/* =========================================================
   THE CREATIVE STUDIO — DESIGN VARIABLES
   Load this file before every other stylesheet:
   <link rel="stylesheet" href="variables.css">
   <link rel="stylesheet" href="style.css">
   ========================================================= */

:root {
    /* -----------------------------------------------------
       Brand colors
       ----------------------------------------------------- */

    --primary: #1F73E8;
    --primary-light: #4EA6FF;
    --primary-dark: #155FC8;
    --primary-deep: #104C9F;
    --accent: #7BC4FF;
    --accent-light: #DFF1FF;
    --accent-soft: #EEF7FF;

    --brand-blue: var(--primary);
    --brand-blue-light: var(--primary-light);
    --brand-blue-dark: var(--primary-dark);
    --brand-sky: var(--accent);

    /* -----------------------------------------------------
       Neutral colors
       ----------------------------------------------------- */

    --white: #FFFFFF;
    --black: #000000;

    --dark: #1B1B1B;
    --dark-blue: #172033;
    --text: #344054;
    --text-muted: #667085;
    --gray: #7A7A7A;

    --gray-25: #FCFCFD;
    --gray-50: #F9FAFB;
    --gray-100: #F2F4F7;
    --gray-200: #EAECF0;
    --gray-300: #D0D5DD;
    --gray-400: #98A2B3;
    --gray-500: #667085;
    --gray-600: #475467;
    --gray-700: #344054;
    --gray-800: #1D2939;
    --gray-900: #101828;

    /* -----------------------------------------------------
       Backgrounds and surfaces
       ----------------------------------------------------- */

    --light: #F5F6F8;
    --page-background: #FFFFFF;
    --page-background-soft: #F6FAFF;
    --section-background: #F8FBFF;
    --surface: #FFFFFF;
    --surface-soft: #F8FBFF;
    --surface-blue: #EEF6FF;
    --surface-blue-strong: #E3F1FF;
    --overlay-dark: rgba(9, 18, 32, .80);
    --header-background: rgba(255, 255, 255, .94);
    --footer-background: #000000;

    /* -----------------------------------------------------
       Borders and dividers
       ----------------------------------------------------- */

    --border: #D0DDF0;
    --border-light: #DBE9FF;
    --border-blue: #C8DCF8;
    --border-strong: #B6CEF0;
    --divider: #E5EDF8;
    --footer-divider: rgba(255, 255, 255, .18);

    /* -----------------------------------------------------
       Semantic colors
       ----------------------------------------------------- */

    --success: #2D8B42;
    --success-dark: #236D35;
    --success-background: #EAF9EF;
    --success-border: #BFE4CA;

    --warning: #9A6500;
    --warning-dark: #754D00;
    --warning-background: #FFF7DC;
    --warning-border: #EBD28A;

    --danger: #C62828;
    --danger-dark: #9F1F1F;
    --danger-background: #FFF0F0;
    --danger-border: #EDB8B8;

    --info: #155BC0;
    --info-dark: #104A9D;
    --info-background: #EEF6FF;
    --info-border: #C7DDF9;

    /* -----------------------------------------------------
       Typography
       ----------------------------------------------------- */

    --font-body: "Inter", Arial, sans-serif;
    --font-heading: "Poppins", Arial, sans-serif;

    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    --font-size-xs: .75rem;
    --font-size-sm: .875rem;
    --font-size-base: 1rem;
    --font-size-md: 1.0625rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    --line-height-tight: 1.15;
    --line-height-heading: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;
    --line-height-loose: 1.85;

    --letter-spacing-tight: -.02em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: .04em;
    --letter-spacing-wider: .08em;

    /* -----------------------------------------------------
       Fluid typography
       ----------------------------------------------------- */

    --heading-1: clamp(2.25rem, 5.5vw, 4.5rem);
    --heading-2: clamp(1.8rem, 4vw, 2.75rem);
    --heading-3: clamp(1.2rem, 2vw, 1.5rem);
    --body-large: clamp(1rem, 1.5vw, 1.15rem);

    /* -----------------------------------------------------
       Spacing
       ----------------------------------------------------- */

    --space-0: 0;
    --space-1: .25rem;
    --space-2: .5rem;
    --space-3: .75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-7: 1.75rem;
    --space-8: 2rem;
    --space-9: 2.25rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-14: 3.5rem;
    --space-16: 4rem;
    --space-18: 4.5rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-28: 7rem;
    --space-32: 8rem;

    --section-padding: clamp(3.75rem, 8vw, 6.25rem);
    --section-padding-small: clamp(2.75rem, 6vw, 4.5rem);
    --container-gutter: clamp(1.125rem, 4vw, 2.125rem);
    --grid-gap: clamp(1.125rem, 3vw, 1.75rem);
    --card-padding: clamp(1.25rem, 3vw, 2rem);

