/* =========================================================
   GROWTH DIGITAL STUDIO
   HEADER — FINAL VERSION
========================================================= */


/* =========================================================
   HEADER
========================================================= */

.site-header {

    position: fixed;

    top: 0;
    left: 0;

    width: 100%;

    z-index: var(--z-header);

    padding: 22px 0;

    border-bottom: 1px solid transparent;

    transition:
        padding var(--transition-smooth),
        background var(--transition-smooth),
        backdrop-filter var(--transition-smooth),
        border-color var(--transition-smooth);

}


/* =========================================================
   SCROLLED HEADER
========================================================= */

.site-header.is-scrolled {

    padding: 12px 0;

    background:
        rgba(8, 9, 13, 0.72);

    backdrop-filter: blur(20px);

    -webkit-backdrop-filter: blur(20px);

    border-bottom-color:
        rgba(255, 255, 255, 0.08);

}


/* =========================================================
   HEADER CONTAINER
========================================================= */

.header-container {

    width:
        min(
            calc(100% - 48px),
            var(--container-width)
        );

    margin-inline: auto;

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 30px;

}


/* =========================================================
   BRAND
========================================================= */

.site-brand {

    display: inline-flex;

    align-items: center;

    gap: 11px;

    flex-shrink: 0;

}


.brand-mark {

    width: 38px;
    height: 38px;

    display: grid;

    place-items: center;

    flex-shrink: 0;

    border-radius: 12px;

    font-family:
        var(--font-heading);

    font-size: 18px;

    font-weight: 800;

    color: #fff;

    background:
        linear-gradient(
            135deg,
            var(--color-primary),
            var(--color-accent)
        );

    box-shadow:
        0 0 30px
        rgba(139, 92, 246, 0.25);

    transition:
        transform var(--transition-normal),
        box-shadow var(--transition-normal);

}


.site-brand:hover .brand-mark {

    transform:
        rotate(-8deg)
        scale(1.08);

    box-shadow:
        0 0 45px
        rgba(139, 92, 246, 0.4);

}


.brand-text {

    display: flex;

    flex-direction: column;

    line-height: 1;

}


.brand-name {

    font-family:
        var(--font-heading);

    font-size: 15px;

    font-weight: 800;

    letter-spacing: -0.02em;

}


.brand-subtitle {

    margin-top: 4px;

    font-size: 9px;

    letter-spacing: 0.18em;

    text-transform: uppercase;

    color:
        var(--color-text-muted);

}


/* =========================================================
   DESKTOP NAVIGATION
========================================================= */

.desktop-nav {

    display: flex;

    align-items: center;

    gap: 5px;

    margin-left: auto;

}


.nav-link {

    position: relative;

    display: inline-flex;

    align-items: center;

    gap: 7px;

    min-height: 42px;

    padding: 0 13px;

    border: 0;

    background: transparent;

    color:
        var(--color-text-secondary);

    font-size: 13px;

    font-weight: 600;

    white-space: nowrap;

    cursor: pointer;

    transition:
        color var(--transition-normal);

}


.nav-link::after {

    content: "";

    position: absolute;

    left: 13px;
    right: 13px;

    bottom: 3px;

    height: 1px;

    transform: scaleX(0);

    transform-origin: right;

    background:
        linear-gradient(
            90deg,
            var(--color-primary),
            var(--color-accent)
        );

    transition:
        transform var(--transition-normal);

}


.nav-link:hover {

    color:
        var(--color-white);

}


.nav-link:hover::after {

    transform: scaleX(1);

    transform-origin: left;

}


/* =========================================================
   DESKTOP SERVICES DROPDOWN
========================================================= */

.nav-dropdown {

    position: static;

}


.nav-dropdown-toggle {

    cursor: pointer;

}


.dropdown-arrow {

    font-size: 13px;

    opacity: 0.7;

    transition:
        transform var(--transition-normal);

}


.nav-dropdown.is-open
.dropdown-arrow {

    transform:
        rotate(180deg);

