/* ===================================
   SYNAPS' AI - Landing Page Styles
   Élégance artisanale et minimalisme premium
   =================================== */

/* === Variables & Reset === */
:root {
    /* Couleurs du branding */
    --color-cream: #E8E4DC;
    --color-cream-dark: #D5D0C6;
    --color-black: #1A1A1A;
    --color-white: #FFFFFF;
    --color-accent: #2C2C2C;
    --color-gray: #666666;
    --color-light-gray: #F5F3EF;
    
    /* Typographie */
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Montserrat', sans-serif;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-cream);
    overflow-x: hidden;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

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

ul {
    list-style: none;
}

/* === Container & Layout === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

/* === Wave Decoration === */
.wave-decoration {
    position: absolute;
    left: 0;
    right: 0;
    height: 100px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 100'%3E%3Cpath d='M0,50 Q300,20 600,50 T1200,50 L1200,100 L0,100 Z' fill='%23FFFFFF'/%3E%3C/svg%3E");
    background-size: cover;
    background-repeat: no-repeat;
    z-index: 1;
}

.wave-decoration.wave-top {
    top: 0;
    transform: rotate(180deg);
}

.wave-decoration.wave-bottom {
    bottom: 0;
}

/* === Buttons === */
.btn-primary, .btn-nav {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--color-black);
    color: var(--color-white);
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 1rem;
    border: 2px solid var(--color-black);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary:hover, .btn-nav:hover {
    background-color: transparent;
    color: var(--color-black);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.btn-nav {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
}

/* === Navigation === */
.navbar {
    background-color: var(--color-white);
    padding: var(--spacing-md) 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.nav-brand .logo {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0;
}

.logo-ai {
    font-weight: 400;
    font-style: italic;
}

.tagline {
    font-size: 0.75rem;
    font-weight: 300;
    color: var(--color-gray);
    margin-top: -0.5rem;
    margin-bottom: 0;
}

/* === Hero Section === */
.hero {
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-cream-dark) 100%);
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-black);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-gray);
    max-width: 150px;
    text-align: center;
}

/* === Section Titles === */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-gray);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl) auto;
}

/* === Pain Points Section === */
.pain-points {
    background-color: var(--color-white);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.pain-card {
    background-color: var(--color-light-gray);
    padding: var(--spacing-md);
    border-radius: 8px;
    transition: var(--transition);
}

.pain-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.pain-icon {
    width: 58px;
    height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    border-radius: 50%;
    background-color: var(--color-black);
    color: var(--color-white);
    box-shadow:
        0 0 4px rgba(255, 255, 255, 0.45),
        0 0 10px rgba(255, 255, 255, 0.25);
    transition: var(--transition);
}

.pain-icon svg {
    width: 28px;
    height: 28px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: var(--transition);
}

.pain-card:hover .pain-icon,
.pain-icon:hover {
    box-shadow:
        0 0 6px rgba(255, 255, 255, 0.7),
        0 0 16px rgba(255, 255, 255, 0.45),
        0 0 26px rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.pain-card:hover .pain-icon svg,
.pain-icon:hover svg {
    filter:
        drop-shadow(0 0 2px rgba(255, 255, 255, 0.85))
        drop-shadow(0 0 6px rgba(255, 255, 255, 0.65))
        drop-shadow(0 0 12px rgba(255, 255, 255, 0.45));
}

.pain-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.pain-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-gray);
}

/* === Solution Section === */
.solution {
    background-color: var(--color-cream);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.solution-main h3,
.solution-automation h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

.solution-description {
    font-size: 1.05rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.solution-features {
    list-style: none;
}

.solution-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: var(--color-white);
    border-radius: 8px;
}

.feature-icon {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 50%;
    background-color: var(--color-black);
    color: var(--color-white);
    box-shadow:
        0 0 4px rgba(255, 255, 255, 0.4),
        0 0 8px rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.feature-icon svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: var(--transition);
}

.solution-features li:hover .feature-icon,
.feature-icon:hover {
    box-shadow:
        0 0 6px rgba(255, 255, 255, 0.65),
        0 0 14px rgba(255, 255, 255, 0.4),
        0 0 22px rgba(255, 255, 255, 0.25);
    transform: scale(1.06);
}

.solution-features li:hover .feature-icon svg,
.feature-icon:hover svg {
    filter:
        drop-shadow(0 0 2px rgba(255, 255, 255, 0.85))
        drop-shadow(0 0 6px rgba(255, 255, 255, 0.65))
        drop-shadow(0 0 12px rgba(255, 255, 255, 0.45));
}

.solution-features strong {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-black);
}

.solution-features p {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin: 0;
}

.solution-automation {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.solution-automation h3 {
    color: var(--color-white);
}

