/* ------------------------------------------------------------------
   Site header — theme yellow (#ebc831) + primary navy (#052651), mobile drawer
   ------------------------------------------------------------------ */

/* Reserve space for fixed header — header.js sets --header-height on :root */
html {
    scroll-padding-top: var(--header-height);
}

body {
    padding-top: var(--header-height);
}

:root {
    --header-primary: #052651;
    --header-primary-soft: rgba(5, 38, 81, 0.12);
    --header-accent: #ebc831;
    --header-accent-dark: #c9a41a;
    --header-accent-soft: rgba(235, 200, 49, 0.35);
    --header-top-bg: linear-gradient(135deg, #f0d24a 0%, var(--header-accent) 48%, #f5e078 100%);
    --header-bar-bg: linear-gradient(135deg, #f5dc5c 0%, var(--header-accent) 40%, #f0d24a 100%);
    --header-nav-text: var(--header-primary);
    --header-border: rgba(5, 38, 81, 0.18);
    --header-z: 10050;
    /* Initial guess until header.js measures #site-header (avoid white strip before JS runs) */
    --header-height: 152px;
    --site-header-offset: 152px;

    /*
     * Global hero tokens (one source). Home slider + inner .hero-section read these.
     * Desktop home: fill viewport below header without double-counting body padding.
     */
    --hero-home-height: max(480px, min(880px, calc(100dvh - var(--header-height) - 24px)));
    --hero-home-min: 480px;
    /* No top pad — was showing body bg as a strip under the fixed header */
    --hero-home-pad-top: 0;
    /* Mobile home slider: shorter band so more page fits above the fold */
    --hero-home-height-md: max(300px, min(68svh, calc(100svh - var(--header-height) - 20px)));
    --hero-home-min-md: 300px;
    --hero-home-height-sm: max(260px, min(62svh, calc(100svh - var(--header-height) - 16px)));
    --hero-home-min-sm: 260px;

    /* Inner pages (.hero-section): desktop vs mobile min height */
    --hero-inner-min: 56vh;
    --hero-inner-min-mobile: 60vh;
}

.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: var(--header-z);
    background: var(--header-accent);
    box-shadow: 0 2px 16px rgba(5, 38, 81, 0.15);
    transition: box-shadow 0.2s ease;
}

.site-header.site-header--scrolled {
    box-shadow: 0 8px 28px rgba(5, 38, 81, 0.22);
}

/* Top strip */
.site-header__top {
    background: var(--header-top-bg);
    border-bottom: 1px solid var(--header-border);
}

.site-header__container {
    max-width: 1400px;
    margin: 0 auto;
    padding-left: clamp(12px, 3vw, 28px);
    padding-right: clamp(12px, 3vw, 28px);
}

.site-header__container--top {
    min-height: 42px;
    padding-top: 6px;
    padding-bottom: 6px;
}

.site-header__top-desktop {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.site-header__top-mobile {
    display: none;
}

.site-header__call-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 0 auto;
    padding: 10px 22px;
    border-radius: 999px;
    background: var(--header-primary);
    color: #fff;
    font-weight: 800;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    text-decoration: none;
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 14px rgba(5, 38, 81, 0.25);
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

/* Mobile: navy call pill + repeating shine sweep (see @media max-width 960px) */
@keyframes site-header-call-shine-sweep {
    0% {
        transform: translate3d(-120%, 0, 0) skewX(-16deg);
        opacity: 0;
    }
    8% {
        opacity: 1;
    }
    35% {
        transform: translate3d(220%, 0, 0) skewX(-16deg);
        opacity: 0.95;
    }
    45%,
    100% {
        transform: translate3d(220%, 0, 0) skewX(-16deg);
        opacity: 0;
    }
}

@keyframes site-header-call-gleam {
    0%,
    100% {
        box-shadow:
            0 4px 14px rgba(5, 38, 81, 0.28),
            0 0 0 0 rgba(235, 200, 49, 0);
    }
    45% {
        box-shadow:
            0 5px 18px rgba(5, 38, 81, 0.32),
            0 0 22px 3px rgba(235, 200, 49, 0.42);
    }
    55% {
        box-shadow:
            0 5px 18px rgba(5, 38, 81, 0.32),
            0 0 26px 5px rgba(235, 200, 49, 0.38);
    }
}

