/* ============================================
   PORTFOLIO WEBSITE - MAIN STYLES
   Dark Blue Bokeh Background Theme
   ============================================ */

/* -------------------- CSS Variables -------------------- */
:root {
    /* Colors */
    --color-bg-dark: #0a1628;
    --color-bg-darker: #050d18;
    --color-primary: #4a90e2;
    --color-secondary: #6b5dd1;
    --color-accent-pink: #d946d9;
    --color-accent-purple: #9b4dca;
    --color-text-primary: #ffffff;
    --color-text-secondary: #b8c5d6;
    --color-text-muted: #7a8ba3;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-heading: "Segoe UI", system-ui, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Layout */
    --max-width: 1280px;
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(74, 144, 226, 0.15);

    /* Z-index layers */
    --z-background: -1;
    --z-content: 1;
    --z-nav: 100;
    --z-toggle: 110;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    background-color: var(--color-bg-darker);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* -------------------- Background Layer -------------------- */
.background-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-background);
    will-change: transform;
}

.background-image {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: url('../assets/background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.9;
    transform-origin: center center;
}

/* Mobile: Use dedicated mobile background image */
@media screen and (max-width: 640px) {
    .background-image {
        background-image: url('../assets/mobile_background.jpg');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }
}

.bokeh-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.bokeh-element {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    will-change: transform, opacity;
}

.bokeh-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    top: 10%;
    left: 15%;
}

.bokeh-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-accent-pink) 0%, transparent 70%);
    top: 50%;
    right: 10%;
}

.bokeh-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--color-secondary) 0%, transparent 70%);
    bottom: 15%;
    left: 25%;
}

.bokeh-4 {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, var(--color-accent-purple) 0%, transparent 70%);
    top: 30%;
    left: 45%;
}

/* -------------------- Navigation -------------------- */
/* Mobile base styles (no media query) will be added by responsive.css */
/* Desktop expandable navigation */
/* Breakpoint aligns with JavaScript: window.innerWidth <= 1024 (mobile) vs > 1024 (desktop) */

/* Desktop expandable navigation (1025px+) */
@media (min-width: 1025px) {
    .main-nav {
        position: fixed;
        top: 20px;
        left: 20px;
        right: auto;
        width: 80px;
        height: auto !important; /* Override mobile + inline critical CSS */
        min-height: 70px !important; /* Ensure proper vertical space */
        padding: var(--spacing-md);
        background: rgba(10, 22, 40, 0.6);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 16px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        transition: width 3s ease, padding 3s ease;
        overflow: hidden;
        z-index: var(--z-nav);
    }

    .main-nav.expanded {
        width: calc(100vw - 40px);
    }

    .nav-container {
        display: flex;
        align-items: center;
        gap: clamp(1rem, 2vw, 2rem);
        padding-right: 54px;
        position: relative;
        perspective: 1000px; /* Enable 3D transform rendering for menu items */
        min-height: 46px; /* Baseline height for absolute children (toggle 30px + padding 16px) */
        transition: gap 3s ease;
    }

    .main-nav:not(.expanded) .nav-container {
        gap: 0;
    }

    /* Logo specifications */
    .nav-logo {
        position: absolute;
        left: var(--spacing-md);
        opacity: 0;
        transform: translateX(-100%);
        pointer-events: none;
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .main-nav.expanded .nav-logo {
        opacity: 1;
        transform: translateX(0);
        pointer-events: auto;
    }

    .logo-link {
        display: flex;
        align-items: center;
        justify-content: flex-start; /* Explicit left align */
        gap: var(--spacing-sm);
        transition: transform 0.3s ease;
    }

    .logo-link:hover {
        transform: scale(1.02);
    }

    .logo-icon {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        object-fit: cover;
        border: 2px solid rgba(74, 144, 226, 0.3);
        box-shadow: 0 4px 12px rgba(74, 144, 226, 0.2);
        transition: all 0.3s ease;
    }

    .logo-icon:hover {
        border-color: rgba(74, 144, 226, 0.6);
        box-shadow: 0 6px 16px rgba(74, 144, 226, 0.3);
    }

    .company-name {
        display: inline-block;
        font-family: 'Poppins', var(--font-primary);
        font-size: clamp(1.25rem, 1.2rem + 0.5vw, 1.5rem); /* Fluid font size */
        font-weight: 800;
        color: var(--color-text-primary);
        letter-spacing: -0.5px;
        opacity: 0;
        white-space: nowrap;
        transition: opacity 3s ease;
        transition-delay: 0.3s;
    }