}


/* =========================================================
   SERVICES DROPDOWN PANEL
========================================================= */

.services-dropdown {

    position: absolute;

    top:
        calc(100% + 12px);

    left: 50%;

    width:
        min(
            calc(100% - 40px),
            1050px
        );

    transform:
        translateX(-50%)
        translateY(15px);

    opacity: 0;

    visibility: hidden;

    pointer-events: none;

    padding: 10px;

    transition:
        opacity var(--transition-normal),
        transform var(--transition-normal),
        visibility var(--transition-normal);

}


.nav-dropdown.is-open
.services-dropdown {

    opacity: 1;

    visibility: visible;

    pointer-events: auto;

    transform:
        translateX(-50%)
        translateY(0);

}


/* =========================================================
   DROPDOWN INNER
========================================================= */

.dropdown-inner {

    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap: 10px;

    padding: 28px;

    border:
        1px solid
        rgba(255,255,255,0.1);

    border-radius: 24px;

    background:
        rgba(12,14,20,0.94);

    backdrop-filter:
        blur(30px);

    -webkit-backdrop-filter:
        blur(30px);

    box-shadow:
        0 30px 100px
        rgba(0,0,0,0.45);

}


.dropdown-column {

    display: flex;

    flex-direction: column;

    align-items: flex-start;

}


.dropdown-label {

    margin-bottom: 14px;

    color:
        var(--color-primary-light);

    font-size: 9px;

    font-weight: 800;

    letter-spacing: 0.18em;

}


.dropdown-column a {

    position: relative;

    padding: 7px 0;

    color:
        var(--color-text-secondary);

    font-size: 12px;

    transition:
        color var(--transition-normal),
        transform var(--transition-normal);

}


.dropdown-column a:hover {

    color: #fff;

    transform:
        translateX(5px);

}


/* =========================================================
   HEADER CTA
========================================================= */

.header-actions {

    flex-shrink: 0;

}


.header-cta {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    gap: 10px;

    min-height: 44px;

    padding: 0 18px;

    border:
        1px solid
        rgba(255,255,255,0.12);

    border-radius: 999px;

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

    color: #fff;

    font-size: 12px;

    font-weight: 700;

    transition:
        transform var(--transition-normal),
        background var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);

}


.header-cta:hover {

    transform:
        translateY(-3px);

    border-color:
        rgba(167,139,250,0.45);

    background:
        rgba(139,92,246,0.12);

    box-shadow:
        0 10px 40px
        rgba(139,92,246,0.15);

}


.cta-arrow {

    font-size: 16px;

    transition:
        transform var(--transition-normal);

}


.header-cta:hover .cta-arrow {

    transform:
        translate(3px,-3px);

}


/* =========================================================
   MOBILE MENU BUTTON
========================================================= */

.mobile-menu-toggle {

    display: none;

    position: relative;

    width: 46px;
    height: 46px;

    flex-shrink: 0;

    padding: 0;

    border:
        1px solid
        rgba(255,255,255,0.1);

    border-radius: 50%;

    background:
        rgba(255,255,255,0.06);

    color: #fff;

    cursor: pointer;

    z-index: 100002;

    -webkit-tap-highlight-color:
        transparent;

    transition:
        background var(--transition-normal),
        border-color var(--transition-normal),
        transform var(--transition-normal);

}


.mobile-menu-toggle:hover {

    background:
        rgba(255,255,255,0.1);

    border-color:
        rgba(255,255,255,0.18);

}


.mobile-menu-toggle:active {

    transform:
        scale(0.94);

}


/* =========================================================
   MOBILE MENU LINES
========================================================= */

.menu-line {

    position: absolute;

    left: 50%;

    width: 20px;

    height: 1.5px;

    border-radius: 999px;

    background: #fff;

    transform:
        translateX(-50%);

    transform-origin: center;

    transition:
        transform 350ms
        cubic-bezier(.22,1,.36,1),
        opacity 250ms ease;

