/**
 * Main Stylesheet for GIIP
 * Complete styles for layout, components, and responsive design
 */

/* ========================================
   CSS Variables
   ======================================== */
:root {
    --primary-dark: #0B4D3E;
    --primary: #1B5E20;
    --primary-light: #2E7D32;
    --accent: #E63946;
    --light: #C8E6C9;
    --white: #FFFFFF;
    --gray: #F5F5F5;
    --dark-gray: #333333;
    --text: #424242;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* ========================================
   Global Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--white);
    font-size: 16px;
    margin: 0;
    padding: 0;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Header & Navigation
   ======================================== */
header {
    background-color: var(--primary-dark);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-image {
    height: 40px;
    margin-right: 10px;
}

.logo-text {
    color: var(--white);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

/* ========================================
   Mobile Menu
   ======================================== */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    padding: 5px 10px;
    z-index: 110;
}

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 104;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   Sections
   ======================================== */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 2.2rem;
    color: var(--primary-dark);
    position: relative;
    display: inline-block;
    margin-bottom: 15px;
}

.section-title h2::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--accent);
    border-radius: 2px;
}

.section-title p {
    color: var(--text);
    max-width: 700px;
    margin: 0 auto;
    font-size: 0.95rem;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--accent);
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 14px;
    cursor: pointer;
}

.btn-outline {
    background-color: transparent;
    margin-left: 15px;
}

.btn:hover {
    background-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(230, 57, 70, 0.3);
}

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

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 99;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--primary);
    transform: translateY(-5px);
}

/* ========================================
   Responsive Design - Mobile
   ======================================== */
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: -100%;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--primary-dark);
        flex-direction: column;
        padding: 80px 25px 30px;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 2px 0 15px rgba(0, 0, 0, 0.2);
        z-index: 105;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 0 0 12px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        font-size: 16px;
        padding: 10px 12px;
        line-height: 1.4;
    }

    section {
        padding: 60px 0;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .btn {
        font-size: 14px;
        padding: 10px 20px;
        margin-bottom: 12px;
    }

    .btn-outline {
        margin-left: 0 !important;
        margin-top: 12px;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    header,
    .mobile-menu-btn,
    .menu-overlay,
    .back-to-top,
    .btn {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    section {
        page-break-inside: avoid;
    }
}