/* Kerf Metals: top bar + desktop header
   Expected order:
   Top bar: social icons | utility navigation
   Main header: logo | search | primary navigation | CTA
*/

:root {
  --kerf-graphite: #0e1011;
  --kerf-steel: #343a3e;
  --kerf-orange: #e83317;
  --kerf-warm-white: #f3f2ef;
  --kerf-white: #ffffff;
  --kerf-border: #d8dbdc;
  --kerf-container: 1280px;
  --kerf-topbar-height: 38px;
  --kerf-header-height: 88px;
}

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

.kerf-site-header {
  position: relative;
  z-index: 1000;
  width: 100%;
  background: var(--kerf-white);
  font-family: Arial, Helvetica, sans-serif;
}

.kerf-container {
  width: min(calc(100% - 48px), var(--kerf-container));
  margin-inline: auto;
}

/* Top bar */
.kerf-topbar {
  min-height: var(--kerf-topbar-height);
  color: var(--kerf-white);
  background: var(--kerf-graphite);
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.kerf-topbar__inner {
  min-height: var(--kerf-topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.kerf-socials,
.kerf-utility-nav,
.kerf-primary-nav {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.kerf-socials {
  gap: 8px;
}

.kerf-socials a {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  color: var(--kerf-white);
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 50%;
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.kerf-socials a:hover,
.kerf-socials a:focus-visible {
  color: var(--kerf-graphite);
  border-color: var(--kerf-orange);
  background: var(--kerf-orange);
}

.kerf-socials svg {
  width: 13px;
  height: 13px;
  fill: currentColor;
}

.kerf-utility-nav {
  gap: 22px;
}

.kerf-utility-nav a {
  color: rgba(255, 255, 255, 0.76);
  text-decoration: none;
  transition: color 180ms ease;
}

.kerf-utility-nav a:hover,
.kerf-utility-nav a:focus-visible {
  color: var(--kerf-orange);
}

/* Main header */
.kerf-main-header {
  min-height: var(--kerf-header-height);
  border-bottom: 1px solid var(--kerf-border);
  background: var(--kerf-white);
}

.kerf-main-header__inner {
  min-height: var(--kerf-header-height);
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(20px, 2.2vw, 36px);
}

.kerf-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.kerf-logo img {
  display: block;
  width: auto;
  max-width: 180px;
  max-height: 50px;
}

.kerf-search-button,
.kerf-menu-toggle {
  display: grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  color: var(--kerf-graphite);
  border: 1px solid var(--kerf-border);
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.kerf-search-button:hover,
.kerf-search-button:focus-visible,
.kerf-menu-toggle:hover,
.kerf-menu-toggle:focus-visible {
  color: var(--kerf-white);
  border-color: var(--kerf-orange);
  background: var(--kerf-orange);
}

.kerf-search-button svg,
.kerf-menu-toggle svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.kerf-primary-nav {
  justify-content: flex-end;
  gap: clamp(18px, 2vw, 32px);
}

.kerf-primary-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: var(--kerf-header-height);
  color: var(--kerf-graphite);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.035em;
  text-decoration: none;
  text-transform: uppercase;
}

.kerf-primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  background: var(--kerf-orange);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 200ms ease;
}

.kerf-primary-nav a:hover::after,
.kerf-primary-nav a:focus-visible::after,
.kerf-primary-nav .current-menu-item > a::after {
  transform: scaleX(1);
  transform-origin: left;
}

.kerf-header-cta {
  display: inline-flex;
  min-height: 48px;
  padding: 0 24px;
  align-items: center;
  justify-content: center;
  color: var(--kerf-white);
  border: 2px solid var(--kerf-orange);
  background: var(--kerf-orange);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 180ms ease, background 180ms ease;
}

.kerf-header-cta:hover,
.kerf-header-cta:focus-visible {
  color: var(--kerf-orange);
  background: transparent;
}

.kerf-menu-toggle {
  display: none;
}

/* Tablet and mobile */
@media (max-width: 1050px) {
  .kerf-main-header__inner {
    grid-template-columns: auto auto 1fr auto;
  }

