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

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    transition: background var(--dur-std) var(--ease-out),
        border-color var(--dur-std) var(--ease-out);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.90);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.nav.scrolled .nav__link {
    color: var(--clr-text);
}

.nav__inner {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-8);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-head);
    font-size: var(--size-xl);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--clr-text);
    transition: opacity var(--dur-fast);
}

.nav__logo:hover {
    opacity: 0.8;
}

.nav__logo-mark {
    width: 36px;
    height: 36px;
    background: var(--grad-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--size-lg);
    font-weight: 900;
    color: #fff;
    box-shadow: 0 0 20px rgba(192, 160, 98, 0.4);
}

/* Desktop links */
.nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav__link {
    position: relative;
    padding: 0.5rem var(--space-4);
    font-family: var(--font-head);
    font-size: var(--size-sm);
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--clr-muted);
    transition: color var(--dur-fast);
    border-radius: var(--radius-full);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--grad-primary);
    border-radius: 2px;
    transition: transform var(--dur-fast) var(--ease-out);
}

.nav__link:hover {
    color: var(--clr-text);
}

.nav__link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.nav__link.active {
    color: var(--clr-primary);
}

.nav__link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Hire button */
.nav__cta {
    padding: 0.6rem 1.5rem;
    background: var(--grad-primary);
    color: var(--clr-white);
    border-radius: var(--radius-full);
    font-family: var(--font-head);
    font-size: var(--size-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: box-shadow var(--dur-fast), transform var(--dur-fast);
    box-shadow: 0 4px 20px rgba(192, 160, 98, 0.35);
}

.nav__cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(192, 160, 98, 0.5);
}

/* Hamburger (mobile) */
.nav__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 32px;
    cursor: pointer;
    z-index: 1100;
}

.nav__hamburger span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--clr-text);
    transition: transform var(--dur-std) var(--ease-out),
        opacity var(--dur-fast),
        width var(--dur-std) var(--ease-out);
}

.nav__hamburger span:nth-child(2) {
    width: 70%;
}

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

.nav__hamburger.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav__hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    width: 100%;
}

/* Mobile overlay */
.nav__overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 29, 35, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-std) var(--ease-out);
}

.nav__overlay.open {
    opacity: 1;
    pointer-events: all;
}

.nav__overlay .nav__link {
    font-size: var(--size-3xl);
    font-weight: 700;
    color: var(--clr-text);
    padding: var(--space-3) 0;
}

.nav__overlay .nav__link::after {
    bottom: 0;
    height: 3px;
    width: 100%;
    left: 0;
    transform: translateX(0) scaleX(0);
}

.nav__overlay .nav__link:hover::after {
    transform: scaleX(1);
}

/* Page progress indicator */
.nav__progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    background: var(--grad-primary);
    z-index: 1001;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s linear;
}

@media (max-width: 900px) {
    .nav__links {
        display: none;
    }

    .nav__cta {
        display: none;
    }

    .nav__hamburger {
        display: flex;
    }
}