    .main-nav.expanded .company-name {
        opacity: 1;
    }

    .main-nav:not(.expanded) .company-name {
        opacity: 0;
        transition-delay: 1.5s;
    }

    /* Nav menu - Absolutely positioned and right-aligned */
    .nav-menu {
        display: flex;
        gap: clamp(1rem, 2vw, 2rem);
        align-items: center;
        list-style: none;
        justify-content: flex-end;

        /* Right-align menu absolutely */
        position: absolute;
        right: 90px;

        /* Collapsed state - use width for animation */
        width: 0;
        opacity: 0;

        transition: width 3s ease, opacity 3s ease;
    }

    .main-nav.expanded .nav-menu {
        width: auto;
        opacity: 1;
    }

    .nav-menu li {
        transform: rotateY(90deg);
        opacity: 0;
        transition: transform 3s ease, opacity 3s ease;
    }

    .main-nav.expanded .nav-menu li {
        transform: rotateY(0deg);
        opacity: 1;
    }

    .nav-menu .nav-link {
        padding: clamp(0.5rem, 0.8vw, 1rem) clamp(0.75rem, 1.2vw, 1.25rem);
        font-size: clamp(0.875rem, 0.8rem + 0.4vw, 1rem);
        position: relative;
        color: var(--color-text-secondary);
        text-decoration: none;
        font-weight: 500;
        white-space: nowrap;
        transition: color 0.3s ease;
    }

    .nav-menu .nav-link::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--color-primary);
        transition: width 0.3s ease;
    }

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

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

    /* Staggered delays for sequential flip-in - start after 2s of expansion */
    .main-nav.expanded .nav-menu li:nth-child(1) { transition-delay: 2.0s; }
    .main-nav.expanded .nav-menu li:nth-child(2) { transition-delay: 2.3s; }
    .main-nav.expanded .nav-menu li:nth-child(3) { transition-delay: 2.6s; }
    .main-nav.expanded .nav-menu li:nth-child(4) { transition-delay: 2.9s; }
    .main-nav.expanded .nav-menu li:nth-child(5) { transition-delay: 3.2s; }
    .main-nav.expanded .nav-menu li:nth-child(6) { transition-delay: 3.5s; }

    /* Reversed stagger delays for sequential fade-out when collapsing */
    .main-nav:not(.expanded) .nav-menu li:nth-child(1) { transition-delay: 1.8s; }
    .main-nav:not(.expanded) .nav-menu li:nth-child(2) { transition-delay: 1.5s; }
    .main-nav:not(.expanded) .nav-menu li:nth-child(3) { transition-delay: 1.2s; }
    .main-nav:not(.expanded) .nav-menu li:nth-child(4) { transition-delay: 0.9s; }
    .main-nav:not(.expanded) .nav-menu li:nth-child(5) { transition-delay: 0.6s; }
    .main-nav:not(.expanded) .nav-menu li:nth-child(6) { transition-delay: 0.3s; }

    /* Hamburger toggle - Perfect centering */
    .nav-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 8px !important;
        position: absolute;
        right: 25px;
        top: 50%;
        transform: translateY(-50%);
        height: 30px !important;
        width: 30px !important;
        flex-shrink: 0;
        z-index: var(--z-toggle);
    }

    /* Remove blue focus outline */
    .nav-toggle:focus {
        outline: none;
    }

    /* For accessibility - only show outline for keyboard users */
    .nav-toggle:focus-visible {
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
    }

    .nav-toggle .line {
        width: 26px;
        height: 3px;
        background: #ffffff;
        opacity: 1;
        box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        transition: transform 3s ease; /* Slow theatrical animation */
    }

    .nav-toggle .line1 {
        top: 10px;
    }

    .nav-toggle .line2 {
        bottom: 10px;
    }

    /* Theatrical hamburger rotation (360° + 45°) */
    .main-nav.expanded .nav-toggle .line1 {
        transform: translateX(-50%) translateY(3.5px) rotate(405deg);
    }

    .main-nav.expanded .nav-toggle .line2 {
        transform: translateX(-50%) translateY(-3.5px) rotate(-405deg);
    }

    /* Hide nav-backdrop on desktop */
    .nav-backdrop {
        display: none;
    }
}

/* -------------------- Content Container -------------------- */
.content-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* -------------------- Section Headers -------------------- */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* -------------------- Hero Section -------------------- */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    position: relative;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -2px;
}

