/* =============================================
   NAVBAR.CSS — Floating pill nav
   Override style.css
   ============================================= */

/* ── Header container ── */
header {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 1200px;
    z-index: 1000;
    background: none;
    padding: 0;
    transition: top 0.35s ease;
}

/* ── Pill navbar ── */
header .navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px 8px 12px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1.5px solid rgba(243, 112, 33, 0.18);
    border-radius: 50px;
    box-shadow: 0 4px 24px rgba(180, 90, 10, 0.09), 0 1px 3px rgba(0,0,0,0.04);
    transition: background 0.3s, box-shadow 0.3s, border-color 0.3s;
}

/* Khi scroll */
header.scrolled .navbar {
    background: rgba(255, 255, 255, 0.94);
    border-color: rgba(243, 112, 33, 0.30);
    box-shadow: 0 8px 32px rgba(180, 90, 10, 0.13), 0 2px 6px rgba(0,0,0,0.06);
}

/* ── Logo ── */
.nav-logo {
    height: 40px;
    width: auto;
    border-radius: 10px;
    object-fit: contain;
    flex-shrink: 0;
    display: block;
}

/* ── Menu list (desktop) ── */
.navbar .nav-menu {
    display: flex !important;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0 !important;
    padding-top: 0 !important;
    position: static !important;
    width: auto !important;
    height: auto !important;
    flex-direction: row !important;
    background: none !important;
    box-shadow: none !important;
    left: unset !important;
    top: unset !important;
    transform: none !important;
    border: none !important;
    transition: none !important;
}

/* ── Hamburger – ẩn desktop ── */
#menu-open-button,
#menu-close-button {
    display: none !important;
}

/* ── Hero: full viewport, căn giữa, override style.css ── */
main { padding-top: 0; }

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 0 !important;
}

.hero-section .section-content {
    width: 100%;
    display: flex;
    justify-content: center;
}

/* Override position:absolute từ style.css */
.hero-details {
    position: relative !important;
    top: unset !important;
    left: unset !important;
    transform: none !important;
    text-align: center;
    width: 100%;
    z-index: 2;
    padding: 0 20px;
}

.hero-details .text {
    margin: 12px auto 0;
    text-align: center;
}


/* =============================================
   NAV BUTTON — Fancy fold + floating points
   ============================================= */
.nav-btn {
    --round: 0.55rem;
    cursor: pointer;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    background:
        radial-gradient(65.28% 65.28% at 50% 100%, rgba(255,185,90,0.85) 0%, rgba(255,185,90,0) 100%),
        linear-gradient(0deg, #f37021, #f37021);
    border-radius: var(--round);
    border: none;
    outline: none;
    padding: 7px 15px;
    text-decoration: none;
}

.nav-btn::before,
.nav-btn::after {
    content: "";
    position: absolute;
    inset: var(--space);
    transition: all 0.5s ease-in-out;
    border-radius: calc(var(--round) - var(--space));
    z-index: 0;
}
.nav-btn::before {
    --space: 1px;
    background: linear-gradient(177.95deg, rgba(255,255,255,0.22) 0%, rgba(255,255,255,0) 100%);
}
.nav-btn::after {
    --space: 2px;
    background:
        radial-gradient(65.28% 65.28% at 50% 100%, rgba(255,185,90,0.85) 0%, rgba(255,185,90,0) 100%),
        linear-gradient(0deg, #f37021, #f37021);
}
.nav-btn:active { transform: scale(0.95); }

/* Fold */
.nav-btn .fold {
    z-index: 1;
    position: absolute;
    top: 0; right: 0;
    height: 1rem; width: 1rem;
    display: inline-block;
    transition: all 0.5s ease-in-out;
    background: radial-gradient(100% 75% at 55%, rgba(255,200,110,0.9) 0%, rgba(255,200,110,0) 100%);
    box-shadow: 0 0 3px rgba(0,0,0,0.2);
    border-bottom-left-radius: 0.5rem;
    border-top-right-radius: var(--round);
}
.nav-btn .fold::after {
    content: "";
    position: absolute;
    top: 0; right: 0;
    width: 150%; height: 150%;
    transform: rotate(45deg) translateX(0%) translateY(-18px);
    background-color: #fde8d4;
    pointer-events: none;
}
.nav-btn:hover .fold {
    margin-top: -1rem;
    margin-right: -1rem;
}

