/* 
* Gege Investments - Main Stylesheet
* A professional construction company landing page
* Modern UI/UX design with clean aesthetics
*/

/* ======= Design System ======= */
:root {
    /* Color Palette */
    --primary: #ff6b35;
    --primary-dark: #e55a2b;
    --primary-light: #ff8c69;
    --secondary: #1a365d;
    --secondary-dark: #0f2a44;
    --secondary-light: #2d5a87;
    --gray-100: #f7fafc;
    --gray-200: #edf2f7;
    --gray-300: #e2e8f0;
    --gray-400: #cbd5e0;
    --gray-500: #a0aec0;
    --gray-600: #718096;
    --gray-700: #4a5568;
    --gray-800: #2d3748;
    --gray-900: #1a202c;
    --white: #ffffff;
    --success: #48bb78;
    --warning: #ed8936;
    --error: #f56565;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --spacing-1: 0.25rem;  /* 4px */
    --spacing-2: 0.5rem;   /* 8px */
    --spacing-3: 0.75rem;  /* 12px */
    --spacing-4: 1rem;     /* 16px */
    --spacing-5: 1.5rem;   /* 24px */
    --spacing-6: 2rem;     /* 32px */
    --spacing-7: 2.5rem;   /* 40px */
    --spacing-8: 3rem;     /* 48px */
    --spacing-9: 4rem;     /* 64px */
    --spacing-10: 5rem;    /* 80px */
    
    /* Borders */
    --radius-sm: 0.25rem;  /* 4px */
    --radius-md: 0.375rem; /* 6px */
    --radius-lg: 0.5rem;   /* 8px */
    --radius-xl: 0.75rem;  /* 12px */
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* ======= Reset & Base Styles ======= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    list-style: none;
}

/* ======= Typography ======= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--gray-900);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.5em;
}

h1 {
    font-size: 2.75rem;
    letter-spacing: -0.025em;
}

h2 {
    font-size: 2.25rem;
    letter-spacing: -0.025em;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
    font-weight: 600;
}

p {
    margin-bottom: 1.5rem;
}

.section-title {
    position: relative;
    text-align: center;
    margin-bottom: var(--spacing-7);
    padding-bottom: var(--spacing-3);
}

.section p:first-of-type {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary);
}

/* ======= Layout ======= */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.section {
    padding: var(--spacing-9) 0;
}

.section-gray {
    background-color: var(--gray-100);
}

/* ======= Grid System ======= */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    padding: 0 15px;
    flex: 1;
}

/* ======= Header & Navigation ======= */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-3) 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

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

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

.logo img {
    height: 70px;
    width: auto;
}

nav ul {
    display: flex;
    gap: var(--spacing-5);
}

nav a {
    color: var(--gray-800);
    font-weight: 500;
    padding: var(--spacing-2) 0;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width var(--transition-normal);
}

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

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

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--gray-800);
}

/* ======= Hero Section ======= */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    max-height: 800px;
    background: linear-gradient(rgba(26, 54, 93, 0.8), rgba(15, 42, 68, 0.9)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-5);
}

.hero h1 {
    color: var(--white);
    font-size: 3.5rem;
    margin-bottom: var(--spacing-4);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-6);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
}

.scroll-down-arrow {
    position: absolute;
    bottom: var(--spacing-6);
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bounce 2s infinite;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.scroll-down-arrow:hover {
    background-color: var(--primary);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ======= Buttons ======= */
.btn {
    display: inline-block;
    padding: var(--spacing-3) var(--spacing-5);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    outline: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-text {
    color: var(--primary);
    padding: var(--spacing-2) 0;
    position: relative;
    font-weight: 500;
}

.btn-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width var(--transition-normal);
}

.btn-text:hover::after {
    width: 100%;
}

/* ======= Services Section ======= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-5);
    margin-top: var(--spacing-7);
    justify-content: center;
}

.service-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-card .icon {
    width: 80px;
    height: 80px;
    background-color: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    color: var(--primary);
    font-size: 2rem;
    transition: all var(--transition-normal);
}

.service-card:hover .icon {
    background-color: var(--primary);
    color: var(--white);
}

