:root {
    /* Dark Mode Colors */
    --color-dark-bg: #0a0e27;
    --color-dark-surface: #131829;
    --color-dark-text: #e0e0e0;
    --color-dark-text-secondary: #a0a0a0;
    --color-cyber-blue: #00d4ff;
    --color-neon-green: #00ff88;
    --color-accent: #ff0080;
    --color-border-dark: rgba(0, 212, 255, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-dark-bg);
    color: var(--color-dark-text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.light-mode {
    --color-dark-bg: #f8f9fa;
    --color-dark-surface: #ffffff;
    --color-dark-text: #1a1a2e;
    --color-dark-text-secondary: #4a4a6a;
    --color-cyber-blue: #0052b3;
    --color-neon-green: #00884d;
    --color-accent: #d62d7f;
    --color-border-dark: rgba(0, 82, 179, 0.15);
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-cyber-blue);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-neon-green);
}

/* Luxury Watch Scroll Indicator */
.scroll-indicator-container {
    position: fixed;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 200px;
    z-index: 1000;
}

.scroll-track {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0, 212, 255, 0.1);
    border-left: 2px solid var(--color-cyber-blue);
    border-right: 2px solid var(--color-cyber-blue);
    border-radius: 10px;
}

.scroll-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--color-cyber-blue);
    left: 50%;
    transform: translateX(-50%);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-cyber-blue);
    transition: all 0.1s ease;
    top: 0;
}

.scroll-dot.active {
    width: 14px;
    height: 14px;
    box-shadow: 0 0 20px var(--color-cyber-blue), 0 0 40px var(--color-cyber-blue);
}

/* Luxury Watch Ticks */
.scroll-ticks {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
}

.tick {
    position: absolute;
    width: 8px;
    height: 2px;
    background: var(--color-neon-green);
    left: -2px;
    opacity: 0.6;
}

.tick:nth-child(1) { top: 0%; }
.tick:nth-child(2) { top: 25%; }
.tick:nth-child(3) { top: 50%; }
.tick:nth-child(4) { top: 75%; }
.tick:nth-child(5) { top: 100%; }

body.light-mode .scroll-track {
    background: rgba(0, 82, 179, 0.1);
    border-color: var(--color-cyber-blue);
}

body.light-mode .scroll-dot {
    background: var(--color-cyber-blue);
    box-shadow: 0 0 10px var(--color-cyber-blue);
}

body.light-mode .scroll-dot.active {
    box-shadow: 0 0 20px var(--color-cyber-blue), 0 0 40px var(--color-cyber-blue);
}

body.light-mode .tick {
    background: var(--color-neon-green);
}

@media (max-width: 768px) {
    .scroll-indicator-container {
        right: 20px;
        height: 120px;
    }
}

/* Navigation Styling */
nav {
    background-color: rgba(10, 14, 39, 0.95);
    
}

body.light-mode nav {
    background-color: rgba(248, 249, 250, 0.98);
    border-bottom: 1px solid rgba(0, 82, 179, 0.1);
}

.nav-link {
    color: var(--color-dark-text);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--color-cyber-blue);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--color-dark-text);
}

h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

p {
    color: var(--color-dark-text);
}

li, span {
    color: var(--color-dark-text);
}

/* Animations */
@keyframes blob {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(20px, -50px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(50px, 50px) scale(1.05);
    }
}

.animate-blob {
    animation: blob 7s infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-bounce {
    animation: bounce 1s infinite;
}

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

button,
a[role="button"] {
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    letter-spacing: 0.05em;
}

button:hover,
a[role="button"]:hover {
    transform: translateY(-2px);
}

/* Color Utilities */
.text-cyber-blue {
    color: var(--color-cyber-blue);
}

.text-neon-green {
    color: var(--color-neon-green);
}

.text-dark-text {
    color: var(--color-dark-text);
}

.text-secondary {
    color: var(--color-dark-text-secondary);
}

.bg-cyber-blue {
    background-color: var(--color-cyber-blue);
    color: #0a0e27;
    font-weight: 600;
}

body.light-mode .bg-cyber-blue {
    color: white;
}

.bg-neon-green {
    background-color: var(--color-neon-green);
    color: #0a0e27;
    font-weight: 600;
}

body.light-mode .bg-neon-green {
    color: white;
}

.bg-dark-bg {
    background-color: var(--color-dark-bg);
}

.bg-dark-surface {
    background-color: var(--color-dark-surface);
}

.border-cyber-blue {
    border-color: var(--color-cyber-blue);
}

.border-neon-green {
    border-color: var(--color-neon-green);
}

.bg-cyber-blue\/20 {
    background-color: rgba(0, 212, 255, 0.2);
}

body.light-mode .bg-cyber-blue\/20 {
    background-color: rgba(0, 82, 179, 0.1);
}

.border-cyber-blue\/30 {
    border-color: rgba(0, 212, 255, 0.3);
}

body.light-mode .border-cyber-blue\/30 {
    border-color: rgba(0, 82, 179, 0.2);
}

