
    font-weight: var(--fweight-semibold);
}

.meet.section {
    align-items: center;
}

.avatar.container.l {
    gap: 4rem;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.persona.container {
    flex-direction: column;
    align-items: center;
}

.persona.container div {
    text-align: center;
}

.avatar.img {
    background-color: #e8e8e8;
    border-radius: var(--l-border-radius);
    display: block;
}

.cta.section {
    text-align: center;
}

.cta.container {
    flex-direction: column;
    align-items: center;
    padding: var(--padding-m);
    border-radius: var(--l-border-radius);
    background-image: url(./assets/images/cta-background.webp);
    background-size: cover;
    background-position: center;
    color: var(--white);
    width: 100%;
}

.inner.cta.container {
    border: solid 3px hsla(0, 0%, 100%, 0.1);
    background: none;
    background-color: hsla(0, 0%, 100%, 0.25);
    backdrop-filter: blur(5px);
}

.dark-text-shadow {
    text-shadow: 0px 2px 5px hsl(0, 0%, 0%);
}

.iphone.container {
    justify-content: center;
    position: relative;
}

.background-gradient {
    position: absolute;
    width: min(100%, 20rem);
    height: 100%;
    background: radial-gradient(circle, rgba(130, 104, 236, 1) 0%, rgba(34, 226, 124, 1) 100%);
    filter: blur(50px);
    border-radius: var(--xl-border-radius);
    z-index: -1;
}

.app-description {
    width: min(100%, 30rem);
    z-index: 0;
}

.download-buttons.container {
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.steps.container {
    flex-wrap: wrap;
}

.step.container {
    width: 15rem;
    border-radius: var(--s-border-radius);
    flex-grow: 1;
    flex-direction: column;
    background-color: var(--white);
    border: var(--border-light);
    padding: var(--padding-m);
    transition:
        box-shadow 200ms ease,
        transform 400ms ease;
}

.step.container:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-dark-bottom);
}

.footer.container {
    gap: 0;
}

.left.footer.container,
.right.footer.container {
    gap: 0;
    flex-direction: column;
}

.copyright {
    font-size: 1rem;
}

@media only screen and (max-width: 600px) {
    h1 {
        font-size: var(--fsize-h1-mobile);
    }

    h2 {
        font-size: var(--fsize-h2-mobile);
    }

    h3 {
        font-size: var(--fsize-h3-mobile);
    }

    .section {
        padding: var(--padding-m);
    }

    ul {
        flex-direction: column;
    }
}

#hero-bg-img {
    position: absolute;
    top: 0;
    opacity: 15%;
    width: 100%;
    height: 50%;
    object-fit: cover;
    filter: grayscale(1);
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0));
    z-index: -1;
}

#nav-cta-button {
    border-radius: var(--xl-border-radius);
}

#iphone-mockup {
    width: min(90%, 20rem);
    height: auto;
}

#app-store-download-button,
#google-play-download-button {
    display: flex;
    padding: 1rem 1.5rem;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    text-align: start;
    border-radius: var(--s-border-radius);
}

#app-store-download-button p,
#google-play-download-button p {
    font-size: 1rem;
    color: var(--white);
}

#google-play-download-button {
    background-color: var(--black);
}

.inner.cta.container>.link-button {
    display: block;
    text-wrap: wrap;
}

.b2b-desc {
    font-size: 1rem;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
        /* Move up */
    }

    100% {
        transform: translateY(0);
        /* Move back down */
    }
}

.float {
    animation: float 4s ease-in-out infinite;
    /* 2 seconds duration, infinite loop */
}

nav .link-button,
nav .social-button {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    position: absolute;
}

nav.full-width .link-button,
nav.full-width .social-button {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    position: static;
}