/* ==========================================================
   Jemira Environmental — Design Tokens, Reset & Utilities
   ========================================================== */

:root {
    /* ── Colors ── */
    --jemira-primary: #0D6B4F;
    --jemira-primary-dark: #0A4F3A;
    --jemira-primary-darker: #083D2D;
    --jemira-primary-light: #10886A;
    --jemira-primary-lighter: #14A582;
    --jemira-accent: #4CAF50;
    --jemira-accent-light: #81C784;
    --jemira-gold: #C8A951;
    --jemira-gold-light: #E0C878;

    --jemira-bg: #f0f7f4;
    --jemira-bg-alt: #e8f3ee;
    --jemira-bg-white: #ffffff;
    --jemira-text: #1a1a1a;
    --jemira-text-secondary: #444444;
    --jemira-text-muted: #6b7280;
    --jemira-text-light: #ffffff;
    --jemira-border: rgba(13, 107, 79, 0.10);
    --jemira-border-light: rgba(13, 107, 79, 0.06);
    --jemira-whatsapp: #25d366;
    --jemira-whatsapp-dark: #128c7e;
    --jemira-phone: #0D6B4F;

    /* ── Typography ── */
    --font-ar: 'IBM Plex Sans Arabic', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-en: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-base: var(--font-ar);

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* ── Spacing ── */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* ── Border Radius ── */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-pill: 50px;
    --radius-circle: 50%;

    /* ── Shadows ── */
    --shadow-sm: 0 2px 8px rgba(13, 107, 79, 0.06);
    --shadow-md: 0 8px 24px rgba(13, 107, 79, 0.08);
    --shadow-lg: 0 16px 48px rgba(13, 107, 79, 0.12);
    --shadow-xl: 0 24px 64px rgba(13, 107, 79, 0.16);
    --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 12px 40px rgba(13, 107, 79, 0.14);

    /* ── Gradients ── */
    --gradient-primary: linear-gradient(135deg, var(--jemira-primary) 0%, var(--jemira-primary-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--jemira-primary) 0%, var(--jemira-accent) 100%);
    --gradient-gold: linear-gradient(135deg, var(--jemira-primary) 0%, var(--jemira-gold) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(13,107,79,0.88) 0%, rgba(10,79,58,0.94) 50%, rgba(8,61,45,0.90) 100%);
    --gradient-section: linear-gradient(180deg, var(--jemira-bg) 0%, var(--jemira-bg-white) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);

    /* ── Transitions ── */
    --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 150ms var(--ease-out);
    --transition-base: 300ms var(--ease-out);
    --transition-slow: 500ms var(--ease-out);
    --transition-spring: 400ms var(--ease-spring);

    /* ── Z-Index ── */
    --z-base: 1;
    --z-cards: 10;
    --z-sticky: 100;
    --z-floating: 900;
    --z-header: 1000;
    --z-mobile-menu: 1050;
    --z-overlay: 1040;

    /* ── Container ── */
    --container-max: 1200px;
    --container-padding: 20px;
}

/* LTR overrides */
[lang="en"] {
    --font-base: var(--font-en);
}


/* ==========================================================
   Reset
   ========================================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-base);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--jemira-text);
    background-color: var(--jemira-bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, video {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

button {
    font: inherit;
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
}

input, textarea, select {
    font: inherit;
}

:focus-visible {
    outline: 2px solid var(--jemira-primary);
    outline-offset: 2px;
}

::selection {
    background: var(--jemira-primary);
    color: white;
}


/* ==========================================================
   Typography
   ========================================================== */

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 700;
    color: var(--jemira-text);
}

h1 { font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl)); }
h2 { font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl)); }
h3 { font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl)); }
h4 { font-size: clamp(var(--text-xl), 2.5vw, var(--text-2xl)); }

p {
    color: var(--jemira-text-secondary);
    margin-bottom: var(--space-md);
}

p:last-child {
    margin-bottom: 0;
}


/* ==========================================================
   Container
   ========================================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.container--wide {
    max-width: 1400px;
}

.container--narrow {
    max-width: 800px;
}


/* ==========================================================
   Section Base
   ========================================================== */

.section {
    padding: var(--space-5xl) 0;
    position: relative;
}

.section--alt {
    background: var(--jemira-bg);
}

.section--dark {
    background: var(--gradient-primary);
    color: var(--jemira-text-light);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
    color: var(--jemira-text-light);
}

.section--dark p {
    color: rgba(255, 255, 255, 0.85);
}

.section__header {
    text-align: center;
    max-width: 700px;
    margin-inline: auto;
    margin-bottom: var(--space-3xl);
}

.section__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(13, 107, 79, 0.08);
    color: var(--jemira-primary);
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-pill);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-md);
    letter-spacing: 0.02em;
}

.section--dark .section__badge {
    background: rgba(255, 255, 255, 0.12);
    color: var(--jemira-accent-light);
}

.section__title {
    margin-bottom: var(--space-md);
}

.section__subtitle {
    font-size: var(--text-lg);
    color: var(--jemira-text-muted);
    line-height: 1.8;
}

.section--dark .section__subtitle {
    color: rgba(255, 255, 255, 0.75);
}


/* ==========================================================
   Grid Utilities
   ========================================================== */

.grid {
    display: grid;
    gap: var(--space-xl);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 991px) {
    .grid--3 { grid-template-columns: repeat(2, 1fr); }
    .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
    .grid--2,
    .grid--3,
    .grid--4 { grid-template-columns: 1fr; }

    .section {
        padding: var(--space-3xl) 0;
    }
}

@media (max-width: 575px) {
    :root {
        --container-padding: 16px;
    }

    .section {
        padding: var(--space-2xl) 0;
    }
}


/* ==========================================================
   Text Utilities
   ========================================================== */

.text-center { text-align: center; }
.text-primary { color: var(--jemira-primary); }
.text-accent { color: var(--jemira-accent); }
.text-gold { color: var(--jemira-gold); }
.text-muted { color: var(--jemira-text-muted); }
.text-white { color: var(--jemira-text-light); }

.text-gradient {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Kill transitions during language switch to prevent mobile menu flash */
.lang-switching,
.lang-switching *,
.lang-switching *::before,
.lang-switching *::after {
    transition: none !important;
    animation: none !important;
}

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