.hero-title .word {
    display: inline-block;
    margin: 0 0.3em;
}

.hero-tagline {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* -------------------- Buttons -------------------- */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.18s ease;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(74, 144, 226, 0.25);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.02);
}

.btn-secondary:active {
    transform: scale(0.98);
}

/* -------------------- About Section -------------------- */
.about-section {
    padding: var(--spacing-3xl) 0;
    position: relative;
    z-index: var(--z-content);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.about-highlight {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.about-text p {
    margin-bottom: var(--spacing-lg);
}

.about-image .image-placeholder,
.card-image .image-placeholder,
.media-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1), rgba(107, 93, 209, 0.1));
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

/* -------------------- Bento Grid Section -------------------- */
.bento-section {
    padding: var(--spacing-3xl) 0;
    position: relative;
    z-index: var(--z-content);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    grid-auto-rows: 200px;
}

.bento-card {
    background: rgba(10, 22, 40, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.18s ease;
    position: relative;
    overflow: hidden;
}

.bento-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05), rgba(107, 93, 209, 0.05));
    opacity: 0;
    transition: opacity 0.18s ease;
}

.bento-card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-glow);
    border-color: rgba(74, 144, 226, 0.3);
}

.bento-card:hover::before {
    opacity: 1;
}

.bento-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.bento-card.large {
    grid-column: span 2;
    grid-row: span 2;
}

.bento-card.medium {
    grid-column: span 2;
    grid-row: span 1;
}

.bento-card.small {
    grid-column: span 1;
    grid-row: span 1;
}

.bento-card.wide {
    grid-column: span 4;
    grid-row: span 1;
}

.bento-card h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.bento-card h4 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    font-weight: 600;
}

.bento-card h5 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bento-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

.bento-icon {
    stroke: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.card-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    margin-top: auto;
    display: inline-block;
    transition: transform 0.18s ease;
}

.card-link:hover {
    transform: translateX(4px);
}

/* -------------------- Feature Tabs Section -------------------- */
.features-tabs-section {
    min-height: 300vh; /* 3× viewport for virtual scroll progression */
    padding: var(--spacing-3xl) 0 0 0; /* Remove bottom padding */
    position: relative;
    z-index: var(--z-content);
}

.features-sticky-wrapper {
    position: sticky;
    top: 100px; /* Below fixed nav */
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Override sticky with fixed when locked - keeps content frozen on screen */
.features-sticky-wrapper.position-locked {
    position: fixed;
    top: 100px;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 100;
}

.feature-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    overflow-x: auto;
    scrollbar-width: thin;
}

.feature-tab {
    background: transparent;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: all 0.4s ease;
    white-space: nowrap;
    position: relative;
}

.feature-tab:hover {
    color: var(--color-text-primary);
    background: rgba(74, 144, 226, 0.05);
}

.feature-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.feature-tab.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    animation: tabActivePulse 0.6s ease;
}

@keyframes tabActivePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.tab-icon {
    font-size: var(--font-size-xl);
}

.tab-label {
    font-weight: 600;
}

.tab-content-container {
    position: relative;
    flex: 1;
    overflow: hidden; /* Prevent slide overflow */
    min-height: 400px;
}

.tab-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.tab-panel.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
    position: relative; /* Take up space when active */
}

.tab-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
}

.tab-text h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.tab-text p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-item {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    font-weight: 500;
}

.tab-image {
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tab-image .image-placeholder {
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.08), rgba(107, 93, 209, 0.08));
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* -------------------- Packages Pop-Out Cards -------------------- */
.packages-section {
    padding: var(--spacing-3xl) 0;
    position: relative;
    z-index: var(--z-content);
    min-height: 60vh;
}

.packages-stack {
    position: relative;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    min-height: 450px;
    margin-top: var(--spacing-2xl);
}

.package-card {
    position: absolute;
    width: 100%;
    max-width: 320px;
    background: rgba(10, 22, 40, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform, opacity;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Initial Compressed State - Stacked Horizontally */
.package-card[data-index="0"] {
    transform: translateX(0) scale(0.95);
    z-index: 4;
    opacity: 1;
}

.package-card[data-index="1"] {
    transform: translateX(15px) scale(0.95);
    z-index: 3;
    opacity: 0.7;
}

.package-card[data-index="2"] {
    transform: translateX(30px) scale(0.95);
    z-index: 2;
    opacity: 0.5;
}

.package-card[data-index="3"] {
    transform: translateX(45px) scale(0.95);
    z-index: 1;
    opacity: 0.3;
}

