/* 
 * RevSee - One Page Website for VC Investors
 * Main Stylesheet
 */

/* ===== Base Styles ===== */
:root {
    --primary-color: #1a5276;    /* Professional blue */
    --secondary-color: #2ecc71;  /* Tech green */
    --accent-color: #f39c12;     /* Gold/amber */
    --background-color: #f8f9fa; /* Light gray/white */
    --text-color: #333333;       /* Dark gray */
    --light-text: #ffffff;
    --dark-bg: #0a2942;
    --section-padding: 80px 0;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    position: relative;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1rem;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

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

.btn-primary {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 12px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
}

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

.btn-contact {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--light-text);
    padding: 8px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-contact:hover {
    background-color: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

.lead {
    font-size: 1.25rem;
    font-weight: 300;
    margin-bottom: 2rem;
}

.highlight {
    color: var(--primary-color);
    font-weight: 600;
}

.number {
    font-family: 'Roboto Mono', monospace;
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--primary-color);
    display: block;
}

ul {
    list-style-position: inside;
    margin-bottom: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

/* ===== Header & Navigation ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 15px;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* ===== Hero Section ===== */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary-color) 100%);
    color: var(--light-text);
    text-align: center;
    padding-top: 80px;
}

#hero h1 {
    font-size: 4.5rem;
    margin-bottom: 0.5rem;
}

#hero h2 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 2rem;
}

#hero h2:after {
    left: 50%;
    transform: translateX(-50%);
}

/* ===== Problem-Solution Section ===== */
#problem-solution {
    background-color: #fff;
}

.section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.problem, .solution {
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.problem {
    background-color: #f8f9fa;
}

.solution {
    background-color: #e8f4fd;
}

.commerce-waves {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.wave {
    flex: 1;
    text-align: center;
    padding: 20px;
    border-radius: 8px;
    margin: 0 10px;
    background-color: #f8f9fa;
    transition: var(--transition);
}

.wave.highlight {
    background-color: var(--secondary-color);
    color: var(--light-text);
    transform: scale(1.05);
}

/* ===== Market Opportunity Section ===== */
#market {
    background-color: #f8f9fa;
    text-align: center;
}

.metrics {
    display: flex;
    justify-content: space-around;
    margin: 60px 0;
}

.metric {
    flex: 1;
    padding: 20px;
    max-width: 300px;
}

.label {
    display: block;
    font-size: 1.1rem;
    margin-top: 10px;
}

.why-now {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
    padding: 30px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.why-now h3 {
    margin-bottom: 20px;
}

.why-now p.highlight {
    text-align: center;
    font-size: 1.5rem;
    margin-top: 20px;
}

/* ===== How It Works Section ===== */
#how-it-works {
    background-color: #fff;
    text-align: center;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
}

.step {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-10px);
}

.step-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

/* ===== Team Section ===== */
#team {
    background-color: #f8f9fa;
    text-align: center;
}

.team-members {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
}

.member {
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    padding: 30px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.member:hover {
    transform: translateY(-10px);
}

.member-photo {
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background-color: #ddd;
    background-size: cover;
    background-position: center;
}

/* Placeholder backgrounds for team photos */
#richard {
    background-color: var(--primary-color);
}

#farhan {
    background-color: var(--primary-color);
}

#john {
    background-color: var(--primary-color);
}

.title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

/* ===== Competitive Advantage Section ===== */
#advantage {
    background-color: #fff;
    text-align: center;
}

.advantages {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
}

.advantage-item {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.advantage-item:hover {
    transform: translateY(-10px);
}

.advantage-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.advantage-item.highlight {
    background-color: var(--accent-color);
    color: var(--light-text);
}

.advantage-item.highlight i {
    color: var(--light-text);
}

/* ===== Go-To-Market Section ===== */
#go-to-market {
    background-color: #f8f9fa;
    text-align: center;
}

.phases {
    display: flex;
    flex-direction: column;
    max-width: 800px;
    margin: 40px auto 0;
}

.phase {
    padding: 30px;
    margin-bottom: 30px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
}

.phase:not(:last-child):after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 20px;
    background-color: var(--primary-color);
}

.integrations {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
}

.integration {
    display: inline-block;
    padding: 5px 15px;
    background-color: #e8f4fd;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* ===== Investment Section ===== */
#investment {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-bg) 100%);
    color: var(--light-text);
    text-align: center;
}

#investment h2:after {
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
}

.ask {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

.ask h3 {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 30px;
}

.use-of-funds {
    text-align: left;
    margin-bottom: 30px;
}

.use-of-funds h4 {
    margin-bottom: 15px;
}

/* ===== Contact Section ===== */
#contact {
    background-color: #fff;
    text-align: center;
}

.contact-info {
    max-width: 500px;
    margin: 0 auto;
    padding: 40px;
    background-color: #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-info p {
    margin-bottom: 15px;
}

.name {
    font-size: 1.5rem;
    font-weight: 700;
}

.email, .phone {
    font-size: 1.2rem;
}

/* ===== Footer ===== */
footer {
    background-color: var(--dark-bg);
    color: var(--light-text);
    padding: 30px 0;
    text-align: center;
}

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

.back-to-top {
    color: var(--light-text);
    text-decoration: none;
    transition: var(--transition);
}

.back-to-top:hover {
    color: var(--accent-color);
}

/* ===== Responsive Design ===== */
@media (max-width: 992px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .section-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics {
        flex-direction: column;
        align-items: center;
    }
    
    .metric {
        margin-bottom: 30px;
    }
    
    .commerce-waves {
        flex-direction: column;
    }
    
    .wave {
        margin-bottom: 20px;
    }
    
    .wave.highlight {
        transform: none;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }
    
    nav {
        margin-top: 20px;
    }
    
    nav ul {
        flex-direction: column;
    }
    
    nav ul li {
        margin: 10px 0;
    }
    
    .menu-toggle {
        display: block;
        position: absolute;
        top: 20px;
        right: 20px;
    }
    
    nav {
        display: none;
    }
    
    nav.active {
        display: block;
    }
    
    #hero h1 {
        font-size: 3rem;
    }
    
    #hero h2 {
        font-size: 1.5rem;
    }
    
    .advantages {
        flex-direction: column;
        align-items: center;
    }
    
    .advantage-item {
        margin-bottom: 20px;
    }
    
    footer .container {
        flex-direction: column;
    }
    
    .back-to-top {
        margin-top: 20px;
    }
}

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1.1rem;
    }
    
    .number {
        font-size: 2rem;
    }
}