.solution-automation .solution-description {
    color: var(--color-cream);
}

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

.automation-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-cream);
    font-size: 0.95rem;
}

.automation-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-white);
    font-weight: bold;
}

/* === Benefits Section === */
.benefits {
    background-color: var(--color-white);
    position: relative;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.benefit-card {
    background-color: var(--color-light-gray);
    padding: var(--spacing-md);
    border-radius: 8px;
    transition: var(--transition);
}

.benefit-card:hover {
    background-color: var(--color-black);
    color: var(--color-white);
    transform: scale(1.05);
}

.benefit-card:hover h3,
.benefit-card:hover p {
    color: var(--color-white);
}

.benefit-card:hover h3 {
    text-shadow:
        0 0 5px #ffffff,
        0 0 10px #ffffff,
        0 0 20px #ffffff;
}

.benefit-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    opacity: 0.2;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    font-size: 0.95rem;
}

/* === How It Works === */
.how-it-works {
    background-color: var(--color-cream);
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-top: var(--spacing-xl);
    position: relative;
}

.step {
    flex: 1;
    text-align: center;
    max-width: 250px;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--color-black);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md) auto;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.step p {
    font-size: 0.9rem;
    color: var(--color-gray);
}

.step-connector {
    flex: 0.5;
    height: 2px;
    background: linear-gradient(to right, var(--color-black), transparent);
    margin-top: 40px;
    opacity: 0.3;
}

/* === Why NoCode === */
.why-nocode {
    background-color: var(--color-white);
}

.nocode-comparison {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    align-items: stretch;
}

.comparison-column {
    flex: 1;
    padding: var(--spacing-lg);
    border-radius: 8px;
}

.old-way {
    background-color: var(--color-light-gray);
}

.new-way {
    background-color: var(--color-black);
    color: var(--color-white);
}

.new-way h3 {
    color: var(--color-white);
}

.comparison-column h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

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

.comparison-column ul li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
    position: relative;
    font-size: 0.95rem;
}

.old-way ul li::before {
    content: "✗";
    position: absolute;
    left: 0;
    color: var(--color-gray);
}

.new-way ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-white);
    font-weight: bold;
}

.new-way ul li {
    color: var(--color-cream);
}

.comparison-divider {
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--color-black), transparent);
    opacity: 0.2;
}

/* === Testimonials === */
.testimonials {
    background-color: var(--color-cream);
}

.testimonials-placeholder {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: 8px;
    font-size: 1.2rem;
    color: var(--color-gray);
}

/* === CTA Section === */
.cta-section {
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    position: relative;
}

.cta-section .wave-decoration path {
    fill: var(--color-black);
}

.cta-title {
    text-align: center;
    font-size: 3rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--color-cream);
    margin-bottom: var(--spacing-xl);
}

.cta-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.cta-info h3 {
    color: var(--color-white);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.audit-includes {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.audit-includes li {
    padding: var(--spacing-sm) 0;
    font-size: 1rem;
    color: var(--color-cream);
}

.contact-methods {
    margin-top: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-item a {
    color: var(--color-white);
    font-weight: 500;
    font-size: 1.1rem;
}

.contact-item a:hover {
    color: var(--color-cream);
}

/* === Contact Form === */
.cta-form-container {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
}

.contact-form h3 {
    color: var(--color-black);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--color-cream);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: var(--transition);
}

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

.contact-form .btn-primary {
    width: 100%;
    margin-top: var(--spacing-sm);
}

.form-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-top: var(--spacing-sm);
}

/* === Footer === */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.footer-brand .tagline {
    color: var(--color-cream);
}

.footer-signature {
    font-style: italic;
    color: var(--color-gray);
    margin-top: var(--spacing-sm);
}

.footer h4 {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.footer a {
    color: var(--color-cream);
}

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

.footer-links ul li {
    margin-bottom: var(--spacing-xs);
    color: var(--color-cream);
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: var(--color-gray);
    font-size: 0.85rem;
}

/* === Animations === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* === Responsive Design === */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .solution-content {
        grid-template-columns: 1fr;
    }
    
    .cta-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .pain-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        flex-direction: column;
        align-items: center;
    }
    
    .step {
        max-width: 100%;
        margin-bottom: var(--spacing-lg);
    }
    
    .step-connector {
        display: none;
    }
    
    .nocode-comparison {
        flex-direction: column;
    }
    
    .comparison-divider {
        display: none;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .navbar .container {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn-primary {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .pain-card,
    .benefit-card {
        padding: var(--spacing-sm);
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    h3 {
        font-size: 1.4rem;
    }
}

/* =========================
   Neon text effect
   ========================= */

.neon-text {
color: #ffffff;
text-shadow:
0 0 5px #ffffff,
0 0 10px #ffffff,
0 0 20px #ffffff;
}