/* ===================================
   CSS VARIABLES & RESET
   =================================== */
:root {
    /* Brand Colors from colours.md */
    --color-orange: #FF7B00;
    --color-green: #00bf63;
    --color-navy: #050a30;

    /* Additional Colors */
    --color-white: #ffffff;
    --color-gray-light: #f5f5f5;
    --color-gray: #888888;
    --color-dark: #1a1a1a;

    /* Gradients */
    --gradient-orange: linear-gradient(135deg, #FF7B00 0%, #ff9933 100%);
    --gradient-green: linear-gradient(135deg, #00bf63 0%, #00d970 100%);
    --gradient-navy: linear-gradient(135deg, #050a30 0%, #0a1560 100%);
    --gradient-mixed: linear-gradient(135deg, var(--color-navy) 0%, #0a1560 50%, var(--color-orange) 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-glow-orange: 0 0 30px rgba(255, 123, 0, 0.3);
    --shadow-glow-green: 0 0 30px rgba(0, 191, 99, 0.3);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-white);
    background: var(--color-navy);
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===================================
   BACKGROUND ANIMATION
   =================================== */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: var(--gradient-mixed);
    opacity: 0.95;
}

.background-animation::before,
.background-animation::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 20s ease-in-out infinite;
}

.background-animation::before {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 123, 0, 0.3) 0%, transparent 70%);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.background-animation::after {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 191, 99, 0.3) 0%, transparent 70%);
    bottom: -10%;
    right: -10%;
    animation-delay: 5s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(50px, -50px) scale(1.1);
    }

    50% {
        transform: translate(-30px, 50px) scale(0.9);
    }

    75% {
        transform: translate(30px, 30px) scale(1.05);
    }
}

/* ===================================
   CONTAINER
   =================================== */
.container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* ===================================
   LOGO
   =================================== */
.logo-container {
    margin-bottom: var(--spacing-xl);
    animation: fadeInDown 1s ease;
}

.logo {
    width: 180px;
    height: auto;
    filter: drop-shadow(var(--shadow-glow-green));
    transition: transform var(--transition-normal);
}

.logo:hover {
    transform: scale(1.05) rotate(2deg);
}

/* ===================================
   CONTENT
   =================================== */
.content {
    text-align: center;
    max-width: 1200px;
    width: 100%;
}

.title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    animation: fadeInUp 1s ease 0.2s both;
}

.title-line {
    background: linear-gradient(90deg, var(--color-orange), var(--color-green));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(255, 123, 0, 0.3);
}

.subtitle {
    font-size: clamp(1.5rem, 4vw, 3rem);
    background: linear-gradient(90deg, var(--color-green), var(--color-white));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    animation: fadeInUp 1s ease 0.4s both;
}

/* ===================================
   TOOLS SECTION
   =================================== */
.tools-section {
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 1s ease 0.6s both;
}

.tools-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.tool-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.3);
}

.tool-card[data-color="orange"]:hover {
    border-color: var(--color-orange);
    box-shadow: var(--shadow-glow-orange);
}

.tool-card[data-color="green"]:hover {
    border-color: var(--color-green);
    box-shadow: var(--shadow-glow-green);
}

.tool-card[data-color="navy"]:hover {
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    filter: grayscale(0.3);
    transition: all var(--transition-normal);
}

.tool-card:hover .tool-icon {
    filter: grayscale(0);
    transform: scale(1.2) rotate(10deg);
}

.tool-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.tool-card[data-color="orange"] .tool-name {
    color: var(--color-orange);
}

.tool-card[data-color="green"] .tool-name {
    color: var(--color-green);
}

.tool-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* ===================================
   FOOTER NOTE
   =================================== */
.footer-note {
    text-align: center;
    margin: 60px auto 40px;
    padding: 20px;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 1s forwards;
}

.footer-note p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.95rem;
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    animation: fadeIn 1s ease 1.2s both;
}

.footer p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

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

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

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

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

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    .tools-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }

    .container {
        padding: var(--spacing-md);
    }

    .logo {
        width: 140px;
    }

    .tools-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--spacing-sm);
    }

    .logo {
        width: 120px;
    }

    .tool-card {
        padding: var(--spacing-md);
    }

    .tool-icon {
        font-size: 2.5rem;
    }
}

/* ===================================
   ACCESSIBILITY
   =================================== */
@media (prefers-reduced-motion: reduce) {

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

/* High contrast mode support */
@media (prefers-contrast: high) {
    .tool-card {
        border-width: 2px;
    }
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 3px solid var(--color-orange);
    outline-offset: 4px;
}

/* Selection color */
::selection {
    background: var(--color-orange);
    color: var(--color-white);
}