  .kerf-primary-nav {
    display: none;
  }

  .kerf-menu-toggle {
    display: grid;
    justify-self: end;
  }

  .kerf-header-cta {
    grid-column: 4;
    grid-row: 1;
  }
}

@media (max-width: 700px) {
  :root {
    --kerf-header-height: 72px;
  }

  .kerf-container {
    width: min(calc(100% - 32px), var(--kerf-container));
  }

  .kerf-topbar__inner {
    padding-block: 7px;
  }

  .kerf-utility-nav {
    gap: 12px;
    font-size: 10px;
  }

  .kerf-utility-nav li:nth-child(2) {
    display: none;
  }

  .kerf-main-header__inner {
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 10px;
  }

  .kerf-logo img {
    max-width: 145px;
    max-height: 42px;
  }

  .kerf-search-button {
    grid-column: 2;
  }

  .kerf-menu-toggle {
    grid-column: 3;
  }

  .kerf-header-cta {
    display: none;
  }
}

@media (max-width: 430px) {
  .kerf-utility-nav li:not(:last-child) {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .kerf-site-header *,
  .kerf-site-header *::before,
  .kerf-site-header *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* Search panel */
.kerf-search-panel {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  z-index: 20;
  padding: 24px 0;
  border-bottom: 1px solid var(--kerf-border);
  background: var(--kerf-white);
  box-shadow: 0 16px 35px rgba(14, 16, 17, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition:
    opacity 180ms ease,
    visibility 180ms ease,
    transform 180ms ease;
}

.kerf-search-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.kerf-search-panel__inner {
  display: flex;
  align-items: center;
  gap: 16px;
}

.kerf-search-panel .search-form {
  display: flex;
  width: 100%;
  gap: 10px;
}

.kerf-search-panel .search-field {
  width: 100%;
  min-height: 50px;
  padding: 0 18px;
  color: var(--kerf-graphite);
  border: 1px solid var(--kerf-border);
  border-radius: 0;
  background: var(--kerf-white);
  font: inherit;
}

.kerf-search-panel .search-field:focus {
  border-color: var(--kerf-orange);
  outline: 2px solid rgba(232, 51, 23, 0.15);
  outline-offset: 0;
}

.kerf-search-panel .search-submit {
  min-height: 50px;
  padding: 0 24px;
  color: var(--kerf-white);
  border: 2px solid var(--kerf-orange);
  border-radius: 0;
  background: var(--kerf-orange);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.kerf-search-close {
  display: grid;
  width: 50px;
  height: 50px;
  flex: 0 0 50px;
  padding: 0;
  place-items: center;
  color: var(--kerf-graphite);
  border: 1px solid var(--kerf-border);
  background: transparent;
  cursor: pointer;
}

.kerf-search-close svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.kerf-search-close:hover,
.kerf-search-close:focus-visible {
  color: var(--kerf-white);
  border-color: var(--kerf-orange);
  background: var(--kerf-orange);
}

/* Mobile navigation */
@media (max-width: 1050px) {
  .kerf-primary-navigation {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    z-index: 15;
    max-height: calc(100vh - 126px);
    padding: 0 24px;
    overflow-y: auto;
    border-bottom: 1px solid var(--kerf-border);
    background: var(--kerf-white);
    box-shadow: 0 16px 35px rgba(14, 16, 17, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition:
      opacity 180ms ease,
      visibility 180ms ease,
      transform 180ms ease;
  }

  .kerf-primary-navigation.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .kerf-primary-navigation.is-open .kerf-primary-nav {
    display: block;
    width: min(100%, var(--kerf-container));
    margin: 0 auto;
    padding: 16px 0 24px;
  }

  .kerf-primary-nav li {
    width: 100%;
  }

  .kerf-primary-nav a {
    width: 100%;
    min-height: 52px;
    border-bottom: 1px solid var(--kerf-border);
  }

  .kerf-primary-nav a::after {
    display: none;
  }

  .kerf-menu-toggle.is-active .kerf-menu-line--one {
    transform: translate(3px, 3px) rotate(45deg);
  }

