/* ============================================================
   COMPLETE TAILWIND CSS OFFLINE SYSTEM - PRODUCTION VERSION
   All utilities needed for Guitar Solo 2.0 website
   ============================================================ */

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

html {
    scroll-behavior: smooth;
}

/* ROOT VARIABLES */
:root {
    --primary: #ffb4aa;
    --primary-container: #e30613;
    --on-primary: #690003;
    --on-primary-container: #fff5f3;
    --on-primary-fixed: #410001;
    --on-primary-fixed-variant: #930007;
    --primary-fixed: #ffdad5;
    --primary-fixed-dim: #ffb4aa;
    
    --secondary: #c6c6c7;
    --secondary-container: #454747;
    --on-secondary: #2f3131;
    --on-secondary-fixed: #1a1c1c;
    --on-secondary-fixed-variant: #454747;
    --on-secondary-container: #b4b5b5;
    --secondary-fixed: #e2e2e2;
    --secondary-fixed-dim: #c6c6c7;
    
    --tertiary: #ffb4aa;
    --tertiary-container: #e30613;
    --on-tertiary: #690003;
    --on-tertiary-fixed: #410001;
    --on-tertiary-fixed-variant: #930007;
    --on-tertiary-container: #fff5f3;
    --tertiary-fixed: #ffdad5;
    --tertiary-fixed-dim: #ffb4aa;
    
    --error: #ffb4ab;
    --error-container: #93000a;
    --on-error: #690005;
    --on-error-container: #ffdad6;
    
    --background: #131313;
    --on-background: #e2e2e2;
    
    --surface: #131313;
    --surface-dim: #131313;
    --surface-bright: #393939;
    --surface-container-lowest: #0e0e0e;
    --surface-container-low: #1b1b1b;
    --surface-container: #1f1f1f;
    --surface-container-high: #2a2a2a;
    --surface-container-highest: #353535;
    --on-surface: #e2e2e2;
    --on-surface-variant: #e9bcb6;
    
    --surface-tint: #ffb4aa;
    --surface-variant: #353535;
    
    --outline: #af8782;
    --outline-variant: #5e3f3b;
    
    --inverse-surface: #e2e2e2;
    --inverse-on-surface: #303030;
    --inverse-primary: #c0000c;
}

/* TYPOGRAPHY */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--on-background);
    font-size: 16px;
    line-height: 1.5;
    font-weight: 400;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    padding: 0;
}

.font-space-grotesk {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* FONT WEIGHTS */
.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }

/* FONT SIZES */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1; }
.text-6xl { font-size: 3.75rem; line-height: 1; }
.text-8rem { font-size: 5rem; line-height: 1; }
.text-9xl { font-size: 8rem; line-height: 1; }
.text-\[8rem\] { font-size: 5rem; line-height: 1; }
.text-\[9rem\] { font-size: 8rem; line-height: 1; }
.text-\[12vw\] { font-size: 12vw; line-height: 1; }
.text-\[15rem\] { font-size: 15rem; line-height: 1; }
.text-\[22rem\] { font-size: 22rem; line-height: 1; }

/* TEXT ALIGN & STYLE */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.uppercase { text-transform: uppercase; }
.italic { font-style: italic; }

/* LINE HEIGHT */
.leading-none { line-height: 1; }
.leading-tight { line-height: 1.25; }
.leading-snug { line-height: 1.375; }
.leading-relaxed { line-height: 1.625; }
.leading-\[0.8\] { line-height: 0.8; }

/* LETTER SPACING */
.tracking-tighter { letter-spacing: -0.05em; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-normal { letter-spacing: 0em; }
.tracking-widest { letter-spacing: 0.1em; }

/* COLORS - TEXT */
.text-white { color: white; }
.text-black { color: black; }
.text-red-500 { color: #ef4444; }
.text-red-600 { color: #dc2626; }
.text-neutral-500 { color: #6b7280; }

.text-on-background { color: var(--on-background); }
.text-on-surface { color: var(--on-surface); }
.text-on-surface-variant { color: var(--on-surface-variant); }
.text-primary-container { color: var(--primary-container); }
.text-on-primary-container { color: var(--on-primary-container); }
.text-on-secondary { color: var(--on-secondary); }
.text-outline { color: var(--outline); }
.text-outline\/20 { color: rgba(175, 135, 130, 0.2); }

/* COLORS - BACKGROUND */
.bg-white { background-color: white; }
.bg-black { background-color: black; }
.bg-neutral-900 { background-color: #111827; }
.bg-neutral-950 { background-color: #030712; }
.bg-neutral-950\/40 { background-color: rgba(3, 7, 18, 0.4); }
.bg-neutral-950\/70 { background-color: rgba(3, 7, 18, 0.7); }
.bg-white\/20 { background-color: rgba(255, 255, 255, 0.2); }
.bg-white\/40 { background-color: rgba(255, 255, 255, 0.4); }

