@tailwind base;
@tailwind components;
@tailwind utilities;

/* ------------------------------------------------------------------ */
/* Theme tokens — dark is the default; .light overrides on <html>      */
/* ------------------------------------------------------------------ */
:root {
    --brand: #00a693;
    --color-bg-page: #04120f;
    --color-bg-elevated: #0c2b24;
    --color-bg-surface: rgba(255, 255, 255, 0.045);
    --color-bg-surface-strong: rgba(255, 255, 255, 0.08);
    --color-border: rgba(0, 166, 147, 0.28);
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(230, 247, 244, 0.72);
    --color-scrollbar-track: #071e19;
    --color-scrollbar-thumb: #0b5c50;
    color-scheme: dark;
}

html.light {
    --color-bg-page: #f5fbf9;
    --color-bg-elevated: #ffffff;
    --color-bg-surface: rgba(0, 89, 79, 0.045);
    --color-bg-surface-strong: rgba(0, 89, 79, 0.08);
    --color-border: rgba(0, 166, 147, 0.25);
    --color-text-primary: #04231f;
    --color-text-secondary: rgba(4, 35, 31, 0.68);
    --color-scrollbar-track: #e1f3ef;
    --color-scrollbar-thumb: #8fdccc;
    color-scheme: light;
}

html,
body {
    padding: 0;
    margin: 0;
    scroll-behavior: smooth;
}

html[dir='rtl'] body {
    font-family: var(--font-vazirmatn), Tahoma, sans-serif;
}

* {
    box-sizing: border-box;
}

::selection {
    background: rgba(0, 166, 147, 0.35);
    color: var(--color-text-primary);
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--color-scrollbar-thumb);
    border-radius: 999px;
}

/* Semantic surface/text utilities — read the theme variables above so every
   component that uses them automatically supports dark + light mode. */
.bg-page {
    background-color: var(--color-bg-page);
}

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

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

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

.border-subtle {
    border-color: var(--color-border);
}

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

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

/* Opacity variants of the tokens above (Tailwind's /NN modifier only works on
   Tailwind-generated utilities, not these hand-written classes). */
.bg-page-60 {
    background-color: color-mix(in srgb, var(--color-bg-page) 60%, transparent);
}

.bg-page-70 {
    background-color: color-mix(in srgb, var(--color-bg-page) 70%, transparent);
}

.bg-page-85 {
    background-color: color-mix(in srgb, var(--color-bg-page) 85%, transparent);
}

.bg-elevated-95 {
    background-color: color-mix(in srgb, var(--color-bg-elevated) 95%, transparent);
}

.text-primary-90 {
    color: color-mix(in srgb, var(--color-text-primary) 90%, transparent);
}

/* ------------------------------------------------------------------ */
/* Horizontal scroll showcase (pinned via GSAP ScrollTrigger)          */
/* ------------------------------------------------------------------ */
.horizontal-track {
    display: flex;
    height: 100vh;
    width: 100vw;
    will-change: transform;
}

.horizontal-panel {
    height: 100vh;
    width: 100vw;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

/* ------------------------------------------------------------------ */
/* Cursor spotlight / lens reveal effect over the vending machine       */
/* ------------------------------------------------------------------ */
.spotlight-stage {
    position: relative;
    cursor: none;
    isolation: isolate;
}

.spotlight-stage .base-layer,
.spotlight-stage .reveal-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
    user-select: none;
}

.spotlight-stage .reveal-layer {
    clip-path: circle(0px at 50% 50%);
    transition: clip-path 0.05s linear;
}

.spotlight-lens {
    position: absolute;
    top: 0;
    left: 0;
    width: 190px;
    height: 190px;
    border-radius: 999px;
    border: 2px solid rgba(0, 166, 147, 0.9);
    box-shadow: 0 0 0 4px rgba(0, 166, 147, 0.15),
    0 0 40px 6px rgba(0, 166, 147, 0.45);
    pointer-events: none;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 30;
}

.spotlight-stage:hover .spotlight-lens {
    opacity: 1;
}

/* Utility: hide native scrollbar but keep scroll functionality */
.no-scrollbar::-webkit-scrollbar {
    display: none;
}

.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* Gradient text helper for headings */
.brand-gradient-text {
    background: linear-gradient(90deg, #6fe0c9 0%, #00a693 55%, #017065 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ------------------------------------------------------------------ */
/* Typewriter caret for the hero headline                              */
/* ------------------------------------------------------------------ */
.typewriter-caret {
    display: inline-block;
    width: 3px;
    margin-inline-start: 4px;
    background-color: var(--brand);
    animation: caretBlink 0.9s steps(1) infinite;
}

@keyframes caretBlink {
    0%, 49% {
        opacity: 1;
    }
    50%, 100% {
        opacity: 0;
    }
}