/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-dark: #0a0a0f;
    --bg-card: #1a1a24;
    --text-primary: #f0eee6;
    --text-secondary: #8a8892;
    --accent: #c8b8ff;
    --accent-warm: #ffd6a5;
    --radius-card: 24px;
    --radius-img: 20px;
    --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

html {
    overflow: hidden;
    height: 100%;
    scrollbar-width: none;
}

html::-webkit-scrollbar {
    display: none;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    height: 100%;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =============================================
   GRAIN OVERLAY
   ============================================= */
.grain-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 40px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo-img {
    height: 18px !important;
    max-height: 18px !important;
    width: auto !important;
    max-width: 80px !important;
    object-fit: contain !important;
    display: inline-block !important;
}

.nav-logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-primary);
    transition: width 0.3s var(--transition-smooth);
}

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

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

.nav-btn {
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 1.5px;
    color: var(--bg-dark);
    background: var(--text-primary);
    text-decoration: none;
    padding: 10px 24px;
    border-radius: 100px;
    transition: all 0.4s var(--transition-smooth);
}

.nav-btn:hover {
    background: var(--accent);
    transform: scale(1.05);
}

/* =============================================
   CATEGORY TOGGLE
   ============================================= */
.category-toggle {
    position: fixed !important;
    top: 70px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    z-index: 95 !important;
    display: flex !important;
    gap: 4px !important;
    background: rgba(255, 255, 255, 0.06) !important;
    border-radius: 100px !important;
    padding: 4px !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
}

.cat-btn {
    font-family: var(--font-body) !important;
    font-size: 10px !important;
    font-weight: 600 !important;
    letter-spacing: 2px !important;
    padding: 8px 24px !important;
    border: none !important;
    border-radius: 100px !important;
    background: transparent !important;
    color: var(--text-secondary) !important;
    cursor: pointer !important;
    transition: all 0.4s var(--transition-smooth) !important;
    line-height: 1.4 !important;
    margin: 0 !important;
    box-shadow: none !important;
    text-transform: none !important;
    min-height: auto !important;
    min-width: auto !important;
}

.cat-btn.active {
    background: var(--text-primary) !important;
    color: var(--bg-dark) !important;
}

.cat-btn:hover:not(.active) {
    color: var(--text-primary) !important;
    background: transparent !important;
}

.cat-btn:focus {
    outline: none !important;
    box-shadow: none !important;
}

/* Video in slides */
.slide-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* =============================================
   SLIDE COUNTER (LEFT)
   ============================================= */
.slide-counter {
    position: fixed;
    left: 40px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 90;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    mix-blend-mode: difference;
}

.counter-current {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 32px;
    color: var(--text-primary);
    line-height: 1;
    transition: all 0.5s var(--transition-smooth);
}

.counter-separator {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: 14px;
    color: var(--text-secondary);
    transform: rotate(-15deg);
    display: block;
}

.counter-total {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1;
}

/* =============================================
   PAGER DOTS (RIGHT)
   ============================================= */
.pager-dots {
    position: fixed;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 90;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pager-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    cursor: pointer;
    transition: all 0.4s var(--transition-smooth);
    position: relative;
}

.pager-dot::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid transparent;
    transition: all 0.4s var(--transition-smooth);
}

.pager-dot.active {
    background: var(--text-primary);
    transform: scale(1.3);
}

.pager-dot.active::before {
    border-color: rgba(255, 255, 255, 0.3);
}

.pager-dot:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.2);
}

/* =============================================
   SCROLL INDICATOR
   ============================================= */
.scroll-indicator {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 90;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.scroll-indicator.hidden {
    opacity: 0;
    pointer-events: none;
}

.scroll-text {
    font-family: var(--font-body);
    font-size: 9px;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--text-secondary);
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1px;
    overflow: hidden;
}

.scroll-line-fill {
    width: 100%;
    height: 50%;
    background: var(--text-primary);
    border-radius: 1px;
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0% { transform: translateY(-100%); }
    50% { transform: translateY(100%); }
    100% { transform: translateY(-100%); }
}

/* =============================================
   GALLERY WRAPPER
   ============================================= */
.gallery-wrapper {
    position: fixed;
    inset: 0;
    overflow: hidden;
}

/* =============================================
   SLIDES
   ============================================= */
.slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: none;
    will-change: transform, opacity;
}

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

.slide.prev,
.slide.next {
    visibility: visible;
}

/* =============================================
   SLIDE CONTENT
   ============================================= */
.slide-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Background Title (giant text behind) */
.slide-bg-title {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(80px, 18vw, 280px);
    color: rgba(255, 255, 255, 0.03);
    white-space: nowrap;
    letter-spacing: -4px;
    user-select: none;
    pointer-events: none;
    z-index: 1;
    will-change: transform;
}

