/* ============================================
   ANGELSOS - STYLES CSS
   Design : Moderne, Or & Noir, Responsive
   ============================================ */

/* VARIABLES */
:root {
    --gold: #D4AF37;
    --black: #000000;
    --dark-bg: #0a0a0a;
    --card-bg: #111111;
    --ia-blue: #00E5FF;
    --red: #E74C3C;
    --orange: #FF9800;
    --green: #2ECC71;
    --text-light: #ffffff;
    --text-gray: #888888;
    --shadow: 0 10px 40px rgba(212, 175, 55, 0.1);
}

/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--black);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

section {
    padding: 80px 0;
}

/* TYPOGRAPHY */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 15px;
    color: var(--gold);
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 50px;
    font-size: 1.1rem;
}

/* NAVIGATION */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo .icon {
    font-size: 2rem;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gold);
    transition: 0.3s;
}

/* HERO SECTION */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation: pulse 4s ease-in-out infinite;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.highlight {
    color: var(--gold);
    position: relative;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-badges {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.badge {
    padding: 8px 16px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--gold);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #c49b2c;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

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

.btn-secondary:hover {
    background: var(--gold);
    color: var(--black);
}

.version-info {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* PHONE MOCKUP */
.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #1a1a1a, #0f0f0f);
    border-radius: 40px;
    padding: 15px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5),
                0 0 100px rgba(212, 175, 55, 0.2);
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--black);
    border-radius: 30px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.status-bar {
    height: 30px;
    background: rgba(212, 175, 55, 0.1);
}

.app-preview {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.shield-icon {
    font-size: 100px;
    filter: drop-shadow(0 0 30px var(--gold));
    animation: glow 2s ease-in-out infinite;
}

.pulse-ring {
    position: absolute;
    width: 200px;
    height: 200px;
    border: 2px solid var(--gold);
    border-radius: 50%;
    animation: pulse-ring 2s ease-out infinite;
}

/* FEATURES SECTION */
.features {
    background: var(--dark-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 35px;
    border-radius: 15px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold);
    box-shadow: var(--shadow);
}

.highlight-card {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.05) 0%, rgba(212, 175, 55, 0.05) 100%);
    border: 2px solid var(--ia-blue);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    color: var(--gold);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.feature-card p {
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 8px 0;
    color: var(--text-light);
    font-size: 0.95rem;
}

/* VISION SECTION */
.vision-section {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
}

.vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.vision-intro {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 40px;
}

.vision-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.vision-item {
    display: flex;
    gap: 20px;
    align-items: start;
}

.vision-icon {
    font-size: 2.5rem;
    padding: 15px;
    border-radius: 12px;
    min-width: 70px;
    text-align: center;
}

.vision-icon.red {
    background: rgba(231, 76, 60, 0.1);
}

.vision-icon.orange {
    background: rgba(255, 152, 0, 0.1);
}

.vision-icon.urgent {
    background: rgba(231, 76, 60, 0.2);
    border: 2px solid var(--red);
}

.vision-icon.blue {
    background: rgba(0, 229, 255, 0.1);
}

.vision-item h4 {
    color: var(--gold);
    margin-bottom: 5px;
}

.vision-item p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.vision-info {
    background: rgba(0, 229, 255, 0.05);
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid var(--ia-blue);
}

.vision-info p {
    color: var(--text-light);
    line-height: 1.8;
}

/* DEMO CARD */
.demo-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(212, 175, 55, 0.3);
    box-shadow: var(--shadow);
}

.demo-header {
    background: rgba(212, 175, 55, 0.1);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.demo-icon {
    font-size: 1.8rem;
}

.demo-title {
    color: var(--gold);
    font-weight: 600;
    font-size: 1.1rem;
}

.demo-body {
    padding: 30px;
}

.demo-question {
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin-bottom: 20px;
}

.demo-response {
    padding: 20px;
    background: rgba(0, 229, 255, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--ia-blue);
}

.demo-response em {
    color: var(--text-light);
    font-style: normal;
    line-height: 1.7;
}

/* DOWNLOAD SECTION */
.download-section {
    background: var(--dark-bg);
}

.download-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 50px;
    border: 2px solid var(--gold);
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.download-info h3 {
    color: var(--gold);
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.download-size {
    color: var(--text-gray);
    margin-bottom: 30px;
}

.download-features {
    background: rgba(0, 229, 255, 0.05);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.download-features h4 {
    color: var(--ia-blue);
    margin-bottom: 15px;
}

.download-features ul {
    list-style: none;
}

.download-features li {
    padding: 8px 0;
    color: var(--text-light);
}

.btn-download {
    background: var(--gold);
    color: var(--black);
    font-size: 1.2rem;
    padding: 18px 40px;
    margin-bottom: 20px;
}

.btn-download:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.4);
}

.download-note {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.qr-placeholder {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    border: 2px dashed var(--gold);
}

.qr-icon {
    font-size: 4rem;
    margin-bottom: 10px;
}

.qr-placeholder p {
    text-align: center;
    color: var(--text-gray);
    line-height: 1.5;
}

/* REQUIREMENTS */
.requirements {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
}

.requirements h4 {
    color: var(--gold);
    margin-bottom: 20px;
    text-align: center;
}

.req-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.req-item {
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    text-align: center;
}

/* CONTACT SECTION */
.contact-section {
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.contact-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all 0.3s;
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.contact-card h3 {
    color: var(--gold);
    margin-bottom: 10px;
}

.contact-card p {
    color: var(--text-light);
    margin-bottom: 5px;
}

.contact-note {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.about-section {
    background: rgba(212, 175, 55, 0.05);
    padding: 40px;
    border-radius: 15px;
    border-left: 4px solid var(--gold);
}

.about-section h3 {
    color: var(--gold);
    margin-bottom: 20px;
}

.about-section p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 15px;
}

/* FOOTER */
.footer {
    background: var(--black);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-gray);
    margin-top: 10px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
}

.footer-column h4 {
    color: var(--gold);
    margin-bottom: 15px;
}

.footer-column ul {
    list-style: none;
}

.footer-column a {
    color: var(--text-gray);
    text-decoration: none;
    display: block;
    padding: 5px 0;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--gold);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.footer-bottom p {
    color: var(--text-gray);
    margin: 5px 0;
    font-size: 0.9rem;
}

.footer-tech {
    font-size: 0.8rem;
}

/* ANIMATIONS */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes glow {
    0%, 100% { filter: drop-shadow(0 0 20px var(--gold)); }
    50% { filter: drop-shadow(0 0 40px var(--gold)); }
}

/* RESPONSIVE */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image {
        display: flex;
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .vision-content {
        grid-template-columns: 1fr;
    }
    
    .download-card {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        justify-items: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.98);
        padding: 20px;
        gap: 15px;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .phone-mockup {
        transform: scale(0.8);
    }
}