/* Revealed/Expanded State - Spread Horizontally */
.packages-stack.revealing .package-card[data-index="0"] {
    transform: translateX(-480px) scale(1) rotate(0deg);
    opacity: 1;
    transition-delay: 0ms;
}

.packages-stack.revealing .package-card[data-index="1"] {
    transform: translateX(-160px) scale(1) rotate(0deg);
    opacity: 1;
    transition-delay: 150ms;
}

.packages-stack.revealing .package-card[data-index="2"] {
    transform: translateX(160px) scale(1) rotate(0deg);
    opacity: 1;
    transition-delay: 300ms;
}

.packages-stack.revealing .package-card[data-index="3"] {
    transform: translateX(480px) scale(1) rotate(0deg);
    opacity: 1;
    transition-delay: 450ms;
}

/* Card Content Styling */
.package-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.package-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    text-align: center;
}

.package-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.package-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.package-features li {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.package-features li:last-child {
    border-bottom: none;
}

/* Hover Effect After Revealed */
.packages-stack.revealing .package-card:hover {
    border-color: rgba(74, 144, 226, 0.4);
    box-shadow: 0 12px 40px rgba(74, 144, 226, 0.2);
    transform: translateX(var(--hover-offset, 0)) scale(1.02);
}

.packages-stack.revealing .package-card[data-index="0"]:hover {
    --hover-offset: -480px;
}

.packages-stack.revealing .package-card[data-index="1"]:hover {
    --hover-offset: -160px;
}

.packages-stack.revealing .package-card[data-index="2"]:hover {
    --hover-offset: 160px;
}

.packages-stack.revealing .package-card[data-index="3"]:hover {
    --hover-offset: 480px;
}

/* -------------------- Modal -------------------- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    max-width: 700px;
    width: calc(100% - 40px);
    max-height: 90vh;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.modal.active .modal-container {
    transform: translate(-50%, -50%) scale(1);
}

.modal-content {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 1;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal-header {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.modal-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-header p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

/* -------------------- Contact Form -------------------- */
.contact-form {
    position: relative;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.required {
    color: #ef4444;
    font-weight: 700;
}

.input-with-validation {
    position: relative;
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    transition: all 0.3s ease;
    outline: none;
}

.input-with-validation .form-input {
    padding-right: 45px;
}

.validation-indicator {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    color: var(--color-primary);
}

.validation-indicator svg {
    animation: spin 1s linear infinite;
}

.validation-indicator.success {
    color: #4ade80;
}

.validation-indicator.success svg {
    animation: none;
}

.validation-indicator.error {
    color: #ef4444;
}

.validation-indicator.error svg {
    animation: none;
}

.validation-message {
    display: block;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    min-height: 18px;
    font-weight: 500;
}

.validation-message.success {
    color: #4ade80;
}

.validation-message.info {
    color: var(--color-primary);
}

.form-input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.form-input:focus {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-input:hover:not(:focus) {
    border-color: rgba(255, 255, 255, 0.2);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* Error States */
.form-group.error .form-input {
    border-color: #ef4444;
    animation: shake 0.36s ease;
}

.error-message {
    display: block;
    color: #ef4444;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    min-height: 18px;
    font-weight: 500;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-8px); }
    20%, 40%, 60%, 80% { transform: translateX(8px); }
}

/* Submit Button */
.form-submit-btn {
    width: 100%;
    position: relative;
    margin-top: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: 54px;
}

.form-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loader svg {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Success Message */
.form-success-message {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: rgba(74, 222, 128, 0.1);
    border: 2px solid rgba(74, 222, 128, 0.3);
    border-radius: var(--border-radius-sm);
    color: #4ade80;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: fadeInUp 0.5s ease;
}

.form-success-message svg {
    flex-shrink: 0;
}

.form-success-message p {
    margin: 0;
    font-weight: 600;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Vibration Effect */
@keyframes vibrate {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-2px); }
    20%, 40%, 60%, 80% { transform: translateX(2px); }
}

.contact-form.error-shake {
    animation: vibrate 0.3s ease;
}

/* -------------------- Footer -------------------- */
.main-footer {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-muted);
    position: relative;
    z-index: var(--z-content);
    background: rgba(5, 13, 24, 0.5);
}

.footer-top {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin: 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-column {
    text-align: left;
}

.footer-heading {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a,
.footer-links span {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color 0.2s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-legal a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color 0.2s ease;
}

.footer-legal a:hover {
    color: var(--color-primary);
}

.footer-copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

/* Footer Responsive - Moved to responsive.css for better organization */