/* Image Container */
.slide-image-container {
    position: relative;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.slide-image-wrapper {
    width: clamp(260px, 42vw, 520px);
    height: clamp(260px, 42vw, 520px);
    border-radius: var(--radius-img);
    overflow: hidden;
    position: relative;
    background: var(--bg-card);
    box-shadow: 
        0 40px 80px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    will-change: transform;
    cursor: pointer;
    transition: box-shadow 0.6s var(--transition-smooth);
}

.slide-image-wrapper:hover {
    box-shadow: 
        0 50px 100px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 0 60px rgba(200, 184, 255, 0.08);
}

.slide-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-img);
    border: 1px solid rgba(255, 255, 255, 0.06);
    z-index: 2;
    pointer-events: none;
}

.slide-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s var(--transition-smooth);
}

.slide-image-wrapper:hover .slide-image {
    transform: scale(1.05);
}

/* Image Reflection */
.slide-image-reflection {
    width: clamp(200px, 35vw, 440px);
    height: 60px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.02), transparent);
    border-radius: 0 0 var(--radius-img) var(--radius-img);
    filter: blur(12px);
    margin-top: -2px;
    opacity: 0.5;
}

/* =============================================
   SLIDE INFO OVERLAY
   ============================================= */
.slide-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    padding: 0 40px 100px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    will-change: transform;
}

.slide-info-left {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.slide-number {
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--text-secondary);
    opacity: 0.6;
}

.slide-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(36px, 7vw, 96px);
    line-height: 0.95;
    letter-spacing: -2px;
    color: var(--text-primary);
    will-change: transform;
}

.slide-subtitle {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    margin-top: 4px;
}

.slide-info-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 16px;
    text-align: right;
}

.slide-meta {
    display: flex;
    gap: 40px;
}

.slide-meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.slide-meta-label {
    font-size: 9px;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.slide-meta-value {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.slide-description {
    font-size: 13px;
    font-weight: 300;
    color: var(--text-secondary);
    max-width: 320px;
    line-height: 1.6;
}

/* =============================================
   PROGRESS BAR
   ============================================= */
.progress-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.05);
    z-index: 100;
}

.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), var(--accent-warm));
    transition: width 0.5s var(--transition-smooth);
    border-radius: 0 3px 3px 0;
}

/* =============================================
   FINAL WHATSAPP SCREEN
   ============================================= */
.final-screen {
    position: fixed;
    inset: 0;
    z-index: 50;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s var(--transition-smooth), visibility 0.8s;
}

.final-screen.active {
    opacity: 1;
    visibility: visible;
}

.final-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.final-icon {
    font-size: 64px;
    animation: floatIcon 3s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.final-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(28px, 6vw, 56px);
    color: var(--text-primary);
    letter-spacing: -1px;
}

.final-subtitle {
    font-family: var(--font-body);
    font-size: clamp(14px, 2.5vw, 18px);
    color: var(--text-secondary);
    font-weight: 300;
}

.final-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 22px 60px;
    font-family: var(--font-display);
    font-size: clamp(16px, 3vw, 22px);
    font-weight: 700;
    letter-spacing: 2px;
    color: #fff;
    background: #25D366;
    text-decoration: none;
    border-radius: 100px;
    transition: all 0.4s var(--transition-smooth);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.3);
}

.final-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 12px 48px rgba(37, 211, 102, 0.5);
    background: #20bd5a;
}

@media (max-width: 768px) {
    .final-btn {
        padding: 18px 44px;
    }
    .final-icon {
        font-size: 48px;
    }
}

/* =============================================
   TRANSITIONS ANIMATION CLASSES
   ============================================= */
.slide-enter-from-bottom {
    animation: slideEnterFromBottom 0.9s var(--transition-smooth) forwards;
}

.slide-exit-to-top {
    animation: slideExitToTop 0.9s var(--transition-smooth) forwards;
}

.slide-enter-from-top {
    animation: slideEnterFromTop 0.9s var(--transition-smooth) forwards;
}

.slide-exit-to-bottom {
    animation: slideExitToBottom 0.9s var(--transition-smooth) forwards;
}

@keyframes slideEnterFromBottom {
    0% {
        opacity: 0;
        transform: translateY(100%);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideExitToTop {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(-100%);
    }
}

@keyframes slideEnterFromTop {
    0% {
        opacity: 0;
        transform: translateY(-100%);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideExitToBottom {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(100%);
    }
}

