/* 
   Zentrix Media - Main Stylesheet
   Modern, premium dark theme with gold accents
   Created for AI-powered client acquisition agency
*/

/* ===== Variables ===== */
:root {
    /* Colors */
    --bg-primary: #0B0F19;
    --bg-secondary: #111827;
    --accent-gold: #C6A75E;
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --shadow-gold: rgba(198, 167, 94, 0.15);
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --section-spacing: 6rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1.5rem;
}

a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #d4b978;
}

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

ul, ol {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    position: relative;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn.primary {
    background-color: var(--accent-gold);
    color: var(--bg-primary);
    box-shadow: 0 4px 15px var(--shadow-gold);
}

.btn.primary:hover {
    background-color: #d4b978;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--shadow-gold);
}

.btn.secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--accent-gold);
}

.btn.secondary:hover {
    background-color: rgba(198, 167, 94, 0.1);
    transform: translateY(-3px);
}

/* ===== Header & Navigation ===== */
.sticky-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(11, 15, 25, 0.9);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(198, 167, 94, 0.1);
    transition: all 0.3s ease;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo span {
    color: var(--accent-gold);
}

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

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: width 0.3s ease;
}

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

nav ul li a:hover::after {
    width: 100%;
}

nav ul li a.cta-btn {
    background-color: var(--accent-gold);
    color: var(--bg-primary);
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
}

nav ul li a.cta-btn:hover {
    background-color: #d4b978;
    transform: translateY(-3px);
    box-shadow: 0 4px 15px var(--shadow-gold);
}

nav ul li a.cta-btn::after {
    display: none;
}

/* ===== Hero Section ===== */
.hero {
    padding: 12rem 0 8rem;
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 30%, rgba(198, 167, 94, 0.1), transparent 70%);
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

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

.hero-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 1rem;
    height: 400px;
}

.hero-images img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.hero-images img:hover {
    transform: scale(1.05);
}

/* ===== Problem Section ===== */
.problem {
    padding: var(--section-spacing) 0;
    background-color: var(--bg-secondary);
    text-align: center;
}

.problem .container {
    max-width: 800px;
}

.problem h2 {
    margin-bottom: 2rem;
}

.pain-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    list-style: none;
}

.pain-points li {
    background-color: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(198, 167, 94, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pain-points li:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px var(--shadow-gold);
    border-color: var(--accent-gold);
}

/* ===== Core Offer Section ===== */
.core-offer {
    padding: var(--section-spacing) 0;
    background-color: var(--bg-primary);
    text-align: center;
}

.core-offer .container {
    max-width: 1000px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(198, 167, 94, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px var(--shadow-gold);
    border-color: var(--accent-gold);
}

.step-number {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* ===== Services Section ===== */
.services {
    padding: var(--section-spacing) 0;
    background-color: var(--bg-secondary);
}

.services h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.service {
    margin-bottom: 5rem;
}

.service h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--accent-gold);
}

.service-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.service-images img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.service-images img:hover {
    transform: scale(1.05);
}

.service ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    list-style: none;
    margin-left: 0;
}

.service ul li {
    background-color: var(--bg-primary);
    padding: 1rem;
    border-radius: 4px;
    border-left: 3px solid var(--accent-gold);
}

/* ===== Results Section ===== */
.results {
    padding: var(--section-spacing) 0;
    background-color: var(--bg-primary);
    text-align: center;
}

.results .container {
    max-width: 800px;
}

.case-sim {
    background-color: var(--bg-secondary);
    padding: 3rem;
    border-radius: 8px;
    border: 1px solid rgba(198, 167, 94, 0.2);
    margin-top: 3rem;
    text-align: left;
}

.case-sim h3 {
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
}

/* ===== About Section ===== */
.about {
    padding: var(--section-spacing) 0;
    background-color: var(--bg-secondary);
    text-align: center;
}

.about .container {
    max-width: 800px;
}

.founder-images {
    margin-top: 2rem;
}

.founder-images img {
    max-width: 100%;
    border-radius: 8px;
}

/* ===== Lead Magnet Section ===== */
.lead-magnet {
    padding: var(--section-spacing) 0;
    background-color: var(--bg-primary);
    text-align: center;
}

