/* ═══════════════════════════════════════════════════════════════
   SPEKTRUM — Shared Design System
   Common styles used across all pages (home, about, celestial)
   ═══════════════════════════════════════════════════════════════ */

/* ───────────── CSS Custom Properties ───────────── */
:root {
    /* Primary Brand Colors */
    --deep-teal: #2E807C;
    --muted-teal: #3C9099;
    --mid-teal: #23AAA6;
    --light-cyan: #51C4CC;

    /* Accent Colors */
    --warm-gold: #EFB81B;
    --vibrant-magenta: #D2336B;
    --deep-purple: #4F409A;
    --coral-red: #ED6F24;
    --brick-red: #E43C3B;
    --fresh-green: #59B26E;

    /* Neutrals */
    --white: #FFFFFF;
    --off-white: #FAFAFA;
    --light-grey: #F0F0F0;
    --charcoal: #1A1A1A;
    --dark-grey: #333333;
    --midnight: #0F1A1A;

    /* Functional */
    --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--charcoal);
    background: var(--midnight);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ───────────── Custom Cursor ───────────── */
* {
    cursor: none !important;
}

.cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--mid-teal);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    transition: width 0.2s ease, height 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    background: transparent;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background: var(--light-cyan);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 100000;
    transform: translate(-50%, -50%);
}

.cursor.hover {
    width: 40px;
    height: 40px;
    background: rgba(35, 170, 166, 0.25);
    border-color: var(--light-cyan);
}

/* ───────────── Navbar ───────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 50px;
    display: flex;
    align-items: center;
    gap: 60px;
    transition: transform 0.5s var(--transition-smooth),
                background 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.hidden {
    transform: translateY(-100%);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.85); /* Glassy White when scrolled */
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* Update nav link colors for visibility on white background when scrolled */
.navbar.scrolled .nav-links a {
    color: var(--charcoal);
}

.navbar.scrolled .nav-hamburger span {
    background: var(--charcoal);
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo img {
    height: 60px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
    flex: 1;
}

.nav-links li.nav-hidden {
    display: none;
}

.nav-links a {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    position: relative;
    padding: 5px 0;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--mid-teal);
    transition: width 0.4s var(--transition-smooth);
}

.nav-links a:hover::before {
    width: 100%;
}

.nav-links a.active {
    color: var(--mid-teal);
}

.nav-links a.active::before {
    width: 100%;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    position: relative;
    padding: 5px 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: default;
}

.nav-dropdown-label::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--mid-teal);
    transition: width 0.4s var(--transition-smooth);
}

.nav-dropdown-label::after {
    content: '';
    width: 6px;
    height: 6px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(45deg) translateY(-1px);
    transition: transform 0.3s var(--transition-smooth);
}

.nav-dropdown:hover .nav-dropdown-label::before,
.nav-dropdown:focus-within .nav-dropdown-label::before {
    width: 100%;
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    min-width: 280px;
    list-style: none;
    padding: 12px 0;
    background: rgba(15, 26, 26, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    z-index: 1010;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown:hover .nav-dropdown-label::after,
.nav-dropdown:focus-within .nav-dropdown-label::after {
    transform: rotate(225deg) translateY(-1px);
}

.nav-dropdown-menu li {
    width: 100%;
}

.nav-dropdown-menu a {
    display: block;
    padding: 8px 16px;
    font-size: 0.68rem;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.86);
    text-transform: uppercase;
}

.nav-dropdown-menu a:hover {
    color: var(--light-cyan);
    background: rgba(35, 170, 166, 0.1);
}

.navbar.scrolled .nav-dropdown-label {
    color: var(--charcoal);
}

.navbar.scrolled .nav-dropdown-menu {
    background: rgba(255, 255, 255, 0.98);
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.navbar.scrolled .nav-dropdown-menu a {
    color: var(--charcoal);
}

/* ───────────── Hamburger ───────────── */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 8px;
    margin-left: auto;
    z-index: 1002;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s var(--transition-smooth);
}

.nav-hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ───────────── Nav CTA ───────────── */
.nav-cta {
    background: var(--deep-teal);
    color: var(--white);
    padding: 12px 30px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.3s var(--transition-smooth);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.nav-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--light-cyan);
    transition: left 0.4s var(--transition-smooth);
    z-index: -1;
}

.nav-cta:hover::before {
    left: 0;
}

.nav-cta:hover {
    color: var(--charcoal);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(35, 170, 166, 0.25);
}

.footer-booking-cta {
    background: var(--mid-teal);
    color: var(--white);
    padding: 12px 22px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.3s var(--transition-smooth);
    box-shadow: 0 12px 30px rgba(35, 170, 166, 0.18);
}

.footer-booking-cta:hover {
    background: var(--deep-teal);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(35, 170, 166, 0.28);
}