}


.menu-line-1 {
    top: 16px;
}


.menu-line-2 {
    top: 22px;
}


.menu-line-3 {
    top: 28px;
}


/* =========================================================
   MOBILE MENU → X
========================================================= */

.mobile-menu-toggle.is-open
.menu-line-1 {

    transform:
        translateX(-50%)
        translateY(6px)
        rotate(45deg);

}


.mobile-menu-toggle.is-open
.menu-line-2 {

    opacity: 0;

    transform:
        translateX(-50%)
        scaleX(0);

}


.mobile-menu-toggle.is-open
.menu-line-3 {

    transform:
        translateX(-50%)
        translateY(-6px)
        rotate(-45deg);

}


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

.mobile-navigation {

    position: fixed;

    inset: 0;

    z-index: -1;

    display: none;

    width: 100%;

    height: 100dvh;

    overflow-x: hidden;

    overflow-y: auto;

    overscroll-behavior: contain;

    background:
        radial-gradient(
            circle at 70% 10%,
            rgba(139,92,246,0.20),
            transparent 35%
        ),
        radial-gradient(
            circle at 15% 80%,
            rgba(37,99,235,0.12),
            transparent 35%
        ),
        #08090d;

    opacity: 0;

    visibility: hidden;

    pointer-events: none;

    transition:
        opacity 400ms ease,
        visibility 400ms ease;

}


.mobile-navigation.is-open {

    opacity: 1;

    visibility: visible;

    pointer-events: auto;

}


/* =========================================================
   MOBILE NAV INNER
========================================================= */

.mobile-navigation-inner {

    min-height: 100%;

    padding:
        120px
        24px
        35px;

    display: flex;

    flex-direction: column;

}


/* =========================================================
   MOBILE MENU HEADER
========================================================= */

.mobile-menu-header {

    display: flex;

    justify-content: space-between;

    align-items: center;

    margin-bottom: 30px;

    color:
        var(--color-text-muted);

    font-size: 10px;

    letter-spacing: 0.18em;

}


.mobile-menu-number {

    color:
        var(--color-primary-light);

}


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

.mobile-nav {

    display: flex;

    flex-direction: column;

    gap: 0;

}


/* =========================================================
   MOBILE NAV LINK
========================================================= */

.mobile-nav-link {

    position: relative;

    width: 100%;

    min-height: 62px;

    display: grid;

    grid-template-columns:
        35px
        1fr
        auto;

    align-items: center;

    gap: 10px;

    padding: 0;

    border: 0;

    border-bottom:
        1px solid
        rgba(255,255,255,0.08);

    background: transparent;

    color: #fff;

    text-align: left;

    cursor: pointer;

    opacity: 0;

    transform:
        translateY(35px);

    transition:
        color var(--transition-normal),
        background var(--transition-normal);

}


/* =========================================================
   MOBILE LINK ANIMATION
========================================================= */

.mobile-navigation.is-open
.mobile-nav-link {

    animation:
        mobileLinkIn
        650ms
        cubic-bezier(.22,1,.36,1)
        forwards;

}


.mobile-nav-link:nth-child(1) {
    animation-delay: 100ms;
}


.mobile-nav-link:nth-child(2) {
    animation-delay: 150ms;
}


.mobile-nav-link:nth-child(3) {
    animation-delay: 200ms;
}


.mobile-nav-link:nth-child(4) {
    animation-delay: 250ms;
}


.mobile-nav-link:nth-child(5) {
    animation-delay: 300ms;
}


.mobile-nav-link:nth-child(6) {
    animation-delay: 350ms;
}


.mobile-nav-link:nth-child(7) {
    animation-delay: 400ms;
}


@keyframes mobileLinkIn {

    to {

        opacity: 1;

        transform:
            translateY(0);

    }

}


/* =========================================================
   MOBILE LINK NUMBER
========================================================= */

