/* ═══════════════════════════════════════════════════
   COMPONENTS.CSS — Buttons, Navigation, Cursor, Preloader
   CRYSTALINK Premium Website
   ═══════════════════════════════════════════════════ */


/* ── BUTTONS ────────────────────────────────────── */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.4rem;
    font-family: var(--font-body);
    font-size: var(--text-small);
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    transition: all 0.5s var(--ease-out-expo);
    overflow: hidden;
    isolation: isolate;
}

.btn__text {
    position: relative;
    z-index: 2;
}

.btn__glow {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.5s var(--ease-out-expo);
    z-index: 1;
    background: radial-gradient(circle at center, var(--cyan-glow-strong) 0%, transparent 70%);
}

/* Primary button */
.btn--primary {
    background: var(--cyan);
    color: var(--navy-darker);
    border: 1px solid var(--cyan);
}

.btn--primary:hover {
    background: #5DE0FF;
    box-shadow: 0 0 40px rgba(var(--cyan-rgb), 0.3), 0 0 80px rgba(var(--cyan-rgb), 0.1);
    transform: translateY(-2px);
}

.btn--primary:hover .btn__glow {
    opacity: 1;
}

/* Outline button */
.btn--outline {
    background: transparent;
    color: var(--silver);
    border: 1px solid rgba(var(--white-pure-rgb), 0.2);
}

.btn--outline:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    box-shadow: 0 0 30px rgba(var(--cyan-rgb), 0.1);
    transform: translateY(-2px);
}

/* Button Icon */
.btn__icon {
    width: 20px;
    height: 20px;
    margin-right: 0.75rem;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.btn:hover .btn__icon {
    transform: scale(1.1);
}

/* WhatsApp Button */
.btn--whatsapp {
    background: #00E676;
    border-color: #00E676;
    color: var(--navy-darker);
}

.btn--whatsapp:hover {
    background: #00C853;
    box-shadow: 0 0 40px rgba(0, 230, 118, 0.3), 0 0 80px rgba(0, 230, 118, 0.1);
}

/* Large CTA button */
.btn--large {
    padding: 1.3rem 3.2rem;
    font-size: var(--text-body);
}

@media (max-width: 768px) {
    .btn {
        padding: 0.85rem 2rem;
        font-size: var(--text-micro);
    }

    .btn--large {
        padding: 1.1rem 2.6rem;
        font-size: var(--text-small);
    }
}


/* ── CUSTOM CURSOR ──────────────────────────────── */
.cursor {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: var(--z-cursor);
    mix-blend-mode: difference;
}

.cursor__dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
    will-change: transform;
    transform: translate3d(-100px, -100px, 0);
}

.cursor__ring {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(var(--white-pure-rgb), 0.4);
    border-radius: 50%;
    will-change: transform;
    transform: translate3d(-100px, -100px, 0);
    transition: width 0.4s var(--ease-out-expo),
                height 0.4s var(--ease-out-expo),
                border-color 0.3s ease;
}

/* Cursor hover states */
.cursor--hovering .cursor__dot {
    width: 10px;
    height: 10px;
    background: var(--cyan);
}

.cursor--hovering .cursor__ring {
    width: 60px;
    height: 60px;
    border-color: rgba(var(--cyan-rgb), 0.4);
}

.cursor--clicking .cursor__ring {
    width: 30px;
    height: 30px;
}

/* Hide on touch devices */
@media (hover: none) and (pointer: coarse) {
    .cursor { display: none; }
}


/* ── PRELOADER ──────────────────────────────────── */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--navy-darker);
    z-index: var(--z-preloader);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.preloader__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

/* Crystal geometry */
.preloader__crystal {
    width: 80px;
    height: auto;
    opacity: 0;
}

.preloader__crystal .crystal-svg {
    width: 100%;
    height: auto;
}

.preloader__crystal .crystal-upper {
    stroke-dasharray: 250;
    stroke-dashoffset: 250;
}

.preloader__crystal .crystal-lower {
    stroke-dasharray: 250;
    stroke-dashoffset: 250;
}

/* Brand name letters */
.preloader__brand {
    display: flex;
    gap: 0.15em;
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--white);
}

.preloader__letter {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
}

/* Progress bar */
.preloader__progress {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1rem;
}

.preloader__bar {
    width: 120px;
    height: 1px;
    background: rgba(var(--white-pure-rgb), 0.1);
    overflow: hidden;
    border-radius: var(--radius-full);
}

.preloader__bar-fill {
    width: 0%;
    height: 100%;
    background: var(--cyan);
    border-radius: inherit;
}

.preloader__counter {
    font-family: var(--font-body);
    font-size: var(--text-micro);
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--silver-muted);
    font-variant-numeric: tabular-nums;
}


/* ── NAVIGATION ─────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: var(--z-nav);
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

.navbar--scrolled {
    background: rgba(var(--navy-darker-rgb), 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(var(--cyan-rgb), 0.06);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

/* Logo */
.navbar__logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    z-index: 10;
}