.neon-green\/20 {
    background-color: rgba(0, 255, 136, 0.2);
}

body.light-mode .neon-green\/20 {
    background-color: rgba(0, 136, 77, 0.1);
}

a {
    color: var(--color-cyber-blue);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--color-neon-green);
}

.bg-gradient-to-b {
    background: linear-gradient(to bottom, var(--color-dark-bg), var(--color-dark-surface));
}

body.light-mode .bg-gradient-to-b {
    background: linear-gradient(to bottom, #f8f9fa, #ffffff);
}

.bg-gradient-to-r {
    background: linear-gradient(to right, var(--color-cyber-blue), var(--color-neon-green));
    color: white;
}

body.light-mode .bg-gradient-to-r {
    color: white;
}

/* Section alternating backgrounds */
section {
    transition: background-color 0.3s ease;
}

section:nth-child(even) {
    background-color: var(--color-dark-surface);
}

section:nth-child(odd) {
    background-color: var(--color-dark-bg);
}

body.light-mode section:nth-child(even) {
    background-color: #ffffff;
}

body.light-mode section:nth-child(odd) {
    background-color: #f8f9fa;
}

/* Form Styling */
input[type="text"],
input[type="email"],
textarea {
    background-color: var(--color-dark-surface);
    border-color: rgba(0, 212, 255, 0.3);
    color: var(--color-dark-text);
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
textarea::placeholder {
    color: var(--color-dark-text-secondary);
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
    border-color: var(--color-cyber-blue);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.2);
}

body.light-mode input[type="text"],
body.light-mode input[type="email"],
body.light-mode textarea {
    background-color: #ffffff;
    border-color: rgba(0, 82, 179, 0.2);
    color: #1a1a2e;
}

body.light-mode input[type="text"]::placeholder,
body.light-mode input[type="email"]::placeholder,
body.light-mode textarea::placeholder {
    color: #4a4a6a;
}

/* Utility Classes */
.transform {
    transform: translateZ(0);
}

.transition {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover\:scale-105:hover {
    transform: scale(1.05);
}

.mix-blend-multiply {
    mix-blend-mode: multiply;
}

.filter {
    filter: blur(40px);
}

.blur-3xl {
    filter: blur(64px);
}

.overflow-hidden {
    overflow: hidden;
}

.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.fixed {
    position: fixed;
}

.z-50 {
    z-index: 50;
}

.z-10 {
    z-index: 10;
}

.flex {
    display: flex;
}

.grid {
    display: grid;
}

.hidden {
    display: none;
}

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.flex-col {
    flex-direction: column;
}

.flex-row {
    flex-direction: row;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-4 {
    gap: 1rem;
}

.gap-6 {
    gap: 1.5rem;
}

.gap-12 {
    gap: 3rem;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.p-4 {
    padding: 1rem;
}

.p-6 {
    padding: 1.5rem;
}

.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.py-8 {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.py-20 {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

.mb-12 {
    margin-bottom: 3rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-3 {
    margin-top: 0.75rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mt-6 {
    margin-top: 1.5rem;
}

.mt-12 {
    margin-top: 3rem;
}

.w-full {
    width: 100%;
}

.w-6 {
    width: 1.5rem;
}

.w-32 {
    width: 8rem;
}

.w-72 {
    width: 18rem;
}

.h-6 {
    height: 1.5rem;
}

.h-32 {
    height: 8rem;
}

.h-72 {
    height: 18rem;
}

.h-80 {
    height: 20rem;
}

.h-16 {
    height: 4rem;
}

.min-h-screen {
    min-height: 100vh;
}

.border {
    border: 1px solid currentColor;
}

.border-l-4 {
    border-left: 4px solid currentColor;
}

.border-t {
    border-top: 1px solid currentColor;
}

.border-b {
    border-bottom: 1px solid currentColor;
}

.rounded {
    border-radius: 0.375rem;
}

.rounded-lg {
    border-radius: 0.5rem;
}

.rounded-full {
    border-radius: 9999px;
}

.text-center {
    text-align: center;
}

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

.text-sm {
    font-size: 0.875rem;
}

.text-lg {
    font-size: 1.125rem;
}

.text-xl {
    font-size: 1.25rem;
}

.text-2xl {
    font-size: 1.5rem;
}

.text-3xl {
    font-size: 1.875rem;
}

.text-4xl {
    font-size: 2.25rem;
}

.text-6xl {
    font-size: 3.75rem;
}

.text-7xl {
    font-size: 4.5rem;
}

.inline-block {
    display: inline-block;
}

.space-y-2 > * + * {
    margin-top: 0.5rem;
}

.space-y-3 > * + * {
    margin-top: 0.75rem;
}

.space-y-4 > * + * {
    margin-top: 1rem;
}

.space-y-6 > * + * {
    margin-top: 1.5rem;
}

.space-x-8 > * + * {
    margin-left: 2rem;
}

.shadow-2xl {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.leading-tight {
    line-height: 1.25;
}