  .kerf-menu-toggle.is-active .kerf-menu-line--two {
    opacity: 0;
  }

  .kerf-menu-toggle.is-active .kerf-menu-line--three {
    transform: translate(3px, -3px) rotate(-45deg);
  }

  .kerf-menu-line {
    transform-origin: center;
    transition: transform 180ms ease, opacity 180ms ease;
  }
}

@media (max-width: 700px) {
  .kerf-search-panel {
    padding: 16px 0;
  }

  .kerf-search-panel .search-form {
    display: grid;
    grid-template-columns: 1fr auto;
  }

  .kerf-search-panel .search-submit {
    padding-inline: 16px;
  }
}


/* =========================================================
   KERF METALS NAVIGACIJA
   ========================================================= */

:root {
    --kerf-red: #ed321e;
    --kerf-nav-height: 92px;
}

/* Header mora dozvoliti prikaz dropdowna */
.kerf-site-header,
.kerf-header-main,
.kerf-header-inner,
.kerf-primary-nav {
    overflow: visible !important;
}

/* Glavni meni */
.kerf-primary-nav {
    position: relative;
    z-index: 999;
}

.kerf-primary-nav > ul {
    display: flex;
    align-items: stretch;
    gap: 38px;
    height: var(--kerf-nav-height);
    margin: 0;
    padding: 0;
    list-style: none;
}

.kerf-primary-nav > ul > li {
    position: relative;
    display: flex;
    align-items: stretch;
    margin: 0;
    padding: 0;
}

/* Linkovi glavnog nivoa */
.kerf-primary-nav > ul > li > a {
    position: relative;
    display: flex;
    align-items: center;
    min-height: var(--kerf-nav-height);
    padding: 0;
    color: #171717;
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
    text-transform: uppercase;
    white-space: nowrap;
    transition: color 0.25s ease;
}

.kerf-primary-nav > ul > li > a:hover,
.kerf-primary-nav > ul > li:focus-within > a {
    color: var(--kerf-red);
}

/* Jedinstvena donja linija za hover i aktivnu stavku */
.kerf-primary-nav > ul > li > a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--kerf-red);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.25s ease;
}

.kerf-primary-nav > ul > li:hover > a::after,
.kerf-primary-nav > ul > li:focus-within > a::after,
.kerf-primary-nav > ul > li.current-menu-item > a::after,
.kerf-primary-nav > ul > li.current-menu-parent > a::after,
.kerf-primary-nav > ul > li.current-menu-ancestor > a::after {
    transform: scaleX(1);
}

/* Aktivna stavka */
.kerf-primary-nav > ul > li.current-menu-item > a,
.kerf-primary-nav > ul > li.current-menu-parent > a,
.kerf-primary-nav > ul > li.current-menu-ancestor > a {
    color: var(--kerf-red);
    border: 0 !important;
    text-decoration: none !important;
}

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

.kerf-primary-nav .sub-menu {
    position: absolute;
    top: 100%;
    left: -22px;
    z-index: 1000;

    display: block;
    width: max-content;
    min-width: 250px;
    margin-top: -2px;
    padding: 10px 0;

    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);

    list-style: none;
    background: #ffffff;
    border-top: 3px solid var(--kerf-red);
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.14);

    transition:
        opacity 0.2s ease,
        transform 0.2s ease,
        visibility 0.2s ease;
}

/* Otvaranje dropdowna */
.kerf-primary-nav li:hover > .sub-menu,
.kerf-primary-nav li:focus-within > .sub-menu,
.kerf-primary-nav li.is-open > .sub-menu {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

/* Dropdown stavke */
.kerf-primary-nav .sub-menu li {
    position: relative;
    display: block;
    margin: 0;
    padding: 0;
}

.kerf-primary-nav .sub-menu li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 46px;
    padding: 12px 22px;

    color: #1b1b1b;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.35;
    text-transform: uppercase;
    white-space: nowrap;

    border: 0 !important;
    background: transparent;
    transition:
        color 0.2s ease,
        background-color 0.2s ease,
        padding-left 0.2s ease;
}

/* Uklanja liniju sa dropdown linkova */
.kerf-primary-nav .sub-menu li a::after {
    display: none !important;
}

