@import url('https://fonts.googleapis.com/css2?family=Geist:wght@100..900&family=Manrope:wght@200..800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Electrolize&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Prosto+One&display=swap');

/* ==========================================================================
   Base CSS - Reset, Variables, and Typography
   ========================================================================== */

/* CSS Reset and Normalization */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-size: var(--font-size-body);
    line-height: var(--line-height-normal);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: opacity 0.1s ease-out;
}

/* Remove default styling from common elements */
h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    font-weight: inherit;
    line-height: var(--line-height-tight);
}

p,
ul,
ol,
dl,
blockquote,
pre {
    margin: 0;
}

ul,
ol {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
}

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

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

input,
button,
textarea,
select {
    font: inherit;
}

/* Root CSS Variables */
:root {
    /* Typography */
    --font-primary: "Manrope", sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI';
    --font-secondary: "Faustina", serif, -apple-system, BlinkMacSystemFont, 'Segoe UI';
    --font-mono: "Electrolize", sans-serif;
    --font-display: "Prosto One", sans-serif;

    /* Font Sizes - Mobile-first responsive using clamp() */
    --font-size-herod: clamp(3rem, 10vw, 12rem);
    --font-size-hero: clamp(3rem, 8vw, 6rem);
    --font-size-h1: clamp(1.75rem, 5vw, 3.5rem);
    --font-size-h2: clamp(1.5rem, 4vw, 2.5rem);
    --font-size-h3: clamp(1.25rem, 3vw, 2rem);
    --font-size-body: clamp(1rem, 2.5vw, 1.125rem);
    --font-size-small: clamp(0.875rem, 2vw, 1rem);
    --font-size-xs: clamp(0.75rem, 1.5vw, 0.875rem);

    /* Line Heights */
    --line-height-tight: 1.2;
    --line-height-normal: 1.6;
    --line-height-loose: 1.8;

    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing Scale */
    --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;

    /* Layout - Mobile-first responsive */
    --container-max-width: 1440px;
    --container-padding: clamp(1rem, 4vw, 2rem);
    --section-padding: clamp(3rem, 8vw, 6rem);
    --section-padding-mobile: clamp(2rem, 6vw, 4rem);

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.6s ease-in-out;
    --transition-theme: 0.4s cubic-bezier(0.4, 0, 0.2, 1);


    /* Colors */
    --clr-primary-blue: #0e326b;
    --clr-primary-orange: #FF4F00;
    --clr-secondary-blue: #01205b;
    --clr-secondary-orange: #FF4500;
    --clr-neutral-white: #FFFFFF;
    --clr-neutral-blue: #e9e9e9;
    --clr-neutral-black: #000000;

}

/* Base Typography Styles */
.text-hero {
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
}

.text-h1 {
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
}

.text-h2 {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
}

.text-h3 {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-tight);
}

.text-body {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
}

.text-small {
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
}

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

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Enhanced Focus Styles for Accessibility */
:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 0 1px var(--bg-color), 0 0 0 4px var(--accent-color);
}

/* Enhanced focus for interactive elements */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
    background-color: var(--bg-secondary);
    transform: scale(1.02);
    transition: all var(--transition-fast);
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    border-radius: var(--radius-sm);
    z-index: var(--z-modal);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-body);
    transition: all var(--transition-fast);
    border: 2px solid var(--primary-color);
}

.skip-link:focus {
    top: 6px;
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

.skip-link:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

/* Initial states for GSAP animations */
footer {
    opacity: 0;
    transform: translateY(30px);
}

/* Color scheme preferences */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        --text-primary: #ffffff;
        --text-secondary: #b3b3b3;
        --bg-color: #000000;
        --bg-secondary: #1a1a1a;
        --bg-tertiary: #2d2d2d;
        --border-color: #404040;
        --primary-color: #ff4f00;
        --primary-hover: #e63900;
        --accent-color: #007bff;
        --color-white: #ffffff;
        --color-black: #000000;
    }
}

@media (prefers-color-scheme: light) {
    :root:not([data-theme]) {
        --text-primary: #000000;
        --text-secondary: #666666;
        --bg-color: #ffffff;
        --bg-secondary: #f8f9fa;
        --bg-tertiary: #e9ecef;
        --border-color: #dee2e6;
        --primary-color: #ff4f00;
        --primary-hover: #e63900;
        --accent-color: #007bff;
        --color-white: #ffffff;
        --color-black: #000000;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    /* Reset initial states for reduced motion */
    footer {
        opacity: 1;
        transform: none;
    }
}

/* Animation Fallbacks and Initial States */
.hero-title,
.hero-subtitle,
.hero-logo,
.nav-corner,
.about-content,
.portfolio-item,
.contact-content,
footer {
    opacity: 1;
    transform: none;
}

/* Only hide elements if GSAP is confirmed to be loaded */
.gsap-loaded .hero-title,
.gsap-loaded .hero-subtitle,
.gsap-loaded .hero-logo,
.gsap-loaded .nav-corner,
.gsap-loaded .about-content,
.gsap-loaded .portfolio-item,
.gsap-loaded .contact-content,
.gsap-loaded footer {
    opacity: 0;
    transform: translateY(30px);
}

/* Animation states for better UX */
.animating {
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.animation-complete {
    opacity: 1 !important;
    transform: none !important;
}

/* Fallback animations for when GSAP is not available */
@media (prefers-reduced-motion: no-preference) {

    .no-gsap .hero-title,
    .no-gsap .hero-subtitle,
    .no-gsap .hero-logo,
    .no-gsap .nav-corner,
    .no-gsap .about-content,
    .no-gsap .portfolio-item,
    .no-gsap .contact-content,
    .no-gsap footer {
        animation: fadeInUp 0.6s ease-out forwards;
    }

    .no-gsap .hero-title {
        animation-delay: 0.2s;
    }

    .no-gsap .hero-subtitle {
        animation-delay: 0.4s;
    }

    .no-gsap .nav-corner {
        animation-delay: 0.6s;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ----------------------------------------------
   Tooltip utility
   Usage: add class "has-tooltip" and data-tooltip="Text"
   ---------------------------------------------- */
.has-tooltip {
    position: relative;
}

.has-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    bottom: 125%;
    transform: translate(-50%, 6px) scale(0.98);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    white-space: nowrap;
    border: 1px solid var(--border-color);
    z-index: var(--z-tooltip);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.has-tooltip::before {
    content: "";
    position: absolute;
    left: 50%;
    bottom: calc(125% - 4px);
    transform: translateX(-50%) rotate(45deg) scale(0.98);
    width: 8px;
    height: 8px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    border-top: 1px solid var(--border-color);
    opacity: 0;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    z-index: var(--z-tooltip);
}

.has-tooltip:hover::after,
.has-tooltip:focus-visible::after,
.has-tooltip:hover::before,
.has-tooltip:focus-visible::before {
    opacity: 1;
    transform: translate(-50%, 0) rotate(0) scale(1);
}