.lead-magnet .container {
    max-width: 600px;
}

.lead-magnet form {
    display: flex;
    margin-top: 2rem;
}

.lead-magnet input {
    flex-grow: 1;
    padding: 1rem;
    border: none;
    border-radius: 4px 0 0 4px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(198, 167, 94, 0.3);
    border-right: none;
}

.lead-magnet button {
    border-radius: 0 4px 4px 0;
}

/* ===== FAQs Section ===== */
.faqs {
    padding: var(--section-spacing) 0;
    background-color: var(--bg-secondary);
}

.faqs .container {
    max-width: 800px;
}

.faqs h2 {
    text-align: center;
    margin-bottom: 3rem;
}

details {
    background-color: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid rgba(198, 167, 94, 0.2);
    transition: all 0.3s ease;
}

details:hover {
    border-color: var(--accent-gold);
}

summary {
    font-weight: 600;
    cursor: pointer;
    position: relative;
    padding-right: 2rem;
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    font-size: 1.5rem;
    color: var(--accent-gold);
    transition: transform 0.3s ease;
}

details[open] summary::after {
    transform: rotate(45deg);
}

details p {
    margin-top: 1rem;
    margin-bottom: 0;
}

/* ===== CTA Section ===== */
.cta {
    padding: var(--section-spacing) 0;
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(198, 167, 94, 0.1), transparent 70%);
}

.cta .container {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.cta h2 {
    margin-bottom: 1.5rem;
}

.cta p {
    margin-bottom: 2rem;
}

/* ===== Book Call Page ===== */
.book-call {
    padding: 10rem 0 6rem;
    background-color: var(--bg-primary);
}

.book-call-container {
    max-width: 900px;
}

.book-call h1 {
    text-align: center;
    margin-bottom: 3rem;
}

.qualification {
    margin-bottom: 4rem;
}

.qualification-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.qualification-box {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(198, 167, 94, 0.2);
}

.qualification-box h3 {
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.qualification-box ul, .qualification-box ol {
    margin-top: 1rem;
}

.scarcity-note {
    background-color: rgba(198, 167, 94, 0.1);
    border-left: 4px solid var(--accent-gold);
    padding: 1.5rem;
    margin-top: 2rem;
    border-radius: 0 8px 8px 0;
}

.application-form {
    background-color: var(--bg-secondary);
    padding: 3rem;
    border-radius: 8px;
    border: 1px solid rgba(198, 167, 94, 0.2);
    margin-bottom: 4rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(198, 167, 94, 0.3);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-body);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.form-group input:focus-visible,
.form-group textarea:focus-visible,
.form-group select:focus-visible,
.btn:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: #f87171;
}

.form-status {
    margin-top: 1rem;
    font-size: 0.95rem;
}

.form-status.success {
    color: #34d399;
}

.form-status.error {
    color: #fca5a5;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.form-submit {
    margin-top: 2rem;
    text-align: center;
}

/* ===== Footer ===== */
footer {
    background-color: var(--bg-secondary);
    padding: 5rem 0 2rem;
    border-top: 1px solid rgba(198, 167, 94, 0.1);
}

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

.footer-brand p {
    margin-top: 1rem;
    color: var(--text-secondary);
}

.footer-links h4 {
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
    margin: 0;
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links ul li a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(198, 167, 94, 0.1);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.legal-links a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

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

/* ===== Floating WhatsApp Button ===== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    text-align: center;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    z-index: 100;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

/* ===== Animations ===== */
.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* ===== Responsive Styles ===== */
@media (max-width: 1200px) {
    :root {
        --container-width: 90%;
    }
}

@media (max-width: 992px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .sticky-nav {
        padding: 1rem 0;
    }
    
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .hero-images {
        height: auto;
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 200px);
    }
    
    .qualification-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1.5rem;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
    }
    
    .hero-ctas {
        flex-direction: column;
        gap: 1rem;
    }
    
    .lead-magnet form {
        flex-direction: column;
    }
    
    .lead-magnet input {
        border-radius: 4px;
        border-right: 1px solid rgba(198, 167, 94, 0.3);
        margin-bottom: 1rem;
    }
    
    .lead-magnet button {
        border-radius: 4px;
    }
    
    .application-form {
        padding: 1.5rem;
    }
}