.bg-background { background-color: var(--background); }
.bg-surface { background-color: var(--surface); }
.bg-surface-dim { background-color: var(--surface-dim); }
.bg-surface-container { background-color: var(--surface-container); }
.bg-surface-container-low { background-color: var(--surface-container-low); }
.bg-surface-container-lowest { background-color: var(--surface-container-lowest); }
.bg-surface-container-high { background-color: var(--surface-container-high); }
.bg-surface-container-highest { background-color: var(--surface-container-highest); }
.bg-primary-container { background-color: var(--primary-container); }
.bg-primary { background-color: var(--primary); }

/* OPACITY */
.opacity-20 { opacity: 0.2; }
.opacity-30 { opacity: 0.3; }
.opacity-60 { opacity: 0.6; }

/* SPACING - MARGIN */
.m-0 { margin: 0; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-0 { margin-top: 0; margin-bottom: 0; }

.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mb-20 { margin-bottom: 5rem; }

.-top-40 { margin-top: -10rem; }
.-left-20 { margin-left: -5rem; }
.-bottom-10 { margin-bottom: -2.5rem; }
.-right-10 { margin-right: -2.5rem; }

/* SPACING - PADDING */
.p-0 { padding: 0; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.p-12 { padding: 3rem; }

.px-0 { padding-left: 0; padding-right: 0; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.px-12 { padding-left: 3rem; padding-right: 3rem; }
.px-16 { padding-left: 4rem; padding-right: 4rem; }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-32 { padding-top: 8rem; padding-bottom: 8rem; }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: 0.25rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pl-6 { padding-left: 1.5rem; }
.pt-32 { padding-top: 8rem; }

/* GAPS */
.gap-0 { gap: 0; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }
.gap-20 { gap: 5rem; }

/* LAYOUT - POSITIONING */
.static { position: static; }
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }

.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.top-1\/2 { top: 50%; }
.left-1\/2 { left: 50%; }

/* LAYOUT - DISPLAY */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }

/* FLEX */
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-between { align-items: space-between; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }

/* GRID */
.grid-cols-1 { grid-template-columns: minmax(0, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* RESPONSIVE */
.hidden { display: none; }

@media (max-width: 768px) {
    .md\:flex { display: none !important; }
    .md\:hidden { display: block !important; }
    .md\:grid-cols-2 { grid-template-columns: 1fr !important; }
    .md\:grid-cols-3 { grid-template-columns: 1fr !important; }
    .md\:flex-row { flex-direction: column !important; }
    .md\:text-\[8rem\] { font-size: 3rem; }
    .md\:text-7xl { font-size: 2rem; }
    .md\:text-8xl { font-size: 2.5rem; }
    .md\:text-9xl { font-size: 3rem; }
}

@media (min-width: 768px) {
    .md\:flex { display: flex !important; }
    .md\:hidden { display: none !important; }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
    .md\:flex-row { flex-direction: row !important; }
    .md\:text-\[8rem\] { font-size: 5rem; }
    .md\:text-7xl { font-size: 3.5rem; }
    .md\:text-8xl { font-size: 5rem; }
    .md\:text-9xl { font-size: 8rem; }
    .md\:-mt-12 { margin-top: -3rem; }
}

@media (min-width: 1024px) {
    .lg\:block { display: block !important; }
    .lg\:hidden { display: none !important; }
}

/* DIMENSIONS */
.w-auto { width: auto; }
.w-full { width: 100%; }
.w-1\/3 { width: 33.333333%; }
.w-2\/3 { width: 66.666667%; }
.w-24 { width: 6rem; }
.w-48 { width: 12rem; }
.w-\[150%\] { width: 150%; }

.h-auto { height: auto; }
.h-full { height: 100%; }
.h-1 { height: 0.25rem; }
.h-24 { height: 6rem; }
.h-px { height: 1px; }
.h-\[400px\] { height: 400px; }
.h-\[500px\] { height: 500px; }
.h-\[150%\] { height: 150%; }

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

.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-4xl { max-width: 56rem; }

/* ASPECT RATIOS */
.aspect-video { aspect-ratio: 16 / 9; }

/* OBJECT FIT */
.object-cover { object-fit: cover; }
.object-contain { object-fit: contain; }

/* OVERFLOW */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-visible { overflow: visible; }

/* Z-INDEX */
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }

/* BORDER & OUTLINE */
.border-0 { border: 0; }
.border { border: 1px solid currentColor; }
.border-2 { border: 2px solid currentColor; }
.border-b { border-bottom: 1px solid currentColor; }
.border-b-2 { border-bottom: 2px solid currentColor; }
.border-b-4 { border-bottom: 4px solid currentColor; }
.border-l-4 { border-left: 4px solid currentColor; }