/* Mobile call icon: short “ring” wiggle burst, then idle (see @media max-width 960px) */
@keyframes site-header-call-icon-motion {
    0%,
    68% {
        transform: rotate(0deg);
    }
    70% {
        transform: rotate(-16deg);
    }
    73% {
        transform: rotate(13deg);
    }
    76% {
        transform: rotate(-10deg);
    }
    79% {
        transform: rotate(7deg);
    }
    82% {
        transform: rotate(-4deg);
    }
    85%,
    100% {
        transform: rotate(0deg);
    }
}

.site-header__call-btn-icon {
    display: flex;
    color: var(--header-accent);
}

.site-header__contacts {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 18px;
}

.site-header__contact {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--header-primary);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    opacity: 0.92;
    transition: opacity 0.15s ease, color 0.15s ease;
}

.site-header__contact:hover {
    opacity: 1;
    color: #021a35;
}

.site-header__contact-icon {
    display: flex;
    color: var(--header-primary);
    flex-shrink: 0;
}

.site-header__contact--pulse .site-header__contact-icon {
    animation: site-header-pulse 2s ease-in-out infinite;
}

@keyframes site-header-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.06); }
}

.site-header__socials {
    display: flex;
    align-items: center;
    gap: 8px;
}

.site-header__social {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--header-border);
    color: var(--header-primary);
    text-decoration: none;
    background: rgba(255, 255, 255, 0.35);
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.site-header__social-icon {
    display: block;
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.site-header__social:hover {
    background: var(--header-primary);
    color: var(--header-accent);
    border-color: var(--header-primary);
}

/* Main bar */
.site-header__bar {
    position: relative;
    z-index: 2;
    background: var(--header-bar-bg);
    border-bottom: 1px solid var(--header-border);
}

.site-header__container--bar {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 64px;
    padding-top: 8px;
    padding-bottom: 8px;
}

/* When drawer is open, taps pass through empty flex space to the drawer below */
.site-header--nav-open .site-header__container--bar {
    pointer-events: none;
}

.site-header--nav-open .site-header__container--bar .site-header__brand,
.site-header--nav-open .site-header__container--bar .site-header__burger,
.site-header--nav-open .site-header__container--bar .site-header__cta,
.site-header--nav-open .site-header__container--bar .site-header__desktop {
    pointer-events: auto;
}

.site-header__brand {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}

.site-header__logo {
    height: 48px;
    width: auto;
    max-width: min(160px, 42vw);
    object-fit: contain;
}

.site-header__desktop {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 0;
}

.site-header__menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 4px 8px;
}

.site-header__menu-link {
    display: block;
    padding: 10px 14px;
    color: var(--header-nav-text);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: 8px;
    border: 1px solid transparent;
    transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.site-header__menu-link:hover {
    color: var(--header-primary);
    background: var(--header-primary-soft);
}

.site-header__menu-link.active {
    color: var(--header-primary);
    border-color: var(--header-border);
    background: rgba(255, 255, 255, 0.45);
    box-shadow: inset 0 0 0 1px rgba(5, 38, 81, 0.08);
}

.site-header__cta {
    flex-shrink: 0;
    padding: 10px 20px;
    border-radius: 999px;
    background: var(--header-primary);
    color: #fff;
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    text-decoration: none;
    border: 2px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 14px rgba(5, 38, 81, 0.25);
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.site-header__cta:hover {
    background: #063a7a;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(5, 38, 81, 0.32);
}

/* Hamburger — keep above drawer stack; large touch target */
.site-header__burger {
    display: none;
    position: relative;
    z-index: 5;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 2px solid var(--header-border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.55);
    color: var(--header-primary);
    cursor: pointer;
    flex-shrink: 0;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.site-header__burger:hover {
    background: #fff;
    border-color: var(--header-primary);
}

.site-header__burger.is-open {
    background: var(--header-primary);
    color: var(--header-accent);
    border-color: var(--header-primary);
}

.site-header__burger-line {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 1px;
    background: currentColor;
    transition: transform 0.22s ease, opacity 0.18s ease;
    transform-origin: center;
    pointer-events: none;
}

.site-header__burger.is-open .site-header__burger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-header__burger.is-open .site-header__burger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.site-header__burger.is-open .site-header__burger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer: closed stays under bar row; open stacks above row so links receive taps */
.site-header__drawer {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 0;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    visibility: hidden;
    background: linear-gradient(180deg, #052651 0%, #063a5c 100%);
    border-bottom: 1px solid rgba(235, 200, 49, 0.35);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
    transition: max-height 0.28s ease, opacity 0.22s ease, visibility 0.22s ease;
}