/* Image entrance animation */
.img-enter {
    animation: imgEnter 1.1s var(--transition-smooth) forwards;
}

@keyframes imgEnter {
    0% {
        opacity: 0;
        transform: scale(0.85) translateY(60px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Title entrance */
.title-enter {
    animation: titleEnter 0.8s var(--transition-smooth) forwards;
    animation-delay: 0.15s;
    opacity: 0;
}

@keyframes titleEnter {
    0% {
        opacity: 0;
        transform: translateY(40px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Info entrance */
.info-enter {
    animation: infoEnter 0.7s var(--transition-smooth) forwards;
    animation-delay: 0.25s;
    opacity: 0;
}

@keyframes infoEnter {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Background title parallax */
.bg-title-enter {
    animation: bgTitleEnter 1.2s var(--transition-smooth) forwards;
}

@keyframes bgTitleEnter {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* =============================================
   MOBILE STYLES
   ============================================= */

/* Tablets */
@media (max-width: 1024px) {
    .navbar {
        padding: 16px 24px;
    }
    
    .slide-info {
        padding: 0 24px 80px;
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .slide-info-right {
        align-items: flex-start;
        text-align: left;
    }
    
    .slide-counter {
        left: 24px;
    }
    
    .pager-dots {
        right: 24px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .navbar {
        padding: 14px 20px;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-btn {
        font-size: 9px;
        padding: 8px 18px;
    }
    
    .slide-counter {
        left: 20px;
        top: auto;
        bottom: 24px;
        transform: none;
        flex-direction: row;
        gap: 8px;
    }
    
    .counter-current {
        font-size: 22px;
    }
    
    .counter-separator {
        font-size: 12px;
        transform: none;
    }
    
    .counter-total {
        font-size: 14px;
    }
    
    .pager-dots {
        right: 20px;
        gap: 10px;
    }
    
    .pager-dot {
        width: 6px;
        height: 6px;
    }
    
    .slide-image-wrapper {
        width: clamp(220px, 72vw, 340px);
        height: clamp(220px, 72vw, 340px);
        border-radius: 16px;
    }
    
    .slide-image-wrapper::before {
        border-radius: 16px;
    }
    
    .slide-image-reflection {
        display: none;
    }
    
    .slide-bg-title {
        font-size: clamp(60px, 20vw, 140px);
    }
    
    .slide-info {
        padding: 0 20px 68px;
        flex-direction: column;
        gap: 12px;
    }
    
    .slide-title {
        font-size: clamp(28px, 10vw, 52px);
        letter-spacing: -1px;
    }
    
    .slide-subtitle {
        font-size: 12px;
    }
    
    .slide-number {
        font-size: 9px;
    }
    
    .slide-info-right {
        align-items: flex-start;
        text-align: left;
        gap: 8px;
    }
    
    .slide-meta {
        gap: 24px;
    }
    
    .slide-meta-label {
        font-size: 8px;
    }
    
    .slide-meta-value {
        font-size: 12px;
    }
    
    .slide-description {
        font-size: 12px;
        max-width: none;
        display: none;
    }
    
    .scroll-indicator {
        bottom: 24px;
    }
    
    .scroll-line {
        height: 32px;
    }
    
    .progress-bar {
        height: 2px;
    }
}

/* Small mobile */
@media (max-width: 400px) {
    .slide-image-wrapper {
        width: 200px;
        height: 200px;
    }
    
    .slide-title {
        font-size: 28px;
    }
    
    .slide-bg-title {
        font-size: 60px;
    }
    
    .slide-content {
        padding-bottom: 20px;
    }
}

/* Fix for iPhone notch */
@supports (padding-top: env(safe-area-inset-top)) {
    .navbar {
        padding-top: calc(14px + env(safe-area-inset-top));
    }
    
    .slide-info {
        padding-bottom: calc(68px + env(safe-area-inset-bottom));
    }
    
    .progress-bar {
        bottom: env(safe-area-inset-bottom);
    }
}

/* Landscape mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .slide-image-wrapper {
        width: 180px;
        height: 180px;
    }
    
    .slide-info {
        padding-bottom: 20px;
        flex-direction: row;
        align-items: flex-end;
    }
    
    .slide-title {
        font-size: 24px;
    }
    
    .slide-bg-title {
        font-size: 80px;
    }
    
    .slide-content {
        flex-direction: row;
    }
    
    .scroll-indicator {
        display: none;
    }
}

/* =============================================
   PRELOADER
   ============================================= */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

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

.preloader-text {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 4px;
    color: var(--text-secondary);
}

.preloader-bar {
    width: 120px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.preloader-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--text-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}