.border-white { border-color: white; }
.border-red-600 { border-color: #dc2626; }
.border-primary-container { border-color: var(--primary-container); }

/* BOX SHADOW */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05); }
.shadow { box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1); }
.shadow-md { box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1); }
.shadow-\[0_40px_100px_rgba\(0\,0\,0\,0.8\)\] { 
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.8);
}
.shadow-\[0_0_80px_rgba\(227\,6\,19\,0.15\)\] {
    box-shadow: 0 0 80px rgba(227, 6, 19, 0.15);
}

/* EFFECTS & FILTERS */
.grayscale { filter: grayscale(100%); }
.grayscale-0 { filter: grayscale(0%); }
.mix-blend-lighten { mix-blend-mode: lighten; }

/* TRANSFORMS */
.rotate-0 { rotation: 0; }
.rotate-3 { transform: rotate(3deg); }
.-translate-x-1\/2 { transform: translateX(-50%); }
.-translate-y-1\/2 { transform: translateY(-50%); }
.translate-x-4 { transform: translateX(1rem); }
.translate-x-0 { transform: translateX(0); }

/* TRANSITIONS */
.transition { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-colors { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-transform { transition-property: transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-opacity { transition-property: opacity; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }

.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }
.duration-700 { transition-duration: 700ms; }
.duration-1000 { transition-duration: 1000ms; }
.duration-\[2s\] { transition-duration: 2s; }

/* HOVER STATES */
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:scale-110:hover { transform: scale(1.1); }
.hover\:grayscale-0:hover { filter: grayscale(0%); }
.hover\:text-red-500:hover { color: #ef4444; }
.hover\:text-white:hover { color: white; }
.hover\:text-black:hover { color: black; }
.hover\:text-primary-container:hover { color: var(--primary-container); }
.hover\:bg-white:hover { background-color: white; }
.hover\:bg-primary-fixed-dim:hover { background-color: var(--primary-fixed-dim); }
.hover\:bg-on-surface:hover { background-color: var(--on-surface); }
.hover\:bg-primary-container:hover { background-color: var(--primary-container); }
.hover\:underline:hover { text-decoration: underline; }

/* GROUP HOVER */
.group {
    position: relative;
}
.group:hover .group-hover\:scale-105 { transform: scale(1.05); }
.group:hover .group-hover\:scale-110 { transform: scale(1.1); }
.group:hover .group-hover\:grayscale-0 { filter: grayscale(0%); }

/* ACTIVE STATES */
.active\:scale-95:active { transform: scale(0.95); }

/* FOCUS STATES */
.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }

/* CURSOR */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }

/* USER SELECT */
.select-none { user-select: none; }
.select-auto { user-select: auto; }

/* POINTER EVENTS */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* CONTAINER */
.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

@media (min-width: 640px) {
    .container { max-width: 640px; }
}

@media (min-width: 768px) {
    .container { max-width: 768px; }
}

@media (min-width: 1024px) {
    .container { max-width: 1024px; }
}

@media (min-width: 1280px) {
    .container { max-width: 1280px; }
}

/* GRADIENTS */
.bg-gradient-to-t {
    background-image: linear-gradient(to top, var(--tw-gradient-stops));
}

.from-black {
    --tw-gradient-stops: rgb(0 0 0 / 1);
}

.from-neutral-900 {
    --tw-gradient-stops: rgb(17 24 39 / 1);
}

.to-transparent {
    --tw-gradient-stops: rgb(0 0 0 / 0);
}

/* CUSTOM GRADIENTS */
.bg-\[radial-gradient\(circle_at_center\,\#E30613_0%\,transparent_70%\)\] {
    background-image: radial-gradient(circle at center, #E30613 0%, transparent 70%);
}

/* BACKDROP EFFECTS */
.backdrop-blur-xl {
    backdrop-filter: blur(20px);
}

/* TEXT DECORATION */
.decoration-2 { text-decoration-thickness: 2px; }
.decoration-red-600 { text-decoration-color: #dc2626; }

/* BUTTONS & FORM ELEMENTS */
button {
    appearance: none;
    background: transparent;
    border: none;
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    padding: 0;
    margin: 0;
    transition: all 0.3s ease;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* LINKS */
a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* IMAGES */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* SCROLLBAR */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #e30613;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #ff6b5b;
}

/* SELECTION */
::selection {
    background-color: var(--primary-container);
    color: var(--on-primary-container);
}

/* SPECIFIC */
.!text-5xl { font-size: 3rem !important; }
.self-start { align-self: flex-start; }

/* ACCESSIBILITY */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* MATERIAL ICONS FALLBACK (using unicode) */
.material-symbols-outlined {
    font-family: system-ui;
    font-size: 1.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: normal;
    font-style: normal;
}