.service-card h3 {
    margin-bottom: var(--spacing-3);
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-4);
}

.service-stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: var(--spacing-8) auto;
    text-align: center;
    max-width: 900px;
    gap: var(--spacing-5);
}

.stat-item {
    padding: var(--spacing-4);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-2);
}

.stat-label {
    color: var(--gray-700);
    font-weight: 500;
}

/* ======= Projects Section ======= */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-5);
    margin-top: var(--spacing-6);
}

.project-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    background-color: var(--white);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.project-img {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.img-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    font-weight: 500;
}

.project-info {
    padding: var(--spacing-4);
}

.project-info h3 {
    margin-bottom: var(--spacing-2);
}

.project-info p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-3);
}

.view-all {
    text-align: center;
    margin-top: var(--spacing-6);
    margin-bottom: var(--spacing-4);
}

/* ======= About Section ======= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
    align-items: center;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.about-content h2 {
    text-align: left;
    margin-bottom: var(--spacing-4);
}

.about-content h2::after {
    left: 0;
    transform: none;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-4);
    margin-top: var(--spacing-6);
}

.stat {
    background-color: var(--white);
    padding: var(--spacing-4);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: var(--spacing-2);
}

/* ======= Contact Section ======= */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-6);
}

.contact-info {
    background-color: var(--secondary);
    color: var(--white);
    padding: var(--spacing-5);
    border-radius: var(--radius-lg);
}

.contact-info h3 {
    color: var(--white);
    margin-bottom: var(--spacing-4);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-4);
}

.contact-item i {
    margin-right: var(--spacing-3);
    color: var(--primary);
    font-size: 1.25rem;
}

.contact-form {
    background-color: var(--white);
    padding: var(--spacing-5);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-4);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    background-color: var(--gray-100);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* ======= Footer ======= */
footer {
    background-color: var(--secondary-dark);
    color: var(--gray-400);
    padding: var(--spacing-8) 0 var(--spacing-4);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-6);
    padding-bottom: var(--spacing-6);
}

.footer-about h3,
.footer-links h3,
.footer-services h3,
.footer-newsletter h3 {
    color: var(--white);
    margin-bottom: var(--spacing-4);
    font-size: 1.25rem;
}

.footer-about h3 span {
    color: var(--primary);
}

.footer-about p {
    margin-bottom: var(--spacing-4);
}

.social-links {
    display: flex;
    gap: var(--spacing-3);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: var(--spacing-2);
}

.footer-links a,
.footer-services a {
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--white);
    padding-left: var(--spacing-2);
}

.footer-newsletter p {
    margin-bottom: var(--spacing-3);
}

.footer-newsletter form {
    display: flex;
}

.footer-newsletter input {
    flex: 1;
    padding: var(--spacing-2) var(--spacing-3);
    border: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.footer-newsletter input:focus {
    outline: none;
}

.footer-newsletter button {
    background-color: var(--primary);
    color: var(--white);
    border: none;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.footer-newsletter button:hover {
    background-color: var(--primary-dark);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.made-by {
    font-size: 0.85rem;
    margin-top: var(--spacing-2);
    color: var(--gray-400);
}

.made-by a {
    color: var(--primary-light);
    transition: color var(--transition-fast);
}

.made-by a:hover {
    color: var(--white);
}

/* ======= Responsive Design ======= */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
        margin-bottom: var(--spacing-5);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: block;
    }
    
    nav ul {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: var(--white);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-4) 0;
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: 999;
    }
    
    nav ul.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    nav ul li {
        width: 100%;
        text-align: center;
    }
    
    nav a {
        display: block;
        padding: var(--spacing-3);
    }
    
    nav a::after {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .service-stats {
        flex-direction: column;
        gap: var(--spacing-4);
    }
}

@media (max-width: 576px) {
    .section {
        padding: var(--spacing-7) 0;
    }
    
    .hero {
        min-height: 500px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        margin-bottom: var(--spacing-5);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-newsletter form {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .footer-newsletter input,
    .footer-newsletter button {
        border-radius: var(--radius-md);
        width: 100%;
    }
}