/* ================= VANGUARD UI VARIABLES ================= */
:root {
    --bg-base: #fdfbf7; /* Editorial Luxury Cream/White */
    --surface-light: #ffffff;
    --surface-dark: #050505;
    
    --text-primary: #111111;
    --text-secondary: #777777;
    --accent: #f97316;
    
    /* Physics-based motion */
    --ease-spring: cubic-bezier(0.32, 0.72, 0, 1);
    --ease-heavy: cubic-bezier(0.65, 0, 0.35, 1);
    
    /* Macro Whitespace */
    --section-py: 10rem;
    --grid-gap: 3rem;
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

html {
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ================= UTILS & TYPOGRAPHY ================= */
.eyebrow-tag {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: rgba(0,0,0,0.05);
    border-radius: 9999px;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 600;
    margin-bottom: 2rem;
}

.tag-light {
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.8);
}

.massive-heading {
    font-size: clamp(3rem, 6vw, 5.5rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.05;
    margin-bottom: 2rem;
}

.text-white { color: #ffffff; }
.text-light { color: rgba(255,255,255,0.7); }
.text-orange { color: var(--accent); }
.mt-8 { margin-top: 3rem; }

/* ================= FLUID ISLAND NAV ================= */
.island-nav {
    position: fixed;
    top: 2rem;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    z-index: 100;
    pointer-events: none;
}

.island-nav-inner {
    pointer-events: auto;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(0,0,0,0.05);
    padding: 0.75rem 1rem 0.75rem 2rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    gap: 3rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.03);
    transition: transform 0.7s var(--ease-spring);
}

.island-nav.hidden {
    transform: translateY(-150%);
}

.logo-text {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.05em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.4s var(--ease-spring);
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* ================= NESTED CTA BUTTON ================= */
.btn-magnetic {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 0.5rem 0.5rem 1.5rem;
    background: var(--surface-dark);
    color: #fff;
    border: none;
    border-radius: 9999px;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.4s var(--ease-spring);
}

.btn-magnetic:active {
    transform: scale(0.96);
}

.btn-primary {
    padding: 0.75rem 0.75rem 0.75rem 2rem;
    font-size: 1rem;
    background: var(--accent);
}

.btn-light {
    background: #fff;
    color: var(--surface-dark);
    padding: 0.75rem 0.75rem 0.75rem 2rem;
    font-size: 1rem;
}

.btn-inner-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    transition: transform 0.6s var(--ease-spring);
}

.btn-primary .btn-inner-circle, .btn-light .btn-inner-circle {
    width: 40px;
    height: 40px;
}

.btn-light .dark-circle {
    background: rgba(0,0,0,0.05);
}

.btn-magnetic:hover .btn-inner-circle {
    transform: translateX(4px) scale(1.05);
}

/* ================= HERO CINEMATIC ================= */
.hero-section {
    position: relative;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--section-py) 2rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05); /* To allow parallax */
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(5,5,5,0.4) 0%, rgba(5,5,5,0.95) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    color: #fff;
}

.hero-title {
    font-size: clamp(3.5rem, 8vw, 7rem);
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 1;
    margin-bottom: 2rem;
}

.hero-title span {
    color: var(--accent);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: rgba(255,255,255,0.7);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-inline: auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
}

/* ================= EDITORIAL SPLIT ================= */
.editorial-split {
    padding: var(--section-py) 5%;
    display: flex;
    gap: 8vw;
    align-items: center;
}

.split-left {
    flex: 1;
}

.editorial-text {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.split-right {
    flex: 1.2;
}

/* DOUBLE BEZEL ARCHITECTURE */
.double-bezel-outer {
    background: rgba(0,0,0,0.02);
    border: 1px solid rgba(0,0,0,0.05);
    padding: 0.5rem;
    border-radius: 2rem;
}

.double-bezel-inner {
    background: var(--surface-light);
    border-radius: calc(2rem - 0.5rem);
    box-shadow: inset 0 1px 1px rgba(255,255,255,1);
    overflow: hidden;
    position: relative;
}