    /* -----------------------------------------------------
       Layout
       ----------------------------------------------------- */

    --max-width: 1280px;
    --max-width-wide: 1400px;
    --max-width-content: 920px;
    --max-width-narrow: 760px;

    --header-height: 88px;
    --content-width: min(
        calc(100% - (var(--container-gutter) * 2)),
        var(--max-width)
    );

    /* -----------------------------------------------------
       Border radii
       ----------------------------------------------------- */

    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius: 14px;
    --radius-md: 16px;
    --radius-lg: 18px;
    --radius-xl: 22px;
    --radius-2xl: 28px;
    --radius-round: 999px;
    --radius-circle: 50%;

    /* -----------------------------------------------------
       Shadows
       ----------------------------------------------------- */

    --shadow-xs: 0 2px 8px rgba(15, 38, 75, .06);
    --shadow-sm: 0 8px 22px rgba(15, 38, 75, .08);
    --shadow: 0 10px 25px rgba(0, 0, 0, .12);
    --shadow-md: 0 16px 40px rgba(15, 38, 75, .10);
    --shadow-lg: 0 24px 58px rgba(15, 38, 75, .14);
    --shadow-xl: 0 32px 90px rgba(0, 0, 0, .28);
    --shadow-primary: 0 14px 34px rgba(31, 115, 232, .18);
    --shadow-focus: 0 0 0 4px rgba(31, 115, 232, .14);

    /* -----------------------------------------------------
       Motion
       ----------------------------------------------------- */

    --transition: .3s ease;
    --transition-fast: .16s ease;
    --transition-normal: .26s ease;
    --transition-slow: .52s ease;

    --ease-standard: cubic-bezier(.2, .75, .25, 1);
    --ease-out: cubic-bezier(.16, 1, .3, 1);
    --ease-in-out: cubic-bezier(.65, 0, .35, 1);
    --ease-bounce: cubic-bezier(.34, 1.56, .64, 1);

    --motion-fast: 160ms;
    --motion-normal: 260ms;
    --motion-slow: 520ms;
    --motion-long: 820ms;

    /* -----------------------------------------------------
       Z-index scale
       ----------------------------------------------------- */

    --z-base: 1;
    --z-content: 10;
    --z-dropdown: 100;
    --z-sticky: 500;
    --z-header: 1000;
    --z-mobile-navigation: 1100;
    --z-toast: 2000;
    --z-modal: 3000;
    --z-tooltip: 4000;

    /* -----------------------------------------------------
       Form tokens
       ----------------------------------------------------- */

    --form-background: #FFFFFF;
    --form-background-soft: #F8FBFF;
    --form-border: var(--border);
    --form-border-light: var(--border-light);
    --form-placeholder: #8B96A8;
    --form-disabled-background: #F2F4F7;
    --form-disabled-text: #87909F;
    --form-control-height: 50px;
    --form-control-padding: 13px 15px;
    --form-control-radius: 12px;
    --form-focus: var(--shadow-focus);

    /* -----------------------------------------------------
       Button tokens
       ----------------------------------------------------- */

    --button-height: 48px;
    --button-padding: 12px 25px;
    --button-radius: var(--radius-round);
    --button-primary-background: var(--primary);
    --button-primary-hover: var(--primary-dark);
    --button-primary-text: #FFFFFF;
    --button-secondary-background: #FFFFFF;
    --button-secondary-border: var(--primary);
    --button-secondary-text: var(--primary);

    /* -----------------------------------------------------
       Card tokens
       ----------------------------------------------------- */

    --card-background: #FFFFFF;
    --card-border: var(--border-light);
    --card-radius: var(--radius-lg);
    --card-shadow: var(--shadow-md);
    --card-shadow-hover: var(--shadow-lg);

    /* -----------------------------------------------------
       Header tokens
       ----------------------------------------------------- */

    --header-bg: var(--header-background);
    --header-border: #E6EEF9;
    --header-shadow: 0 8px 22px rgba(15, 38, 75, .05);
    --navigation-link-color: var(--dark-blue);
    --navigation-link-hover: var(--primary);

    /* -----------------------------------------------------
       Footer tokens
       ----------------------------------------------------- */

    --footer-bg: var(--footer-background);
    --footer-text: #FFFFFF;
    --footer-link: #FFFFFF;
    --footer-link-hover: var(--accent);
    --footer-border: var(--footer-divider);

    /* -----------------------------------------------------
       Component compatibility aliases
       These keep the separate page stylesheets consistent.
       ----------------------------------------------------- */

