/* ======================================================
   OTS Web — Shared Styles (style.css)
   Color variables, header/nav/footer/hamburger/mobile-menu
   ====================================================== */

/* ===== Color Variables ===== */
:root {
    --navy: #142a36;
    --wine: #914136;
    --gold: #c69b58;
    --cream: #fcfaf5;
    --text: #26353a;
    --line: #d8d1c3;
}

/* ===== Reset & Base ===== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--cream);
    color: var(--text);
    font-family: 'Noto Sans SC', 'Nunito', sans-serif;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    display: block;
    max-width: 100%;
}

/* ===== Layout Wrapper ===== */
.wrap {
    max-width: 1160px;
    margin: auto;
    padding: 0 22px;
}

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

.top {
    background: #fff;
    border-bottom: 1px solid var(--line);
}

.nav {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* Brand logo */
.brand {
    width: 68px;
    height: 68px;
    overflow: visible;
    display: block;
}

.brand img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

/* Hamburger button */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
    z-index: 100;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Desktop navigation links */
.links {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 14px;
    font-weight: 700;
    color: #465257;
}

.links a.nav-tab:hover {
    color: var(--wine);
}

.visit {
    padding: 11px 17px;
    background: var(--navy);
    color: #fff !important;
    transition: background 0.2s;
}

.visit:hover {
    background: var(--wine);
}

/* Mobile-only visit button — hidden on desktop */
.nav-visit-mobile {
    display: none;
}

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

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.mobile-menu.open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-inner {
    position: absolute;
    top: 0;
    left: 0;
    width: 280px;
    height: 100%;
    background: #fff;
    padding: 70px 24px 24px;
    transform: translateX(-100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.1);
}

.mobile-menu.open .mobile-menu-inner {
    transform: translateX(0);
}

/* Close X button */
.mobile-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: none;
    cursor: pointer;
    z-index: 2;
}

.mobile-close::before,
.mobile-close::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
}

.mobile-close::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.mobile-close::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

/* Menu links */
.mobile-menu-inner a {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--navy);
    border-bottom: 1px solid var(--line);
    transition: color 0.2s, padding-left 0.2s;
}

.mobile-menu-inner a:last-child {
    border-bottom: none;
}

.mobile-menu-inner a:hover {
    color: var(--wine);
    padding-left: 8px;
}

.mobile-menu-inner .visit {
    display: inline-block;
    margin-top: 16px;
    padding: 12px 22px;
    font-size: 14px;
    border: none;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

/* Social icons at bottom of menu */
.mobile-social {
    display: flex;
    gap: 12px;
    margin-top: auto;
    padding-top: 24px;
}

.mobile-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #f5f3ee;
    transition: background 0.2s, transform 0.2s;
    border: none;
    padding: 0;
}

.mobile-social a:hover {
    background: var(--wine);
    transform: scale(1.1);
}

.mobile-social a svg {
    width: 20px;
    height: 20px;
    fill: var(--navy);
    transition: fill 0.2s;
}

.mobile-social a:hover svg {
    fill: #fff;
}

/* ======================================================
   COMMON COMPONENTS
   ====================================================== */

.action {
    display: inline-block;
    padding: 14px 23px;
    background: var(--wine);
    color: #fff !important;
    font-weight: 800;
    letter-spacing: 0.02em;
    transition: background 0.2s;
}

.action:hover {
    background: #af5143;
}

.kicker {
    font-size: 12px;
    font-weight: 900;
    color: var(--wine);
    letter-spacing: 0.14em;
}

.text-link {
    font-size: 14px;
    font-weight: 900;
    color: var(--wine);
    letter-spacing: 0.04em;
}

.text-link:hover {
    text-decoration: underline;
}

/* ======================================================
   FOOTER
   ====================================================== */

.site-footer {
    background: #0D1D25;
    color: #dbe4df;
    padding: 27px 0;
}

.footer-inner {
    max-width: 1160px;
    margin: auto;
    padding: 0 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    font-size: 13px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.footer-social {
    display: flex;
    gap: 16px;
    align-items: center;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    transition: background 0.2s, transform 0.2s;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: scale(1.1);
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.contact-btn {
    display: inline-block;
    padding: 8px 18px;
    background: var(--wine);
    color: #fff !important;
    font-size: 13px;
    font-weight: 700;
    border-radius: 4px;
    transition: background 0.2s, transform 0.2s;
}

.contact-btn:hover {
    background: #af5143;
    transform: translateY(-1px);
}

.footer-logo {
    width: 78px;
    height: 78px;
    overflow: visible;
    background: transparent;
}

.footer-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

/* ======================================================
   RESPONSIVE — mobile breakpoint 720px
   ====================================================== */

@media (max-width: 720px) {
    .nav {
        height: 72px;
    }

    .links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .brand {
        width: 56px;
        height: 56px;
    }

    /* Show mobile-only visit button in header bar */
    .nav-visit-mobile {
        display: block;
        font-weight: 600;
    }

    .site-footer .footer-inner {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .footer-social {
        margin-top: 4px;
    }

    .contact-btn {
        margin-top: 4px;
    }
}

/* --- WhatsApp Member Group --- */
.whatsapp-section{background:#e8f4ed;padding:82px 22px}.whatsapp-inner{max-width:1116px;margin:auto;padding:48px 56px;display:flex;align-items:center;justify-content:space-between;gap:48px;background:#f8fbf8;border:1px solid #c9dfd1}.whatsapp-copy{max-width:610px}.whatsapp-copy .kicker{color:#16834a}.whatsapp-copy h2{margin:10px 0 16px;color:var(--navy);font-size:clamp(32px,4vw,48px);line-height:1.16;letter-spacing:-.06em}.whatsapp-copy p{margin:0 0 28px;color:#566863;line-height:1.85}.whatsapp-join{display:inline-flex;align-items:center;gap:18px;padding:14px 20px;background:#25d366;color:#102a21;font-weight:900}.whatsapp-join span{font-size:20px}.whatsapp-join:hover{background:#70e69a}.whatsapp-note{flex:0 0 245px;min-height:230px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:9px;text-align:center;background:#1e9c58;color:#fff}.whatsapp-icon{width:52px;height:52px;display:grid;place-items:center;border:2px solid rgba(255,255,255,.7);border-radius:50%;font-size:35px;line-height:1}.whatsapp-note strong{font-size:24px;line-height:1.1}.whatsapp-note span{font-size:12px;letter-spacing:.08em}.whatsapp-nav{padding:10px 13px;color:#16834a;font-size:13px;font-weight:800;border:1px solid #a8d8b8}@media(max-width:720px){.whatsapp-section{padding:58px 22px}.whatsapp-inner{padding:35px 26px;display:block}.whatsapp-note{margin-top:30px;min-height:180px}.whatsapp-nav{display:none}}