.mobile-nav-link > span {

    color:
        var(--color-primary-light);

    font-size: 10px;

}


/* =========================================================
   MOBILE LINK TITLE
========================================================= */

.mobile-nav-link strong {

    font-family:
        var(--font-heading);

    font-size:
        clamp(
            1.8rem,
            8vw,
            3rem
        );

    font-weight: 600;

    letter-spacing: -0.04em;

    line-height: 1.1;

    transition:
        color var(--transition-normal);

}


.mobile-nav-link:hover strong {

    color:
        var(--color-primary-light);

}


/* =========================================================
   MOBILE SERVICES WRAPPER
========================================================= */

.mobile-services {

    position: relative;

    display: block;

    width: 100%;

    margin: 0;

    padding: 0;

}


/* =========================================================
   MOBILE SERVICES BUTTON
========================================================= */

.mobile-services-toggle {

    position: relative;

    width: 100%;

    min-height: 62px;

    display: grid;

    grid-template-columns:
        35px
        1fr
        auto;

    align-items: center;

    gap: 10px;

    margin: 0;

    padding: 0;

    border: 0;

    border-bottom:
        1px solid
        rgba(255,255,255,0.08);

    background: transparent;

    color: #fff;

    text-align: left;

    cursor: pointer;

    -webkit-tap-highlight-color:
        transparent;

}


/* =========================================================
   SERVICES NUMBER
========================================================= */

.mobile-services-toggle > span {

    color:
        var(--color-primary-light);

    font-size: 10px;

}


/* =========================================================
   SERVICES TITLE
========================================================= */

.mobile-services-toggle strong {

    font-family:
        var(--font-heading);

    font-size:
        clamp(
            1.8rem,
            8vw,
            3rem
        );

    font-weight: 600;

    letter-spacing: -0.04em;

    line-height: 1.1;

    transition:
        color var(--transition-normal);

}


.mobile-services-toggle:hover strong {

    color:
        var(--color-primary-light);

}


/* =========================================================
   SERVICES PLUS
========================================================= */

.mobile-services-icon {

    display: grid;

    place-items: center;

    width: 30px;
    height: 30px;

    margin-right: 2px;

    padding: 0;

    font-style: normal;

    font-size: 24px;

    line-height: 1;

    color:
        var(--color-primary-light);

    transition:
        transform 350ms
        cubic-bezier(.22,1,.36,1),
        color 250ms ease;

}


/* =========================================================
   SERVICES LIST
   CLOSED = ZERO HEIGHT
========================================================= */

.mobile-services-list {

    display: none;

    width: 100%;

    margin: 0;

    padding: 0;

    overflow: hidden;

}


/* =========================================================
   SERVICES LIST OPEN
========================================================= */

.mobile-services.is-open
.mobile-services-list {

    display: flex;

    flex-direction: column;

    width: 100%;

    margin: 0;

    padding:
        8px 0 14px;

    overflow: visible;

}


/* =========================================================
   SERVICE LINKS
========================================================= */

.mobile-services-list a {

    display: block;

    width: 100%;

    margin: 0;

    padding:
        9px 0 9px 45px;

    color:
        var(--color-text-muted);

    font-size: 13px;

    line-height: 1.4;

    opacity: 0;

    transform:
        translateX(-15px);

    transition:
        opacity 300ms ease,
        transform 350ms ease,
        color 250ms ease;

}


/* =========================================================
   SERVICE LINKS OPEN
========================================================= */

.mobile-services.is-open
.mobile-services-list a {

    opacity: 1;

    transform:
        translateX(0);

}


/* =========================================================
   SERVICES STAGGER
========================================================= */

.mobile-services.is-open
.mobile-services-list a:nth-child(1) {
    transition-delay: 40ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(2) {
    transition-delay: 70ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(3) {
    transition-delay: 100ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(4) {
    transition-delay: 130ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(5) {
    transition-delay: 160ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(6) {
    transition-delay: 190ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(7) {
    transition-delay: 220ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(8) {
    transition-delay: 250ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(9) {
    transition-delay: 280ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(10) {
    transition-delay: 310ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(11) {
    transition-delay: 340ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(12) {
    transition-delay: 370ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(13) {
    transition-delay: 400ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(14) {
    transition-delay: 430ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(15) {
    transition-delay: 460ms;
}