    --form-primary: var(--primary);
    --form-primary-light: var(--primary-light);
    --form-accent: var(--accent);
    --form-dark: var(--dark);
    --form-gray: var(--text-muted);
    --form-white: var(--white);
    --form-page: var(--page-background-soft);
    --form-soft: var(--surface-soft);
    --form-success: var(--success);
    --form-success-bg: var(--success-background);
    --form-warning: var(--warning);
    --form-warning-bg: var(--warning-background);
    --form-danger: var(--danger);
    --form-danger-bg: var(--danger-background);
    --form-info: var(--info);
    --form-info-bg: var(--info-background);
    --form-radius-sm: var(--radius-sm);
    --form-radius: var(--radius);
    --form-radius-lg: var(--radius-xl);
    --form-shadow: var(--shadow-md);
    --form-transition: var(--transition-normal);

    --pricing-primary: var(--primary);
    --pricing-primary-light: var(--primary-light);
    --pricing-accent: var(--accent);
    --pricing-dark: var(--dark-blue);
    --pricing-gray: var(--text-muted);
    --pricing-page: var(--page-background-soft);
    --pricing-soft: var(--surface-soft);
    --pricing-border: var(--border-light);
    --pricing-white: var(--white);
    --pricing-success: var(--success);
    --pricing-success-bg: var(--success-background);
    --pricing-danger: var(--danger);
    --pricing-danger-bg: var(--danger-background);
    --pricing-warning: var(--warning);
    --pricing-warning-bg: var(--warning-background);
    --pricing-radius: var(--radius-lg);
    --pricing-radius-lg: var(--radius-xl);
    --pricing-shadow: var(--shadow-md);
    --pricing-shadow-hover: var(--shadow-lg);
    --pricing-transition: var(--transition-normal);

    --portfolio-primary: var(--primary);
    --portfolio-primary-light: var(--primary-light);
    --portfolio-accent: var(--accent);
    --portfolio-dark: var(--dark-blue);
    --portfolio-gray: var(--text-muted);
    --portfolio-page: var(--page-background-soft);
    --portfolio-soft: var(--surface-soft);
    --portfolio-border: var(--border-light);
    --portfolio-white: var(--white);
    --portfolio-shadow: var(--shadow-md);
    --portfolio-shadow-hover: var(--shadow-lg);
    --portfolio-radius: var(--radius-lg);
    --portfolio-radius-lg: var(--radius-xl);
    --portfolio-transition: var(--transition-normal);

    --responsive-gutter: var(--container-gutter);
    --responsive-section-space: var(--section-padding);
    --responsive-card-gap: var(--grid-gap);
    --responsive-radius: var(--radius-md);

    --motion-primary: var(--primary);
    --motion-primary-light: var(--primary-light);
    --motion-accent: var(--accent);
    --motion-ease: var(--ease-standard);
    --motion-ease-out: var(--ease-out);
    --motion-ease-in-out: var(--ease-in-out);
    --motion-bounce: var(--ease-bounce);
    --motion-distance-sm: 10px;
    --motion-distance: 24px;
    --motion-distance-lg: 42px;
}

/* ---------------------------------------------------------
   Compact devices
   --------------------------------------------------------- */

@media (max-width: 760px) {
    :root {
        --header-height: 76px;
        --container-gutter: 18px;
        --section-padding: 3.875rem;
        --section-padding-small: 3rem;
        --card-padding: 1.25rem;
        --grid-gap: 1.125rem;
    }
}

/* ---------------------------------------------------------
   Small mobile devices
   --------------------------------------------------------- */

@media (max-width: 520px) {
    :root {
        --container-gutter: 15px;
        --section-padding: 3.25rem;
        --section-padding-small: 2.5rem;
        --card-padding: 1.0625rem;
        --header-height: 70px;
    }
}

/* ---------------------------------------------------------
   Accessibility
   --------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    :root {
        --transition: 0ms;
        --transition-fast: 0ms;
        --transition-normal: 0ms;
        --transition-slow: 0ms;
        --motion-fast: 0ms;
        --motion-normal: 0ms;
        --motion-slow: 0ms;
        --motion-long: 0ms;
    }
}

/* ---------------------------------------------------------
   Print
   --------------------------------------------------------- */

@media print {
    :root {
        --page-background: #FFFFFF;
        --page-background-soft: #FFFFFF;
        --section-background: #FFFFFF;
        --surface: #FFFFFF;
        --surface-soft: #FFFFFF;
        --text: #000000;
        --text-muted: #333333;
        --shadow-xs: none;
        --shadow-sm: none;
        --shadow: none;
        --shadow-md: none;
        --shadow-lg: none;
        --shadow-xl: none;
        --shadow-primary: none;
    }
}