/*-------------------------------------------------------------------------------------------------------------------*/
/* Layout: Frames and Flows */
body {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    background-color: var(--color-section-gray);
}

.flow-h {
    display: flex;
    flex-direction: row;
    width: 100%;
    max-width: var(--size-max-width-content);
    align-items: center;
    position: relative;
    justify-content: space-between;
    flex: 0 0 auto;
}

.flow-hw {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    max-width: var(--size-max-width-content);
    align-items: center;
    position: relative;
    gap: var(--size-medium) var(--size-medium);
    flex: 0 0 auto;
}

.flow-v {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: var(--size-max-width-content);
    align-items: center;
    position: relative;
    justify-content: space-between;
    flex: 0 0 auto;
}

.text-flow {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--size-small);
    position: relative;
    align-self: stretch;
    width: 100%;
    flex: 0 0 auto;
}


/*-------------------------------------------------------------------------------------------------------------------*/
/* Texts */
.text-primary {
    position: relative;
    align-self: stretch;
    color: var(--color-text-default-primary);
    font-weight: var(--body-base-font-weight);
    font-size: var(--body-base-font-size);
    letter-spacing: var(--body-base-letter-spacing);
    line-height: 180%;
}

.text-secondary {
    position: relative;
    align-self: stretch;
    color: var(--color-text-default-secondary);
    font-weight: var(--body-base-font-weight);
    font-size: var(--body-base-font-size);
    letter-spacing: var(--body-base-letter-spacing);
    line-height: var(--body-base-line-height);
}

.heading {
    position: relative;
    align-self: stretch;
    text-align: center;
    color: var(--color-text-default-primary);
    font-weight: var(--heading-font-weight);
    font-size: var(--heading-font-size);
    letter-spacing: var(--heading-letter-spacing);
    line-height: var(--heading-line-height);
}

.subheading {
    position: relative;
    align-self: stretch;
    text-align: center;
    color: var(--color-text-default-secondary);
    font-weight: var(--subheading-font-weight);
    font-size: var(--subheading-font-size);
    letter-spacing: var(--subheading-letter-spacing);
    line-height: var(--subheading-line-height);
}

.text-h3 {
    position: relative;
    color: var(--color-text-default-primary);
    font-weight: var(--h3-font-weight);
    font-size: var(--h3-font-size);
    letter-spacing: var(--h3-letter-spacing);
    line-height: var(--h3-line-height);
}

.text-h4 {
    position: relative;
    padding: 0 0 var(--size-small);
    color: var(--color-text-default-primary);
    font-weight: var(--h4-font-weight);
    font-size: var(--h4-font-size);
    letter-spacing: var(--h4-letter-spacing);
    line-height: var(--h4-line-height);
}

.text-card {
    color: var(--color-primitives-white-1000);
    font-size: var(--card-font-size);
}


/*-------------------------------------------------------------------------------------------------------------------*/
/* Lists */
.text-link-list {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--size-small);
}

.text-link-list ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--size-small);
}

.list-item {
    text-decoration: none;
    color: var(--color-text-default-primary);
    font-weight: var(--body-base-font-weight);
    font-size: var(--body-base-font-size);
    letter-spacing: var(--body-base-letter-spacing);
    line-height: var(--body-base-line-height);
    transition: color 0.2s ease;
}

.list-item:hover {
    color: var(--color-alphasirius-gold);
}


/*-------------------------------------------------------------------------------------------------------------------*/
/* Buttons */
.button {
    all: unset;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    gap: var(--size-small);
    padding: var(--size-small);
    border-radius: var(--size-border);
    position: relative;
    flex: 0 0 auto;
    overflow: hidden;
    cursor: pointer;
    transition: opacity 0.3s ease, transform 0.3s ease;
    font-weight: var(--button-font-weight);
    font-size: var(--button-font-size);
    letter-spacing: var(--button-letter-spacing);
    line-height: var(--button-line-height);
    white-space: nowrap;
    color: currentColor;
}

.button-dark {
    background-color: var(--color-alphasirius-dark);
    color: var(--color-alphasirius-gold);
}

.button-light {
    background-color: var(--color-alphasirius-gold);
    color: var(--color-alphasirius-dark);
}

.button:hover {
    opacity: var(--button-hover-opacity);
    transform: translateY(-2px);
    will-change: transform;
}

.img-button {
    width: 1rem;
    height: 1rem;
    fill: currentColor;
}

.text-button {
    position: relative;
    width: fit-content;
}


/*-------------------------------------------------------------------------------------------------------------------*/
/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: var(--size-small);
    position: sticky; /*sticky vs. relative*/
    top: 0;
    z-index: 1000;
    align-self: stretch;
    width: 100%;
    flex: 0 0 auto;
    background-color: var(--color-alphasirius-dark);
}

.header a {
    text-decoration: none;
}

.logo-horizontal {
    position: relative;
    height: var(--size-logo-height);
    user-select: none;
}

#menu-toggle {
    display: none;
}

.menu-icon {
    display: none;
    font-size: var(--size-social-icons);
    cursor: pointer;
    user-select: none;
    color: var(--color-alphasirius-gold);
}

nav .nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--size-medium);
    color: var(--color-alphasirius-gold);
}

.nav-desktop a:hover {
    opacity: var(--button-hover-opacity);
    transform: translateY(-2px);
    will-change: transform;
}

nav .nav-mobile {
    display: none;
}


/*-------------------------------------------------------------------------------------------------------------------*/
/* Footer */
.footer {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: none;
    align-items: center;
    gap: var(--size-medium);
    padding: var(--size-medium) var(--size-medium) var(--size-small);
    position: relative;
    flex: 0 0 auto;
    background-color: #ffffff;
}

.footer-flow {
    flex-wrap: wrap;
    max-width: var(--size-max-width-content);
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--size-medium);
    padding: var(--size-small);
    width: 100%;
    flex: 0 0 auto;
    display: flex;
    position: relative;
}

.footer-about-flow {
    width: 100%;
    max-width: 30rem;
    gap: var(--size-small);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
}

.social-icons {
    margin-top: -0.5rem;
}

.social-icons a {
    margin: 0 var(--size-small) var(--size-small);
    display: inline-flex;
    transition: color 0.3s, transform 0.3s;
}

.social-icons a .icon {
    width: var(--size-social-icons);
    height: var(--size-social-icons);
    fill: var(--color-alphasirius-dark);
    transition: fill 0.3s, transform 0.3s;
}

.social-icons a:hover .icon {
    transform: scale(1.1);
    will-change: transform;
}

.social-icons a[aria-label="Instagram"]:hover .icon { fill: #E1306C; }
.social-icons a[aria-label="Facebook"]:hover  .icon { fill: #0866FF; }
.social-icons a[aria-label="YouTube"]:hover   .icon { fill: #FF0033; }
.social-icons a[aria-label="LinkedIn"]:hover  .icon { fill: #0A66C2; }
.social-icons a[aria-label="Email"]:hover     .icon { fill: #284668; }
.social-icons a[aria-label="WhatsApp"]:hover  .icon { fill: #25D366; }

.copyright-info {
    position: relative;
    align-self: stretch;
    text-align: center;
    color: var(--color-text-default-secondary);
    font-weight: var(--body-base-font-weight);
    font-size: var(--body-base-font-size);
    letter-spacing: var(--body-base-letter-spacing);
    line-height: var(--body-base-line-height);
}