.image-core {
    aspect-ratio: 4/5;
}

.image-core img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.5s var(--ease-heavy);
}

.double-bezel-outer:hover .zoom-image {
    transform: scale(1.05);
}

/* ================= CASCADE GRID ================= */
.products-cascade {
    padding: var(--section-py) 5%;
    background: #ffffff;
}

.cascade-header {
    margin-bottom: 6rem;
}

.cascade-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.cascade-card:nth-child(even) {
    margin-top: 4rem; /* Asymmetrical shift */
}

.card-core {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-base);
}

.card-img-wrapper {
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    position: relative;
}

.card-img-wrapper img {
    max-height: 100%;
    filter: drop-shadow(0 20px 30px rgba(0,0,0,0.1));
    transition: transform 0.8s var(--ease-spring);
}

.cascade-card:hover .card-img-wrapper img {
    transform: translateY(-10px) scale(1.05);
}

.card-content {
    padding: 2.5rem;
}

.card-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.card-content p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ================= SERVICES BENTO ================= */
.services-bento {
    padding: var(--section-py) 5%;
}

.bento-large {
    padding: 0.75rem;
    border-radius: 3rem;
}

.bento-core.glass-dark {
    background: var(--surface-dark);
    border-radius: calc(3rem - 0.75rem);
    padding: 6vw;
    box-shadow: inset 0 1px 1px rgba(255,255,255,0.1);
}

/* ================= LUXURY FOOTER ================= */
.footer-luxury {
    background: #000;
    color: #fff;
    padding: 8vw 5% 4vw 5%;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 4rem;
}

.footer-brand h2 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: rgba(255,255,255,0.5);
}

.footer-links {
    display: flex;
    gap: 6vw;
}

.link-column h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.3);
    margin-bottom: 2rem;
}

.link-column a, .link-column p {
    display: block;
    color: rgba(255,255,255,0.8);
    margin-bottom: 1rem;
    font-size: 1rem;
    transition: color 0.4s ease;
}

.link-column a:hover {
    color: var(--accent);
}

/* ================= ANIMATIONS & INTERSECTION OBSERVER ================= */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    filter: blur(10px);
    transition: opacity 1s var(--ease-heavy), transform 1s var(--ease-heavy), filter 1s var(--ease-heavy);
    will-change: transform, opacity, filter;
}

.reveal-on-scroll.is-revealed {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

/* ================= MOBILE NAV ================= */
.hamburger-btn {
    display: none;
    position: fixed;
    top: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 50%;
    z-index: 200;
    cursor: pointer;
}

.hamburger-btn span {
    position: absolute;
    left: 50%;
    width: 20px;
    height: 2px;
    background: #000;
    transform: translateX(-50%);
    transition: transform 0.4s var(--ease-spring), top 0.4s var(--ease-spring);
}

.hamburger-btn .line-1 { top: 20px; }
.hamburger-btn .line-2 { top: 26px; }

.hamburger-btn.active .line-1 {
    top: 23px;
    transform: translateX(-50%) rotate(45deg);
}

.hamburger-btn.active .line-2 {
    top: 23px;
    transform: translateX(-50%) rotate(-45deg);
}

.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(253, 251, 247, 0.95);
    backdrop-filter: blur(24px);
    z-index: 150;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s var(--ease-heavy);
}

.mobile-nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    text-align: center;
}

.nav-item-reveal {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease-spring), transform 0.6s var(--ease-spring);
}

.mobile-nav-overlay.active .nav-item-reveal {
    opacity: 1;
    transform: translateY(0);
}

/* ================= MOBILE RESPONSIVE FALLBACKS ================= */
@media (max-width: 992px) {
    :root {
        --section-py: 6rem;
    }
    
    .island-nav {
        display: none;
    }
    
    .hamburger-btn {
        display: block;
    }
    
    .editorial-split {
        flex-direction: column;
    }
    
    .cascade-grid {
        grid-template-columns: 1fr;
    }
    
    .cascade-card:nth-child(even) {
        margin-top: 0;
    }
    
    .footer-inner {
        flex-direction: column;
        gap: 3rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 2rem;
    }
}