.navbar__logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.navbar__logo-text {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--white);
}

/* Nav links */
.navbar__links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.navbar__link {
    font-size: var(--text-small);
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--silver-muted);
    transition: color 0.3s ease;
    position: relative;
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--cyan);
    transition: width 0.4s var(--ease-out-expo);
}

.navbar__link:hover {
    color: var(--white);
}

.navbar__link:hover::after {
    width: 100%;
}

.navbar__link--cta {
    color: var(--navy-darker);
    background: var(--cyan);
    padding: 0.55rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 500;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.navbar__link--cta::after {
    display: none;
}

.navbar__link--cta:hover {
    color: var(--navy-darker);
    background: #5DE0FF;
    box-shadow: 0 0 30px rgba(var(--cyan-rgb), 0.25);
}

/* Hamburger */
.navbar__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 32px;
    height: 32px;
    z-index: 10;
    padding: 0;
}

.navbar__hamburger-line {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--white);
    transition: transform 0.4s var(--ease-out-expo), opacity 0.3s ease;
    transform-origin: center;
}

.navbar__hamburger.active .navbar__hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar__hamburger.active .navbar__hamburger-line:nth-child(2) {
    opacity: 0;
}

.navbar__hamburger.active .navbar__hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

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


/* ── MOBILE MENU ────────────────────────────────── */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--navy-darker);
    z-index: var(--z-mobile-menu);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: var(--space-xl) var(--container-pad);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s var(--ease-out-expo), visibility 0.5s;
}

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

.mobile-menu__inner {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-menu__link {
    font-family: var(--font-display);
    font-size: clamp(2rem, 7vw, 3.5rem);
    font-weight: 600;
    color: var(--silver);
    transition: color 0.3s ease, transform 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.mobile-menu.active .mobile-menu__link {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delay for each link */
.mobile-menu.active .mobile-menu__link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-menu__link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-menu__link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active .mobile-menu__link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.active .mobile-menu__link:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.active .mobile-menu__link:nth-child(6) { transition-delay: 0.35s; }

.mobile-menu__link:hover {
    color: var(--cyan);
    transform: translateX(10px);
}

.mobile-menu__link--cta {
    color: var(--cyan);
}

.mobile-menu__footer {
    position: absolute;
    bottom: var(--space-lg);
    left: var(--container-pad);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-menu__footer a {
    font-size: var(--text-small);
    color: var(--silver-muted);
    transition: color 0.3s ease;
}

.mobile-menu__footer a:hover {
    color: var(--cyan);
}

/* ── MODAL ─────────────────────────────────────── */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal, 9999);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--container-pad);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(6, 10, 16, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: pointer;
}

.modal__content {
    position: relative;
    background: linear-gradient(165deg, rgba(var(--navy-rgb), 0.95) 0%, rgba(15, 22, 35, 0.98) 100%);
    border: 1px solid rgba(var(--cyan-rgb), 0.15);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    max-width: 440px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 40px rgba(var(--shadow-color-rgb), 0.4), 0 0 40px rgba(var(--cyan-rgb), 0.05);
}

.modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--silver-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal__close:hover {
    color: var(--cyan);
    background: rgba(var(--cyan-rgb), 0.1);
}

.modal__title {
    font-family: var(--font-display);
    font-size: var(--text-large);
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.modal__desc {
    font-size: var(--text-small);
    color: var(--silver-muted);
    margin-bottom: 2rem;
    line-height: 1.5;
}

.modal__options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-option {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.2rem;
    background: rgba(var(--navy-darker-rgb), 0.5);
    border: 1px solid rgba(var(--white-pure-rgb), 0.08);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.3s var(--ease-out-expo);
    text-align: left;
}

.modal-option:hover {
    background: rgba(var(--cyan-rgb), 0.05);
    border-color: rgba(var(--cyan-rgb), 0.25);
    transform: translateY(-2px);
}

.modal-option__icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.modal-option--wa .modal-option__icon {
    background: rgba(37, 211, 102, 0.1);
    color: #25D366;
}

.modal-option--wa:hover .modal-option__icon {
    background: #25D366;
    color: var(--white);
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.4);
}

.modal-option--email .modal-option__icon {
    background: rgba(var(--cyan-rgb), 0.1);
    color: var(--cyan);
}

.modal-option--email:hover .modal-option__icon {
    background: var(--cyan);
    color: var(--navy-darker);
    box-shadow: 0 0 20px rgba(var(--cyan-rgb), 0.4);
}

.modal-option__icon svg {
    width: 24px;
    height: 24px;
}

.modal-option__content {
    flex: 1;
}

.modal-option__title {
    display: block;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.2rem;
}

.modal-option__sub {
    display: block;
    font-size: var(--text-micro);
    color: var(--silver-muted);
}

.modal-option__arrow {
    color: var(--silver-dim);
    transition: transform 0.3s ease, color 0.3s ease;
}

.modal-option:hover .modal-option__arrow {
    color: var(--white);
    transform: translateX(4px);
}