/* ==========================================================================
   Technology Incubation - Global Styles
   ========================================================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&family=Open+Sans:wght@300;400;600&display=swap');

/* --- CSS Variables (Design Tokens) --- */
:root {
    /* Colors - Modern Premium Light Theme (Default) */
    --color-primary: #8BC53F;
    --color-primary-glow: rgba(139, 197, 63, 0.3);
    --color-secondary: #0056b3;
    --color-white: #FFFFFF;
    --color-black: #000000;

    --color-bg-base: #ffffff;
    --color-bg-light: #f5f7f9;
    --color-bg-card: rgba(255, 255, 255, 0.85);

    --color-text-main: #222222;
    --color-text-muted: #5a667b;
    --color-border: rgba(0, 0, 0, 0.08);

    /* Glassmorphism settings */
    --glass-blur: blur(12px);
    --glass-border: 1px solid rgba(0, 0, 0, 0.08);

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Layout */
    --container-max-width: 1200px;
    --section-padding: 100px 20px;

    /* Effects */
    --transition-fast: 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    --box-shadow-hover: 0 20px 40px -10px rgba(139, 197, 63, 0.3);
    --box-shadow-glow: 0 0 20px var(--color-primary-glow);
    --border-radius: 16px;
    --color-nav-bg: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] {
    /* Colors - Modern Dark Premium Theme */
    --color-primary: #9acd32;
    --color-primary-glow: rgba(154, 205, 50, 0.4);
    --color-nav-bg: rgba(15, 17, 21, 0.85);

    --color-bg-base: #0f1115;
    --color-bg-light: #161920;
    --color-bg-card: rgba(22, 25, 32, 0.6);

    --color-text-main: #e0e0e0;
    --color-text-muted: #8892b0;
    --color-border: rgba(255, 255, 255, 0.1);

    --glass-border: 1px solid rgba(255, 255, 255, 0.08);

    --box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --box-shadow-hover: 0 20px 40px -10px rgba(154, 205, 50, 0.15);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-main);
    background-color: var(--color-bg-base);
    background-image:
        radial-gradient(circle at 15% 50%, rgba(139, 197, 63, 0.05), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(139, 197, 63, 0.05), transparent 25%);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}



/* --- Typography --- */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-text-main);
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

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

ul,
ol {
    list-style: none;
}

/* --- Layout Utility Classes --- */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: var(--section-padding);
}

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

.text-center {
    text-align: center;
}

/* Grid System */
.grid {
    display: grid;
    gap: 2rem;
}

.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: 900px) {

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

@media (max-width: 600px) {

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

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.btn:hover {
    background-color: #79ac36;
    /* Slightly darker green */
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
    color: var(--color-white);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* --- Bento Grid Layout (Global) --- */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(200px, auto);
    gap: 1.5rem;
    perspective: 1000px;
}

.bento-item {
    background: var(--color-bg-card);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    padding: 2rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: all var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.item-large {
    grid-column: span 3;
    flex-direction: row;
    position: relative;
    padding: 0;
    /* Remove padding to let image bleed to edge */
    overflow: hidden;
}

.item-large>div:first-child {
    padding: 3rem 4rem 3rem 3rem;
    /* Extra padding right to aggressively stop text overlap */
    width: 50%;
    position: relative;
    z-index: 2;
    /* Keep text above the image */
}

/* AI Image Blending - Full Right Split */
.bento-item .bento-img {
    position: absolute;
    right: 0;
    top: 0;
    width: 50%;
    height: 100%;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    /* Soft linear gradient mask fading into the text side */
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 40%);
    mask-image: linear-gradient(to right, transparent 0%, black 40%);
}

@media (max-width: 900px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }

    .item-large {
        grid-column: span 1;
        flex-direction: column;
    }

    .item-large>div:first-child {
        width: 100%;
        padding: 2rem;
    }

    .bento-item .bento-img {
        position: relative;
        width: 100%;
        height: 250px;
        border-radius: 0 0 var(--border-radius) var(--border-radius);
        -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 30%);
        mask-image: linear-gradient(to bottom, transparent 0%, black 30%);
    }
}

/* --- UI Components / Glassmorphism Cards --- */
.card {
    background: var(--color-bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-hover);
    border-color: rgba(154, 205, 50, 0.3);
}

/* 2.5D Tilt Context */
.tilt-card {
    transform-style: preserve-3d;
    will-change: transform;
}

.tilt-content {
    transform: translateZ(30px);
    /* Pushes content out in 3D space */
}


/* --- Navbar (Sticky) --- */
.navbar {
    position: fixed;
    /* Better for parallax layouts */
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-nav-bg);
    /* Frosted glass */
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 20px 0;
    transition: padding var(--transition-fast), background-color var(--transition-fast), backdrop-filter var(--transition-fast);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.nav-logo {
    max-height: 45px;
    width: auto;
}

.nav-text-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--color-primary);
    font-size: 1.2rem;
    line-height: 1.1;
    text-transform: lowercase;
    letter-spacing: -0.5px;
}


.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-menu li a {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text-main);
    text-transform: uppercase;
    position: relative;
    padding-bottom: 5px;
    letter-spacing: 1px;
}

/* Hover Effect for Links */
.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
    width: 100%;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--color-primary);
}

/* Theme Toggle Button */
.theme-toggle {
    background: transparent;
    border: none;
    color: var(--color-text-main);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 10px;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--color-primary);
    transform: scale(1.1);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--color-white);
}

@media (max-width: 850px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
        text-align: center;
        gap: 1.5rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }
}

/* --- Footer --- */
.site-footer {
    background-color: var(--color-bg-light);
    color: var(--color-text-main);
    padding: 80px 0 30px;
    margin-top: 60px;
    border-top: 1px solid var(--color-border);
}

[data-theme="dark"] .site-footer {
    background-color: #0a0c0e;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: var(--color-text-main);
    margin-bottom: 0.5rem;
}

.footer-slogan {
    color: var(--color-primary);
    font-style: italic;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

.footer-contact p {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--color-text-muted);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}