.kerf-primary-nav .sub-menu li:hover > a,
.kerf-primary-nav .sub-menu li.current-menu-item > a {
    color: var(--kerf-red);
    background: #f7f7f7;
    padding-left: 27px;
}

/* Strelica pored SERVICES */
.kerf-primary-nav .menu-item-has-children > a {
    gap: 7px;
}

.kerf-primary-nav > ul > .menu-item-has-children > a::before {
    content: "";
    width: 6px;
    height: 6px;
    margin-top: -4px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.2s ease;
}

.kerf-primary-nav > ul > .menu-item-has-children:hover > a::before,
.kerf-primary-nav > ul > .menu-item-has-children:focus-within > a::before {
    margin-top: 3px;
    transform: rotate(225deg);
}

/* Dropdown drugog nivoa, ako ga kasnije dodaš */
.kerf-primary-nav .sub-menu .sub-menu {
    top: -10px;
    left: 100%;
}

/* =========================================================
   MOBILNA NAVIGACIJA
   ========================================================= */

@media (max-width: 991px) {
    .kerf-primary-nav > ul {
        display: block;
        height: auto;
    }

    .kerf-primary-nav > ul > li {
        display: block;
    }

    .kerf-primary-nav > ul > li > a {
        min-height: 50px;
        padding: 0 18px;
    }

    .kerf-primary-nav > ul > li > a::after {
        right: 18px;
        bottom: 0;
        left: 18px;
    }

    .kerf-primary-nav .sub-menu {
        position: static;
        width: 100%;
        min-width: 0;
        padding: 0;

        display: none;
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        transform: none;

        border-top: 1px solid #e7e7e7;
        box-shadow: none;
        background: #f7f7f7;
    }

    .kerf-primary-nav li:hover > .sub-menu,
    .kerf-primary-nav li:focus-within > .sub-menu,
    .kerf-primary-nav li.is-open > .sub-menu {
        display: block;
    }

    .kerf-primary-nav .sub-menu li a {
        min-height: 44px;
        padding: 11px 32px;
        white-space: normal;
    }
}

/* =========================================================
   ISPRAVKA POZICIJE DROPDOWNA
   ========================================================= */

/* SERVICES je osnova za pozicioniranje svog dropdowna */
.kerf-primary-nav li.menu-item-has-children {
    position: relative !important;
}

/* Dropdown centriran ispod SERVICES */
.kerf-primary-nav > ul > li.menu-item-has-children > .sub-menu {
    top: 100% !important;
    right: auto !important;
    left: 50% !important;

    width: max-content;
    min-width: 255px;
    margin: 0 !important;

    transform: translate(-50%, 8px) !important;
}

/* Otvoren dropdown */
.kerf-primary-nav > ul > li.menu-item-has-children:hover > .sub-menu,
.kerf-primary-nav > ul > li.menu-item-has-children:focus-within > .sub-menu,
.kerf-primary-nav > ul > li.menu-item-has-children.is-open > .sub-menu {
    transform: translate(-50%, 0) !important;
}

/* Malo čistiji izgled stavke */
.kerf-primary-nav > ul > li.menu-item-has-children > .sub-menu > li > a {
    padding: 16px 24px;
}

/* Mobilni prikaz ostaje preko cele širine */
@media (max-width: 991px) {
    .kerf-primary-nav > ul > li.menu-item-has-children > .sub-menu {
        position: static !important;
        width: 100%;
        min-width: 0;
        transform: none !important;
    }
}

/* Linkovi prvog nivoa */
#kerf-primary-menu > li > a {
    position: relative;
}

/* Aktivna glavna stranica i roditelj aktivne podstranice */
#kerf-primary-menu > li.current-menu-item > a::after,
#kerf-primary-menu > li.current-menu-parent > a::after,
#kerf-primary-menu > li.current-menu-ancestor > a::after {
    content: "" !important;
    position: absolute !important;
    right: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    display: block !important;
    width: 100% !important;
    height: 3px !important;
    opacity: 1 !important;
    visibility: visible !important;
    background-color: #ed321e !important;
    transform: scaleX(1) !important;
}