.mobile-services.is-open
.mobile-services-list a:nth-child(16) {
    transition-delay: 490ms;
}


/* =========================================================
   SERVICE LINK HOVER
========================================================= */

.mobile-services-list a:hover {

    color: #fff;

    transform:
        translateX(5px);

}


/* =========================================================
   SERVICES OPEN ICON
========================================================= */

.mobile-services.is-open
.mobile-services-icon {

    transform:
        rotate(45deg);

    color: #fff;

}


/* =========================================================
   MOBILE MENU FOOTER
========================================================= */

.mobile-menu-footer {

    margin-top: auto;

    padding-top: 45px;

    display: flex;

    flex-direction: column;

    gap: 18px;

    color:
        var(--color-text-muted);

    font-size: 10px;

}


.mobile-socials {

    display: flex;

    gap: 8px;

}


.mobile-socials a {

    width: 38px;
    height: 38px;

    display: grid;

    place-items: center;

    border:
        1px solid
        rgba(255,255,255,0.1);

    border-radius: 50%;

    color: #fff;

    font-size: 9px;

    transition:
        transform var(--transition-normal),
        background var(--transition-normal),
        border-color var(--transition-normal);

}


.mobile-socials a:hover {

    transform:
        translateY(-3px);

    background:
        rgba(139,92,246,0.18);

    border-color:
        rgba(139,92,246,0.35);

}


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

@media (max-width: 1050px) {

    .desktop-nav {

        gap: 0;

    }

    .nav-link {

        padding-inline: 8px;

        font-size: 12px;

    }

    .header-cta {

        padding-inline: 14px;

        font-size: 11px;

    }

}


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

@media (max-width: 900px) {

    .desktop-nav,
    .header-actions {

        display: none;

    }


    .mobile-menu-toggle {

        display: block;

    }


    .mobile-navigation {

        display: block;

    }

}


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

@media (max-width: 767px) {

    .site-header {

        padding: 16px 0;

    }


    .site-header.is-scrolled {

        padding: 10px 0;

    }


    .header-container {

        width:
            calc(100% - 36px);

    }


    .brand-mark {

        width: 36px;
        height: 36px;

        border-radius: 11px;

    }


    .brand-name {

        font-size: 14px;

    }


    .brand-subtitle {

        font-size: 8px;

    }


    .mobile-menu-toggle {

        width: 46px;
        height: 46px;

    }


    .mobile-navigation-inner {

        padding:
            110px
            18px
            25px;

    }


    .mobile-menu-header {

        margin-bottom: 25px;

    }


    .mobile-nav-link,
    .mobile-services-toggle {

        min-height: 62px;

    }


    .mobile-nav-link strong,
    .mobile-services-toggle strong {

        font-size:
            clamp(
                1.8rem,
                8vw,
                2.8rem
            );

    }


    .mobile-services-list a {

        padding-left: 45px;

        font-size: 13px;

    }

}


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

@media (max-width: 380px) {

    .header-container {

        width:
            calc(100% - 30px);

    }


    .mobile-navigation-inner {

        padding:
            105px
            15px
            22px;

    }


    .mobile-nav-link strong,
    .mobile-services-toggle strong {

        font-size: 1.8rem;

    }


    .mobile-services-list a {

        padding-left: 40px;

    }

}


/* =========================================================
   ACCESSIBILITY
========================================================= */

@media (prefers-reduced-motion: reduce) {

    .site-header,
    .mobile-menu-toggle,
    .menu-line,
    .mobile-navigation,
    .mobile-nav-link,
    .mobile-services-icon,
    .mobile-services-list a {

        transition: none !important;

        animation: none !important;

    }

}