/* Points */
.nav-btn .points_wrapper {
    overflow: hidden;
    width: 100%; height: 100%;
    pointer-events: none;
    position: absolute;
    z-index: 1;
}
.nav-btn .points_wrapper .point {
    bottom: -10px;
    position: absolute;
    animation: floating-points infinite ease-in-out;
    pointer-events: none;
    width: 2px; height: 2px;
    background-color: #fff;
    border-radius: 9999px;
}
.nav-btn .points_wrapper .point:nth-child(1)  { left: 10%; opacity: 1;   animation-duration: 2.35s; animation-delay: 0.2s;  }
.nav-btn .points_wrapper .point:nth-child(2)  { left: 30%; opacity: 0.7; animation-duration: 2.5s;  animation-delay: 0.5s;  }
.nav-btn .points_wrapper .point:nth-child(3)  { left: 25%; opacity: 0.8; animation-duration: 2.2s;  animation-delay: 0.1s;  }
.nav-btn .points_wrapper .point:nth-child(4)  { left: 44%; opacity: 0.6; animation-duration: 2.05s;                          }
.nav-btn .points_wrapper .point:nth-child(5)  { left: 50%; opacity: 1;   animation-duration: 1.9s;                           }
.nav-btn .points_wrapper .point:nth-child(6)  { left: 75%; opacity: 0.5; animation-duration: 1.5s;  animation-delay: 1.5s;  }
.nav-btn .points_wrapper .point:nth-child(7)  { left: 88%; opacity: 0.9; animation-duration: 2.2s;  animation-delay: 0.2s;  }
.nav-btn .points_wrapper .point:nth-child(8)  { left: 58%; opacity: 0.8; animation-duration: 2.25s; animation-delay: 0.2s;  }
.nav-btn .points_wrapper .point:nth-child(9)  { left: 98%; opacity: 0.6; animation-duration: 2.6s;  animation-delay: 0.1s;  }
.nav-btn .points_wrapper .point:nth-child(10) { left: 65%; opacity: 1;   animation-duration: 2.5s;  animation-delay: 0.2s;  }

@keyframes floating-points {
    0%   { transform: translateY(0); }
    85%  { opacity: 0; }
    100% { transform: translateY(-55px); opacity: 0; }
}

/* Inner */
.nav-btn .inner {
    z-index: 2;
    gap: 5px;
    position: relative;
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    font-family: "Poppins", sans-serif;
    line-height: 1.5;
    white-space: nowrap;
}
.nav-btn .inner svg.icon {
    width: 14px; height: 14px;
    transition: fill 0.1s linear;
}
.nav-btn:hover svg.icon {
    fill: transparent;
    animation: dasharray 1s linear forwards, filled 0.1s linear forwards 0.95s;
}
@keyframes dasharray { from { stroke-dasharray: 0 0 0 0; } to { stroke-dasharray: 68 68 0 0; } }
@keyframes filled    { to   { fill: white; } }


/* =============================================
   RESPONSIVE MOBILE ≤ 900px
   ============================================= */
@media screen and (max-width: 900px) {

    header {
        top: 10px;
        width: calc(100% - 24px);
    }

    header .navbar {
        border-radius: 20px;
        padding: 8px 14px;
    }

    /* Hiện hamburger */
    #menu-open-button {
        display: flex !important;
        align-items: center;
        justify-content: center;
        background: none;
        border: none;
        font-size: 1.25rem;
        color: #f37021;
        cursor: pointer;
        padding: 6px 10px;
        border-radius: 12px;
        transition: background 0.2s;
    }
    #menu-open-button:hover { background: rgba(243,112,33,0.1); }

    /* Mobile menu */
    .navbar .nav-menu {
        display: none !important;
        position: fixed !important;
        top: 74px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        width: calc(100% - 32px) !important;
        max-width: 340px !important;
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 4px !important;
        background: rgba(255,255,255,0.97) !important;
        backdrop-filter: blur(16px) !important;
        border: 1.5px solid rgba(243,112,33,0.18) !important;
        border-radius: 20px !important;
        padding: 12px !important;
        box-shadow: 0 12px 36px rgba(180,90,10,0.13) !important;
        z-index: 999 !important;
        height: auto !important;
    }

    .navbar .nav-menu.mobile-open {
        display: flex !important;
        animation: menuDropIn 0.22s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    @keyframes menuDropIn {
        from { opacity: 0; transform: translateX(-50%) translateY(-10px) scale(0.97); }
        to   { opacity: 1; transform: translateX(-50%) translateY(0)      scale(1);    }
    }

    /* Hiện nút close bên trong menu */
    #menu-close-button {
        display: flex !important;
        align-self: flex-end;
        background: none;
        border: none;
        font-size: 1rem;
        color: #bbb;
        cursor: pointer;
        padding: 4px 8px;
        border-radius: 8px;
        margin-bottom: 4px;
        transition: background 0.15s, color 0.15s;
    }
    #menu-close-button:hover { background: #f5f5f5; color: #555; }

    /* Nav btn full width trên mobile */
    .nav-item { width: 100%; }

    .nav-btn {
        width: 100%;
        border-radius: 12px !important;
        padding: 11px 16px;
        justify-content: flex-start;
    }

    .nav-btn .inner { font-size: 14px; }
}