/* Indavian Technologies - Core Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Brand Colors */
    --color-primary: #0F3D32;
    /* Deep Corporate Green */
    --color-primary-light: #1A5244;
    --color-primary-dark: #082921;
    --color-secondary: #1F2937;
    /* Dark Slate Gray */
    --color-accent: #10B981;
    /* Tech Emerald */
    --color-text-main: #111827;
    --color-text-light: #6B7280;
    --color-white: #FFFFFF;
    --color-bg-light: #F9FAFB;
    --color-border: #E5E7EB;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;

    /* Layout */
    --container-width: 1200px;
    --header-height: 80px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--color-text-main);
    line-height: 1.6;
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

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

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

.text-primary {
    color: var(--color-primary);
}

.text-accent {
    color: var(--color-accent);
}

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

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

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

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

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

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
    color: var(--color-secondary);
}

h1 {
    font-size: 3rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.25rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--space-sm);
    color: var(--color-text-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

/* Header */
.header {
    height: var(--header-height);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--color-secondary);
    position: relative;
}

.nav-link:hover {
    color: var(--color-primary);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    box-shadow: var(--shadow-md);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    min-width: 220px;
    padding-top: 1rem;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 0.5rem 1rem;
    white-space: nowrap;
    border-radius: 4px;
}

.dropdown-item:hover {
    background-color: var(--color-bg-light);
    color: var(--color-primary);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero */
.hero {
    margin-top: var(--header-height);
    padding: 6rem 0;
    background: linear-gradient(135deg, #F0FDF4 0%, #FFFFFF 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-primary-dark);
}

.hero-sub {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* Footer */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--space-lg) 0 var(--space-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer h4 {
    color: white;
    margin-bottom: 1.5rem;
}

.footer p {
    color: #9CA3AF;
}

.footer a {
    color: #D1D5DB;
}

.footer a:hover {
    color: white;
}

/* Forms */
.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text-main);
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
        /* Max 32px */
    }

    .case-study-card img,
    .blog-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

    h2 {
        font-size: 1.75rem;
    }

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

    .nav-menu {
        display: none;
    }

    /* TODO: Mobile Menu JS */
    .mobile-toggle {
        display: block;
    }

    .hero {
        text-align: center;
        padding: 4rem 0;
    }

    .hero-content {
        margin: 0 auto;
    }

    .hero-actions {
        justify-content: center;
        flex-direction: column;
        /* Stack buttons */
    }

    .btn {
        display: block;
        width: 100%;
        /* Full width buttons */
        text-align: center;
        margin-bottom: 0.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}
.case-studies .grid img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}