.site-header--nav-open .site-header__drawer {
    z-index: 20;
    max-height: min(78vh, 520px);
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
}

.site-header__drawer-list {
    list-style: none;
    margin: 0;
    padding: 12px clamp(12px, 3vw, 28px) 20px;
    overflow-y: auto;
    max-height: min(78vh, 520px);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.site-header__drawer-list::-webkit-scrollbar {
    display: none;
}

.site-header__drawer-list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header__drawer-list li:last-child {
    border-bottom: none;
}

.site-header__drawer-link {
    display: block;
    padding: 16px 4px;
    color: #f4f6f9;
    text-decoration: none;
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 0.15s ease, padding-left 0.15s ease;
}

.site-header__drawer-link:hover,
.site-header__drawer-link:focus-visible {
    color: var(--header-accent);
    padding-left: 8px;
}

.site-header__drawer-link.active {
    color: var(--header-accent);
}

/* Lock scroll when menu open (mobile / narrow) */
html.site-nav-locked {
    overflow: hidden;
}

body.site-nav-scroll-locked {
    position: fixed;
    top: var(--site-nav-lock-y, 0);
    left: 0;
    right: 0;
    width: 100%;
    overflow: hidden;
    touch-action: none;
}

@media (max-width: 960px) {
    .site-header__top-desktop {
        display: none;
    }

    .site-header__top-mobile {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
    }

    .site-header__call-btn {
        position: relative;
        overflow: hidden;
        isolation: isolate;
        background: var(--header-primary);
        color: #fff;
        border: 2px solid rgba(255, 255, 255, 0.2);
        box-shadow: 0 4px 14px rgba(5, 38, 81, 0.25);
        animation: site-header-call-gleam 2.75s ease-in-out infinite;
    }

    .site-header__call-btn::before {
        content: '';
        position: absolute;
        top: -20%;
        left: 0;
        width: 45%;
        height: 140%;
        background: linear-gradient(
            90deg,
            transparent 0%,
            rgba(255, 255, 255, 0) 20%,
            rgba(255, 255, 255, 0.18) 48%,
            rgba(255, 255, 255, 0.38) 50%,
            rgba(255, 255, 255, 0.18) 52%,
            rgba(255, 255, 255, 0) 80%,
            transparent 100%
        );
        pointer-events: none;
        z-index: 0;
        animation: site-header-call-shine-sweep 2.6s ease-in-out infinite;
    }

    .site-header__call-btn > span {
        position: relative;
        z-index: 1;
    }

    .site-header__call-btn .site-header__call-btn-icon {
        color: var(--header-accent);
        transform-origin: 50% 88%;
        will-change: transform;
        animation: site-header-call-icon-motion 2.5s ease-in-out infinite;
    }

    .site-header__call-btn:hover .site-header__call-btn-icon {
        animation-play-state: paused;
    }

    .site-header__call-btn:hover {
        background: #063a7a;
        border-color: rgba(255, 255, 255, 0.25);
        transform: translateY(-1px);
        box-shadow:
            0 6px 22px rgba(5, 38, 81, 0.35),
            0 0 28px rgba(235, 200, 49, 0.35);
        animation: site-header-call-gleam 2.75s ease-in-out infinite;
    }

    .site-header__call-btn:hover::before {
        animation-play-state: paused;
        opacity: 0.35;
    }

    .site-header__container--top {
        padding-top: 8px;
        padding-bottom: 8px;
    }

    .site-header__desktop,
    .site-header__cta {
        display: none;
    }

    .site-header__burger {
        display: flex;
    }

    .site-header__container--bar {
        min-height: 58px;
    }

    .site-header__logo {
        height: 44px;
        max-width: 46vw;
    }
}

@media (max-width: 480px) {
    .site-header__contact-text {
        font-size: 0.75rem;
    }

    .site-header__call-btn {
        font-size: 0.82rem;
        padding: 9px 18px;
    }
}

/* First fold: hash scroll only (no negative margin — avoids hero copy under fixed header) */
main > section:first-of-type {
    scroll-margin-top: var(--header-height);
}

@media (prefers-reduced-motion: reduce) {
    .site-header__call-btn {
        animation: none !important;
    }

    .site-header__call-btn::before {
        animation: none !important;
        opacity: 0 !important;
    }

    .site-header__call-btn .site-header__call-btn-icon {
        animation: none !important;
    }
}

/* Print */
@media print {
    .site-header {
        position: static;
        box-shadow: none;
    }

    .site-header__burger,
    .site-header__drawer {
        display: none !important;
    }
}