.leading-relaxed {
    line-height: 1.625;
}

.inset-0 {
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

.inset-2 {
    top: 0.5rem;
    right: 0.5rem;
    bottom: 0.5rem;
    left: 0.5rem;
}

.-inset-2 {
    top: -0.5rem;
    right: -0.5rem;
    bottom: -0.5rem;
    left: -0.5rem;
}

.backdrop-blur-sm {
    backdrop-filter: blur(4px);
}

.break-all {
    word-break: break-all;
}

.opacity-5 {
    opacity: 0.05;
}

.opacity-10 {
    opacity: 0.1;
}

.opacity-20 {
    opacity: 0.2;
}

.opacity-50 {
    opacity: 0.5;
}

/* Opacity utilities for text */
.text-dark-text\/80 {
    color: var(--color-dark-text);
    opacity: 0.8;
}

.text-dark-text\/70 {
    color: var(--color-dark-text);
    opacity: 0.7;
}

.text-dark-text\/60 {
    color: var(--color-dark-text);
    opacity: 0.6;
}

/* Hover state utilities */
.hover\:border-neon-green\/60:hover {
    border-color: rgba(0, 255, 136, 0.6);
}

body.light-mode .hover\:border-neon-green\/60:hover {
    border-color: rgba(0, 136, 77, 0.6);
}

.hover\:border-cyber-blue\/60:hover {
    border-color: rgba(0, 212, 255, 0.6);
}

body.light-mode .hover\:border-cyber-blue\/60:hover {
    border-color: rgba(0, 82, 179, 0.6);
}

.hover\:shadow-lg {
    transition: box-shadow 0.3s ease;
}

.hover\:shadow-lg:hover {
    box-shadow: 0 10px 25px rgba(0, 212, 255, 0.2);
}

body.light-mode .hover\:shadow-lg:hover {
    box-shadow: 0 10px 25px rgba(0, 82, 179, 0.15);
}

.hover\:text-neon-green:hover {
    color: var(--color-neon-green);
}

.hover\:text-cyber-blue:hover {
    color: var(--color-cyber-blue);
}

.hover\:bg-cyber-blue:hover {
    background-color: var(--color-cyber-blue);
    color: var(--color-dark-bg);
}

.hover\:bg-neon-green:hover {
    background-color: var(--color-neon-green);
    color: var(--color-dark-bg);
}

/* Card styling */
.bg-dark-surface {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

body.light-mode .bg-dark-surface {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Hero Section Name Styling */
.hero-name span:not(.text-cyber-blue) {
    color: #ffffff;
}

body.light-mode .hero-name span:not(.text-cyber-blue) {
    color: #1a1a2e;
}

/* Status Message Styling */
.status-success {
    color: var(--color-neon-green);
    background-color: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--color-neon-green);
    padding: 0.75rem;
    border-radius: 0.375rem;
}

.status-error {
    color: var(--color-accent);
    background-color: rgba(255, 0, 128, 0.1);
    border: 1px solid var(--color-accent);
    padding: 0.75rem;
    border-radius: 0.375rem;
}

/* Responsive Design */
@media (min-width: 640px) {
    .sm\:px-6 {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .sm\:flex-row {
        flex-direction: row;
    }
}

@media (min-width: 768px) {
    .md\:hidden {
        display: none;
    }

    .md\:flex {
        display: flex;
    }

    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .md\:text-left {
        text-align: left;
    }

    .md\:text-xl {
        font-size: 1.25rem;
    }

    .md\:text-3xl {
        font-size: 1.875rem;
    }

    .md\:text-7xl {
        font-size: 4.5rem;
    }

    .md\:flex-row {
        flex-direction: row;
    }

    .md\:justify-between {
        justify-content: space-between;
    }

    .md\:items-center {
        align-items: center;
    }

    .md\:items-start {
        align-items: flex-start;
    }

    .md\:mb-0 {
        margin-bottom: 0;
    }

    .md\:px-8 {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

@media (min-width: 1024px) {
    .lg\:px-8 {
        padding-left: 2rem;
        padding-right: 2rem;
    }

    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .lg\:text-xl {
        font-size: 1.25rem;
    }
}

/* Utility Classes Container */
.max-w-2xl {
    max-width: 42rem;
}

.max-w-4xl {
    max-width: 56rem;
}

.max-w-5xl {
    max-width: 64rem;
}

.max-w-6xl {
    max-width: 72rem;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.pt-20 {
    padding-top: 5rem;
}

.group:hover {
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15);
    transform: translateY(-6px);
}

/* smooth link feel */
a.group {
    display: block;
    text-decoration: none;
}

/* subtle glow border animation */
.group {
    position: relative;
    overflow: hidden;
}

.group::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 8px;
    padding: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.group:hover::before {
    opacity: 1;
}