/* ============================================
   STAPPLES — NAV STYLES
   ============================================ */

:root {
    --primary-blue: #007BFF;
    --navy-deep: #0A192F;
    --navy-light: #1A2B48;
    --soft-white: #F8FAFC;
    --glass-white: rgba(255, 255, 255, 0.92);
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

html {
    scroll-behavior: smooth;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.brand-bg {
    background: radial-gradient(circle at top right, #e0f2ff, #ffffff, #f1f5f9);
    font-family: 'Poppins', sans-serif;
}

/* ============================================
   NAVIGATION CORE
   ============================================ */
.main-navigation {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1400px;
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    border-radius: 30px;
    padding: 15px 40px;
    z-index: 1000;
    box-shadow: 0 15px 45px rgba(10, 25, 47, 0.08);
    transition: var(--transition);
}

/* Scrolled state */
.main-navigation.scrolled {
    top: 0;
    width: 100%;
    border-radius: 0;
    padding: 10px 6%;
    border: none;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

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

/* ============================================
   BRAND IDENTITY
   ============================================ */
.brand-identity {
    display: flex;
    align-items: center;
    gap: 12px;
}

.main-logo {
    height: 50px;
    width: auto;
}

.brand-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand-text .name {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--navy-deep);
    letter-spacing: 1px;
    line-height: 1;
}

.brand-text .tagline {
    font-size: 0.7rem;
    color: var(--primary-blue);
    font-weight: 600;
    text-transform: uppercase;
    margin-top: 3px;
    display: block;
    letter-spacing: 0.5px;
}

/* ============================================
   DESKTOP NAV LINKS
   ============================================ */
.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.link-item {
    text-decoration: none;
    color: var(--navy-light);
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    padding: 5px 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Icons — desktop pe hidden */
.link-item i {
    display: none;
}

.link-item:hover,
.link-item.active {
    color: var(--primary-blue);
}

.link-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--primary-blue);
    border-radius: 50px;
    transition: var(--transition);
}

.link-item:hover::after,
.link-item.active::after {
    width: 100%;
}

/* ============================================
   CTA BUTTON
   ============================================ */
.btn-talk {
    display: flex;
    align-items: center;
    background: var(--navy-deep);
    padding: 8px 10px 8px 28px;
    border-radius: 60px;
    text-decoration: none;
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    gap: 18px;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-icon {
    width: 42px;
    height: 42px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.btn-talk:hover {
    background: #000;
    box-shadow: 0 10px 25px rgba(0, 123, 255, 0.35);
    transform: translateY(-2px);
}

.btn-talk:hover .btn-icon i {
    animation: arrowNudge 0.5s infinite alternate ease-in-out;
}

.btn-talk:active .btn-icon i {
    transform: translateX(20px);
    transition: 0.2s ease-in;
    opacity: 0;
}

@keyframes arrowNudge {
    from { transform: translateX(0); }
    to   { transform: translateX(5px); }
}

/* ============================================
   HAMBURGER BUTTON
   ============================================ */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 2000;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 28px;
    height: 2.5px;
    background: var(--navy-deep);
    border-radius: 10px;
    transition: var(--transition);
    display: block;
}

/* Hamburger → X animation */
.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}
.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* ============================================
   TABLET — 992px se 1100px
   ============================================ */
@media (max-width: 1100px) {
    .nav-links {
        gap: 22px;
    }

    .link-item {
        font-size: 0.92rem;
    }

    .main-navigation {
        padding: 14px 24px;
    }

    .btn-talk {
        padding: 7px 8px 7px 20px;
        font-size: 0.88rem;
        gap: 12px;
    }

    .btn-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}

/* ============================================
   MOBILE — 992px 
   ============================================ */
@media (max-width: 992px) {

    .brand-text,
    .cta-section {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    /* Slide-in menu */
    .nav-links {
        position: fixed;
        right: -100%;
        top: 0;
        height: 100vh;
        width: 80%;
        max-width: 300px;
        background: #f0f7ff;
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 90px;
        padding-left: 20px;
        padding-right: 20px;
        gap: 8px;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.08);
        transition: right 0.5s cubic-bezier(0.85, 0, 0.15, 1);
        z-index: 999;
    }

    .nav-links.active {
        right: 0;
    }

    .link-item {
        font-size: 1.1rem;
        padding: 14px 18px;
        width: 100%;
        color: var(--navy-deep);
        border-radius: 14px;
        background: white;
        margin-bottom: 4px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
    }

    .link-item i {
        display: inline-block;
        color: var(--primary-blue);
        font-size: 1rem;
        width: 20px;
    }

    .link-item.active {
        background: var(--primary-blue);
        color: white;
    }

    .link-item.active i {
        color: white;
    }

    .link-item::after {
        display: none;
    }

    .nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.3);
        z-index: 998;
        backdrop-filter: blur(2px);
    }

    .nav-overlay.active {
        display: block;
    }
}

/* ============================================
   SMALL MOBILE — 480px
   ============================================ */
@media (max-width: 480px) {
    .main-navigation {
        top: 12px;
        width: 92%;
        padding: 12px 18px;
        border-radius: 20px;
    }

    .main-logo {
        height: 40px;
    }

    .nav-links {
        width: 85%;
        max-width: 280px;
    }
}