/* ───────────── Scroll Progress ───────────── */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--deep-teal), var(--mid-teal), var(--light-cyan));
    z-index: 10001;
    transition: width 0.1s ease;
}

/* ───────────── Section Base ───────────── */
.section {
    position: relative;
    padding: 150px 0;
    overflow: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 50px;
}

.section-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--deep-teal);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.section-label::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--deep-teal);
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    color: var(--charcoal);
    line-height: 1.2;
    margin-bottom: 30px;
}

.section-title em {
    font-style: italic;
    color: var(--mid-teal);
}

.section-text {
    font-size: 1.1rem;
    color: var(--dark-grey);
    line-height: 1.9;
    margin-bottom: 20px;
}

/* ───────────── Floating Decorative Shapes ───────────── */
.floating-shape {
    position: absolute;
    pointer-events: none;
    opacity: 0.1;
    will-change: transform;
}

.floating-shape.circle {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    border: 1px solid var(--mid-teal);
}

.floating-shape.line {
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--vibrant-magenta), transparent);
}

/* ───────────── Diagonal Transitions ───────────── */
.diagonal-transition {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.diagonal-transition::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: var(--white);
    transform: skewY(-3deg);
    transform-origin: top left;
}

.diagonal-transition.dark-to-light::before {
    background: var(--white);
}

.diagonal-transition.light-to-dark::before {
    background: var(--midnight);
}

.diagonal-transition.light-to-offwhite::before {
    background: var(--off-white);
}

/* ───────────── Footer ───────────── */
.footer {
    background: var(--midnight);
    color: var(--white);
    padding: 100px 0 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 60px;
    margin-bottom: 80px;
}

.footer-brand .logo {
    margin-bottom: 25px;
    display: inline-block;
}

.footer-brand p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    margin-bottom: 30px;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--mid-teal);
    border-color: var(--mid-teal);
}

.footer-social svg, .footer-social i {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.footer-column h4 {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 30px;
    color: var(--white);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--mid-teal);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links {
    display: flex;
    gap: 30px;
}

.footer-bottom-links a {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: var(--white);
}

/* ───────────── Particle Trail ───────────── */
.particle {
    position: fixed;
    width: 8px;
    height: 8px;
    background: var(--mid-teal);
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.6;
    z-index: 9998;
    animation: particleFade 1s ease-out forwards;
}

/* ───────────── Loading Screen ───────────── */
.loader {
    position: fixed;
    inset: 0;
    background: var(--midnight);
    z-index: 100001;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-bar {
    width: 200px;
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.loader-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--deep-teal), var(--mid-teal), var(--light-cyan));
    animation: loading 1.5s ease-out forwards;
}

/* ───────────── Keyframes ───────────── */
@keyframes wordReveal3D {
    0% {
        opacity: 0;
        transform: translateY(120px) rotateX(-90deg) scale(0.8);
        filter: blur(10px);
    }
    50% {
        opacity: 0.8;
        filter: blur(2px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotateX(0) scale(1);
        filter: blur(0);
    }
}

@keyframes fadeUp {
    to {
        opacity: 1;
    }
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

@keyframes particleFade {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(0);
        opacity: 0;
    }
}

@keyframes loading {
    0% { width: 0%; }
    100% { width: 100%; }
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 30px rgba(35, 170, 166, 0.3); }
    50% { box-shadow: 0 0 60px rgba(35, 170, 166, 0.6); }
}

/* ───────────── Responsive — Shared Breakpoints ───────────── */
@media (max-width: 992px) {
    body {
        cursor: auto;
    }

    .cursor, .cursor-dot {
        display: none;
    }

    .navbar {
        padding: 15px 30px;
    }

    .nav-hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: rgba(15, 26, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 25px;
        transition: right 0.5s var(--transition-smooth);
        z-index: 1001;
    }

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

    .nav-links a {
        font-size: 0.9rem;
        letter-spacing: 3px;
    }

    .nav-dropdown {
        width: 100%;
    }

    .nav-dropdown-label {
        width: 100%;
        justify-content: space-between;
        cursor: default;
    }

    .nav-dropdown-menu {
        position: static;
        min-width: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 8px 0 0;
    }

    .nav-dropdown-menu a {
        padding: 6px 0 6px 14px;
        font-size: 0.72rem;
        letter-spacing: 2px;
        color: rgba(255, 255, 255, 0.75);
    }

    .nav-dropdown-menu a:hover {
        background: transparent;
        color: var(--light-cyan);
    }

    .nav-links .nav-cta {
        margin-top: 20px;
        text-align: center;
    }

    .footer-booking-cta {
        width: 100%;
        text-align: center;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 25px;
    }

    .section {
        padding: 100px 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .nav-cta {
        padding: 10px 18px;
        font-size: 0.66rem;
        letter-spacing: 1.5px;
    }

    .footer-booking-cta {
        width: 100%;
    }
}